CN115972147B

CN115972147B - Dismounting device for peeling roller of corn harvester

Info

Publication number: CN115972147B
Application number: CN202310264421.4A
Authority: CN
Inventors: 张军涛
Original assignee: Laizhou Jindawei Machinery Co ltd
Current assignee: Laizhou Jindawei Machinery Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-05-26
Anticipated expiration: 2043-03-20
Also published as: CN115972147A

Abstract

The invention discloses a dismounting device for a peeling roller of a corn harvester, which relates to the technical field of dismounting devices for peeling rollers, wherein a positioning plate is provided with a first positioning hole, and a plurality of first connecting pieces are uniformly and fixedly connected with the positioning plate along the circumferential direction of the first positioning hole; the fixed plate is provided with a thread groove, the fixed plate is further provided with a first chute which is connected to the thread groove in a penetrating way, the thread groove is connected with an operation block in a threaded way, the operation block is provided with a second positioning hole, the first chute is connected with a clamping block in a sliding way, the clamping block is provided with a yielding groove, one end of a first connecting rod, which is far away from the clamping block, is connected with a first nut in a threaded way, one end of the first locking chain is fixedly connected with the first connecting rod, and the other end of the first locking chain is detachably connected to a first connecting piece. According to the invention, the operation block is rotated through the force arm, the fixing pin is disassembled, and the operation block is reversed, so that the clamping block and the compression cover can be taken out from the first sliding groove and the threaded groove, and a new rubber sleeve with patterns is conveniently put into the first sliding groove, so that the operation is simple and the use is convenient.

Description

Dismounting device for peeling roller of corn harvester

Technical Field

The invention relates to the technical field of peeling roller dismounting devices, in particular to a dismounting device for a peeling roller of a corn harvester.

Background

In the prior art, most of self-propelled corn harvesters have a peeling function, and thus, are basically provided with a peeling machine. The huskers generally include active and passive husking rollers arranged in parallel, and the husking process is performed on the corn by rotating the husking members on the active and passive husking rollers. The integral structure of the peeling roller in the prior art is that the cast iron roller and/or the rubber sleeve are/is sleeved by the mounting shaft, the pressing covers at the two ends are pressed and the pressing covers are limited by the fixing pins, and the mounting shaft and the rubber sleeve arranged on the periphery of the mounting shaft are in interference fit, so that a plurality of short rubber sleeves are usually adopted to be respectively and sequentially mounted on the longer mounting shaft, the mounting difficulty is reduced, and meanwhile, the plurality of short rubber sleeves are convenient to replace due to different abrasion degrees of the rubber sleeves at different positions.

Patent document CN106181359a discloses a dismounting device for a corn harvester peeling roller, comprising a first supporting part for supporting a first end of the peeling roller, a second supporting part for supporting a second end of the peeling roller, and a bar for clamping the peeling roller between the first supporting part and the second supporting part, the bar connecting the first supporting part and the second supporting part together and being capable of changing the distance between the first supporting part and the second supporting part, wherein a pressing cover on a mounting shaft is pressed by the first supporting part and the second supporting part with the changed distance, thereby facilitating dismounting of a fixing pin and replacement.

However, the above invention has the following disadvantages: when in actual use, the dismounting of the pressing cover can be conveniently realized, the dismounting and mounting are needed to be carried out respectively, meanwhile, the mounting and dismounting power mechanism is realized through the screw rod and the nut, so that the dismounting is very complicated, the plurality of short rubber sleeves are in interference fit with the mounting shaft, the actual mounting process is difficult, and particularly, when only part of the short rubber sleeves are dismounted, the problem that the plurality of mounted short rubber sleeves prevent the sleeving of new rubber sleeves and the resistance is large exists, so that the dismounting device for the peeling roller of the corn harvester is provided.

Disclosure of Invention

The invention aims to provide a dismounting device for a corn harvester peeling roller, which aims to solve the problems that the dismounting and mounting of the peeling roller in the background technology are required to be respectively dismounted and mounted again, are very complicated and the actual mounting process is difficult.

The technical scheme of the invention is as follows: a dismouting device for maize picker peeling roller, including positioning mechanism and detaching mechanism, wherein:

the positioning mechanism comprises a positioning plate, a first positioning hole is formed in the positioning plate, and a plurality of first connecting pieces are uniformly and fixedly connected to the positioning plate along the circumferential direction of the first positioning hole;

the dismounting mechanism comprises a fixing plate, an operation block, a clamping block and a first connecting rod, wherein the fixing plate is provided with a threaded groove, the fixing plate is further provided with a first sliding groove which is connected with the threaded groove in a penetrating mode, the threaded groove is connected with the operation block in a threaded mode, the operation block is provided with a second positioning hole, the second positioning hole is a blind hole, the first sliding groove is connected with the clamping block in a sliding mode, the clamping block is provided with a yielding groove, the fixing plate corresponds to the position of the first connecting piece, a first through hole is formed in the fixing plate, the first connecting rod penetrates through and is connected with the first through hole, one end of the first connecting rod, which is far away from the clamping block, is provided with a first nut in a threaded mode, the first connecting rod is close to one end of the clamping block, is fixedly connected with a first connecting ring, one end of the first connecting ring is fixedly connected with a first lock chain, and the other end of the first lock chain is detachably connected with the first connecting piece.

Preferably, the operation piece fixedly connected with arm of force, the joint piece is kept away from the one end fixedly connected with rubber circle of operation piece.

Preferably, the device further comprises a mounting mechanism, wherein the mounting mechanism comprises two connecting half sleeves, two clamping half sleeves and a second connecting rod, the two connecting half sleeves and the two clamping half sleeves are used in a matched mode, the clamping half sleeves are arranged in the connecting half sleeves, protrusions are arranged on the inner sides of the clamping half sleeves, and the two connecting half sleeves are connected through fasteners.

Preferably, the fastener is a connecting fixture block.

Preferably, a driving plate is fixedly connected to the outer side of the clamping half sleeve, a second through hole is formed in the driving plate, a second connecting rod is connected to the second through hole in a penetrating mode, a second nut is connected to one end, far away from the positioning mechanism, of the second connecting rod in a threaded mode, a second connecting ring is fixedly connected to one end, close to the positioning mechanism, of the second connecting rod, and one end of a second lock chain is fixedly connected to the second connecting ring;

the positioning mechanism further comprises a mounting plate and a driving cylinder, one end of the positioning plate, which is far away from the first positioning hole, is fixedly connected with one end of the driving cylinder, the output end of the driving cylinder is fixedly connected with the mounting plate, the mounting plate corresponds to the second connecting rod, the second connecting piece is fixedly connected with the position of the second connecting rod, the positioning plate corresponds to the position of the second connecting piece, a yielding hole is formed in the position of the positioning plate, and one end of the second chain, which is far away from the second connecting ring, passes through the yielding hole and is detachably connected to the second connecting piece.

Preferably, the second chute has been seted up to the half cover of connection, the half cover fixedly connected with sliding block of joint, sliding block slidable ground is connected to the second chute, sliding block fixedly connected with bracing piece, the half ring board of half cover fixedly connected with installation of connection, the half ring board of installation corresponds the position of bracing piece has seted up spacing hole, bracing piece slidable connection to spacing hole, the outside in spacing hole is provided with the mechanism that shifts, the mechanism that shifts is used for changing the operating condition in spacing hole.

Preferably, the position changing mechanism comprises a limiting block, the limiting block is rotatably connected to the mounting semi-annular plate, a third sliding groove is formed in the mounting semi-annular plate, a matching sliding block is slidably connected to the third sliding groove, the matching sliding block is fixedly connected with a connecting shaft, a long waist hole is further formed in the limiting block, the connecting shaft is slidably connected to the long waist hole, and the limiting block is used for changing the working state of the limiting hole, wherein:

when the limiting hole is in the first working state, the limiting block is not overlapped with the projection surface of the limiting hole in the horizontal direction;

when the limiting hole is in the second working state, an overlapping area exists between the limiting block and the projection surface of the limiting hole in the horizontal direction.

Preferably, the end face of the sliding block is fixedly connected with a rubber pad.

Preferably, one end of an extension spring is fixedly connected in the third sliding groove, and the other end of the extension spring is fixedly connected to the matching sliding block.

Preferably, the positioning plate is fixedly connected with a guide rod, a guide hole is formed in the position, corresponding to the guide rod, of the mounting plate, and the guide rod is slidably connected to the guide hole.

The invention provides a dismounting device for a corn harvester peeling roller through improvement, which has the following improvement and advantages compared with the prior art:

the method comprises the following steps: according to the invention, the chain links of the first chain are connected to the first connecting piece in a hanging manner, the first nuts are rotated, so that the first chains can be straightened and uniformly stressed, then the operation blocks are rotated through the force arms, the clamping blocks are pushed by the operation blocks, so that the pressing cover is pressed, the fixing pins are convenient to detach, then the operation blocks can be reversed, the clamping blocks and the pressing cover can be taken out from the first sliding groove and the thread groove, a new textured rubber sleeve is also convenient to put into the first sliding groove, the textured rubber sleeve can be pushed in an auxiliary manner through further matching of the operation blocks and the clamping blocks, and the rubber ring can provide more stable pressure and prevent the textured rubber sleeve from being damaged.

And two,: according to the invention, the two connecting half sleeves and the two clamping half sleeves are buckled on the adjacent textured rubber sleeves, and the connecting half sleeves are clamped through the connecting clamping blocks, so that one textured rubber sleeve can be independently stressed and moved, and the process is sequentially carried out until all textured rubber sleeves are moved, so that new textured rubber sleeves can be conveniently installed from the end parts of the installation shafts, and the stress among all textured rubber sleeves is more uniform.

And thirdly,: according to the invention, after the limiting block moves along with one textured rubber sleeve and is separated from the adjacent textured rubber sleeve, the matching sliding block is driven to move, the connecting shaft is driven to move, so that the limiting block is driven to rotate, the limiting block leaves the position area where the limiting hole is located, meanwhile, the limiting block is located on the end face of the textured rubber sleeve, the supporting rod passes through the limiting hole along with the limiting block, the sliding block slides in the second sliding groove, so that the clamping half sleeve loses driving effect until the limiting block is contacted with the end face of the textured rubber sleeve, the textured rubber sleeve is driven from the end face, and extra damage to the outer surface of the textured rubber sleeve caused by the clamping half sleeve can be avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a corn harvester stripper roll construction;

FIG. 2 is a schematic diagram of the position relationship structure of the present invention;

FIG. 3 is a schematic diagram of an axial structure of the positioning mechanism of the present invention;

FIG. 4 is a schematic diagram of an axial structure of a dismounting mechanism according to the invention;

FIG. 5 is a schematic view of another axial structure of the dismounting mechanism of the invention;

FIG. 6 is a schematic cross-sectional view of a disassembling mechanism according to the present invention;

FIG. 7 is a schematic diagram of an axial structure of the mounting mechanism of the present invention;

fig. 8 is a schematic diagram of another axial structure of the mounting mechanism of the present invention.

Reference numerals:

1. a peeling roller; 11. a mounting shaft; 12. a rubber sleeve with patterns; 13. a pressing cover; 14. a fixing pin; 2. a positioning mechanism; 21. a positioning plate; 211. a first positioning hole; 212. a first connector; 213. a relief hole; 214. a guide rod; 22. a mounting plate; 221. a second connector; 23. a drive cylinder; 3. a dismounting mechanism; 31. a fixing plate; 311. a thread groove; 312. a first chute; 32. an operation block; 321. a second positioning hole; 322. force arm; 33. a clamping block; 331. a relief groove; 34. a first connecting rod; 341. a first nut; 342. a first connection ring; 343. a first chain; 4. a mounting mechanism; 41. the half sleeve is connected; 411. a driving plate; 413. a second chute; 42. clamping the half sleeve; 421. a sliding block; 422. a rubber pad; 423. a support rod; 43. a second connecting rod; 431. a second nut; 432. a second connecting ring; 433. a second chain; 44. installing a semi-annular plate; 441. a third chute; 442. matching with a sliding block; 443. a limiting block; 444. a long waist hole; 445. a connecting shaft; 446. a limiting hole; 45. and connecting the clamping blocks.

Detailed Description

The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1 to 8, an embodiment of the present invention provides a dismounting device for a peeling roller of a corn harvester, which includes a positioning mechanism 2 and a dismounting mechanism 3, wherein:

the positioning mechanism 2 comprises a positioning plate 21, wherein a first positioning hole 211 is formed in the positioning plate 21, and a plurality of first connecting pieces 212 are uniformly and fixedly connected to the positioning plate 21 along the circumferential direction of the first positioning hole 211;

the dismounting mechanism 3 comprises a fixed plate 31, an operation block 32, a clamping block 33 and a first connecting rod 34, wherein the fixed plate 31 is provided with a threaded groove 311, the fixed plate 31 is further provided with a first sliding groove 312 which is connected to the threaded groove 311 in a penetrating way, the threaded groove 311 is connected with the operation block 32 in a threaded way, the operation block 32 is provided with a second positioning hole 321, the second positioning hole 321 is a blind hole, the first sliding groove 312 is slidably connected with the clamping block 33, the clamping block 33 is provided with a yielding groove 331, the fixed plate 31 is provided with a first through hole corresponding to the position of the first connecting piece 212, the first connecting rod 34 is connected to the first through hole in a penetrating way, one end of the first connecting rod 34, far away from the clamping block 33, is connected with a first nut 341 in a threaded way, one end of the first connecting rod 34, close to the clamping block 33, is fixedly connected with a first connecting ring 342, one end of the first connecting ring 343 is connected with a first lock chain, and the other end of the first lock chain 343 is detachably connected to the first connecting piece 212.

The operation piece 32 is fixedly connected with a force arm 322, and one end of the clamping piece 33 away from the operation piece 32 is fixedly connected with a rubber ring.

Working principle: the peeling roller 1 of the corn harvester comprises a mounting shaft 11, a textured rubber sleeve 12, a pressing cover 13 and a fixing pin 14, wherein the mounting shaft 11 is connected with the textured rubber sleeves 12 in an interference fit manner, the pressing covers 13 are slidably connected to the two ends of the mounting shaft 11, the pressing covers 13 are used for pressing the textured rubber sleeves 12, and the fixing pin 14 is used for limiting the pressing covers 13;

when the elastic rubber sleeve is used, one end of the mounting shaft 11 is placed in the first positioning hole 211 of the positioning mechanism 2, the dismounting mechanism 3 is placed at the other end of the mounting shaft 11, the clamping block 33 is placed in the first sliding groove 312, the yielding groove 331 of the clamping block 33 is located at the fixing pin 14, the operating block 32 is screwed into the threaded groove 311, the other end of the mounting shaft 11 is mounted in the second positioning hole 321, the other end of the mounting shaft 11 is connected to the first connecting piece 212 in a hanging manner through the chain ring of the first chain 343, the first nut 341 is rotated, the first chain 343 can be straightened and uniformly stressed, then the operating block 32 is rotated through the arm 322, the operating block 32 is enabled to push the clamping block 33, so that the pressing cover 13 is pressed, the pressing cover 13 further presses the rubber sleeve 12, the fixing pin 14 is not pressed any more, the front condition can be provided for installing a new rubber sleeve with the aid of a tool or manually dismantling the fixing pin 14, then the operating block 32 can be reversed, the clamping block 33 and the pressing cover 13 can be pulled out of the first sliding groove 312 and the threaded groove 311, the new rubber sleeve can also be conveniently put into the rubber sleeve 12 from the first sliding groove 312, and the rubber sleeve can be further matched with the rubber sleeve 12 through the auxiliary rubber sleeve can be prevented from being damaged.

Further, still include installation mechanism 4, installation mechanism 4 includes two connection half-sets 41, two joint half-sets 42 and second connecting rod 43, and two connection half-sets 41 and two joint half-sets 42 pair the use, are equipped with joint half-set 42 in the connection half-set 41, and the inboard of joint half-set 42 is equipped with the arch, and two connection half-sets 41 pass through the fastener to be connected, and the fastener is connection fixture block 45.

Working principle: after the rubber sleeve 12 with the patterns to be replaced is cut off, the two connecting half sleeves 41 and the two clamping half sleeves 42 are fastened on the adjacent rubber sleeves 12 with the patterns of the rubber sleeves 12 with the patterns on the inner sides of the clamping half sleeves 42 corresponding to the patterns of the rubber sleeves 12 with the patterns, so that the rubber sleeve 12 with the patterns can be driven to move by friction force, the rubber sleeves 12 with the patterns are clamped through the connecting clamping blocks 45, flanges matched with the connecting clamping blocks 45 are arranged on the two connecting half sleeves 41, the flanges are provided with clamping grooves, the connecting clamping blocks 45 are clamped on two sides of the two flanges and are positioned in the clamping grooves, the two connecting half sleeves 41 are limited to move along the radial direction and the axial direction, and the matching of the protrusions and the rubber sleeves 12 with the patterns plays a main role in force transmission, so that the connecting clamping blocks 45 do not need excessive pressing force, the rubber sleeves are convenient to detach and install, the rubber sleeves 12 can be stressed and sequentially moved until all the rubber sleeves 12 with the patterns are moved, the new rubber sleeves 12 with the patterns are convenient to install from the end parts of the mounting shaft 11, and the stress between the rubber sleeves 12 with the patterns is more uniform.

Further, a driving plate 411 is fixedly connected to the outer side of the clamping half sleeve 42, a second through hole is formed in the driving plate 411, a second connecting rod 43 is connected to the second through hole in a penetrating mode, a second nut 431 is connected to one end, far away from the positioning mechanism 2, of the second connecting rod 43 in a threaded mode, a second connecting ring 432 is fixedly connected to one end, close to the positioning mechanism 2, of the second connecting rod 43, and a second lock chain 433 is fixedly connected to the second connecting ring 432;

the positioning mechanism 2 further comprises a mounting plate 22 and a driving cylinder 23, one end, away from the first positioning hole 211, of the positioning plate 21 is fixedly connected with one end of the driving cylinder 23, the output end of the driving cylinder 23 is fixedly connected with the mounting plate 22, the mounting plate 22 corresponds to the second connecting rod 43, the position, corresponding to the second connecting rod 43, of the mounting plate 21 is fixedly connected with a second connecting piece 221, a yielding hole 213 is formed in the position, corresponding to the second connecting piece 221, of the positioning plate 21, and one end, away from the second connecting ring 432, of the second lock chain 433 penetrates through the yielding hole 213 and is detachably connected to the second connecting piece 221.

The second chute 413 has been seted up to the half cover 41 of connection, the half cover 42 fixedly connected with sliding block 421 of joint, sliding block 421 slidably connects to second chute 413, sliding block 421 fixedly connected with bracing piece 423, the half ring plate 44 of the half cover 41 fixedly connected with installation of connection, spacing hole 446 has been seted up to the position of the half ring plate 44 of installation corresponding to bracing piece 423, bracing piece 423 slidable is connected to spacing hole 446, the outside of spacing hole 446 is provided with the mechanism that shifts, the mechanism that shifts is used for changing the operating condition of spacing hole 446.

The position changing mechanism comprises a limiting block 443, the limiting block 443 is rotatably connected to the mounting semi-annular plate 44, the mounting semi-annular plate 44 is provided with a third sliding groove 441, the third sliding groove 441 is slidably connected with a matching sliding block 442, the matching sliding block 442 is fixedly connected with a connecting shaft 445, the limiting block 443 is also provided with a long waist hole 444, the connecting shaft 445 is slidably connected to the long waist hole 444, and the limiting block 443 is used for changing the working state of the limiting hole 446, wherein:

when the limit hole 446 is in the first working state, the projection surfaces of the limit 443 and the limit hole 446 in the horizontal direction are not overlapped;

when the limiting hole 446 is in the second working state, there is an overlapping area between the limiting block 443 and the projection surface of the limiting hole 446 in the horizontal direction.

Working principle: after the rubber sleeve 12 with the patterns to be replaced is cut off, the two connecting half sleeves 41 and the two clamping half sleeves 42 are buckled on the adjacent rubber sleeve 12 with the patterns, and are clamped through the connecting clamping blocks 45, the second connecting piece 221 is hung through the chain ring of the second chain 433, and the second nut 431 is rotated, so that the second chain 433 can be straightened and uniformly stressed;

starting the driving cylinder 23 to push the mounting plate 22, the mounting plate 22 pulls the driving plate 411 of the connection half sleeve 41 through the second lock chain 433, and the connection half sleeve 41 and the mounting half ring plate 44 push the supporting rod 423 due to the blocking of the limiting block 443 to the limiting hole 446, so as to push the clamping half sleeve 42 to move, pull the adjacent textured rubber sleeve 12 of the cut textured rubber sleeve 12 to the vacancy, after the limiting block 443 moves along with one textured rubber sleeve 12 and breaks away from the contact position with the adjacent textured rubber sleeve 12, the driving matching sliding block 442 is driven to move, the driving force can be manual or the spring restoring force of the following tension spring drives the connecting shaft 445 to move, thereby driving the limiting block 443 to rotate, so that the limiting block 443 yields the position of the limiting hole 446, at the moment, the limiting hole 446 is in the first working state, and simultaneously the limiting block 443 is positioned on the end face of the textured rubber sleeve 12, the supporting rod 423 passes along the limiting hole 446, the sliding block 421 slides in the second sliding groove 413, so that the clamping half sleeve 42 loses the driving function until the limiting block 443 contacts with the end face of the textured rubber sleeve 12, the textured rubber sleeve 12 is driven from the end face, the extra damage to the outer surface of the textured rubber sleeve 12 by the clamping half sleeve 42 can be avoided, meanwhile, when the next one needs to be driven, only the position of the hanging ring of the second connecting piece 221, which is hung on the second chain 433, needs to be adjusted, the limit on the textured rubber sleeve 12 which is already moved is quickly released through the connecting clamping block 45, and the second chain is reinstalled on the other textured rubber sleeve 12, so that all the textured rubber sleeves 12 which need to be moved are sequentially moved, the extrusion force among all the textured rubber sleeves 12 tends to be uniform and not easy to damage, when a plurality of textured rubber sleeves 12 need to be replaced, a single textured rubber sleeve 12 may exist, the movement distance exceeds the upper limit position of the stroke of the driving cylinder 23, at this time, the textured rubber sleeve 12 can be pulled to the upper limit of the travel, then the driving cylinder 23 is retracted, then the positions of the lock rings connected with the second connecting pieces 221 are adjusted, and as the lock ring spacing is the same, stable and uniform tension of each second lock chain 433 can be kept without repeatedly adjusting the second nuts 431, the driving cylinder 23 is started again, and the driving can be repeated for a plurality of times until the textured rubber sleeve 12 completes movement, and long-distance driving can be achieved.

The end face of the sliding block 421 is fixedly connected with a rubber pad 422, so that the stress is more uniform.

The other end of the extension spring is fixedly connected to the matching sliding block 442, the specific structure and the connection mode belong to the prior art, the specific structure and the connection mode are not shown in the figure, so that after the limiting block 443 moves along with one textured rubber sleeve 12 and is separated from the adjacent textured rubber sleeve 12, the matching sliding block 442 is pulled to move under the driving of the extension spring without manual operation, when the extension spring is reinstalled to the other textured rubber sleeve 12 needing to be pulled, the clamping half sleeve 42 needs to be pulled in advance to move relative to the connecting half sleeve 41, the supporting rod 423 is driven to retract into the limiting hole 446, and therefore, when the extension spring is installed, the limiting block 443 deflects, the limiting hole 446 is blocked again due to the fact that the adjacent textured rubber sleeve 12 is blocked by the other textured rubber sleeve 12, the limiting block 443 is in the second working state at the moment, and the deflection of the limiting block 443 can move in the third sliding groove 441 through the cooperation of the long waist hole 444 and the connecting shaft 445, so that the extension spring is stretched again.

The locating plate 21 is fixedly connected with the guide rod 214, the position of the mounting plate 22 corresponding to the guide rod 214 is provided with a guide hole, and the guide rod 214 is slidably connected to the guide hole, so that the locating precision is improved, and the pulling force is more uniform.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a dismouting device for maize picker peeling roller, includes positioning mechanism (2) and detaching mechanism (3), its characterized in that, wherein: the positioning mechanism (2) comprises a positioning plate (21), wherein a first positioning hole (211) is formed in the positioning plate (21), and a plurality of first connecting pieces (212) are uniformly and fixedly connected to the positioning plate (21) along the circumferential direction of the first positioning hole (211); the dismounting mechanism (3) comprises a fixed plate (31), an operation block (32), a clamping block (33) and a first connecting rod (34), wherein the fixed plate (31) is provided with a threaded groove (311), the fixed plate (31) is further provided with a first sliding groove (312) which is connected with the threaded groove (311) in a penetrating way, the threaded groove (311) is connected with the operation block (32) in a threaded way, the operation block (32) is provided with a second positioning hole (321), the second positioning hole (321) is a blind hole, the first sliding groove (312) is connected with the clamping block (33) in a sliding way, the clamping block (33) is provided with a yielding groove (331), the fixed plate (31) is provided with a first through hole corresponding to the position of the first connecting piece (212), the first connecting rod (34) is connected with the first through hole in a penetrating way, one end of the clamping block (33) is connected with a first nut (341) in a threaded way, the first connecting rod (34) is close to the clamping block (33) and is provided with a first end (342) which is connected with a first connecting ring (343), the first connecting mechanism (342) is connected with a first connecting ring (342) in a detachable way, the mounting mechanism (4) comprises two connecting half sleeves (41), two clamping half sleeves (42) and a second connecting rod (43), the two connecting half sleeves (41) and the two clamping half sleeves (42) are used in a matched mode, the clamping half sleeves (42) are arranged in the connecting half sleeves (41), protrusions are arranged on the inner sides of the clamping half sleeves (42), the two connecting half sleeves (41) are connected through fasteners, a driving plate (411) is fixedly connected to the outer sides of the clamping half sleeves (42), a second through hole is formed in the driving plate (411), the second connecting rod (43) is connected to the second through hole in a penetrating mode, a second nut (431) is connected to one end, far away from the positioning mechanism (2), of the second connecting rod (43), a second connecting ring (432) is fixedly connected to one end, close to the positioning mechanism (2), of the second connecting ring (432) of the second connecting rod, and one end of a second chain (433) is fixedly connected to the second connecting ring (432); positioning mechanism (2) still include mounting panel (22) and actuating cylinder (23), locating plate (21) are kept away from the one end fixedly connected with of first locating hole (211) actuating cylinder (23) one end, the output fixedly connected with of actuating cylinder (23) mounting panel (22), mounting panel (22) correspond second connecting rod (43) position fixedly connected with second connecting piece (221), locating plate (21) correspond second connecting piece (221) position has seted up and has been stepped down hole (213), second chain (433) are kept away from second connecting ring (432) one end is passed step down hole (213) detachable and is connected to second connecting piece (221), locating plate (21) fixedly connected with guide bar (214), mounting panel (22) correspond guide bar (214) position has seted up the guiding hole, guide bar (214) slidable is connected to the guiding hole.

2. The dismounting device for a corn harvester peeling roller of claim 1, wherein: the operation block (32) is fixedly connected with a force arm (322), and one end of the clamping block (33) away from the operation block (32) is fixedly connected with a rubber ring.

3. The dismounting device for a corn harvester peeling roller of claim 1, wherein: the fastener is a connecting clamping block (45).

4. The dismounting device for a corn harvester peeling roller of claim 1, wherein: the second sliding groove (413) is formed in the connecting half sleeve (41), the sliding block (421) is fixedly connected with the clamping half sleeve (42), the sliding block (421) is slidably connected to the second sliding groove (413), the sliding block (421) is fixedly connected with the supporting rod (423), the connecting half sleeve (41) is fixedly connected with the mounting half ring plate (44), the mounting half ring plate (44) corresponds to the position of the supporting rod (423) and is provided with the limiting hole (446), the supporting rod (423) is slidably connected to the limiting hole (446), and a displacement mechanism is arranged on the outer side of the limiting hole (446) and used for changing the working state of the limiting hole (446).

5. The dismounting device for a corn harvester peeling roller of claim 4, wherein: the position changing mechanism comprises a limiting block (443), the limiting block (443) is rotatably connected to an installation semi-annular plate (44), a third sliding groove (441) is formed in the installation semi-annular plate (44), a matching sliding block (442) is connected with the third sliding groove (441) in a sliding mode, a connecting shaft (445) is fixedly connected to the matching sliding block (442), a long waist hole (444) is formed in the limiting block (443), the connecting shaft (445) is connected to the long waist hole (444) in a sliding mode, and the limiting block (443) is used for changing the working state of the limiting hole (446), wherein: when the limiting hole (446) is in a first working state, the limiting block (443) and a projection surface of the limiting hole (446) in the horizontal direction are not overlapped; when the limiting hole (446) is located in the second working state, an overlapping area exists between the limiting block (443) and the projection surface of the limiting hole (446) in the horizontal direction.

6. The dismounting device for a corn harvester peeling roller of claim 5, wherein: the end face of the sliding block (421) is fixedly connected with a rubber pad (422).

7. The dismounting device for a corn harvester peeling roller of claim 6, wherein: one end of an extension spring is fixedly connected in the third sliding groove (441), and the other end of the extension spring is fixedly connected to the matching sliding block (442).