CN211142657U - Paper pulp molding machine - Google Patents
Paper pulp molding machine Download PDFInfo
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- CN211142657U CN211142657U CN201921450126.3U CN201921450126U CN211142657U CN 211142657 U CN211142657 U CN 211142657U CN 201921450126 U CN201921450126 U CN 201921450126U CN 211142657 U CN211142657 U CN 211142657U
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Abstract
The utility model discloses a paper pulp molding machine, which comprises a frame, a pulp box, a lower molding die driving mechanism, a lower hot-pressing die driving mechanism, a sliding table, an upper molding die, an upper hot-pressing die and a sliding table driving mechanism, wherein the upper molding die, the upper hot-pressing die and the sliding table driving mechanism are arranged on the sliding table; the hot-pressing lower die is arranged below the middle part of the rack and is driven by the hot-pressing lower die driving mechanism; the sliding table is hoisted on the top of the rack, is driven by the sliding table driving mechanism to horizontally move and drives the upper forming die to repeatedly face the lower forming die and the lower hot-pressing die; the pulp molding forming machine can detect the displacement of the forming lower die and the hot pressing lower die in real time in a slurry and steam environment.
Description
Technical Field
The utility model relates to a paper pulp molding product production technical field especially relates to a paper pulp molding machine.
Background
The pulp molding machine is a device for pulp molding and is mostly used for producing pulp molded egg trays or disposable tableware and the like. In addition, a large amount of steam is generated in the mold closing process of the hot pressing lower mold, the generated steam can enter the electronic ruler, so that the electronic ruler fails to work or a misleading signal is sent, the displacement of the forming lower mold and the hot pressing lower mold cannot be detected, and the conditions of collision and the like of the forming lower mold, the hot pressing lower mold and a sliding table can be caused in the processing process.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a paper pulp molding machine can detect the displacement of shaping lower mould and hot pressing lower mould in real time in thick liquid and steam environment.
The purpose of the utility model is realized by adopting the following technical scheme:
a paper pulp molding machine comprises a frame, a pulp box, a lower molding die driving mechanism, a lower hot-pressing die driving mechanism, a sliding table, an upper molding die, an upper hot-pressing die and a sliding table driving mechanism, wherein the upper molding die, the upper hot-pressing die and the sliding table driving mechanism are arranged on the sliding table; the hot-pressing lower die is arranged below the middle part of the rack and is driven by the hot-pressing lower die driving mechanism; the sliding table is hoisted on the top of the rack, is driven by the sliding table driving mechanism to horizontally move and drives the upper forming die to repeatedly face the lower forming die and the lower hot-pressing die; the hot-pressing lower die drawing device is characterized by further comprising a first drawing wire encoder and a second drawing wire encoder, wherein the first drawing wire encoder and the second drawing wire encoder are installed above the side face of the rack, the first drawing wire encoder is suitable for measuring the displacement of the hot-pressing lower die in the working process, and the second drawing wire encoder is suitable for measuring the displacement of the forming lower die in the working process.
Furthermore, the lower molding die driving mechanism comprises a first speed reduction driving motor, a transmission shaft, a driving sprocket, a driven sprocket, a chain, a hanging ring, a rotary joint, a main shaft, a lifting guide groove, an overturning guide groove, a shifting rod and a guide wheel; the lower forming die is fixed on the main shaft; the main shaft is a hollow shaft, one end of the main shaft is closed, and the other end of the main shaft is communicated with vacuum and compressed gas; two ends of the main shaft are connected with the chain through the hanging rings; the first speed reduction driving motor is arranged at the top of the rack, and the transmission shaft extends out of two ends of a speed reducer output hole of the first speed reduction driving motor to two sides of the rack; the driving chain wheels are fixed at two ends of the transmission shaft; the driven chain wheels are fixed on two sides below the rack and are vertical to the driving chain wheel, and when the chain wheels rotate, the lower forming die is driven to move up and down along the direction of the lifting guide groove; one end of the deflector rod is fixedly connected with the closed end of the main shaft, and the other end of the deflector rod is rotatably connected with the guide wheel; the guide wheel is matched with the turning guide groove, and the motion track of the guide wheel is guided by the turning guide groove to drive the deflector rod to turn the lower forming die.
Furthermore, the lower molding die driving mechanism comprises a second speed reduction driving motor, a first rotating shaft, a first crank pin, a first connecting rod, a supporting pin, a guide sleeve and a guide pillar; the second speed reduction driving motor is arranged on a base in the middle of the rack; the first rotating shaft symmetrically extends out of a speed reducer output hole of the second speed reduction driving motor and is horizontally arranged; a plurality of first cranks which are vertically arranged with the first rotating shaft are arranged on the first rotating shaft, and the rotating angles of the first cranks in a vertical plane are consistent; the tail end of the first crank is rotatably connected with one end of the first connecting rod through the first crank pin, and the other end of the first connecting rod is rotatably connected with the bottom of the hot-pressing lower die through the supporting pin; the guide sleeves are arranged on two sides of the hot-pressing lower die and are in sliding fit with guide columns fixed on the rack; when the first rotating shaft rotates forwards, the first crank drives the first connecting rod to ascend and drives the hot-pressing lower die to ascend; when the first rotating shaft rotates reversely, the first crank drives the first connecting rod to descend and simultaneously drives the hot-pressing lower die to do descending motion.
Furthermore, the first stay wire encoder and the second stay wire encoder comprise a fixed seat and a stay wire sensor for detecting the displacement of the hot pressing lower die or the forming lower die, and the stay wire sensor is installed on the rack through the fixed seat.
Compared with the prior art, the beneficial effects of the utility model reside in that:
this application through set up first encoder and the second encoder of acting as go-between is used for replacing the electronic ruler, can be in thick liquid and steam environment the displacement volume of real-time detection shaping lower mould and hot pressing lower mould, avoid malfunctioning to avoid shaping lower mould or hot pressing lower mould not remove when suitable position, with other parts bump in the machine, lead to damaging.
Drawings
Fig. 1 is a schematic structural view of a pulp molding machine according to the present invention;
fig. 2 is a schematic structural view of a stay wire encoder of a pulp molding machine of the present invention.
The figure is as follows: 10. a frame; 20. a pulp box; 30. forming a lower die; 40. hot-pressing the lower die; 50. a first pull encoder; 60. a second pull encoder; 61. a pull wire sensor; 62. a fixed seat.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1 and 2, the pulp molding machine comprises a frame 10, a pulp tank 20, a lower molding die 30 driving mechanism, a lower hot-pressing die 40 driving mechanism, a sliding table, an upper molding die, an upper hot-pressing die and a sliding table driving mechanism, wherein the upper molding die, the upper hot-pressing die and the sliding table driving mechanism are arranged on the sliding table; the hot-pressing lower die 40 is arranged below the middle part of the frame 10 and is driven by a driving mechanism of the hot-pressing lower die 40; the sliding table is hung on the top of the frame 10 and is driven by a sliding table driving mechanism to move horizontally and drive the upper forming die to repeatedly face the lower forming die 30 and the lower hot-pressing die 40; the hot-pressing forming machine further comprises a first stay wire encoder 50 and a second stay wire encoder 60, wherein the first stay wire encoder 50 and the second stay wire encoder 60 are installed above the side face of the machine frame 10, the first stay wire encoder 50 is suitable for measuring the displacement of the hot-pressing lower die 40 in the working process, and the second stay wire encoder 60 is suitable for measuring the displacement of the forming lower die 30 in the working process.
The driving mechanism of the lower forming die 30 comprises a driving mechanism consisting of a first speed reduction driving motor, a transmission shaft, a driving sprocket, a driven sprocket and a chain, a hanging ring, a rotary joint, a main shaft, a lifting guide groove, an overturning guide groove, a shifting lever and a guide wheel. The lower forming die 30 is fixed on the main shaft; the main shaft is a hollow shaft, one end of the main shaft is closed, and the other end of the main shaft is communicated with vacuum and compressed air. The two ends of the main shaft are connected with the chain through the hanging rings, and during specific implementation, the chain is disconnected and is arranged in the hanging rings, so that the hanging rings become a loop connection section of the chain; wherein, the contact gap between the hanging ring on the closed end and the main shaft is internally provided with antifriction materials, so that the main shaft can rotate in the hanging ring without the hanging ring generating deflection; the open end is provided with a rotary joint which is perpendicular to the inlet and outlet direction, and the lifting ring at the end is arranged on the shell of the rotary joint, so that the lifting ring does not rotate relatively when the main shaft rotates. The first speed reduction driving motor is arranged at the top of the rack 10, and the transmission shaft extends out of two ends of a speed reducer output hole of the first speed reduction driving motor to two sides of the rack 10; the driving chain wheels are fixed at two ends of the transmission shaft; the driven sprockets are fixed on two sides below the frame 10 and are perpendicular to the driving sprocket. In order to prevent the main shaft from deflecting during lifting, a lifting guide groove is further provided on the frame 10. When the sprocket rotates, the lower molding die 30 is driven to move up and down along the direction of the lifting guide groove. One end of the deflector rod is fixedly connected with the closed end of the main shaft, and the other end of the deflector rod is rotatably connected with the guide wheel; when the lifting lever is pushed, the main shaft can rotate; the outer end of the deflector rod is provided with a guide wheel, the center of the guide wheel 38 is provided with a guide wheel shaft, and the shell of the guide wheel can rotate; meanwhile, the guide wheel is matched with the turning guide groove, the movement track of the guide wheel is guided by the turning guide groove, the deflector rod is driven to turn the lower molding die 30,
the driving mechanism of the lower forming die 30 comprises a second speed reducing driving motor, a first rotating shaft, a first crank pin, a first connecting rod, a supporting pin, a guide sleeve and a guide pillar. The second speed reduction driving motor is arranged on a base in the middle of the rack 10; the first rotating shaft symmetrically extends out of the output hole of the speed reducer of the second speed reduction driving motor and is horizontally arranged. The first rotating shaft is provided with a plurality of first cranks which are vertically arranged with the first rotating shaft, the rotating angles of the first cranks in a vertical plane are consistent, the tail ends of the first cranks are rotatably connected with one end of a first connecting rod through a first crank pin, and the other end of the first connecting rod is rotatably connected with the bottom of the hot pressing lower die 40 through a supporting pin. In this embodiment, in order to ensure the bearing capacity of the first rotating shaft and the stability of the whole mechanism, the first crank is composed of two crank units, two, 4 in total, are respectively arranged on two sides of the first rotating shaft, correspondingly, the first connecting rod is provided with 4, and the first rotating shaft is supported by four bearing seats separated from two sides. Of course, the number of the first cranks, the first connecting rods and the bearing seats is not limited to this, and any number may be used as required. The guide sleeves are arranged on two sides of the hot pressing lower die 40 and are in sliding fit with guide columns fixed on the rack 10; when the first rotating shaft rotates forwards, the first crank drives the first connecting rod to ascend and drives the hot-pressing lower die 40 to ascend simultaneously; when the first rotating shaft rotates reversely, the first crank drives the first connecting rod to descend, and simultaneously drives the lower hot-pressing die 40 to descend. It should be noted that the first rotating shaft used in this embodiment is a through shaft, so the first crank cannot rotate 360 degrees, and the lower hot-pressing mold 40 descends and only rotates in the opposite direction. If 360-degree rotation is needed, the first rotating shaft can be a crankshaft. When the crank and the connecting rod are in a straight line, the pressure reaches the maximum, and the hot pressing lower die 40 also rises to the highest position. If the hot-pressing lower die 40 and the hot-pressing upper die are clamped at the moment, and the clamping height is slightly lower than the connecting rod height, the hot-pressing die generates a large clamping force.
The first and second string encoders 50 and 60 include a fixing base 62 and a string sensor 61 for detecting a displacement amount of the lower hot press die 40 or the lower molding die 30, and the string sensor 61 is mounted on the frame 10 through the fixing base 62.
This application product during operation, after pouring into the thick liquid case 20 with the paper pulp of certain concentration into, install the shaping lower mould 30 of specific shape and specific wire side and descend on one side, overturn on one side, when the mould upset to level, get into below the liquid level, let in the vacuum, absorb certain thickness with the paper pulp fibre after, shaping lower mould 30 rises, the upset (this process second draws line encoder 60 will detect the displacement volume of shaping lower mould 30, can not rise to suitable position at shaping lower mould 30 when, with signal transmission to paper pulp molding machine control end, in order to avoid the slip table to take the shaping to go up mould and hot pressing mould horizontal migration to the shaping position, bump with the slip table). When the mold turned 180 degrees is completely horizontal, the lower molding mold 30 stops rising, and vacuum is continuously introduced to dehydrate the fibers. After reaching a certain degree of drying, the product is shaped as a wet blank. At this time, the sliding table drives the upper forming die and the upper hot-pressing die to move horizontally to the forming position (i.e. the upper forming die and the upper hot-pressing die are respectively opposite to the lower forming die 30 and the lower hot-pressing die 40), the lower forming die 30 continues to rise (the lower forming die 30 is not turned over at this stage, and the second stay wire encoder 60 detects the displacement of the lower forming die 30 in this process), the upper forming die is matched with the upper forming die, the upper blowing suction is carried out downwards, the wet blank is transferred to the upper die and then immediately descends, and the next circulation of slurry suction is. Simultaneously with the rising of the lower molding die 30, the lower hot-pressing die 40 rises, and the dried product in the previous cycle is transferred to the upper hot-pressing die by blowing down and sucking up the dried product. When the two lower dies are moved, the sliding table drives the upper forming die and the upper hot-pressing die to move horizontally to the hot-pressing position, the lower hot-pressing die 40 rises, the second stay wire encoder 60 detects the displacement of the lower hot-pressing die 40, the detection result is transmitted to the control end of the pulp molding machine, the pulp molding machine is matched with the upper forming die, the pulp molding machine is blown upwards and sucked downwards, and the wet blank is transferred to the lower hot-pressing die 40 and then immediately descends.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (4)
1. A pulp molding machine is characterized in that: the mortar box is fixedly arranged below one side of the rack, the lower molding die is arranged above the mortar box and is driven by the lower molding die driving mechanism to turn and lift; the hot-pressing lower die is arranged below the middle part of the rack and is driven by the hot-pressing lower die driving mechanism; the sliding table is hoisted on the top of the rack, is driven by the sliding table driving mechanism to horizontally move and drives the upper forming die to repeatedly face the lower forming die and the lower hot-pressing die; the hot-pressing lower die drawing device is characterized by further comprising a first drawing wire encoder and a second drawing wire encoder, wherein the first drawing wire encoder and the second drawing wire encoder are installed above the side face of the rack, the first drawing wire encoder is suitable for measuring the displacement of the hot-pressing lower die in the working process, and the second drawing wire encoder is suitable for measuring the displacement of the forming lower die in the working process.
2. A pulp molding machine according to claim 1, characterized in that: the lower forming die driving mechanism comprises a first speed reduction driving motor, a transmission shaft, a driving chain wheel, a driven chain wheel, a chain, a hanging ring, a rotary joint, a main shaft, a lifting guide groove, an overturning guide groove, a deflector rod and a guide wheel; the lower forming die is fixed on the main shaft; the main shaft is a hollow shaft, one end of the main shaft is closed, and the other end of the main shaft is communicated with vacuum and compressed gas; two ends of the main shaft are connected with the chain through the hanging rings; the first speed reduction driving motor is arranged at the top of the rack, and the transmission shaft extends out of two ends of a speed reducer output hole of the first speed reduction driving motor to two sides of the rack; the driving chain wheels are fixed at two ends of the transmission shaft; the driven chain wheels are fixed on two sides below the rack and are vertical to the driving chain wheel, and when the chain wheels rotate, the lower forming die is driven to move up and down along the direction of the lifting guide groove; one end of the deflector rod is fixedly connected with the closed end of the main shaft, and the other end of the deflector rod is rotatably connected with the guide wheel; the guide wheel is matched with the turning guide groove, and the motion track of the guide wheel is guided by the turning guide groove to drive the deflector rod to turn the lower forming die.
3. A pulp molding machine according to claim 1, characterized in that: the forming lower die driving mechanism comprises a second speed reduction driving motor, a first rotating shaft, a first crank pin, a first connecting rod, a supporting pin, a guide sleeve and a guide pillar; the second speed reduction driving motor is arranged on a base in the middle of the rack; the first rotating shaft symmetrically extends out of a speed reducer output hole of the second speed reduction driving motor and is horizontally arranged; a plurality of first cranks which are vertically arranged with the first rotating shaft are arranged on the first rotating shaft, and the rotating angles of the first cranks in a vertical plane are consistent; the tail end of the first crank is rotatably connected with one end of the first connecting rod through the first crank pin, and the other end of the first connecting rod is rotatably connected with the bottom of the hot-pressing lower die through the supporting pin; the guide sleeves are arranged on two sides of the hot-pressing lower die and are in sliding fit with guide columns fixed on the rack; when the first rotating shaft rotates forwards, the first crank drives the first connecting rod to ascend and drives the hot-pressing lower die to ascend; when the first rotating shaft rotates reversely, the first crank drives the first connecting rod to descend and simultaneously drives the hot-pressing lower die to do descending motion.
4. A pulp molding machine according to claim 1, characterized in that: the first stay wire encoder and the second stay wire encoder comprise fixing seats and stay wire sensors used for detecting displacement of the hot pressing lower die or the forming lower die, and the stay wire sensors are installed on the rack through the fixing seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450126.3U CN211142657U (en) | 2019-09-03 | 2019-09-03 | Paper pulp molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450126.3U CN211142657U (en) | 2019-09-03 | 2019-09-03 | Paper pulp molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211142657U true CN211142657U (en) | 2020-07-31 |
Family
ID=71758950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921450126.3U Active CN211142657U (en) | 2019-09-03 | 2019-09-03 | Paper pulp molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211142657U (en) |
-
2019
- 2019-09-03 CN CN201921450126.3U patent/CN211142657U/en active Active
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