CN106552691B - Grinding roller bearing structure and milling machine - Google Patents
Grinding roller bearing structure and milling machine Download PDFInfo
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- CN106552691B CN106552691B CN201510631152.6A CN201510631152A CN106552691B CN 106552691 B CN106552691 B CN 106552691B CN 201510631152 A CN201510631152 A CN 201510631152A CN 106552691 B CN106552691 B CN 106552691B
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- 238000000227 grinding Methods 0.000 title claims abstract description 90
- 238000003801 milling Methods 0.000 title description 6
- 238000005096 rolling process Methods 0.000 claims description 19
- 235000013312 flour Nutrition 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000004237 Crocus Nutrition 0.000 description 1
- 241000596148 Crocus Species 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The invention relates to a grinding roller supporting structure and a grinding mill, wherein the grinding roller supporting structure comprises a support (6), a shell (1) arranged on the support (6), and a grinding roller supporting device which is accommodated in the shell (1) and is detachably and fixedly connected to the support (6). Through the technical scheme, the grinding roller supporting structure comprises the grinding roller supporting device, the grinding roller supporting device can be independently assembled outside the grinding mill, when the grinding roller is replaced, the grinding roller supporting device is only required to be integrally replaced, the time consumed by disassembling and assembling the grinding roller is reduced, and therefore the production efficiency of the grinding mill is improved.
Description
Technical Field
The present invention relates to grinding equipment, in particular to a grinding roller support structure and a flour mill.
Background
The flour mill is widely applied to the fields of metallurgy, building materials, chemical industry, mines, flour mills and the like. In recent years, the flour mill industry is rapidly developed, the Chinese powder technology has a very fast development speed in the scientific research and development of powder production, application and equipment manufacturing, and shows vigorous vitality and vitality. With the rapid development of Chinese economy, the flour mill equipment plays a vital role in the field of respective projects. For example, in the daily production of flour mills, the grinding roller is the core of the mill, which in turn is the core of the mill, and therefore the grinding roller directly affects the production efficiency of the mill.
After a pulverizer in the prior art is used for a period of time, grinding rollers are abraded in different degrees, so that load loss and power consumption are increased, the quality of powder is reduced, and the grinding rollers need to be replaced frequently. The grinding roller of traditional milling machine is supported through the bearing frame of both sides and is installed on the frame base, needs go on under the whole production line of milling machine stopped transport state during the change to can only take off in proper order rather than the belt of being connected and drive wheel (including fast running roller, slow running roller and take-up pulley etc.), then dismantle bearing frame and bearing and could take off the grinding roller, this operation process is consuming time longer. When the grinding roller is installed, the workpieces need to be installed in a reverse order. Obviously, the process of changing the grinding roller among the prior art is wasted time and energy, directly influences the production efficiency of crocus mill.
Therefore, it is desirable to provide a grinding roller supporting device to enable the grinding roller to be replaced more conveniently and rapidly, and the production efficiency is improved.
Disclosure of Invention
The invention aims to provide a grinding roller supporting structure which can realize convenient and quick replacement of a grinding roller so as to improve the production efficiency.
The invention also aims to provide a flour mill to improve the production efficiency.
In order to achieve the above object, the present invention provides a grinding roll support structure, wherein the grinding roll support structure comprises a support, a housing arranged on the support, and a grinding roll support device accommodated in the housing and detachably fixedly connected to the support,
wherein the housing is arranged to be openable;
the grinding roller supporting device comprises a base, a fast roller bearing seat fixedly arranged on the base and a slow roller bearing seat hinged to the base, and the base is detachably and fixedly connected with the support.
Preferably, the grinding roller supporting device further comprises a roll gap adjusting device which can enable the slow roller bearing seat and the fast roller bearing seat to be in clutch rolling and can adjust the roll gap between the slow roller bearing seat and the fast roller bearing seat, wherein,
the roll gap adjusting device is connected to the fast roll bearing seat and the slow roll bearing seat and is positioned on the same side of the fast roll bearing seat and the slow roll bearing seat.
Preferably, the housing comprises a fixed part hinged to a movable part of the fixed part, and a telescopic part is arranged between the movable part and the fixed part.
Preferably, an intermediate clamping plate covers between the fast roller bearing seat and the slow roller bearing seat, and first arc-shaped concave parts are respectively formed at two ends of the intermediate clamping plate;
an outer clamping plate covers the quick roller bearing seat, and a second arc-shaped concave part is formed at the end part of the outer clamping plate; or,
the inner wall surface of the movable part is connected with an outer clamping plate, a second arc-shaped concave part is formed at the end part of the outer clamping plate, and the outer clamping plate covers a part of the fast roller bearing seat when the movable part is not opened.
Preferably, the roll gap adjusting device comprises a clutch rolling assembly capable of enabling the slow roll bearing seat and the fast roll bearing seat to roll together or separate, a pull rod and a roll gap adjusting assembly capable of adjusting the roll gap between the slow roll bearing seat and the fast roll bearing seat, wherein,
the rod body of the pull rod penetrates through the slow roller bearing seat;
the clutch rolling assembly is arranged on the fast roller bearing seat and connected with one end of the pull rod, and the rolling distance adjusting assembly is connected to the other end of the pull rod and abuts against the slow roller bearing seat.
Preferably, the clutching roll assembly comprises:
the first eccentric wheel is arranged in a first round hole of the fast roller bearing block and can rotate around the axis of the first round hole in the first round hole, and a second round hole deviating from the wheel center is formed in the wheel body of the first eccentric wheel;
a drive member connected to the first eccentric to be able to drive the first eccentric in rotation;
one end of the wheel shaft is arranged in the second round hole of the first eccentric wheel and can rotate around the axis of the second round hole, and the other end of the wheel shaft is in transmission connection with the pull rod;
the driving component drives the first eccentric wheel to rotate so as to drive the pull rod to act through the wheel shaft, so that the slow roller bearing seat and the fast roller bearing seat are in rolling or separated from rolling.
Preferably, the driving means comprises a rotating arm having an end fixedly connected to the first eccentric.
Preferably, the driving member further comprises a first telescopic cylinder, one end of the first telescopic cylinder is hinged to the base, and the other end of the first telescopic cylinder is hinged to one end of the rotating arm.
Preferably, the clutched rolling assembly further comprises:
one end of the tensioning frame is connected with the pull rod, and the other end of the tensioning frame is provided with a third round hole;
the second eccentric wheel is arranged in the third round hole and can rotate around the axis of the third round hole, and a fourth round hole deviating from the wheel center is formed on the wheel body of the second eccentric wheel;
wherein the other end of the wheel shaft is fixedly assembled in the fourth round hole.
Preferably, roll spacing adjusting part includes the tension seat and first elastic component and adjusting nut, wherein, the tension seat cover is located on the pull rod and one end with the slow roller bearing housing is connected, adjusting nut screw-thread fit is in on the pull rod, first elastic component cover is located on the pull rod and both ends respectively with the tension seat adjusting nut contacts.
Preferably, the roll clearance adjusting device further comprises a roll clearance fine-tuning assembly, wherein the roll clearance fine-tuning assembly comprises a fixing frame, a fine-tuning screw, a fine-tuning arm and a pin nut, the fixing frame is fixedly mounted on the upper portion of the fast roller bearing seat, the fine-tuning screw is mounted on the fixing frame, one end of the fine-tuning arm is fixedly connected with the wheel shaft, a first pin shaft hole is formed in the other end of the fine-tuning arm, the pin nut penetrates through the first pin shaft hole and can rotate around the axis of the first pin shaft hole, the end portion of the fine-tuning screw is in threaded connection with the pin nut, the axis of the pin nut is parallel to the axis of the wheel shaft, and the axis of the pin nut is perpendicular to the axis of the.
Preferably, a second pin shaft hole is formed in the fixing frame, a screw rod pin shaft penetrates through the second pin shaft hole and can rotate around the axis of the second pin shaft hole, the fine adjustment screw rod penetrates through the screw rod pin shaft, and the axis of the screw rod pin shaft is parallel to the axis of the pin shaft nut.
Preferably, roll distance fine setting subassembly still including be provided with the support frame of fifth round hole with install in second telescoping cylinder on the support frame, the fine setting screw rod passes the fifth round hole, the support frame with the mount is pegged graft, the support frame can be along with the fine setting screw rod winds the axis in second round pin shaft hole is rotatory, the telescopic link of second telescoping cylinder can push up and touch the fine setting screw rod is in order to right the fine setting screw rod carries out the locking.
Preferably, a second elastic member is arranged between the slow roller bearing seat and the fast roller bearing seat.
The invention also provides a flour mill, wherein the flour mill comprises a fast grinding roller, a slow grinding roller and the grinding roller supporting structure provided by the invention, wherein the slow grinding roller is assembled on the slow roller bearing seat, and the fast grinding roller is assembled on the fast roller bearing seat.
Through the technical scheme, this grinding roller bearing structure includes grinding roller strutting arrangement, and this grinding roller strutting arrangement can be independent of and assemble outside the milling machine, when changing the grinding roller, only needs to open the casing, exposes grinding roller strutting arrangement as whole, dismantles the base from the support or installs the base on this support, reduces the time that the dismouting grinding roller consumed to the production efficiency of milling machine has been improved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic illustration of a grinding roll support structure in an open position of a housing according to one embodiment of the present disclosure;
FIG. 2 is a schematic illustration of the grinding roll support structure of FIG. 1 in a closed condition of the housing;
FIG. 3 is a schematic view of the construction of the grinding roll support apparatus of FIG. 1;
fig. 4 is a schematic view of the structure of the parts connected to the axle in fig. 3.
Description of the reference numerals
1 casing 3 fast roller bearing seat
4 first telescopic cylinder 5 base
6 support 7 slow roll bearing block
8 second elastic part 11 active part
12 expansion piece 13 fixing part
22 pull rod 24 middle catch plate
25 outer snap-gauge 26 fixing frame
27 vernier screw 28 vernier arm
29 pin shaft nut 210 axle
211 first eccentric wheel 212 rotating arm
213 tensioning seat 214 first elastic element
215 adjusting nut 216 support
217 second telescopic cylinder 231 tensioning frame
232 second eccentric wheel 261 screw pin shaft
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, the use of ordinal words such as "first" and "second" in the absence of a contrary indication is generally intended to more clearly describe the invention, i.e., the elements so defined are not to be considered as ordinal or subordinate; the directional terms "upper" and "lower" etc. indicate directions or positional relationships based on those shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The invention provides a grinding roller supporting structure, which comprises a support 6, a shell 1 arranged on the support 6, and a grinding roller supporting device which is accommodated in the shell 1 and is detachably and fixedly connected to the support 6, wherein the shell 1 is arranged to be opened; the grinding roller supporting device comprises a base 5, a fast roller bearing seat 3 fixedly installed on the base 5 and a slow roller bearing seat 7 hinged to the base 5, and the base 5 and the support 6 are detachably and fixedly connected.
Referring to fig. 1, as a preferred embodiment of the present invention, a grinding roll support structure comprises a grinding roll support device, the slow roll bearing housing 7 of which is capable of being fitted with a slow grinding roll and the fast roll bearing housing 3 of which is capable of being fitted with a fast grinding roll, so that, in the grinding operation of a grinding mill, when it is desired to replace a grinding roll, it is only necessary to open the housing 1, expose the grinding roll support device as a whole, remove the base 5 from the support 6 by means of a removal tool, for example, removing the connecting bolts of the base 5 and the support 6, remove the grinding roll support device with the grinding roll to be repaired or with wear from the support 6, and mount a new grinding roll support device onto the support 6, or replace the grinding roll with a new grinding roll, whereby the process of removing and mounting the drive wheels, belts, etc. of the grinding roll is omitted, the operation time is saved, the grinding roller is convenient and quick to replace, and the production efficiency is improved.
Referring to fig. 1 and 3, in a preferred embodiment of the present invention, the grinding roller supporting device further includes a roll gap adjusting device capable of clutching the slow roller bearing housing 7 and the fast roller bearing housing 3 and adjusting a roll gap between the slow roller bearing housing 7 and the fast roller bearing housing 3, wherein an axis of a roller shaft mounting hole of the fast roller bearing housing 3 is parallel to an axis of a roller shaft mounting hole of the slow roller bearing housing 7, and the roll gap adjusting device is connected to the fast roller bearing housing 3 and the slow roller bearing housing 7 and is located on the same side of the fast roller bearing housing 3 and the slow roller bearing housing 7.
The housing 1 may be an integral type or a split type, and with continued reference to fig. 1 and 2, in a preferred embodiment of the present invention, the housing 1 includes a fixed portion 13 hinged to a movable portion 11 of the fixed portion 13, and a telescopic member 12 is disposed between the movable portion 11 and the fixed portion 13. When the grinding roller is replaced, the movable part 11 can be opened through the telescopic piece 12, so that the grinding roller supporting device is exposed, and the grinding roller supporting device is convenient to disassemble and assemble. It should be noted that the telescopic member 12 may be a cylinder, a hydraulic cylinder, etc., and it is within the scope of the present invention as long as it can open the movable portion 11 when the grinding roller needs to be replaced, and therefore, the description thereof is omitted. In addition, the movable portion 11 and the fixed portion 13 may be connected by a pin in a rotatable manner, or may be detachably connected by a fastener, which is within the protection scope of the present invention.
Referring to fig. 3, as a preferred embodiment of the present invention, an intermediate clamping plate 24 covers between the fast roller bearing seat 3 and the slow roller bearing seat 7, and first arc-shaped concave portions are respectively formed at two ends of the intermediate clamping plate 24; an outer clamping plate 25 covers the quick roller bearing seat 3, and a second arc-shaped concave part is formed at the end part of the outer clamping plate 25; or, an outer clamping plate 25 is connected to the inner wall surface of the movable part 11, a second arc-shaped concave part is formed at the end part of the outer clamping plate 25, and when the movable part 11 is not opened, the outer clamping plate 25 covers a part of the fast roller bearing seat 3.
When the fast roller and the slow roller are respectively arranged on the fast roller bearing seat 3 and the slow roller bearing seat 7, the middle clamping plate 24 can be clamped between the shaft heads of the fast roller and the slow roller as an independent part. The first arcuate recesses of the intermediate cards 24 are adapted to mate with the stub shafts of the fast and slow rollers. Similarly, the second arc-shaped concave part of the outer clamping plate 25 is used for matching with the shaft head of the fast roller. It should be noted that the outer locking plate 25 may be a separate component, or may be connected to the inner wall surface of the movable portion 11, and it is within the scope of the present invention as long as the outer locking plate 25 can cover a part of the bearing block 3 when the movable portion 11 is not opened.
Referring to fig. 1 and 3, the roll gap adjusting device includes a clutch rolling assembly capable of making the slow roll bearing seat 7 and the fast roll bearing seat 3 roll together or away, a pull rod 22, and a roll gap adjusting assembly capable of adjusting the roll gap between the slow roll bearing seat 7 and the fast roll bearing seat 3, wherein a rod body of the pull rod 22 passes through the slow roll bearing seat 7; the clutch rolling assembly is arranged on the fast roller bearing seat 3 and is connected with one end of the pull rod 22, and the rolling distance adjusting assembly is connected with the other end of the pull rod 22 and abuts against the slow roller bearing seat 7. The slow roller bearing seat 7 is hinged on the base 5 through a connecting pin shaft. The clutch rolling assembly and the roll gap adjusting assembly are matched with each other so as to adjust the roll gap between the slow roll bearing seat 7 and the fast roll bearing seat 3. Simultaneously, separation and reunion rolls subassembly and roll distance adjusting part and all sets up in the top of base 5 to can wholly dismouting when changing the grinding roller.
Referring to fig. 3, the clutch assembly includes a first eccentric 211, a driving member, and an axle 210. The first eccentric wheel 211 is arranged in a first circular hole of the fast roller bearing seat 3 and can rotate around the axis of the first circular hole in the first circular hole, and a second circular hole deviating from the wheel center is formed on the wheel body of the first eccentric wheel 211. A driving member connected to the first eccentric 211 to be able to drive the first eccentric 211 in rotation. One end of the wheel shaft 210 is disposed in the second circular hole of the first eccentric wheel 211 and can rotate around the axis of the second circular hole, and the other end of the wheel shaft 210 is in transmission connection with the pull rod 22. Wherein the driving means drives the first eccentric wheel 211 to rotate so as to drive the pull rod 22 to act through the wheel shaft 210 to roll the slow roll bearing seat 7 and the fast roll bearing seat 3 together or away.
The driving member may be in various forms, and may be configured to drive the first eccentric wheel 211 to rotate around the axis of the first circular hole. As a preferred embodiment, said driving means comprise a tumbler 212, the end of which is fixedly connected to said first eccentric 211, the tumbler 212 driving the first eccentric 11 in rotation.
Besides, the driving member further comprises a first telescopic cylinder 4, one end of the first telescopic cylinder 4 is hinged with the base 5, and the other end is hinged with one end of the rotating arm 212, so that the first eccentric wheel 211 can regularly rotate, and the flour mill can regularly perform the rolling and separating.
Referring to fig. 3 and 4, the clutch rolling assembly further includes a tightening bracket 231 and a second eccentric 232. And one end of the tensioning frame 231 is connected with the pull rod 22, and the other end of the tensioning frame 231 is provided with a third round hole. And the second eccentric wheel 232 is installed in the third round hole and can rotate around the axis of the third round hole, and a fourth round hole deviating from the wheel center is formed on the wheel body of the second eccentric wheel 232. Wherein the other end of the wheel shaft 210 is fixedly fitted in the fourth round hole. The rotation generated by the first eccentric 211 by the driving means is transmitted to the tie rod 22 after the conversion of the axle 210, the second eccentric 232 and the tightening bracket 231, so that the mill can perform the rolling and the rolling regularly.
In another preferred embodiment of the present invention, with continued reference to fig. 3 and 4, the roll gap adjusting assembly includes a tightening seat 213, a first elastic member 214 and an adjusting nut 215, wherein the tightening seat 213 is sleeved on the pull rod 22 and one end of the tightening seat is connected to the slow roller bearing seat 7, the adjusting nut 215 is screwed on the pull rod 22, and the first elastic member 214 is sleeved on the pull rod 22 and two ends of the first elastic member are respectively in contact with the tightening seat 213 and the adjusting nut 215. In the off-rolling state, the position of the slow roller bearing block 7 with respect to the tie rod 22 can be adjusted by rotating the adjusting nut 215, thereby adjusting the nip between the fast roller bearing block 3 and the slow roller bearing block 7. The first elastic member 214 may be a spring or a rubber sleeve, and in this embodiment, the first elastic member 214 is a disc spring. One end of the tensioning seat 213 contacting the slow roller bearing seat 7 is provided with a convex block, the end surface of the slow roller bearing seat 7 contacting the tensioning seat 213 is provided with a concave block corresponding to the convex block, and a reliable force transmission path is formed between the tensioning seat 213 and the slow roller bearing seat 7 through the matching of the convex block and the concave block.
Preferably, the roll clearance adjusting device further comprises a roll clearance fine-tuning assembly, wherein the roll clearance fine-tuning assembly comprises a fixing frame 26, a fine-tuning screw 27, a fine-tuning arm 28 and a pin nut 29, the fixing frame 26 is fixedly mounted on the upper portion of the fast roller bearing seat 3, the fine-tuning screw 27 is mounted on the fixing frame 26, one end of the fine-tuning arm 28 is fixedly connected with the wheel axle 210, the other end of the fine-tuning arm is provided with a first pin axle hole, the pin nut 29 penetrates through the first pin axle hole and can rotate around the axis of the first pin axle hole, the end portion of the fine-tuning screw 27 is in threaded connection with the pin nut 29, the axis of the pin nut 29 is parallel to the axis of the wheel axle 210, and the axis of the pin nut 29 is perpendicular to the axis of the fine. By rotating the fine adjustment screw 27, the angle between the fine adjustment screw 27 and the fine adjustment arm 28 can be adjusted. Referring to fig. 4, since the vernier arm 28 is fixedly connected to the second eccentric 232 through the axle 210, the angle adjustment between the vernier screw 27 and the vernier arm 28 can be transmitted to the tightening frame 231 through the conversion of the second eccentric 232, so as to change the roll gap between the first roll chock 21 and the fast roll chock 3.
In addition, the fixing frame 26 is provided with a second pin shaft hole, the screw pin shaft 261 penetrates through the second pin shaft hole and can rotate around the axis of the second pin shaft hole, the fine adjustment screw 27 penetrates through the screw pin shaft 261, and the axis of the screw pin shaft 261 is parallel to the axis of the pin shaft nut 29, so that when the fine adjustment screw 27 rotates around the pin shaft nut 29, the fine adjustment screw 27 can adaptively rotate relative to the fixing frame 26, and the fixing frame 26 does not interfere with the rotation of the fine adjustment screw 27. A hand wheel is mounted at the free end of the fine adjustment screw 27, and the operator rotates the fine adjustment screw 27 by rotating the hand wheel.
Furthermore, the roll clearance fine adjustment assembly further comprises a support frame 214 provided with a fifth round hole and a second telescopic cylinder 215 installed on the support frame 214, the fine adjustment screw 27 passes through the fifth round hole, the support frame 214 is inserted into the fixed frame 26, the support frame 214 can rotate around the axis of the second pin shaft hole along with the fine adjustment screw 27, and the telescopic rod of the second telescopic cylinder 215 can push against the fine adjustment screw 27 to lock the fine adjustment screw 27, so that the fine adjustment screw 27 is prevented from rotating in normal production, and the grain size of the ground powder is not suitable for production requirements. The first telescopic cylinder 4 and the second telescopic cylinder 215 can both be air cylinders or hydraulic cylinders.
As a preferred embodiment of the present invention, a second elastic member 8 is disposed between the slow roller bearing seat 7 and the fast roller bearing seat 3, the second elastic member 8 may be a spring, and the second elastic member 8 can play a role in buffering during the process of rolling together or separating from the slow roller bearing seat 7 and the fast roller bearing seat 3.
The invention also provides a flour mill, wherein the flour mill comprises a fast grinding roller, a slow grinding roller and the grinding roller supporting structure provided by the invention, wherein the slow grinding roller is assembled on the slow roller bearing seat 7, and the fast grinding roller is assembled on the fast roller bearing seat 3.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (15)
1. A grinding roller support structure, characterized in that the grinding roller support structure comprises a support (6), a housing (1) arranged on the support (6), and a grinding roller support device accommodated in the housing (1) and detachably fixedly connected to the support (6),
wherein the housing (1) is arranged to be openable;
the grinding roller supporting device comprises a base (5), a fast roller bearing seat (3) fixedly installed on the base (5) and a slow roller bearing seat (7) hinged to the base (5), and the base (5) is detachably and fixedly connected with a support (6).
2. A grating roll support structure according to claim 1, characterized in that the grating roll support device further comprises a roll gap adjustment device enabling clutching of the slow roll chock (7) and the fast roll chock (3) and adjustment of the roll gap between the slow roll chock (7) and the fast roll chock (3), wherein the roll gap adjustment device is connected to the fast roll chock (3) and the slow roll chock (7) and is located on the same side of the fast roll chock (3) and the slow roll chock (7).
3. A grating roller support structure according to claim 1, wherein the housing (1) comprises a fixed portion (13) hinged to a movable portion (11) of the fixed portion (13), a telescopic member (12) being arranged between the movable portion (11) and the fixed portion (13).
4. A grinding roll support structure according to claim 3, characterized in that an intermediate clamping plate (24) is covered between the fast roll bearing support (3) and the slow roll bearing support (7), and both ends of the intermediate clamping plate (24) are respectively formed with a first arc-shaped recess;
an outer clamping plate (25) covers the fast roller bearing seat (3), and a second arc-shaped concave part is formed at the end part of the outer clamping plate (25); or,
the inner wall surface of the movable part (11) is connected with an outer clamping plate (25), a second arc-shaped concave part is formed at the end part of the outer clamping plate (25), and when the movable part (11) is not opened, the outer clamping plate (25) covers a part of the fast roller bearing seat (3).
5. A grating roll support structure in accordance with claim 2, characterized in that the roll nip adjusting means comprises a clutching roll assembly enabling the slow roll chock (7) and the fast roll chock (3) to be rolled together or apart, a tie rod (22) and a roll nip adjusting assembly enabling the roll nip between the slow roll chock (7) and the fast roll chock (3) to be adjusted, wherein,
the rod body of the pull rod (22) penetrates through the slow roller bearing seat (7);
the clutch rolling assembly is arranged on the fast roll bearing seat (3) and connected with one end of the pull rod (22), and the rolling distance adjusting assembly is connected to the other end of the pull rod (22) and abutted against the slow roll bearing seat (7).
6. The grinding roll support structure of claim 5, wherein the clutched roll assembly comprises:
the first eccentric wheel (211) is arranged in a first circular hole of the fast roller bearing seat (3) and can rotate around the axis of the first circular hole in the first circular hole, and a second circular hole deviating from the wheel center is formed on the wheel body of the first eccentric wheel (211);
a driving member connected to the first eccentric (211) to be able to drive the first eccentric (211) in rotation;
one end of the wheel shaft (210) is arranged in the second round hole of the first eccentric wheel (211) and can rotate around the axis of the second round hole, and the other end of the wheel shaft (210) is in transmission connection with the pull rod (22);
wherein the driving component drives the first eccentric wheel (211) to rotate so as to drive the pull rod (22) to act through the wheel shaft (210) to roll the slow roll bearing seat (7) and the fast roll bearing seat (3) together or away.
7. A grating roller support structure according to claim 6, wherein the drive member comprises a swivel arm (212) having an end fixedly connected to the first eccentric (211).
8. A grating roller support structure according to claim 7, wherein the drive means further comprises a first telescopic cylinder (4), one end of the first telescopic cylinder (4) being hinged to the base (5) and the other end being hinged to one end of the swivel arm (212).
9. The grinding roll support structure of claim 6, wherein the clutched roll assembly further comprises:
one end of the tensioning frame (231) is connected with the pull rod (22), and the other end of the tensioning frame (231) is provided with a third round hole;
the second eccentric wheel (232) is installed in the third round hole and can rotate around the axis of the third round hole, and a fourth round hole deviating from the wheel center is formed in the wheel body of the second eccentric wheel (232);
wherein the other end of the wheel shaft (210) is fixedly assembled in the fourth round hole.
10. A grinding roll support structure according to claim 5, characterized in that the nip adjusting assembly comprises a tightening seat (213) and a first elastic member (214) and an adjusting nut (215), wherein the tightening seat (213) is sleeved on the pull rod (22) and one end is connected with the slow roll chock (7), the adjusting nut (215) is screwed on the pull rod (22), and the first elastic member (214) is sleeved on the pull rod (22) and two ends are respectively contacted with the tightening seat (213) and the adjusting nut (215).
11. A grinding roll support structure according to any one of claims 6 to 10, wherein the roll nip adjusting device further comprises a roll nip fine-adjusting assembly, wherein the roll nip fine-adjusting assembly comprises a fixed frame (26), a fine-adjusting screw (27), a fine-adjusting arm (28) and a pin nut (29), the fixed frame (26) is fixedly mounted on the upper portion of the fast roll chock (3), the fine-adjusting screw (27) is mounted on the fixed frame (26), one end of the fine-adjusting arm (28) is fixedly connected with the axle (210) and the other end is provided with a first pin hole, the pin nut (29) passes through the first pin hole and can rotate around the axis of the first pin hole, the end of the fine-adjusting screw (27) is in threaded connection with the pin nut (29), and the axis of the pin nut (29) is parallel to the axis of the axle (210), the axis of the pin shaft nut (29) is perpendicular to the axis of the fine adjustment screw rod (27).
12. A grating roller support structure as claimed in claim 11, wherein the mounting bracket (26) is provided with a second pin hole through which a screw pin (261) passes and is rotatable about an axis of the second pin hole, and the fine adjustment screw (27) passes through the screw pin (261), the axis of the screw pin (261) being parallel to the axis of the pin nut (29).
13. A grinding roll support structure according to claim 12, characterized in that the roll gap fine adjustment assembly further comprises a support frame (214) provided with a fifth round hole through which the fine adjustment screw (27) passes, and a second telescopic cylinder (215) mounted on the support frame (214), the support frame (214) is inserted into the fixing frame (26), the support frame (214) can rotate around the axis of the second pin shaft hole along with the fine adjustment screw (27), and a telescopic rod of the second telescopic cylinder (215) can push against the fine adjustment screw (27) to lock the fine adjustment screw (27).
14. A grating roller support structure according to claim 1, characterized in that a second resilient member (8) is arranged between the slow roller chock (7) and the fast roller chock (3).
15. Flour mill, characterized in that the flour mill comprises fast and slow grinding rollers and a grinding roller support structure according to any one of claims 1-14, wherein the slow grinding rollers are fitted to the slow roller chock (7) and the fast grinding rollers are fitted to the fast roller chock (3).
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| CN201510631152.6A CN106552691B (en) | 2015-09-29 | 2015-09-29 | Grinding roller bearing structure and milling machine |
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| CN201510631152.6A CN106552691B (en) | 2015-09-29 | 2015-09-29 | Grinding roller bearing structure and milling machine |
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| CN106552691B true CN106552691B (en) | 2020-04-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109331918B (en) * | 2018-11-29 | 2024-08-13 | 李拥军 | Crusher |
| CN110142087B (en) * | 2019-06-21 | 2021-08-03 | 绍兴文理学院 | High-pressure roller mill |
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| CN205095854U (en) * | 2015-09-29 | 2016-03-23 | 中粮工程装备（张家口）有限公司 | Grinding roller bearing structure and milling machine |
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| US5154364A (en) * | 1984-08-03 | 1992-10-13 | Buehler Ag | Grinding gap adjusting device for milling roller mills |
| CN1913969A (en) * | 2004-01-27 | 2007-02-14 | 魁珀恩开发有限公司 | One-sided double folding frame for roller presses |
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