CN107718676B - High-pressure forming machine with multi-spiral-structure pre-compression device and using method thereof - Google Patents
High-pressure forming machine with multi-spiral-structure pre-compression device and using method thereof Download PDFInfo
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- CN107718676B CN107718676B CN201711137427.6A CN201711137427A CN107718676B CN 107718676 B CN107718676 B CN 107718676B CN 201711137427 A CN201711137427 A CN 201711137427A CN 107718676 B CN107718676 B CN 107718676B
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- feeding box
- screw shaft
- roller
- forming machine
- compression roller
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- 238000007906 compression Methods 0.000 title claims abstract description 71
- 230000006835 compression Effects 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims abstract description 13
- 239000011148 porous material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 26
- 238000003825 pressing Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/16—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using pocketed rollers, e.g. two co-operating pocketed rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
- B30B15/302—Feeding material in particulate or plastic state to moulding presses
- B30B15/308—Feeding material in particulate or plastic state to moulding presses in a continuous manner, e.g. for roller presses, screw extrusion presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a high-pressure forming machine with a multi-spiral structure pre-compression device and a use method thereof, wherein the high-pressure forming machine comprises the pre-compression device, a hydraulic cylinder, a pin shaft supporting structure, a main compression roller, a driven compression roller and a bearing seat fixing structure; the precompression device sequentially comprises a synchronous gear box, a feeding box clamping lug, a feeding box and a guard plate from top to bottom; a screw shaft group is arranged in the synchronous gear box, and the lower part of the screw shaft group is connected with a feeding box; the clamping lugs of the feeding box are fixed on two sides of the feeding box and sleeved on the pin shafts of the bearing seats; the bottom of the feeding box adopts an arc surface form, and the arc surface is concentric with the press roller surface; the screw shaft group comprises a plurality of screw shafts which are alternately connected with each other along the reverse screw shaft and are arranged side by side. The invention adopts the overlapping multi-shaft screws to mutually occlude and feed, so that the space utilization rate is high, the material distribution is uniform, and the problem of material blockage is solved; the precompression device and the compression roller are synchronously opened and closed, so that gaps on two sides of the compression roller are equal, and the material pressing effect is improved; the pin shaft is adopted to support to replace the frame structure, so that the manufacturing cost is low, and the operation space is increased.
Description
Technical Field
The invention relates to a high-pressure forming machine with a multi-spiral-structure pre-compression device and a use method thereof.
Background
Because the prepressing spiral of the forming machine adopts a single-spiral structure, when the roller is wider, the single-spiral feeding center quantity is large, the quantity of two sides is small, the cloth is uneven, and the blocking is easy to occur. And the precompression device needs to independently manufacture a bracket, so that the overall cost of the bracket is high, and the operation space is limited. In addition, the precompression device is required to be symmetrical with the two sides of the compression roller gap, but the bilateral symmetry cannot be ensured in actual operation, powder leakage is easy to occur, and the ball pressing quality is further affected.
Therefore, a high-pressure forming machine and a pre-compacting device are needed, so that uniform material distribution can be achieved, material blockage is avoided, sealing can be ensured, the gap between pre-compacting and a compression roller is kept bilaterally symmetrical, frame cost is reduced as much as possible, and operation space is increased.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a high-pressure forming machine with a multi-spiral-structure pre-compacting device and a use method thereof, which are used for solving the problems of uneven distribution, easy material blockage, easy powder leakage, high frame structure cost, small operation space and the like of the prior pre-compacting device, and can be applied to a lignite drying and forming system.
The technical scheme provided by the invention is as follows:
the high-pressure forming machine with the multi-spiral structure pre-compression device comprises a pre-compression device, a hydraulic cylinder, a pin shaft supporting structure, a main compression roller, a driven compression roller and a bearing seat fixing structure;
the pre-compacting device sequentially comprises a synchronous gear box, a feeding box clamping lug, a feeding box and a guard plate from top to bottom; the synchronous gear box is internally provided with a screw shaft group, the lower part of the synchronous gear box is connected with a feeding box, and after materials enter the feeding box from a feed bin, the synchronous gear box drives the screw shaft group to rotate so as to compress the materials; the clamping lugs of the feeding box are fixed on two sides of the feeding box and sleeved on the pin shafts of the bearing seats to support the whole pre-compression device and bear the weight of the pre-compression device and a storage bin filled with materials; the front side and the rear side of the bottom of the feeding box are arc-shaped, the arc-shaped surfaces are attached to the compression roller surfaces of the main compression roller and the compression roller, and as the bottom of the feeding box is made into the arc-shaped surface, the distance between the arc-shaped surface and the compression roller can be always kept consistent, so that the material can play a sealing role after being filled in the feeding box; guard plates are arranged on two sides of the lower part of the feeding box and fixed between the main press roll and the pressed roll and the feeding box, so that materials can be prevented from overflowing from two sides;
the screw shaft group is arranged in the pre-compression device and comprises a plurality of screw shafts, the screw shafts are alternately connected with the counter screw shafts along the screw shafts and are arranged side by side, the counter screw shafts are arranged on two sides of the screw shaft group, and the counter screw shafts are meshed with the counter screw shafts along the screw shafts; the mutual engagement means that the phase difference between the clockwise spiral shaft and the anticlockwise spiral shaft is 180 degrees, namely the rotation directions are opposite, so that the effects of dredging and blocking relieving are realized. Along with the increase of the width of the press roller, the feeding box can be quickly adjusted in the length direction by increasing the number of the screw shafts, and the width direction has smaller variation compared with a single-screw structure, so that the operation space is saved, and the uniform distribution of the center and the two sides is realized;
the pin shaft supporting structure comprises a feeding box clamping lug and a bearing seat pin shaft, and the feeding box is positioned at the right upper part between the main compression roller and the compression roller; the bearing seat fixing structure comprises a bearing seat, a torque arm rotating bracket and a fixing frame which are connected in sequence; the pre-compression device is fixed on the bearing seat pin shaft through the clamping lugs of the feeding box, and the bearing seat pin shaft is provided with a limiting device which can prevent the bearing seat pin shaft from sliding back and forth; the open pore structures of the feeding bin clamping lugs on the main pressing roller side and the pressed roller side are respectively a left clamping lug and a right clamping lug, the left clamping lug on the main pressing roller side is in a fixed form, and the right clamping lug on the pressed roller side is consistent with the movable path of the pressed roller; the main press roller and the pressed roller are sleeved in the bearing seat, and a connecting hole is formed above the bearing seat and can be inserted into a bearing seat pin shaft; the main press roller is fixed and regulated by a torque arm rotating bracket, and the pressed roller is in a floating mode; the pre-compression device can synchronously rotate along with the opening and closing of the pressed roller in a mode that the left clamping lug and the right clamping lug of the feeding box clamping lug, the main pressing roller end are fixed and the pressed roller end floats, and the pre-compression device can be ensured to be positioned right above the centers of the main pressing roller and the pressed roller during operation, so that the forming effect is improved; meanwhile, the original frame structure is canceled, the manufacturing cost is reduced, and the operation space is increased.
Furthermore, a limiting rod is arranged on the fixing frame.
Further, the clamping lugs of the feeding box are provided with holes at the side of the pressed roller, namely the right clamping lugs are waist-shaped holes, and the waist-shaped holes are calculated and determined according to the opening size of the roller.
Furthermore, the lower part of the guard plate is also in an arc surface form, and the arc surface is concentric with the compression roller surface.
Furthermore, the forward screw shaft and the reverse screw shaft adopt a variable pitch mode, and precompression of materials is realized while material is dredged.
Further, the number of the clockwise screw shafts and the counter screw shafts is 1-9 respectively; preferably, the number of the clockwise screw shafts is 1, and the number of the counter screw shafts is 2.
Further, the number of turns of the screw thread on the clockwise screw shaft and the counter screw shaft is 2-10 respectively; preferably, the number of turns of the screw thread on the clockwise screw shaft and the counter screw shaft is 5.
The invention also provides a working method of the high-pressure forming machine with the multi-spiral structure pre-compression device, which comprises the following steps: after the material enters the feeding box from the feed bin, the spiral shaft group is driven to rotate through the synchronous gear box, so that precompression of the material is realized, and the material is extruded and molded through high pressure through a ball pit between the main compression roller and the compression roller. The pre-compression device is fixed through the left clamping lug and the right clamping lug of the feeding box clamping lug, the main compression roller end and the floating form of the compression roller end, and can synchronously rotate along with the opening and closing of the compression roller.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) The structure and the number of screw shafts are improved by adopting a new fixed form, and the problem of blockage is solved by mutually occluding and feeding by overlapping multi-shaft screws; when the press roller is wider, the single spiral size is oversized, the occupied space is large, the space utilization rate is high after the three spirals are changed, and the cloth is uniform;
(2) The precompression device and the compression roller are synchronously opened and closed, so that equal gaps at two sides of the compression roller are always ensured, and the material pressing effect is improved;
(3) The pin shaft is adopted for supporting, a frame structure is eliminated, the manufacturing cost is reduced, and the operation space is increased.
Drawings
FIG. 1 is an assembly view of a molding machine of the present invention;
FIG. 2 is an isometric view of a precompaction device;
FIG. 3 is an assembly view of a screw shaft;
reference numerals in the drawings: the device comprises a 1-precompression device, a 2-hydraulic cylinder, a 3-bearing seat pin shaft, a 4-compression roller, a 5-upper feeding box clamping lug, a 6-bearing seat, a 7-torque arm rotating support, an 8-fixing frame, a 9-limit rod, a 10-synchronous gear box, a 11-lower feeding box clamping lug, a 12-feeding box, a 13-guard plate, a 14-counter screw shaft and a 15-clockwise screw shaft.
Detailed Description
In order to enhance the understanding of the present invention, the following will describe the composition structure and working procedure of the material of the high pressure forming machine with the multi-spiral structure pre-compacting device according to the present invention in detail with reference to the accompanying drawings and the specific embodiments:
as shown in fig. 1, the high-pressure forming machine with the multi-spiral structure pre-compression device comprises a pre-compression device 1, a hydraulic cylinder 2, a pin shaft supporting structure, a main compression roller, a driven roller and a bearing seat fixing structure; the pre-compression device 1 comprises; the pin shaft supporting structure comprises an upper feeding box clamping lug 5 and a bearing seat pin shaft 3, and the feeding box is positioned at the right upper part between the main compression roller and the compression roller; the bearing seat fixing structure comprises a bearing seat 6, a torque arm rotary support 7 and a fixing frame 8 which are sequentially connected; the pre-compression device is fixed on the bearing seat pin shaft through the upper feeding box clamping lug, and the bearing seat pin shaft is provided with a limiting device which can prevent the bearing seat pin shaft from sliding back and forth; the open pore structures of the upper feeding hopper clamping lugs on the main pressing roller side and the pressed roller side are respectively a left clamping lug and a right clamping lug, the left clamping lug on the main pressing roller side is in a fixed form, and the right clamping lug on the pressed roller side is consistent with the movable path of the pressed roller; the main press roller and the pressed roller are sleeved in the bearing seat, and a connecting hole is formed above the bearing seat and can be inserted into a bearing seat pin shaft; the main press roller is fixed and regulated by a torque arm rotating bracket, and the pressed roller is in a floating mode; the pre-compression device can synchronously rotate along with the opening and closing of the pressed roller in a mode that the left clamping lug and the right clamping lug of the feeding box clamping lug, the main pressing roller end are fixed and the pressed roller end floats, and the pre-compression device can be ensured to be positioned right above the centers of the main pressing roller and the pressed roller during operation, so that gaps between the pre-compression device and the front, rear, left and right sides of the main pressing roller and the pressed roller are equal, and the forming effect is improved; meanwhile, the original frame structure is canceled, the manufacturing cost is reduced, and the operation space is increased.
Further, a limit rod 9 is arranged on the fixing frame 8.
As shown in fig. 2, the pre-compacting device comprises a synchronous gear box, a feeding box clamping lug, a feeding box and a guard plate from top to bottom in sequence; the synchronous gear box 10 is internally provided with a screw shaft group, the lower part of the synchronous gear box is connected with a feeding box 12, and after materials enter the feeding box 12 from a feed bin, the synchronous gear box 10 drives the screw shaft group to rotate so as to compress the materials; the clamping lugs 11 of the lower feeding box are fixed on two sides of the feeding box and sleeved on the bearing seat pin shafts to support the whole pre-compression device and bear the weight of the pre-compression device and a material bin filled with materials; the front side and the rear side of the bottom of the feeding box 12 are arc-shaped, the arc-shaped surfaces are matched and correspond to the surfaces of the main compression roller and the compression roller of the compression roller, and as the bottom of the feeding box is made into an arc surface, the distance between the arc surface and the compression roller can be always kept consistent, so that the material can play a sealing role after being filled in the feeding box; guard plates 13 are arranged on two sides of the lower portion of the feeding box, and the guard plates 13 are fixed between the main press roll and the pressed roll and the feeding box, so that materials can be prevented from overflowing from two sides.
Further, the lower feeding box clamping lug 11 is provided with a hole at the side of the pressed roller, namely the right clamping lug is a waist-shaped hole, and the waist-shaped hole is calculated and determined according to the opening size of the roller.
Further, the lower part of the guard plate 13 is also in the form of an arc surface, and the arc surface is concentric with the press roll surface.
As shown in fig. 3, the screw shaft group is arranged in the pre-compression device, the screw shaft group comprises three screw shafts, the three screw shafts are arranged side by side, wherein the middle is a clockwise screw shaft 15, the two sides are both counter screw shafts 14, and the clockwise screw shaft 15 is meshed with the counter screw shaft 14; the mutual engagement means that the phase difference between the clockwise screw shaft 15 and the counter screw shaft 14 is 180 degrees, that is, the rotation directions are opposite, so as to realize the functions of dredging and relieving blocking. Along with the increase of the width of the press roller, the feeding box can be quickly adjusted in the length direction by increasing the number of the screw shafts, and the width direction has smaller variation compared with a single-screw structure, so that the operation space is saved, and the uniform distribution of the center and the two sides is realized.
Furthermore, the forward screw shaft 15 and the reverse screw shaft 14 both adopt a variable pitch form, and precompression of materials is realized while material is thinned.
Further, the number of the clockwise screw shafts 15 and the counter screw shafts 14 is 1-9 respectively; preferably, the number of the clockwise screw shafts is 1, and the number of the counter screw shafts is 2.
Further, the number of turns of the screw thread on the clockwise screw shaft 15 and the counter screw shaft 14 is 2-10 turns respectively; preferably, the number of turns of the screw thread on the clockwise screw shaft and the counter screw shaft is 5.
The invention and its specific embodiments have been described above, it should be noted that: the foregoing embodiments or examples, which are not intended to be exhaustive or to limit the scope of the invention, are intended to provide those skilled in the art with the benefit of this disclosure, and many changes, modifications, substitutions and alterations herein without departing from the spirit and scope of the invention.
Claims (9)
1. A high-pressure forming machine with a multi-spiral structure precompression device is characterized in that: the high-pressure forming machine comprises a pre-compression device, a hydraulic cylinder, a pin shaft supporting structure, a main compression roller, a driven compression roller and a bearing seat fixing structure;
the pre-compacting device sequentially comprises a synchronous gear box, a feeding box clamping lug, a feeding box and a guard plate from top to bottom; a screw shaft group is arranged in the synchronous gear box, and the lower part of the screw shaft group is connected with a feeding box; the clamping lugs of the feeding box are fixed on two sides of the feeding box and sleeved on the pin shafts of the bearing seats; the front side and the rear side of the bottom of the feeding box are arc-shaped, and the arc surfaces are attached to the compression roller surfaces of the main compression roller and the compression roller; guard plates are arranged on two sides of the lower part of the feeding box and are fixed between the main press roll and the pressed roll and the feeding box;
the screw shaft group is arranged in the pre-compression device and comprises a plurality of screw shafts, the screw shafts are alternately connected with the counter screw shafts along the screw shafts and are arranged side by side, the counter screw shafts are arranged on two sides of the screw shaft group, and the counter screw shafts are meshed with the counter screw shafts along the screw shafts; the mutual engagement means that the phase difference between the clockwise screw shaft and the counter screw shaft is 180 degrees;
the pin shaft supporting structure comprises a feeding box clamping lug and a bearing seat pin shaft, and the feeding box is positioned at the right upper part between the main compression roller and the compression roller; the bearing seat fixing structure comprises a bearing seat, a torque arm rotating bracket and a fixing frame which are connected in sequence; the pre-compression device is fixed on a bearing seat pin shaft through the clamping lugs of the feeding box, and a limiting device is arranged on the bearing seat pin shaft; the open pore structures of the clamping lugs of the feeding box at the left side and the right side of the bearing seat are respectively a left clamping lug and a right clamping lug, the left clamping lug at the main compression roller side is in a fixed form, and the right clamping lug at the compression roller side is consistent with the movable path of the compression roller; the main press roller and the pressed roller are sleeved in the bearing seat, and a connecting hole is formed above the bearing seat and can be inserted into a bearing seat pin shaft; the main press roller is fixed and regulated by a torque arm rotating support, and the driven press roller is in a floating mode.
2. The high-pressure forming machine with multi-spiral-structure precompression means as claimed in claim 1, wherein: and the fixing frame is provided with a limiting rod.
3. The high-pressure forming machine with multi-spiral-structure precompression means as claimed in claim 1, wherein: the clamping lugs of the feeding box are provided with holes at the side of the pressed roller, namely the right clamping lug is a waist-shaped hole.
4. The high-pressure forming machine with multi-spiral-structure precompression means as claimed in claim 1, wherein: the lower part of the guard plate is also in an arc surface form, and the arc surface is concentric with the compression roller surface.
5. The high-pressure forming machine with multi-spiral-structure precompression means as claimed in claim 1, wherein: the forward screw shaft and the reverse screw shaft adopt variable pitch forms.
6. The high-pressure forming machine with multi-spiral-structure precompression means as claimed in claim 1, wherein: the number of the clockwise screw shafts and the counter screw shafts is 1-9 respectively.
7. The high-pressure forming machine with multi-spiral-structured pre-compression device of claim 6, wherein: the number of the clockwise screw shafts is 1, and the number of the anticlockwise screw shafts is 2.
8. The high-pressure forming machine with multi-spiral-structure precompression means as claimed in claim 1, wherein: the number of turns of the screw thread on the clockwise screw shaft and the counter screw shaft is 2-10.
9. The high-pressure forming machine with multi-spiral-structured pre-compression device of claim 8, wherein: the number of turns of the screw thread on the clockwise screw shaft and the counter screw shaft is 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711137427.6A CN107718676B (en) | 2017-11-16 | 2017-11-16 | High-pressure forming machine with multi-spiral-structure pre-compression device and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711137427.6A CN107718676B (en) | 2017-11-16 | 2017-11-16 | High-pressure forming machine with multi-spiral-structure pre-compression device and using method thereof |
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| Publication Number | Publication Date |
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| CN107718676A CN107718676A (en) | 2018-02-23 |
| CN107718676B true CN107718676B (en) | 2024-01-19 |
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| CN201711137427.6A Active CN107718676B (en) | 2017-11-16 | 2017-11-16 | High-pressure forming machine with multi-spiral-structure pre-compression device and using method thereof |
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| CN108995282A (en) * | 2018-07-23 | 2018-12-14 | 河南科技大学 | A kind of triangle horizontally-inclined is to roll-in ball machine |
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2017
- 2017-11-16 CN CN201711137427.6A patent/CN107718676B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6513424B1 (en) * | 1998-04-09 | 2003-02-04 | Freund Industrial Co., Ltd. | Device and method for processing powder and granular material |
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| CN107718676A (en) | 2018-02-23 |
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| CB02 | Change of applicant information |
Address after: 100039, room 1, building 16, No. 911 West Fourth Ring Road, Beijing, Haidian District Applicant after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 100039, room 1, building 16, No. 911 West Fourth Ring Road, Beijing, Haidian District Applicant before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |