CN207842138U - Roller gap tunable arrangement and large-scale digitlization powder forming - Google Patents

Roller gap tunable arrangement and large-scale digitlization powder forming Download PDF

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Publication number
CN207842138U
CN207842138U CN201721674565.3U CN201721674565U CN207842138U CN 207842138 U CN207842138 U CN 207842138U CN 201721674565 U CN201721674565 U CN 201721674565U CN 207842138 U CN207842138 U CN 207842138U
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China
Prior art keywords
rack
stud
driven rollers
driven
compression roller
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CN201721674565.3U
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Chinese (zh)
Inventor
王风贡
吕建云
张锦华
牛经艳
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SHANDONG ZHONGTIANTAIHE INDUSTRIAL Co Ltd
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SHANDONG ZHONGTIANTAIHE INDUSTRIAL Co Ltd
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Abstract

The utility model provides a kind of roller gap tunable arrangement and large-scale digitlization powder forming, is related to machinery production technical field.The roller gap tunable arrangement includes rack, driving shaft and driven shaft, it is arranged with initiative compression roller on driving shaft and is articulated in rack, driven shaft is articulated in by bearing and bearing block in rack, it is arranged with driven rollers on driven shaft, rack is equipped with for being clamped bearing block and adjusting the regulating mechanism of driven shaft position;Large size digitlization powder forming includes driving device and above-mentioned roller gap tunable arrangement, and the lower section of initiative compression roller and driven rollers is equipped with transmission device, and one end and the driving device cooperation of driving shaft are driven, and the other end passes through transmission parts and drives transmission device transmission.The position that driven rollers are adjusted by regulating mechanism obtains the shaped article of different size shapes to adjust the size and shape of cavity between initiative compression roller and driven rollers.

Description

Roller gap tunable arrangement and large-scale digitlization powder forming
Technical field
The utility model is related to machinery production technical field more particularly to a kind of roller gap tunable arrangement and large-scale numbers Change powder forming.
Background technology
Powder forming be it is a kind of using extrusion principle by with the powder of binder, e.g., coal dust extrusion forming at Type equipment, specifically, using more for machine for producing coal bars and ball press in powder forming, machine for producing coal bars and ball press are a kind of moulded coals Equipment, with rising steadily for current market lump coal price, each coal chemical industry enterprises utilize the moulded coal system of advantage of lower cost one after another Gas.
Existing powder forming generally comprises the pressure roller of two relative engagements, and two pressure rollers are equipped with the groove to match And fin, powder is between feeding mouth enters two pressure rollers, and a rotation in two pressure rollers, another is under the drive of powder Rotation actively rotates, and powder is extruded together by fin in a groove, and powder after molding is fallen between two pressure rollers.Tool Body, two pressure rollers are respectively and fixedly connected in two shafts, and the position between two shafts is fixed, the position between two pressure rollers It is relatively fixed, therefore the position of two pressure roller upper grooves and fin immobilizes, what matched groove and fin were formed is used for Cavity shape and the size for being molded powder are constant, and the moulding mixture that corresponding two pressure rollers squeeze out also immobilizes.
It that is, the spacing in existing powder forming between two pressure rollers immobilizes, cannot adjust, and lead to output Shape of product size is single, and powder forming has a single function, and product pattern is few.
Utility model content
The purpose of this utility model is to provide a kind of roller gap tunable arrangements and large size to digitize powder forming, with It solves the spacing in powder forming existing in the prior art between two pressure rollers to immobilize, cannot adjust, and cause to produce The shape of product size gone out is single, and powder forming has a single function, the few technical problem of product pattern.
Roller gap tunable arrangement provided by the utility model, including rack, driving shaft and driven shaft, the driving shaft pivot It is connected in the rack, and is arranged with initiative compression roller on the driving shaft, the both ends of the driven shaft are installed with bearing, described Bearing outside is equipped with bearing block, and the bearing block is connected in the rack, and driven rollers are arranged on the driven shaft, described Driven rollers match with the initiative compression roller;The rack is equipped with regulating mechanism, and the regulating mechanism is described for being clamped Bearing block simultaneously adjusts the distance between the driven shaft and the driving shaft.
Further, the regulating mechanism includes butt junction, gasket and the first stud, and the rack is equipped with threaded hole, For the first stud screw-thread fit in the threaded hole, the bearing block includes the first side wall and second sidewall, and described first Side wall is fixedly arranged on the second side close to the initiative compression roller, the second sidewall far from the initiative compression roller, the butt junction On wall, first stud is abutted against with the butt junction, and the gasket is clamped between the first side wall and the rack; Or, the butt junction is fixedly arranged on the first side wall, first stud is abutted against with the butt junction, and the gasket clamps Between the second sidewall and the rack.
Further, the butt junction is multiple, and multiple butt junctions are juxtaposed on the bearing block, the spiral shell Pit and first stud are also accordingly multiple, and multiple first studs match one by one with multiple butt junctions.
Further, the butt junction includes fixed seat and adjustable column, and the fixed seat is equipped with inserting groove, the adjusting One end of column is plugged in the inserting groove, and the other end of the adjustable column is abutted with first stud.
Further, it is two that screw-thread fit, which has nut, the nut, on first stud, and two nuts point Not Wei Yu the threaded hole both sides.
Further, distance of the initiative compression roller away from ground is less than distance of the driven rollers away from ground.
Further, the second stud is threaded in the rack, the initiative compression roller is movably set in the active On axis, the side wall of the initiative compression roller is equipped with cricoid sliding slot, and rolling to clamp between second stud and the sliding slot has Ball;And/or third stud is threaded in the rack, the driven rollers are movably set on the driven shaft, institute The side wall for stating driven rollers is equipped with cricoid sliding slot, and being clamped between the third stud and the sliding slot has ball.
Another of the utility model is designed to provide a kind of large-scale digitlization powder forming, including driving device and Above-mentioned roller gap tunable arrangement, the driving device for driving the driving shaft to rotate, the initiative compression roller and it is described from The lower section of dynamic pressure roller is equipped with transmission device, and one end of the driving shaft is driven with driving device cooperation, and the other end passes through biography Dynamic component drives the transmission device transmission.
Further, the rack is coated with shell, and the shell is equipped with the feed inlet for charging, the shell On be additionally provided with discharge port, the discharge port is corresponding with the discharge end of the transmission device;The shell is equipped with window, described Window is for adjusting the regulating mechanism.
Further, window is hinged on the window, the window matches with the window.
The utility model roller gap tunable arrangement and large size digitize having the beneficial effect that for powder forming:
Roller gap tunable arrangement provided by the utility model and large-scale digitlization powder forming, wherein roller gap Tunable arrangement includes rack for playing a supportive role, for squeezing the molding initiative compression roller of powder and driven rollers, for holding Carry the driving shaft of initiative compression roller and the driven shaft for carrying driven rollers, wherein the bearing and bearing that driven shaft passes through both ends Seat is articulated in rack, and the adjusting machine that can be adjusted bearing block and then adjust driven shaft and driven rollers position is provided in rack Structure;Wherein, large-scale digitlization powder forming includes for driving the driving device of above-mentioned driving shaft rotation, for pressing active The transmission device that the product of roller and driven rollers extrusion forming transports out, wherein driving device drives the same of driving shaft rotation When, driving shaft drives transmission device to transmit by transmission parts.
Specifically, initiative compression roller and driven rollers are equipped with the fin and groove being mutually matched, initiative compression roller and from dynamic pressure The distance between roller determines the shape and size of the cavity of fin, groove with synthesis.When initial, initiative compression roller directly or by Bearing, bearing block are articulated in rack, and driven rollers are articulated in by bearing and bearing block in rack, and parallel with initiative compression roller Setting is seated against the position in rack by regulating mechanism adjustment axis, and then adjusts the position of driven shaft and driven rollers, completes Between driven shaft and driving shaft between the adjusting of spacing, driven rollers and initiative compression roller spacing adjusting, after the completion of adjusting, locking Regulating mechanism, regulating mechanism are fixed bearing block, when the spacing between driven rollers and initiative compression roller changes, Groove and fin on driven rollers is with driven rollers generation change in location, and initiative compression roller position is constant, correspondingly, from dynamic pressure Groove and fin and the cavity for shaped article of groove and fin formation on initiative compression roller on roller change, that is, Driven rollers adjusted along driven shaft position radially substantially change be shaped article cavity;The position tune of driven rollers After the completion of section, driving device is opened, affixed initiative compression roller rotates on driving device driving driving shaft and driving shaft, from upper Powder is added between direction initiative compression roller and driven rollers, powder enters the type cooperatively formed between initiative compression roller and driven rollers Intracavitary, under the action of initiative compression roller and powder, driven rollers also rotate with powder, and with initiative compression roller collective effect pair Powder carries out extrusion forming, and the powder being extruded together touches downwards transmission device and fractures or directly fall in transmission device On, the next position is transmitted to by transmission device, is blocked caused by reduce shaped article under initiative compression roller and driven rollers, from And complete processing and forming of the powder forming to powder;After the completion of processing and forming, driving device is closed.
When needing various sizes of shaped article, by regulating mechanism to driven rollers along driven shaft in the radial direction Position is adjusted, and to adjust the size and shape of cavity between initiative compression roller and driven rollers, obtains different size shapes Shaped article, the vdiverse in function of powder forming, product pattern are more.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the first viewing angle constructions schematic diagram of the large-scale digitlization powder forming that the utility model embodiment provides;
Fig. 2 is the second viewing angle constructions schematic diagram of the large-scale digitlization powder forming that the utility model embodiment provides;
Fig. 3 is the schematic cross-sectional view for the roller gap tunable arrangement that the utility model embodiment provides;
Fig. 4 is the outline structural diagram for the roller gap tunable arrangement that the utility model embodiment provides.
Icon:1- racks;2- driven shafts;3- driven rollers;4- butt junctions;5- gaskets;6- driving devices;7- Transmission device;8- shells;The first studs of 11-;12- nuts;13- third studs;21- bearings;22- bearing blocks;31- Sliding slot;41- fixed seats;42- adjustable columns;61- motors;62- retarders;81- feed inlets;82- discharge ports;83- windows Door.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, can also be electrical connection;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition The concrete meaning of language in the present invention.
The present embodiment provides a kind of roller gap tunable arrangements, as shown in Figure 1-Figure 3, including rack 1, driving shaft and from Moving axis 2, driving shaft is articulated in rack 1, and initiative compression roller is arranged on driving shaft, and the both ends of driven shaft 2 are installed with bearing 21, bearing 21 is arranged with bearing block 22 outside, and bearing block 22 is connected in rack 1, and driven rollers 3 are arranged on driven shaft 2, driven Pressure roller 3 matches with initiative compression roller;Rack 1 is equipped with regulating mechanism, and regulating mechanism is for being clamped bearing block 22 and adjusting driven The distance between axis 2 and driving shaft.
The present embodiment also provides a kind of large-scale digitlization powder forming, including driving device 6 and above-mentioned roller gap can Device is adjusted, for driving device 6 for driving driving shaft to rotate, the lower section of initiative compression roller and driven rollers 3 is equipped with transmission device 7, main One end of moving axis is driven with the cooperation of driving device 6, and the other end drives transmission device 7 to transmit by transmission parts.
Roller gap tunable arrangement provided in this embodiment and large-scale digitlization powder forming, wherein roller gap can To adjust device include rack 1 for playing a supportive role, for squeezing the molding initiative compression roller of powder and driven rollers 3, for holding Carry the driving shaft of initiative compression roller and the driven shaft 2 for carrying driven rollers 3, wherein 21 He of bearing that driven shaft 2 passes through both ends Bearing block 22 is articulated in rack 1, and bearing block 22 can be adjusted and then adjust driven shaft 2 and driven rollers 3 by being provided in rack 1 The regulating mechanism of position;Wherein, large-scale digitlization powder forming includes the driving device for driving above-mentioned driving shaft rotation 6, the transmission device 7 for transporting out the product of 3 extrusion forming of initiative compression roller and driven rollers, wherein driving device 6 is driven While dynamic driving shaft rotation, driving shaft drives transmission device 7 to transmit by transmission parts.
Specifically, initiative compression roller and driven rollers 3 are equipped with the fin and groove being mutually matched, initiative compression roller and from dynamic pressure The distance between roller 3 determines the shape and size of the cavity of fin, groove with synthesis.When initial, initiative compression roller is direct or logical Cross bearing 21, bearing block 22 is articulated in rack 1, driven rollers 3 are articulated in by bearing 21 and bearing block 22 in rack 1, and It is arranged in parallel with initiative compression roller, position of the bearing block 22 in rack 1 is adjusted by regulating mechanism, and then adjust 2 He of driven shaft The position of driven rollers 3, spacing between the adjusting of spacing, driven rollers 3 and initiative compression roller between completion driven shaft 2 and driving shaft Adjusting, after the completion of adjusting, lock adjustment mechanism, regulating mechanism is fixed bearing block 22, driven rollers 3 with actively When spacing between pressure roller changes, the groove and fin on driven rollers 3 are main with the generation change in location of driven rollers 3 Dynamic pressure roller position is constant, correspondingly, the use of the groove and fin on driven rollers 3 and groove and fin formation on initiative compression roller Change in the cavity of shaped article, that is, driven rollers 3 adjusted along the position radially of driven shaft 2 substantially change be The cavity of shaped article;After the completion of the positions of driven rollers 3 is adjusted, open driving device 6, driving device 6 drive driving shaft and Affixed initiative compression roller rotates on driving shaft, from being added powder between upper direction initiative compression roller and driven rollers 3, powder into Enter in the cavity cooperatively formed between initiative compression roller and driven rollers 3, under the action of initiative compression roller and powder, driven rollers 3 Also it rotates with powder, and extrusion forming is carried out to powder with initiative compression roller collective effect, the powder being extruded together is downward Touch transmission device 7 to fracture or directly fall on transmission device 7, the next position be transmitted to by transmission device 7, with reduce at Type product blocks caused by the initiative compression roller and driven rollers 3 times, to complete processing and forming of the powder forming to powder;At Type after processing is completed, closes driving device 6.
When needing various sizes of shaped article, by regulating mechanism to driven rollers 3 along driven shaft 2 in the radial direction Position be adjusted, to adjust the size and shape of cavity between initiative compression roller and driven rollers 3, obtain different size shapes The shaped article of shape, the vdiverse in function of powder forming, product pattern are more.
Specifically, in the present embodiment, as shown in figure 4, regulating mechanism may include butt junction 4, gasket 5 and the first stud 11, rack 1 is equipped with threaded hole, and for 11 screw-thread fit of the first stud in threaded hole, bearing block 22 includes the first side wall and second Side wall, the first side wall are fixedly arranged on far from initiative compression roller, butt junction 4 in second sidewall close to initiative compression roller, second sidewall, the first spiral shell Column 11 is abutted against with butt junction 4, and gasket 5 is clamped between the first side wall and rack 1;Or, butt junction 4 is fixedly arranged on the first side wall On, the first stud 11 is abutted against with butt junction 4, and gasket 5 is clamped between second sidewall and rack 1.
Both perpendicular to the line segment length of the two it is driving shaft and driven shaft 2 in line between driving shaft and driven shaft 2 Between gap length, after bearing block 22 is conditioned the gasket 5 of mechanism and the first stud 11 is fixedly clamped, the thickness side of gasket 5 Length direction to, the length direction of butt junction 4 and the first stud 11 is parallel with the length direction of the line segment, with butt junction 4 (what needs to be explained here is that the first side wall and second sidewall here is edge for the second sidewall being fixedly arranged on bearing block 22 The length direction of the line segment, perpendicular to the two side walls of the length direction in the side wall of bearing block 22, wherein apart from driving shaft Closer side wall is the first side wall, is second sidewall apart from the side wall of driving shaft farther out.Such as, when bearing block 22 is cuboid, axis Bearing 22 is along its four circumferential side wall, and the length direction that bottom surface is supported in rack 1 and with the line segment is parallel, with bottom surface phase Adjacent two side walls are vertical with the length direction of the line segment, and one of side wall is the first side wall, another side wall is the second side Wall), when cavity dimension needs to adjust, the first stud of turn 11 takes out gasket 5, and position of the bearing block 22 in rack 1 can With movement, behind the position for regulating bearing block 22, corresponding thickness is filled in the gap between 22 the first side wall of bearing block and rack 1 The new gasket 5 of degree, the first stud of turn 11 is until the first stud 11 compresses butt junction 4, and completion regulating mechanism is to driven rollers 3 The adjusting of spacing between initiative compression roller.
The setting of butt junction 4, on the one hand, may insure compression of first stud 11 to bearing block 22;On the other hand, actively During axis is driven with the cooperation of driven shaft 2, initiative compression roller drives driven rollers 3 to rotate by the extruding of powder, when powder accumulates When pressing more, initiative compression roller and driven rollers 3 block, and driving device 6 persistently exerts a force to driving shaft, the power by initiative compression roller, Powder and driven rollers 3 pass to driven shaft 2, which is passed to the butt junction on bearing block 22 and bearing block 22 by driven shaft 2 4, the intensity of butt junction 4 is much smaller than driven shaft 2, therefore 4 stress of butt junction is distorted deformation, shape of the operator from butt junction 4 State can learn that the operation conditions of powder forming, the setting of butt junction 4 can protect driven shaft 2, reduce 2 stress of driven shaft damage Bad the occurrence of, extends the service life of driven shaft 2;And the cost of butt junction 4 is far below driven shaft 2, can also reduce powder Expect the wear and tear expense of molding machine operation.
When butt junction 4 is set on the first side wall, regulating mechanism is consistent with above-mentioned principle to the adjusting of bearing block 22, here It repeats no more.
In order to enhance fixation of first stud 11 to bearing block 22, in the present embodiment, as shown in figure 4, butt junction 4 can be Multiple, multiple butt junctions 4 are juxtaposed on bearing block 22, threaded hole and the first stud 11 it is corresponding be also it is multiple, multiple first Stud 11 matches one by one with multiple butt junctions 4.
In the present embodiment, as shown in figure 4, butt junction 4 may include fixed seat 41 and adjustable column 42, fixed seat 41 is equipped with One end of inserting groove, adjustable column 42 is plugged in inserting groove, and the other end of adjustable column 42 is abutted with the first stud 11.Driven rollers When spacing between 3 and initiative compression roller needs to adjust, there can be following two regulative modes:Unscrew the first stud 11, adjustment axis The suitable gasket 5 of thickness is inserted in the position of bearing 22 between rack 1 and the first side wall, screws the first stud 11 until first Stud 11 is abutted with adjustable column 42;Or unscrew the first stud 11, adjust the position of bearing block 22, rack 1 and the first side wall it Between insert the suitable gasket 5 of thickness, original adjustable column 42 is removed, again in inserting groove be inserted into appropriate length adjustable column 42, the first stud 11 is screwed until the first stud 11 is abutted with adjustable column 42.The activity setting of adjustable column 42, on the one hand, can be with Increase the adjustable range of bearing block 22, reduces the occurrence of 22 adjustable range of bearing block is by the first 11 length limitation of stud;Separately On the one hand, when powder blocks, 42 stress twist distortion of adjustable column, operator need to only remove the adjustable column 42 of damage, The adjustable column 42 more renewed, to improve the degree easy to use of powder forming.
In the present embodiment, as shown in figure 4, screw-thread fit can have a nut 12 on the first stud 11, nut 12 is two, And two nuts 12 are located at the both sides of threaded hole.After the completion of being adjusted to the position of bearing block 22, the first stud 11 is screwed, with Two nuts 12 on the first stud 11 are screwed afterwards, and two nuts 12 are in first stud of the both sides pair of rack 1 11 in rack 1 Position is fixed, and can effectively enhance the stability of the first stud 11, reduces the pressure of modulated segmented column 42 and in threaded hole The occurrence of turn, and then enhance fixation of first stud 11 to bearing block 22.
In the present embodiment, distance of the initiative compression roller away from ground can be less than distance of the driven rollers 3 away from ground.Driven rollers 3 are located at the oblique upper of initiative compression roller, initiative compression roller and driven rollers 3 drives driven rollers 3 to rotate by squeezing powder, powder warp After crossing extruding, since driven rollers 3 are located above, molding product is detached from driven rollers 3 first by gravity, is then existed The rotation of initiative compression roller drives on lower arrival transmission device 7, to reduce adhesion of the driven rollers 3 to shaped article, reduce at Attachment of the type product on powder forming.
In the present embodiment, the second stud can also be threaded in rack 1, initiative compression roller is movably set in driving shaft On, the side wall of initiative compression roller is equipped with cricoid sliding slot 31, and rolling to clamp between the second stud and sliding slot 31 has ball;And/or Third stud 13 is threaded in rack 1, driven rollers 3 are movably set on driven shaft 2, are set on the side wall of driven rollers 3 There is cricoid sliding slot 31, being clamped between third stud 13 and sliding slot 31 has ball.Here it is that initiative compression roller and driven rollers 3 can be with A kind of concrete form adjusted along driving shaft and 2 axial direction position of driven shaft, (needs by taking the adjusting of driven rollers 3 as an example It is bright, " being slidingly connected " referred herein refer to driven rollers 3 can sliding axially along driven shaft 2, but cannot be along driven Axis 2 circumferentially rotates), the third stud 13 and ball at 3 both ends of driven rollers carry out extruding positioning to driven rollers 3, and driven When pressure roller 3 rotates, the ball of 13 end of third stud rolls in the sliding slot 31 on driven rollers 3, is realizing to driven rollers 3 On the basis of pushing against positioning action, the frictional force between the first stud 11 and driven rollers 3 is greatly reduced;Driven rollers 3 need When adjusting position, third stud 13 is unscrewed, position of the driven rollers 3 on driven shaft 2 is adjusted, after the completion of adjusting, screws again Third stud 13.When driven rollers 3 and initiative compression roller change along the relative axial position of driven shaft 2 and driving shaft, The shape and size of the cavity of the shaped article formed between driven rollers 3 and initiative compression roller change therewith, initiative compression roller It can be adjusted with one of those in driven rollers 3 or two can all adjust the adjusting that can realize cavity.
In the present embodiment, as depicted in figs. 1 and 2, shell 8 can be coated in rack 1, shell 8 be equipped with for into The feed inlet 81 of material is additionally provided with discharge port 82 on shell 8, and discharge port 82 is corresponding with the discharge end of transmission device 7;On shell 8 Equipped with window, window is for adjusting regulating mechanism.Window 83 is hinged on window, window 83 matches with window.Shell 8 coats Outside rack 1, driving shaft, initiative compression roller, driven shaft 2 and driven rollers 3 to rack 1 and in rack 1 play guarantor Shield acts on, and is damaged caused by internal part to reduce external factor;When driven rollers 3 need position to adjust, operator Member by adjustable column 42 in the installation of the window that is opened up on shell 8, dismounting regulating mechanism and the first stud 11 or can replace not The gasket 5 of stack pile.Be hinged with window 83 on window, buckle can also be equipped on shell 8, on window 83 with hinge side phase To another side be equipped with card, card matches with buckle, when need not adjust driven rollers 3, can close window 83, general Strip is caught in buckle, and window 83 is locked, on the one hand, can be played a protective role to the regulating mechanism in window;Another party Face can maintain the complete appearance of shell 8.When needing to adjust driven rollers 3, strip is taken out from buckle, opens window 83.
In order to ensure initiative compression roller and driven rollers 3 are to the extrusion forming of powder, in the present embodiment, such as Fig. 1 and Fig. 2 institutes Show, a preloaded helical compression device can also be set at the feed inlet 81 on shell 8, and preloaded helical compression device includes feed hopper, spiral shell Pre- compression leg and the driving part for driving preloaded helical compression column to rotate are revolved, spiral is provided along its length on preloaded helical compression column Piece, wherein feed hopper is mounted on feed inlet 81.When work, powder is added in feed hopper, opens driving part, driving portion Part drives the rotation of preloaded helical compression column, the flight on preloaded helical compression column that the powder in feed hopper is driven to enter the master inside shell 8 The position that dynamic pressure roller and the cooperation of driven rollers 3 squeeze, and powder is compressed, initiative compression roller and driven rollers 3 are to pre-pressing When powder afterwards is pressed further by molding, initiative compression roller and inadequate 3 binder hardness of driven rollers, preloaded helical compression device is to powder Material carries out precompressed charging, can be effectively increased the type shape stability of discharge of fine material and at type hardness tester.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: It can still modify to the technical solution recorded in previous embodiment, either to which part or all technical features Carry out equivalent replacement;And these modifications or replacements, the utility model embodiment that it does not separate the essence of the corresponding technical solution The range of technical solution.

Claims (10)

1. a kind of roller gap tunable arrangement, which is characterized in that including rack (1), driving shaft and driven shaft (2), the active Axis is articulated in the rack (1), and initiative compression roller is arranged on the driving shaft, and the both ends of the driven shaft (2) are fixed There is bearing (21), bearing block (22) is arranged with outside the bearing (21), the bearing block (22) is connected in the rack (1), Driven rollers (3) are arranged on the driven shaft (2), the driven rollers (3) match with the initiative compression roller;The rack (1) be equipped with regulating mechanism, the regulating mechanism for be clamped the bearing block (22) and adjust the driven shaft (2) with it is described The distance between driving shaft.
2. roller gap tunable arrangement according to claim 1, which is characterized in that the regulating mechanism includes butt junction (4), gasket (5) and the first stud (11), the rack (1) be equipped with threaded hole, the first stud (11) screw-thread fit in In the threaded hole, the bearing block (22) includes the first side wall and second sidewall, and the first side wall is close to the active pressure Roller, the second sidewall are fixedly arranged on far from the initiative compression roller, the butt junction (4) in the second sidewall, first spiral shell Column (11) is abutted against with the butt junction (4), and the gasket (5) is clamped between the first side wall and the rack (1);
Or, the butt junction (4) is fixedly arranged on the first side wall, first stud (11) offsets with the butt junction (4) It connects, the gasket (5) is clamped between the second sidewall and the rack (1).
3. roller gap tunable arrangement according to claim 2, which is characterized in that the butt junction (4) be it is multiple, it is multiple The butt junction (4) is juxtaposed on the bearing block (22), and the threaded hole and first stud (11) are also accordingly Multiple, multiple first studs (11) match one by one with multiple butt junctions (4).
4. roller gap tunable arrangement according to claim 2, which is characterized in that the butt junction (4) includes fixed seat (41) and adjustable column (42), the fixed seat (41) are equipped with inserting groove, and one end of the adjustable column (42) is plugged in described insert In access slot, the other end of the adjustable column (42) is abutted with first stud (11).
5. the roller gap tunable arrangement according to any one of claim 2-4, which is characterized in that first stud (11) screw-thread fit has nut (12) on, and the nut (12) is two, and two nuts (12) are located at the spiral shell The both sides of pit.
6. the roller gap tunable arrangement according to any one of claim 1-4, which is characterized in that the initiative compression roller Distance away from ground is less than the distance of the driven rollers (3) away from ground.
7. the roller gap tunable arrangement according to any one of claim 1-4, which is characterized in that on the rack (1) It is threaded with the second stud, the initiative compression roller is movably set on the driving shaft, is set on the side wall of the initiative compression roller There is cricoid sliding slot (31), rolling to clamp between second stud and the sliding slot (31) has ball;
And/or third stud (13) is threaded on the rack (1), the driven rollers (3) be movably set in it is described from On moving axis (2), the side wall of the driven rollers (3) is equipped with cricoid sliding slot (31), the third stud (13) and the cunning Being clamped between slot (31) has ball.
8. a kind of large-scale digitlization powder forming, which is characterized in that including any in driving device (6) and claim 1-7 Roller gap tunable arrangement described in, the driving device (6) for driving the driving shaft to rotate, the initiative compression roller and The lower section of the driven rollers (3) is equipped with transmission device (7), and one end of the driving shaft is passed with the driving device (6) cooperation Dynamic, the other end drives the transmission device (7) to transmit by transmission parts.
9. large-scale digitlization powder forming according to claim 8, which is characterized in that the rack (1) is coated with Shell (8), the shell (8) are equipped with the feed inlet (81) for charging, discharge port (82) are additionally provided on the shell (8), The discharge port (82) is corresponding with the discharge end of the transmission device (7);The shell (8) is equipped with window, the window For adjusting the regulating mechanism.
10. large-scale digitlization powder forming according to claim 9, which is characterized in that hinged fenestrate on the window Door (83), the window (83) match with the window.
CN201721674565.3U 2017-12-05 2017-12-05 Roller gap tunable arrangement and large-scale digitlization powder forming Active CN207842138U (en)

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Application Number Priority Date Filing Date Title
CN201721674565.3U CN207842138U (en) 2017-12-05 2017-12-05 Roller gap tunable arrangement and large-scale digitlization powder forming

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Application Number Priority Date Filing Date Title
CN201721674565.3U CN207842138U (en) 2017-12-05 2017-12-05 Roller gap tunable arrangement and large-scale digitlization powder forming

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