CN1193135C - Pulp forming demoulding machine - Google Patents

Abstract

The invention relates to a paper pulp forming and demolding machine, which is characterized in that a turnover table capable of being turned over in a reciprocating manner is pivoted at a preset position in a rack body, a net mold is erected on the turnover table, and a lower mold of a heating pipe is arranged in the other side of the turnover table of the rack body of a forming part, wherein one side of the net mold is provided with a bulge; the top side of the frame body is provided with a sliding frame capable of moving transversely in a reciprocating way and an upper die lifting device with an empty oil pressure conversion cylinder so as to drive an upper die with a heating pipe to lift, and the frame body is provided with a liftable paper pulp raw material box below the net die; the paper pulp forming part is made to suck paper pulp fiber from the lower side of the net mold, turn over to the upper side of the net mold, dewater slightly, adsorb upwards, demold, shift the carriage to set the formed paper pulp on the lower mold with heating pipe inside and pressurize forcibly in oil pressure mode with the oil pressure converting cylinder inside the upper mold lifter to densify the fiber inside the paper pulp forming body and exhaust water further, and during heating, the paper pulp forming body is dried fast.

Description

Pulp forming demoulding machine

technical field

The present invention relates to an improved device for a pulp demoulding machine, in particular to a lower die set beside a reversible mesh die, and an upper die that can move up and down and laterally with a built-in air oil pressure conversion cylinder. , press together with the mesh mold and the lower mold respectively so that the pulp can be formed, demoulded, pressed and drained, and the heating device is preset in the upper and lower molds, which can be properly heated during the pressing process to achieve rapid drying , Forming automated production equipment.

Background technique

Due to environmental protection issues, modern people have become increasingly cautious about the use of materials that are not easy to decompose, such as plastics and foams, and are replaced by materials that are easily decomposed, such as wood and paper. Therefore, sponges or Foams are gradually replaced by pulp-molded protective bodies.

The structure of a common pulp forming machine for making a paper protection body is shown in Figure 1. A pivotable pulp suction mold 73 is preset in the frame 7, and the upper surface of the pulp suction mold 73 is convexly provided with a plurality of Forming section 731, and a pulp storage cylinder 71 that can be lifted up and down is provided below the slurry suction mold 73. Pulp raw materials are stored in the pulp storage cylinder 71, and a vertical cylinder driven by the upper mold driving device 721 is provided above the upper mold 72. Lifting upper mold 72, the bottom side of upper mold 72 is provided with a plurality of protruding forming parts 722, and the surface of forming part 722 is provided with a plurality of air holes, which can generate suction or thrust by the entry and exit of air. 73 side is provided with a conveyer belt 74 and extends outwards in addition; Its overall action is as follows: make the forming part 731 of slurry suction mold 73 downwards, pulp storage cylinder 71 rises and make the pulp raw material in it fill in forming part 731 peripheral side, as The surface side of the molding part 731 absorbs an appropriate amount of pulp, the pulp storage cylinder 71 descends and the slurry suction mold 73 reverses, and then the upper mold driving device 721 drives the upper mold 72 to descend, so that the molding part 722 is pressed on the molding part 731, and the molding part 731 The pulp on the surface is pressed and molded, the molding part 722 sucks up the molded pulp, the upper die 72 moves up and traverses to the top of the conveyor belt 74, and finally the molded pulp is placed on the conveyor belt 74, and can be transported to the next step along with the conveyor belt 74. Process (such as: baking, air drying, etc.) processing.

Although the above-mentioned structure can achieve the basic purpose of automatic processing, the formed products of the pulp are baked or air-dried after the preliminary forming, so the fibers of the products are not dense (the strength is not good), and the moisture content is directly measured. It takes a long time to dry the high-quality shaped pulp, so on the whole, its production efficiency is poor and it is difficult to meet economic benefits.

In view of the disadvantages mentioned above in the structure of the common pulp forming demoulding machine, the inventor designs the present invention by improving these disadvantages.

Contents of the invention

The present invention aims to provide a pulp forming demoulding machine, which pivotally installs a reciprocating and reversible net mold in the frame body, a protruding forming part is provided on one surface side of the net mold, and a There is a sliding frame that can reciprocate and move horizontally, and an upper mold lifting device is provided on the sliding frame to drive and lift an upper mold with a heating pipe inside. The forming part of the mesh mold absorbs the pulp on the lower side and then flips to the upper side. The upper mold is lightly pressed and dehydrated and then adsorbed upwards, so that the pulp molded body is lifted and demoulded, and the pulp molded body is placed in another inner space by moving the carriage horizontally. On the lower mold with heating pipes, use the preset empty oil pressure conversion cylinder in the upper mold lifting device to pressurize with oil pressure, so that the fibers in the pulp forming body are denser and the water is further discharged, during which the heating pipes are used Heating can make the pulp molded body achieve the effect of rapid drying, which is the main purpose of the present invention.

Pulp forming demoulding machine of the present invention, it is provided with a plurality of lower molds on the side of net mold, then is provided with the same number of upper molds that can slide synchronously with upper mold above each lower mold, utilize upper mold and upper mold The characteristics of synchronous sliding of the molds can make the above-mentioned pulp molded body move continuously and be repeatedly pressed by the upper pressing molds to achieve a better dehydration effect, which is another purpose of the present invention.

In the paper pulp forming demoulding machine of the present invention, after the net mold is installed on one side of the overturning table of the frame body, if the lower mold of the heating tube is arranged in the other surface side device one; After the upper mold is preliminarily squeezed to discharge the water in the pulp fiber, the turning table is turned over to the position corresponding to the upper mold of the lower mold with a heating tube on the other side, so that the upper and lower molds are heated and pressed to form the aforementioned pulp. After the body is pressed, it can achieve a better dehydration effect and reduce the need to install multiple lower mold structures on the side of the mesh mold, reduce equipment costs and speed up drying. This is another purpose of the present invention.

As for the detailed structure of the present invention, application principle, function and effect, then can obtain complete understanding with reference to the explanation that is done according to accompanying drawing:

Description of drawings

Figure 1 is an explanatory diagram of the structure of a common pulp forming demoulding machine;

Fig. 2 is the overall combined structure diagram of the first embodiment of the present invention;

Fig. 3 is a partial structural schematic view of the first embodiment of the present invention;

Fig. 4 is the schematic diagram of the exploded structure of net mold of the present invention;

Fig. 5 is a schematic diagram of the exploded structure of the upper mold of the present invention;

Fig. 6 is the sectional schematic diagram when upper mold of the present invention, mesh mold clamping;

Fig. 7 is the sectional schematic diagram when patrix of the present invention, mesh mold parting;

Figure 8 is a sectional view of the separation of the upper mold and the lower mold of the present invention;

Fig. 9 is a sectional view of the pressing of the upper mold and the lower mold of the present invention;

Fig. 10 is a schematic view (1) of the action of the first embodiment of the present invention;

Fig. 11 is a schematic diagram (2) of the action of the first embodiment of the present invention;

Fig. 12 is a schematic view (3) of the action of the first embodiment of the present invention;

Fig. 13 is a schematic view (four) of the action of the first embodiment of the present invention;

Fig. 14 is a schematic diagram (5) of the action of the first embodiment of the present invention;

Fig. 15 is a schematic diagram of implementation actions of the second embodiment of the present invention;

Fig. 16 is a schematic diagram of the net mold structure of the third embodiment of the present invention;

Fig. 17 is a schematic view (1) of the action of the third embodiment of the present invention;

Fig. 18 is a schematic diagram (2) of the action of the third embodiment of the present invention;

Fig. 19 is a schematic diagram (3) of the action of the third embodiment of the present invention;

Fig. 20 is a schematic view (four) of the action of the third embodiment of the present invention;

Fig. 21 is a schematic structural view of a fourth embodiment of the present invention;

Fig. 22 is a schematic view (1) of the action of the fourth embodiment of the present invention;

Fig. 23 is a schematic diagram (2) of the action of the fourth embodiment of the present invention;

Fig. 24 is a schematic diagram (3) of the action of the fourth embodiment of the present invention;

Fig. 25 is a schematic view (four) of the action of the fourth embodiment of the present invention;

Fig. 26 is a schematic view (5) of the action of the fourth embodiment of the present invention;

Fig. 27 is a schematic view (6) of the action of the fourth embodiment of the present invention;

Fig. 28 is a schematic diagram (7) of the action of the fourth embodiment of the present invention;

Fig. 29 is a schematic view (eight) of the action of the fourth embodiment of the present invention;

Detailed ways

Please refer to Fig. 1, which is a common structure of a pulp forming demoulding machine, its composition and its disadvantages have been described above, and will not be repeated here.

Fig. 2, Fig. 3 are the overall combined structure diagram and partial structural diagram of the first embodiment of the present invention, can clearly find out from these two figures, the present invention comprises as a whole: frame body 1, net mold 2, pulp raw material Box 3, upper mold 4 and lower mold 5; wherein the top side of the frame body 1 is provided with two guide rails 11 extending in parallel, and the sides of the ends of the two guide rails 11 are respectively provided with a buffer 111 and a baffle plate 112, and the frame body 1 Two sides of the middle section of the middle section are provided with two bearing blocks 12 corresponding to the same width as the guide rail 11, and a ventilation pipe 13 is arranged in the center of the bearing blocks 12 to communicate with the outside, and the surface side of the turning table 20 is fixedly provided with a net mold 2, and the middle section of the turning table 20 A tube shaft 21 is arranged horizontally outward on both sides to pass through the preset bearing in the aforementioned bearing seat 12, and connects with the aforementioned ventilation pipe 13, so that the turning table 20 with the fixed net mold 2 forms a vertical axis with the tube shaft 21 as the fulcrum. In a pivotable joint state, and the end of the pipe shaft 21 is provided with a gear 24, and the side of the bearing seat 12 is provided with a pivoting drive device 25 to drive the rack 251 to mesh with the gear 24; the pulp raw material box 3 is arranged on the aforementioned Below the net mold 2, the two sides of the pulp raw material box 3 are driven by the two raw material box lifting devices 31 to lift and slide up and down; the upper mold 4 is arranged above the net mold 2, and the upper mold lifting device 45 is connected and positioned on the On the slide frame 44 , the upper mold lifting device 45 includes an air-oil pressure conversion cylinder 451 and a pneumatic cylinder 452 . The carriage 44 straddles the aforementioned two guide rails 11 and is driven by an upper mold traverse device so that the carriage 44 can slide laterally on the guide rails 11, and the upper mold lifting device 45 drives the upper mold 4 to go up, The lower reciprocating lift moves, and the lower mold 5 is arranged on the same height position beside the net mold 2.

Fig. 4 is the schematic diagram of the disassembled structure of net mold of the present invention, as can be seen from this illustration: the middle section of net mold 2 is horizontally provided with inclined partition 22, and the two sides of net mold 2 extend outwards with pipe shaft 21 respectively, and pipe shaft 21 then The air hole 211 communicates with the space above the inclined partition 22, and the upper side of the net mold 2 is provided with a net mold base plate 26, and the net mold base plate 26 is provided with a plurality of forming parts 23, and each forming part 23 is provided with A plurality of air holes 231, through which the space above the inclined partition 22 can communicate with the outside.

Fig. 5 is the disassembled structure schematic diagram of patrix of the present invention, can know by this illustration: the bottom side of patrix 4 is provided with the patrix seat plate 46 of a plurality of air vents 461 evenly distributed, protrudingly sets on this patrix seat plate 46 There are a plurality of molding parts 41, and the bottom side of the molding part 41 is provided with a molding space 411 corresponding to the molding part 23 of the mesh mold 2. A plurality of air holes 412 are arranged in the molding space 411, and the upper mold is connected to the upper mold through the exhaust hole 461. 4 is communicated with the air pipe 43 (referring to Fig. 6), and the air pipe 43 communicates with the outside, by the air suction and blowing action of the air pipe 43, the extruded pulp molded body 32 can be effectively sucked up, and A heating pipe 42 is further provided in the forming part 41 .

Fig. 6 and Fig. 7 are schematic cross-sectional views of the upper mold and the net mold of the present invention when they are combined and parted. The steam heated by the pulp forming body 32 in 411 is sucked by the ventilation pipe 43, sucked through the exhaust hole 461 and the air hole 412, and is sucked in cooperation with the pipe shaft 21, and then discharged through the air hole 211, and when the pulp formed body 32 passes through After proper drying, the pipe shaft 21 stops pumping air, and the pulp formed body 32 is absorbed in the forming space 411 of the forming part 41 by the suction force of the exhaust hole 461, and slides to other positions synchronously with the upper mold 4.

Fig. 8 and Fig. 9 are sectional views of separation and pressing of the upper mold and the lower mold of the present invention, as shown in the two figures: the lower mold 5 is connected with a plurality of molding parts 51 by the lower mold seat plate 53, and the parts of each molding part 51 There are a plurality of air holes 511 on the surface side, each air hole 511 is connected to the inner space of the lower mold 5, and is connected to the air extraction equipment through a vent pipe 54, and a heating pipe 52 is provided in the forming part 51; when the forming part 41 sucks the pulp When the molded body 32 is positioned above the molding portion 51 of the lower mold 5, it stops, and the upper mold 4 descends so that the pulp molded body 32 in the molding space 411 can be fitted on the molding portion 51. At this time, the heating tube 52 in the molding portion 51 Cooperate with the heating pipe 42 in the forming part 41 to synchronously heat the pulp molding body 32 to further dry it, and the ventilation pipe 54 can cooperate with the ventilation pipe 43 to exhaust the air at the same time, so that the steam generated by the heating of the pulp molding body 32 can be discharged.

Fig. 10-Fig. 14 are schematic diagrams of various actions of the first embodiment of the present invention. Fig. 10 is the initial state of the present invention. At the beginning, the pivoting drive device 25 acts to drive the net mold 2 to pivot via the rack 251 and the gear 24. , making the forming part 23 downward, at this moment, the raw material box lifting device 31 moves, promotes the pulp raw material box 3 to rise, just can make the pulp raw material in the pulp raw material box 3 cover on the forming part 23 peripheral sides, then the vent pipe 13 pumps air , so that a vacuum state is formed in the net mold 2, and the suction effect of the air hole 231 can make the pulp raw material evenly distributed and adsorbed on the side of the forming part 23 (as shown in Figure 11), then the pulp raw material box 3 descends, and the pivoting drive device 25 Reverse action makes the net mold 2 reverse, the forming part 23 is upward, the upper mold lifting device 45 moves to lower the upper mold 4, and the forming space 411 of the forming part 41 fits the forming part 23 of the net mold 2, which can be adsorbed on the forming part. The pulp raw material on the surface of part 23 is lightly pressed into pulp molding body 32 (as shown in Figure 12), and the heating tube 42 in the upper mold 4 is preheated at this moment, accelerates the molding of pulp molding body 32 with increasing temperature, and when pulp After the forming body 32 is initially consolidated and formed, the upper mold elevating device 45 moves in reverse to raise the upper mold 4, and the forming part 41 of the upper mold 4 is separated from the forming part 23 of the net mold 2 for demoulding, and the ventilation pipe 43 pumps air at the same time to make the pulp The molded body 32 is adsorbed in the molding space 411 of the molding part 41 (as shown in FIG. 7 ), and the upper mold traversing device moves to make the upper mold 4 slide. Located above the lower mold 5, the upper mold elevating device 45 moves again to lower the upper mold 4. When the air pressure conversion cylinder 451 cooperates with the pneumatic cylinder 452 to drive the molding space 411 of the molding part 41 to press and fit the fixed mold base 5 After forming part 51 (as shown in Figure 13), it is converted into hydraulic drive by empty oil pressure conversion cylinder 451, to increase the pressure of upper die 4 being pressed on fixed molding die base 5, so that pulp forming body 32 The fiber inside is denser, and then the molding part 41 of the upper mold 4 sucks up the pulp molded body 32 again, and the upper mold traverse device moves, and at this time, the baffle plate 112 is in a flat state, so that the upper mold 4 slides to the touch buffer 113, at this time, the upper mold 4 is positioned above the conveyor belt 14, so that the ventilation pipe 43 stops pumping air, and the pulp molded body 32 falls on the conveyor belt 14, and is transported to the next process by the conveyor belt 14 (as shown in Figure 14 ) ).

Figure 15 is a schematic diagram of the implementation of the second embodiment of the present invention, which can be adjusted so that the baffle plate 112 is fixed in a horizontal state. At this time, the upper mold 4 of the aforementioned steps in Figure 12 is completed, and the pulp molded body 32 can be directly transported to the conveyor belt 14 above, and make the pulp molded body 32 fall on the conveyor belt 14, so that the pulp molded body 32 can slide to the preset oven 15 for drying via the conveyor belt 14.

Fig. 16 is a schematic diagram of the structure of the net mold according to the third embodiment of the present invention. Referring to the schematic diagrams of the various actions in Fig. The forming portion 51 of lower die 5 has the same structure as the forming portion 27, and a heating pipe 271 is also provided in the forming portion 27. When the forming portion 23 of the net mold 2 absorbs the pulp in the pulp raw material box 3, it turns upwards (as shown in Figure 17 As shown), the upper die 4 presses down to make the paper pulp preliminarily formed between the forming parts 41 and 23 (as shown in Figure 18), then the forming part 41 sucks up the pulp forming body 32, and the net mold 2 turns over to make the forming part 27 Upward, at this time the forming part 23 is downward, and the upper mold 4 is pressed down again, so that the forming part 41 is pressed on the forming part 27, and the preheating of the heating pipes 42 and 271 can be used to make the pulp forming body 32 in it quickly dry and form (As shown in Figure 19), then, molding part 41 sucks up this pulp molded body 32 again, upper mold 4 slides to the top of lower mold 5, repeats the pressing down action, makes molding part 41, 51 press tightly again, The pulp formed body 32 therein is dried (as shown in FIG. 20 ).

Fig. 21 is a schematic diagram of the structure of the fourth embodiment of the present invention, referring to the schematic diagrams of the actions in Figs. The mold 6 is straddled on the two guide rails 11 by a slide frame 62, and can act synchronously with the upper mold 4 and the slide frame 44, and an equal number of lower molds 5 are arranged below each upper die 6, and when the upper mold 4 After completing the preliminary pressing action (as shown in Figure 22) and sucking up the pulp molded body 32, the movement of the upper die traverse device moves the upper die 4 and the upper die 6 to traverse synchronously (as shown in Figure 23). Die 4 is moved on the lower die 5, after making the pulp forming body 32 be placed on the lower die 5 (as shown in Figure 24) simultaneously, the upper die traverse device reverses action, makes the upper die 4 return to the top of the mesh die 2 (as shown in Figure 24). As shown in Figure 25), the upper die 6 also returns to the top of the original lower die 5, and when the upper die 4 is pressed down again on the pulp material on the net die 2, the upper die 6 on the side of the upper die 4 is also lowered synchronously. Press the pulp molding body 32 on the lower die 5, (as shown in Figure 22) and when the upper mold 4 sucks up a pulp molding body 32 again, the upper die 6 on its side also sucks up the pulp molding body 32 synchronously, And along with the upper die 4 transverse sliding (as shown in Figure 26), the pulp molded body 32 is moved to another lower die 5, so that the repeated synchronous extrusion of a plurality of upper dies 6 is carried (as shown in Figure 27, Fig. 28), the last group of upper dies 6 can deliver the pulp molding body 32 on the conveyor belt 14 (as shown in Figure 29), so that the pulp molding body 32 can reach an excellent dry-solid effect, so as to be applicable to different processing methods.

It should be emphasized that if a lower mold 5 with a heating tube 52 inside is installed on the other side of the flip table 20 erected on the frame body 1 in Figures 8 and 9, when the mesh mold 2 and the upper mold 4 are used for preliminary pressing After the moisture inside the pulp forming body 32 is discharged, the turning platform 20 is rotated and turned over 180 degrees immediately, so that the lower mold 5 and the upper mold 4 installed on the other side of the turning platform 20 are pressed together. At this time, the upper mold 5 and the lower mold The heating pipes 42 and 52 installed inside the mold 4 produce thermal effects, which can dry the moisture of the pulp molding body 32 most quickly, and this structure can save the equipment that had to be installed with multiple lower molds 5 in the original frame body 1 , effectively reducing the volume and components of the overall machine.

As can be seen from the above, the pulp forming demoulding mechanism of the present invention does have the effects of rapid processing and molding, demoulding, dense fiber and fast drying, and changes the technical structural characteristics of the traditional pulp forming demoulding machine, making the pulp demoulding machine The performance of the invention has been greatly improved by one step, and the inventor has reached the object of the invention of the present invention through the above-mentioned technical scheme.

Claims (7)

1. a paper pulp molding and demolding machine comprises: Rack Body (1), net mould (2), paper pulp raw material case (3), patrix (4) and counterdie (5); It is characterized in that: wherein the top side of Rack Body (1) is provided with two guide rails extending parallel (11), two guide rails (11) end side is provided with buffer (111) and plate washer (112), the stage casing of Rack Body (1) be provided with two corresponding to guide rail (11) wide bearing block (12), bearing block (12) central authorities establish a breather pipe (13) and are communicated with outward, and roll-over table (20) one table sides are installed with net mould (2), each outwards is horizontally set with stage casing two sides of roll-over table (20) tubular axis (21) and runs through bearing default in the aforementioned axis bearing (12), and be connected connection with aforementioned breather pipe (13), making the roll-over table (20) that sets firmly net mould (2) form with tubular axis (21) is fulcrum and pivotable bonding state, and the end of tubular axis (21) is provided with a gear (24), a pivot driver device (25) drives tooth bar (251) and this gear (24) meshes and bearing block (12) side is provided with, paper pulp raw material case (3) is the below that is arranged at aforementioned net mould (2), and these paper pulp raw material case (3) two sides are driven by two former hopper lowering or hoisting gears (31) and can go up, following lifting slippage; Patrix (4) is to be arranged at net mould (2) top, and be positioned on the balladeur train (44) with patrix lowering or hoisting gear (45) linking, this patrix lowering or hoisting gear (45) comprises Null oil-pressure conversion cylinder (451) and pneumatic cylinder (452), balladeur train (44) is to stride to be located on aforementioned two guide rails (11), drive by a patrix Traverse Displacement Unit, can make balladeur train (44) go up horizontal slippage in guide rail (11), and drive patrix (4) through patrix lowering or hoisting gear (45) can upper and lower reciprocal lifting moving, counterdie (5) is to be arranged at the contour position of net mould (2) side.

2. paper pulp molding and demolding machine as claimed in claim 1; it is characterized in that: wherein this pivot driver device (25) is to drive a tooth bar (251) to stretch; and the end of net mould (2) side tubular axis (21) is provided with a gear (24) and this tooth bar (251) engagement, and the drive of this pivot driver device (25) can make net mould (2) pivot.

3. paper pulp molding and demolding machine as claimed in claim 1 is characterized in that: former hopper lowering or hoisting gear (31) is a pneumatic cylinder.

4. paper pulp molding and demolding machine as claimed in claim 1; it is characterized in that: side is provided with a buffer (111) outside Rack Body (1) top side two guide rails (11) end, and the balladeur train (44) that can keep supplying mould (4) touches respectively and is positioned directly over net mould (2) or the conveyer belt.

5. paper pulp molding and demolding machine as claimed in claim 1 is characterized in that: wherein be provided with a upper clamping plate (46) between patrix (4) and forming part (23), be laid with a plurality of steam vents (461) on this upper clamping plate (46) and be communicated with forming part (23) pore.

6. paper pulp molding and demolding machine as claimed in claim 1; it is characterized in that: net mould (2) is provided with original forming part (23) in a side; opposite side then is provided with the forming part identical in structure forming part (27) with counterdie (5); utilize the upset of this net mould (2); cooperate patrix (4) to press down repeatedly, can make paper pulp reach default moulding.

7. paper pulp molding and demolding machine as claimed in claim 1; it is characterized in that: net mould (2) side is provided with more than one counterdie (5) in addition; aforementioned counterdie (5) top then be provided with respective amount and with the top die (6) of patrix (4), (47) synchronization-sliding; utilize top die (6) and patrix (4), (47) synchronization action, can make the paper pulp molding body be subjected to each top die (6) to press sincere repeatedly.

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