CN106552692B - Grinding roller roll clearance adjusting mechanism and flour mill - Google Patents
Grinding roller roll clearance adjusting mechanism and flour mill Download PDFInfo
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- CN106552692B CN106552692B CN201510631155.XA CN201510631155A CN106552692B CN 106552692 B CN106552692 B CN 106552692B CN 201510631155 A CN201510631155 A CN 201510631155A CN 106552692 B CN106552692 B CN 106552692B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 235000013312 flour Nutrition 0.000 title claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction 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
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The invention discloses a kind of grinding roller roll clearance adjusting mechanism and flour mills, the grinding roller roll clearance adjusting mechanism includes crossbeam, the first roll bearing seat being fixedly installed in above the crossbeam and the second roll bearing seat being articulated with above the crossbeam, the axis of the roll shaft mounting hole of first roll bearing seat is parallel with the axis of roll shaft mounting hole of second roll bearing seat, and the grinding roller roll clearance adjusting mechanism further includes adjustment device, the adjustment device is connected to the same side of first roll bearing seat and the second roll bearing seat, it is rolled or with second roll bearing seat and first roll bearing seat can be made to close from rolling, and state is rolled in the conjunction or the roll clearance between first roll bearing seat and second roll bearing seat can be adjusted from when rolling state.Grinding roller roll clearance adjusting mechanism of the invention when replacing grinding roller can integral disassembly, assembly, improve the replacement efficiency of grinding roller, to reduce the off-time of factory, promote the economic benefit of factory.
Description
Technical Field
The invention relates to the field of grinding equipment, in particular to a grinding roller roll clearance adjusting mechanism and a flour mill.
Background
The flour mill is used for grinding and processing grain substances such as grains, wherein the flour mill adopts a cylinder to push a rotating arm, and the rotating arm drives an eccentric wheel to rotate so as to realize the on-off rolling of a grinding roller. However, in the prior art in which the eccentric wheel is installed below the cross beam for mounting the second roll chock 14, the cylinder and the swivel arm must also be below the second roll chock 14, and the roll nip adjusting assembly is provided at the upper portion of the cross beam, resulting in an excessively dispersed entire adjusting structure. When the grinding roller is replaced, the grinding roller needs to be disassembled and assembled, so that the flour mill stops production for a long time, and the economic benefit of the flour mill is influenced.
In view of the above-mentioned shortcomings of the prior art, there is a need to provide a new roll gap adjustment mechanism for a grinding roll.
Disclosure of Invention
The invention aims to provide a grinding roller roll gap adjusting mechanism capable of being integrally disassembled and assembled.
In order to achieve the above object, the present invention provides a rolling distance adjusting mechanism for a grinding roller, which comprises a cross beam, a first roller bearing seat fixedly mounted above the cross beam, and a second roller bearing seat hinged above the cross beam, wherein an axis of a roller shaft mounting hole of the first roller bearing seat is parallel to an axis of a roller shaft mounting hole of the second roller bearing seat, and the rolling distance adjusting mechanism further comprises an adjusting device connected to the same side of the first roller bearing seat and the second roller bearing seat so as to enable the second roller bearing seat and the first roller bearing seat to roll together or away from each other, and to adjust a rolling distance between the first roller bearing seat and the second roller bearing seat in a rolling state or a rolling away state.
Preferably, the adjusting device comprises a clutch rolling assembly capable of enabling the second roll bearing seat and the first roll bearing seat to be rolled in or out, a pull rod and a roll distance adjusting assembly capable of adjusting the roll distance between the first roll bearing seat and the second roll bearing seat, wherein,
the rod body of the pull rod penetrates through the second roller bearing seat;
the clutch rolling assembly is arranged on the first 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 second roller bearing seat.
Preferably, the clutching roll assembly comprises:
the first eccentric wheel is arranged in the first round hole of the first roller bearing seat 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 second roller bearing seat and the first roller bearing seat are in rolling engagement or in rolling disengagement.
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 with the cross beam, and the other end of the first telescopic cylinder is hinged with 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, the roll clearance adjusting assembly comprises a tensioning seat, a first elastic piece and an adjusting nut, wherein the tensioning seat is sleeved on the pull rod, one end of the tensioning seat is in contact with the second roller seat, the adjusting nut is in threaded fit on the pull rod, the first elastic piece is sleeved on the pull rod, and two ends of the first elastic piece are in contact with the tensioning seat and the adjusting nut respectively.
Preferably, the 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 first 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 fine.
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 disposed between the first roll chock and the second roll chock.
In addition, the invention also provides a flour mill which comprises a fast grinding roller, a slow grinding roller and the grinding roller roll distance adjusting mechanism, wherein the fast grinding roller is assembled on the first roller bearing seat, and the slow grinding roller is assembled on the second roller bearing seat.
Among the above-mentioned technical scheme, through connecting adjusting device in the same side of first roller bearing frame and second roller bearing frame, for example, set up the top in the same side of first roller bearing frame and second roller bearing frame, and can adjust the roll distance between first roller bearing frame and the second roller bearing frame when closing the state of rolling or from rolling the state, thereby can whole dismouting when changing the grinding roller, improve the change efficiency of grinding roller, in order to reduce the off-stream time of mill, promote the economic benefits of mill.
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 block diagram of a grinding roll nip adjusting mechanism of the present invention;
fig. 2 is a structural view of the components of the present invention connected to the wheel axle.
Wherein,
1 fine adjustment screw rod 2 hand wheel
3 second telescopic cylinder 4 fixing frame
5 rotating arm 6 limit screw
7 pin shaft nut 8 second eccentric wheel
9 vernier arm 10 wheel axle
11 first eccentric wheel 12 tensioning frame
13 draw bar 14 second roll bearing seat
15 tensioning seat 16 first elastic element
17 adjusting nut 18 crossbeam
19 mounting pin 20 second elastic element
21 first roll chock 22 first telescoping cylinder
23 screw bolt and 24 pin support
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 description of the present invention, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The invention provides a grinding roller roll distance adjusting mechanism, which comprises a cross beam 18, a first roller bearing seat 21 fixedly arranged above the cross beam 18 and a second roller bearing seat 14 hinged above the cross beam 18, wherein the axis of a roller shaft mounting hole of the first roller bearing seat 21 is parallel to the axis of a roller shaft mounting hole of the second roller bearing seat 14, the grinding roller roll distance adjusting mechanism also comprises an adjusting device, the adjusting device is connected to the same side of the first roller bearing seat 21 and the second roller bearing seat 14, for example, as shown in figure 1, the adjusting device is arranged above the first roller bearing seat 21 and the second roller bearing seat 14 so as to enable the second roller bearing seat 14 and the first roller bearing seat 21 to be co-rolled or separated from each other, and can adjust the roll distance between the first roller bearing seat 21 and the second roller bearing seat 14 in a co-rolling state or a separated rolling state, thereby being capable of being integrally disassembled and assembled when the grinding roller is replaced, the replacement efficiency of the grinding roller is improved, the production stop time of a factory is reduced, and the economic benefit of the factory is improved.
Specifically, as shown in fig. 1, the adjusting device includes a clutch rolling assembly capable of engaging or disengaging the second roll chock 14 with or from the first roll chock 21, a pull rod 13, and a roll gap adjusting assembly capable of adjusting a roll gap between the first roll chock 21 and the second roll chock 14. Wherein the second roller bearing block 14 is hinged to the cross beam 18 by means of a mounting pin 19. The rod body of the pull rod 13 penetrates through the second roller bearing seat 14; the clutch rolling component is arranged on the first roller bearing seat 21 and is connected with one end of the pull rod 13, and the rolling distance adjusting component is connected with the other end of the pull rod 13 and abuts against the second roller bearing seat 14. The clutch rolling assembly and the rolling distance adjusting assembly are matched with each other so that the second roll bearing seat 14 and the first roll bearing seat 21 can be rolled together or separated, and the rolling distance between the first roll bearing seat 21 and the second roll bearing seat 14 can be adjusted in a combined rolling state or a separated rolling state. Meanwhile, the clutch rolling assembly and the rolling distance adjusting assembly are arranged above the cross beam 18, so that the grinding roller can be integrally disassembled and assembled when being replaced.
As a preferred embodiment, the clutch assembly comprises a first eccentric 11, a driving member and an axle 10. The first eccentric wheel 11 is arranged in a first circular hole of the first roller bearing seat 21 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 11. The drive member is connected to the first eccentric 11 to be able to drive the first eccentric 11 in rotation. One end of the wheel shaft 10 is arranged in a second round hole of the first eccentric wheel 11 and can rotate around the axis of the second round hole, and the other end of the wheel shaft 10 is in transmission connection with the pull rod 13. Wherein, the driving component drives the first eccentric wheel 11 to rotate so as to drive the pull rod 13 to act through the wheel shaft 10 to make the second roller bearing seat 14 and the first roller bearing seat 21 to be rolled together or separated.
The driving member may be in various forms, and may be configured to drive the first eccentric wheel 11 to rotate around the axis of the first circular hole. In the present embodiment, the driving means preferably comprise a tumbler 5, the end of which is fixedly connected to the first eccentric 11, the tumbler 5 driving the first eccentric 11 in rotation. Wherein, the first roller bearing seat 21 is provided with a limit screw 6, and the limit screw 6 can limit the rotation range of the rotating arm 5. In addition, the driving means comprise a first telescopic cylinder 22, one end of which 22 is hinged to the cross beam 18 and the other end is hinged to one end of the pivoted arm 5, so that the first eccentric 11 can be regularly rotated and the mill can be regularly rolled and rolled.
In addition, as shown in fig. 2, the clutch rolling assembly further comprises a tensioning frame 12 and a second eccentric wheel 8. One end of the tensioning frame 12 is connected with the pull rod 13, and the other end of the tensioning frame 12 is provided with a third round hole. The second eccentric wheel 8 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 8. Wherein the other end of the wheel axle 10 is fixedly fitted in the fourth circular hole. The rotation generated by the first eccentric 11 by the driving means is transmitted to the tie rod 13 after the conversion of the axle 10, the second eccentric 8 and the tightening bracket 12, so that the mill can regularly perform the rolling and the rolling.
As a preferred embodiment, the roll clearance adjusting assembly includes a tightening base 15, a first elastic member 16 and an adjusting nut 17, wherein the tightening base 15 is sleeved on the pull rod 13 and has one end contacting the second roller bearing seat 14, the adjusting nut 17 is screwed on the pull rod 13, and the first elastic member 16 is sleeved on the pull rod 13 and has two ends contacting the tightening base 15 and the adjusting nut 17, respectively. In the off-rolling state, the position of the second roll chock 14 relative to the tension rod 13 can be adjusted by rotating the adjusting nut 17, and the rolling distance between the first roll chock 21 and the second roll chock 14 can be adjusted. The first elastic member 16 may be a spring or a rubber sleeve, and in this embodiment, the first elastic member 16 is a disc spring. One end of the tensioning seat 15, which is in contact with the second roller bearing seat 14, is provided with a convex block, while the end face of the tensioning seat 15, which is in contact with the second roller bearing seat 14, is provided with a concave block corresponding to the convex block, so that a reliable force transmission path is formed between the tensioning seat 15 and the second roller bearing seat 14 through the matching of the convex block and the concave block.
Further, the adjusting device further comprises a roll distance fine adjustment assembly, wherein the roll distance fine adjustment assembly comprises a fixing frame 4, a fine adjustment screw rod 1, a fine adjustment arm 9 and a pin shaft nut 7, the fixing frame 4 is fixedly installed on the upper portion of the first roller bearing seat 21, the fine adjustment screw rod 1 is installed on the fixing frame 4, one end of the fine adjustment arm 9 is fixedly connected with the wheel shaft 10, a first pin shaft hole is formed in the other end of the fine adjustment arm, the pin shaft nut 7 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 adjustment screw rod 1 is in threaded connection with the pin shaft nut 7, the axis of the pin shaft nut 7 is parallel to the axis of the wheel shaft 10, and. By rotating the fine adjustment screw 1, the included angle between the fine adjustment screw 1 and the fine adjustment arm 9 can be adjusted. Referring to fig. 2, since the vernier arm 9 is fixedly connected with the second eccentric 8 through the wheel shaft 10, the adjustment of the included angle between the vernier screw 1 and the vernier arm 9 can be transmitted to the tightening frame 12 through the conversion of the second eccentric 8, so as to change the roll distance between the first roll chock 21 and the second roll chock 14.
In addition, a second pin shaft hole is formed in the fixing frame 4, the screw pin shaft 23 penetrates through the second pin shaft hole and can rotate around the axis of the second pin shaft hole, the fine adjustment screw 1 penetrates through the screw pin shaft 23, and the axis of the screw pin shaft 23 is parallel to the axis of the pin shaft nut 7, so that when the fine adjustment screw 1 rotates around the pin shaft nut 7, the fine adjustment screw 1 can adaptively rotate relative to the fixing frame 4, and the fixing frame 4 does not interfere with the rotation of the fine adjustment screw 1. The free end of the fine adjustment screw rod 1 is provided with a hand wheel 2, and an operator rotates the fine adjustment screw rod 1 by rotating the hand wheel 2.
Further, roll distance fine setting subassembly is still including the support frame 24 that is provided with the fifth round hole and install the second telescoping cylinder 3 on support frame 24, and fine setting screw 1 passes the fifth round hole, and support frame 24 is pegged graft with mount 4, and support frame 24 can be rotatory around the axis in second round pin shaft hole along with fine setting screw 1, and the telescopic link of second telescoping cylinder 3 can push up and touch fine setting screw 1 is in order to carry out the locking to fine setting screw 1. Wherein, the axis of fifth round hole is parallel with fine setting screw 1's axis, and the flexible direction of second telescoping cylinder 3 is perpendicular with fine setting screw 1's axis to second telescoping cylinder 3 can be well with fine setting screw 1 joint when the state of stretching out, prevents that fine setting screw 1 from rotating in normal production and making the crocus particle diameter not meet the production requirement. Wherein, the first telescopic cylinder 22 and the second telescopic cylinder 3 can be both air cylinders or hydraulic cylinders.
In the preferred embodiment, a second elastic member 20 is disposed between the first roll chock 21 and the second roll chock 14, the second elastic member 20 may be a spring, and the second elastic member 20 can play a role of buffering during the rolling process of the first roll chock 21 and the second roll chock 14.
The technical scheme of the invention is further explained by describing the operation process of the grinding roller roll gap adjusting mechanism.
The first telescopic cylinder 22 stretches and retracts to drive the rotating arm 5 and the first eccentric wheel 11 to rotate around the axis of the first round hole, the second round hole generates certain displacement, the wheel shaft 10 generates the same displacement in the second round hole, the wheel shaft 10 drives the second eccentric wheel 8 to generate the same displacement, the second eccentric wheel 8 is installed on the tensioning frame 12, the pulling frame 12 drives the pull rod 13 to generate the same displacement, and the tensioning seat 15 at one end of the pull rod 13 pulls the second roller bearing seat 14 to enable the grinding rollers to roll away from each other or to roll together.
The first telescopic cylinder 22 is contracted into a co-rolling state, a limit screw 6 arranged on the first roller bearing seat 21 is supported under the rotating arm 5, the descending amplitude of the rotating arm 5 and the contraction length of the first telescopic cylinder 22 are adjusted, and the gap between the grinding rollers is ensured to be fixed after co-rolling.
After the flour is rolled, the required gaps of different flours are different, and fine adjustment is needed. Specifically, the hand wheel 2 is rotated, the fine adjustment screw 1 is rotated, and the fine adjustment screw 1 is displaced relative to the fine adjustment arm 9 to adjust an included angle between the fine adjustment screw 1 and the fine adjustment arm 9. The vernier arm 9 rotates around the wheel shaft 10, thereby driving the second eccentric wheel 8 to rotate. The second eccentric wheel 8 rotates around the axis of the third round hole, so that the fourth round hole generates certain displacement. The tensioning bracket 12 follows the second eccentric 8 and is displaced in the same way, and pulls the tension rod 13 and the tensioning base 15, so that the gap between the grinding rollers is adjusted.
After the roll gap is finely adjusted, the shaft head of the second telescopic cylinder 3 extends out to be propped against the fine adjustment screw rod 1, so that the fine adjustment screw rod 1 cannot rotate, and the roll gap is prevented from changing.
During the operation of the pulverizer, large stones or screws and the like possibly doped in flour enter the grinding rollers to enable the gaps of the grinding rollers to be suddenly increased, and at the moment, the second roller bearing seats 14 overcome the pressure of the first elastic pieces 16 to generate backward displacement, so that large foreign matters can pass through, and the components of the pulverizer are prevented from being damaged. After the foreign matter passes through the first elastic member 16, the original pre-pressure is restored, so that the pulverizer normally works.
In addition, the invention also provides a flour mill which comprises a fast grinding roller, a slow grinding roller and the grinding roller roll distance adjusting mechanism, wherein the fast grinding roller is assembled on the first roller bearing seat 21, and the slow grinding roller is assembled on the second roller bearing seat 14.
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 features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail 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 (9)
1. The grinding roller roll distance adjusting mechanism is characterized by comprising a cross beam (18), a first roller bearing seat (21) fixedly installed above the cross beam (18) and a second roller bearing seat (14) hinged above the cross beam (18), wherein the axis of a roller shaft installation hole of the first roller bearing seat (21) is parallel to the axis of a roller shaft installation hole of the second roller bearing seat (14), the grinding roller roll distance adjusting mechanism further comprises an adjusting device which is connected to the same side of the first roller bearing seat (21) and the second roller bearing seat (14) so as to enable the second roller bearing seat (14) and the first roller bearing seat (21) to be rolled together or separated, and can adjust the roll distance between the first roller bearing seat (21) and the second roller bearing seat (14) in a combined rolling state or a separated rolling state,
wherein, adjusting device includes can make second roll bearing frame (14) and first roll bearing frame (21) close the roll or roll off the clutch roll subassembly and pull rod (13) of rolling, the body of rod of pull rod (13) passes second roll bearing frame (14), the clutch roll subassembly includes:
the first eccentric wheel (11) is arranged in a first round hole of the first roller bearing seat (21) 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 on the wheel body of the first eccentric wheel (11);
the driving component comprises a first telescopic cylinder (22) and a rotating arm (5), one end of the first telescopic cylinder (22) is hinged with the cross beam (18) and the other end of the first telescopic cylinder is hinged with one end of the rotating arm (5), and the end part of the rotating arm (5) is fixedly connected with the first eccentric wheel (11) so as to drive the first eccentric wheel (11) to rotate;
one end of the wheel shaft (10) is arranged in the second round hole of the first eccentric wheel (11) and can rotate around the axis of the second round hole, and the other end of the wheel shaft (10) is in transmission connection with the pull rod (13);
the driving component drives the first eccentric wheel (11) to rotate so as to drive the pull rod (13) to act through the wheel shaft (10) to roll the second roll bearing seat (14) and the first roll bearing seat (21) together or away.
2. A grinding roll nip adjusting mechanism according to claim 1, characterized in that the adjusting device comprises a nip adjusting assembly capable of adjusting the nip between the first roll chock (21) and the second roll chock (14), the clutch pack being provided on the first roll chock (21) and being connected to one end of the pull rod (13), the nip adjusting assembly being connected to the other end of the pull rod (13) and abutting against the second roll chock (14).
3. The grinding roll nip adjusting mechanism of claim 2, wherein said clutching roll assembly further comprises:
one end of the tensioning frame (12) is connected with the pull rod (13), and the other end of the tensioning frame (12) is provided with a third round hole;
the second eccentric wheel (8) is mounted 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 (8);
and the other end of the wheel shaft (10) is fixedly assembled in the fourth round hole.
4. A grinding roll nip adjusting mechanism according to claim 2, wherein the nip adjusting assembly comprises a tightening seat (15), a first elastic member (16) and an adjusting nut (17), wherein the tightening seat (15) is sleeved on the pull rod (13) and one end of the tightening seat is in contact with the second roll bearing seat (14), the adjusting nut (17) is in threaded fit on the pull rod (13), and the first elastic member (16) is sleeved on the pull rod (13) and two ends of the first elastic member are in contact with the tightening seat (15) and the adjusting nut (17), respectively.
5. A grinding roll nip adjusting mechanism according to any one of claims 2 to 4, characterized in that the adjusting device further comprises a roll nip fine-adjusting assembly, wherein the roll nip fine-adjusting assembly comprises a fixed frame (4), a fine-adjusting screw (1), a fine-adjusting arm (9) and a pin nut (7), the fixed frame (4) is fixedly arranged at the upper part of the first roll bearing seat (21), the fine-adjusting screw (1) is arranged on the fixed frame (4), one end of the fine-adjusting arm (9) is fixedly connected with the axle (10) and the other end is provided with a first pin hole, the pin nut (7) passes through the first pin hole and can rotate around the axis of the first pin hole, the end part of the fine-adjusting screw (1) is in threaded connection with the pin nut (7), and the axis of the pin nut (7) is parallel to the axis of the axle (10), the axis of the pin shaft nut (7) is perpendicular to the axis of the fine adjustment screw rod (1).
6. A grinding roll nip adjusting mechanism according to claim 5, wherein the fixing frame (4) is provided with a second pin shaft hole, a screw pin shaft (23) passes through the second pin shaft hole and can rotate around the axis of the second pin shaft hole, the fine adjustment screw (1) passes through the screw pin shaft (23), and the axis of the screw pin shaft (23) is parallel to the axis of the pin shaft nut (7).
7. A grinding roller roll nip adjusting mechanism according to claim 6, characterized in that the roll nip fine-tuning assembly further comprises a support frame (24) provided with a fifth round hole and a second telescopic cylinder (3) installed on the support frame (24), the fine-tuning screw (1) passes through the fifth round hole, the support frame (24) is inserted into the fixing frame (4), the support frame (24) can rotate around the axis of the second pin shaft hole along with the fine-tuning screw (1), and the telescopic rod of the second telescopic cylinder (3) can push against the fine-tuning screw (1) to lock the fine-tuning screw (1).
8. A grinding roll nip adjusting mechanism according to claim 1, characterized in that a second resilient member (20) is provided between the first roll chock (21) and the second roll chock (14).
9. Flour mill, characterized in that the flour mill comprises fast and slow grinding rolls and a grinding roll nip adjustment mechanism according to any one of claims 1-8, wherein the fast grinding rolls are fitted to the first roll chock (21) and the slow grinding rolls are fitted to the second roll chock (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510631155.XA CN106552692B (en) | 2015-09-29 | 2015-09-29 | Grinding roller roll clearance adjusting mechanism and flour mill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510631155.XA CN106552692B (en) | 2015-09-29 | 2015-09-29 | Grinding roller roll clearance adjusting mechanism and flour mill |
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| CN106552692A CN106552692A (en) | 2017-04-05 |
| CN106552692B true CN106552692B (en) | 2019-06-07 |
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| CN201510631155.XA Active CN106552692B (en) | 2015-09-29 | 2015-09-29 | Grinding roller roll clearance adjusting mechanism and flour mill |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107457033B (en) * | 2017-08-23 | 2023-08-15 | 深圳市中毅科技有限公司 | Precise control type three-roller grinding machine |
| CN110756272A (en) * | 2019-10-18 | 2020-02-07 | 陕西理工大学 | Pneumatic and manual integrated roll clearance adjusting system of konjac fine grinding machine |
| CN111215188A (en) * | 2019-11-04 | 2020-06-02 | 河北苹乐面粉机械集团有限公司 | Roll gap adjusting device of roller type flour mill |
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| CN205095855U (en) * | 2015-09-29 | 2016-03-23 | 中粮工程装备（张家口）有限公司 | Grinding roller rolling distance adjustment mechanism and milling machine |
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