CN110301224B - Assembling and positioning device for cotton picking head frame of cotton picker - Google Patents
Assembling and positioning device for cotton picking head frame of cotton picker Download PDFInfo
- Publication number
- CN110301224B CN110301224B CN201910749346.4A CN201910749346A CN110301224B CN 110301224 B CN110301224 B CN 110301224B CN 201910749346 A CN201910749346 A CN 201910749346A CN 110301224 B CN110301224 B CN 110301224B
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 48
- 238000003825 pressing Methods 0.000 claims abstract description 94
- 238000003466 welding Methods 0.000 claims abstract description 51
- 238000005192 partition Methods 0.000 claims abstract description 26
- 210000004907 gland Anatomy 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D46/00—Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs
- A01D46/08—Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs of cotton
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D67/00—Undercarriages or frames specially adapted for harvesters or mowers; Mechanisms for adjusting the frame; Platforms
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses an assembly positioning device of a cotton picking head frame of a cotton picker, which comprises a positioning platform, a pressing plate and a positioning angle square; the positioning platform is arranged on the positioning platform, and the positioning platform is provided with a positioning rod welding assembly; the positioning welding assembly comprises a positioning shaft and a positioning sleeve, the positioning sleeve is provided with a pressing block extending along the radial direction far away from the positioning sleeve, and the pressing block is positioned above the positioning sleeve; the top end of the positioning shaft is provided with a top end positioning sleeve; the positioning sleeve is used for positioning the through hole of the supporting plate of the upper box body, and the pressing block is used for contacting with the upper end surface of the through hole so as to tightly press the supporting plate on the positioning platform; the top end positioning sleeve is used for positioning the through hole of the middle partition plate of the upper box body; the positioning rod welding assembly comprises a long sleeve and a positioning sleeve disc, and a gland is arranged at the top end of the long sleeve; after the long sleeve penetrates through the assembly hole of the lower box body, the gland is attached to the upper end face of the assembly hole, so that the lower box body is positioned on the positioning platform. The assembling and positioning device can effectively ensure the assembling precision of the cotton picking head frame.
Description
Technical Field
The invention relates to the technical field of cotton picker assembly, in particular to an assembly positioning device for a cotton picker head frame of a cotton picker.
Background
With the popularization and rapid development of agricultural machinery, there is an increasing market demand for various types of cotton pickers.
Cotton picker typically includes a chassis and a cotton picker head frame as the core component of the cotton picker for effecting picking of cotton; the cotton picking head frame is structurally divided into an upper box body and a lower box body, sheet metal technology is often adopted for production, the requirement on the assembly positioning accuracy of the cotton picking head frame is extremely high, and because no specific assembly positioning device exists in the prior art, a manual visual inspection realization device is needed, and the assembly qualification rate of the cotton picking head frame is lower.
Therefore, how to design an assembly positioning device capable of improving the assembly precision of the cotton picking head frame is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide an assembly positioning device for a cotton picking head frame of a cotton picker, which can effectively ensure the assembly precision of the cotton picking head frame.
In order to achieve the above object, the present invention provides an assembling and positioning device for a cotton picker head frame of a cotton picker, comprising:
The positioning platform is used for alternatively placing an upper cover plate of an upper box body of a cotton picking head frame of the cotton picking machine and a bottom plate of a lower box body of the cotton picking head frame of the cotton picking machine;
the positioning angle square is detachably arranged on the positioning platform and used for propping against the bottom plate of the lower box body;
The positioning platform is arranged on the positioning platform, and the positioning platform is provided with a positioning rod welding assembly;
The positioning welding assembly comprises a positioning shaft and a positioning sleeve sleeved on the positioning shaft, wherein the positioning sleeve is provided with a pressing block extending along the radial direction far away from the positioning sleeve, and the pressing block is positioned above the positioning sleeve; the top end of the positioning shaft is provided with a top end positioning sleeve; the positioning sleeve is used for positioning the through hole of the supporting plate of the upper box body, and the pressing block is used for contacting with the upper end surface of the through hole so as to tightly press the supporting plate on the positioning platform; the top end positioning sleeve is used for positioning the through hole of the middle partition plate of the upper box body;
The positioning rod welding assembly comprises a long sleeve and a positioning sleeve disc sleeved on the long sleeve, and a gland is arranged at the top end of the long sleeve; the locating sleeve disc is used for locating the locating round hole of the lower box body, and when the long sleeve penetrates through the assembly hole of the lower box body, the gland is attached to the upper end face of the assembly hole, so that the lower box body is located on the locating platform.
Optionally, the location platform is equipped with the step face that is used for selecting one to support the bottom plate of upper cover plate and lower box, the upper surface of step face is equipped with little location boss and big location boss for fix a position the bottom plate of upper cover plate and lower box, clamp plate detachably locates the step face, two location seam subassembly detachably locates respectively little location boss with big location boss, two locating lever seam subassembly detachably locates respectively little location boss with big location boss.
Optionally, the pressing plates are specifically a first pressing plate, a third pressing plate and a second pressing plate, the first pressing plate is arranged on the first side of the large positioning boss, the third pressing plate is arranged on the first side of the small positioning boss, the first pressing plate and the third pressing plate are used for pressing on the upper surface of the upper cover plate, and the upper cover plate is fixed on the step surface through the fastening part; the two second pressing plates are respectively arranged on the second sides of the large positioning boss and the small positioning boss, and the end parts of the two second pressing plates compress the upper cover plate on the step surface.
Optionally, the upper surface of step face is equipped with the support column that upwards extends along vertical direction, the support column is equipped with and is used for supplying the fastening portion stretches into in order to realize pressing down the clamp plate in the mounting hole of upper surface of upper cover plate.
Optionally, two the location seam subassembly interval sets up, and two the top position sleeve is little position sleeve and big position sleeve respectively, little position sleeve with the height of big position sleeve is unanimous, two the height of position sleeve is unanimous.
Optionally, the top end positioning sleeve comprises a disc and a plurality of extending ends arranged in the circumferential direction of the disc, and all the extending ends extend towards the outer side along the radial direction of the disc; the outer edges of all the extending ends are in a step shape, and the outline sizes of the outer edges of all the extending ends are gradually increased from top to bottom along the vertical direction, so that the extending ends are supported at the bottom of the middle partition after being positioned through the through holes of the middle partition; and/or the number of the groups of groups,
The positioning sleeve disc comprises a positioning disc and a plurality of positioning ends arranged in the circumferential direction of the positioning disc, and all the positioning ends extend outwards along the radial direction of the positioning disc; the outer edges of all the positioning ends are in a step shape, and the outline size of the outer edges of all the positioning ends is gradually increased from top to bottom along the vertical direction, so that the positioning ends are positioned through the positioning round holes of the lower box body and then supported on the lower end surfaces of the positioning round holes.
Optionally, the positioning sleeve comprises a disc-shaped body and a plurality of circumferential matching ends arranged on the disc-shaped body, and all the matching ends extend outwards along the radial direction of the disc-shaped body; the outer edges of all the matching ends are in a step shape, and the outline sizes of the outer edges of all the matching ends are gradually increased from top to bottom along the vertical direction, so that the outer edges are positioned through the through holes of the supporting plate and then supported at the bottom of the supporting plate;
the pressing block is rotatably arranged on the upper surface of the matching end, and the end part of the pressing block, which is far away from the positioning shaft, is bent downwards and is used for propping against the supporting plate positioned and supported by the positioning sleeve.
Optionally, the positioning angle square extends upwards along a vertical direction, and the top end of the positioning angle square is provided with a horizontal bending edge for abutting against the lower box body.
Optionally, the two positioning angle bars are located on the same side of the step surface.
Optionally, the bottom of the positioning welding assembly and the bottom of the positioning rod welding assembly are further provided with a transition supporting disc detachably connected with the step surface.
Compared with the background art, the assembling and positioning device for the cotton picking head frame of the cotton picking machine provided by the invention utilizes the positioning platform to respectively assemble the upper box body and the lower box body of the cotton picking head frame of the cotton picking machine; when the upper box body is installed, firstly, the upper cover plate of the upper box body is placed on a positioning platform, the upper cover plate is tightly pressed on the positioning platform through a pressing plate, then a through hole of a supporting plate of the upper box body is positioned by a positioning sleeve of a positioning welding assembly, the supporting plate is tightly pressed on the positioning platform through a pressing block on the positioning sleeve, finally, the top positioning sleeve is used for positioning through holes of a middle partition plate of the upper box body, namely, the positioning of the upper cover plate, the supporting plate and the middle partition plate of the upper box body is completed by the positioning welding assembly, after the upper box body is assembled, the positioning welding assembly and the pressing plate are detached from the positioning platform, then, the positioning rod welding assembly is installed on the positioning platform, a positioning sleeve disc of the positioning rod welding assembly is used for positioning a positioning round hole of the lower box body, and then the upper end face of an assembly hole is tightly attached through a pressing cover, so that the positioning of the lower box body is realized; the assembly positioning device that so set up can fix a position and assemble upper cover plate, backup pad and middle septum and the lower box of last box accurately for each wait to assemble the position between the part reliably, and easy operation, location assembly efficiency is higher.
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 required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an assembling and positioning device of a cotton picking head frame of a cotton picking machine when an upper box body is assembled according to an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
Fig. 3 is a schematic structural view of an assembling and positioning device of a cotton picking head frame of a cotton picker when a lower box is assembled according to an embodiment of the present invention;
FIG. 4 is a top view of FIG. 3;
Wherein:
The positioning platform 1, the step surface 11, the small positioning boss 12, the large positioning boss 13, the small positioning sleeve 2, the large positioning sleeve 3, the pressing block 4, the positioning welding assembly 5, the positioning shaft 51, the positioning sleeve 52, the first pressing plate 6, the second pressing plate 7, the third pressing plate 8, the fastening part 9, the pressing cover 10, the fixing part 20, the positioning rod welding assembly 30, the long sleeve 31, the positioning sleeve disc 32 and the positioning angle square 50.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.
The present invention will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present invention.
The embodiment of the invention provides an assembly positioning device for a cotton picking head frame of a cotton picking machine, which is shown in figures 1 to 4 of the specification, and comprises a positioning platform 1, a pressing plate, a positioning angle square 50, a positioning welding assembly 5 and a positioning rod welding assembly 30.
When the upper box body and the lower box body of the cotton picking head frame of the cotton picker are assembled, the positioning platform 1 is utilized for positioning and supporting, and the upper cover plate of the upper box body and the lower box body are alternatively placed on the positioning platform 1. When the upper box body is required to be assembled, the upper box body is positioned by using the pressing plate and the positioning welding assembly 5, and when the lower box body is required to be assembled, the lower box body is positioned by using the positioning angle square 50 and the positioning rod welding assembly 30; that is, the platen, the position welding assembly 5, and the position bar welding assembly 30 are all detachably connected with respect to the positioning platform 1, and specifically, the detachable connection may be achieved by means such as bolts.
When the upper box body is positioned, the upper cover plate is firstly placed on the positioning platform 1, then the pressing plate is placed on the upper surface of the upper cover plate, the upper cover plate is often provided with a process through hole, and the process through hole can be penetrated through parts such as screws, so that the upper cover plate is fastened on the positioning platform 1, and the positioning operation on the positioning platform 1 is realized.
The positioning welding assembly 5 comprises a positioning shaft 51 and a positioning sleeve 52, the positioning shaft 51 extends along the vertical direction, the positioning sleeve 52 is sleeved on the positioning shaft 51, the positioning sleeve 52 is provided with a pressing block 4, the pressing block 4 is arranged on the upper surface of the positioning sleeve 52, and the pressing block 4 extends along the radial direction far away from the positioning sleeve 52, as shown in the accompanying drawings 1 and 2 of the specification.
The top of the positioning shaft 51 is also provided with a top positioning sleeve, and after the upper cover plate of the upper box body is fixed on the positioning platform 1 through the pressing plate, the supporting plate of the upper box body is positioned through the positioning welding assembly 5.
Specifically, the supporting plate is provided with a through hole, the through hole of the supporting plate is provided with a positioning shaft 51 from top to bottom, the outer edge of the positioning sleeve 52 is attached to the inner wall of the through hole of the supporting plate, namely, the size of the outer edge of the positioning sleeve 52 is almost the same as that of the through hole of the supporting plate, the positioning precision of the supporting plate is improved, and the supporting plate is provided with a bending edge extending downwards, the bending edge is propped against the positioned upper cover plate, the relative positions of the supporting plate and the upper cover plate are fixed, and the position reliability of the supporting plate is ensured under the action of the positioning sleeve 52; the pressing block 4 is contacted with the upper end face of the through hole, namely, the pressing block 4 presses the upper surface of the supporting plate, so that the position of the supporting plate in the vertical direction is ensured; in other words, the positioning sleeve 52 positions the horizontal position of the support plate, and the press block 4 positions the vertical position of the support plate. Of course, the pressing block 4 may be detachably connected to the positioning sleeve 52 by a bolt or the like.
After the positions of the supporting plate and the upper cover plate are positioned, the middle partition plate of the upper box body is placed at the top end positioning sleeve, namely, the middle partition plate is positioned above the supporting plate and the upper cover plate, and the supporting plate is positioned above the upper cover plate; similar to the above, the middle partition plate is provided with the via hole, the outer edge of the top end positioning sleeve is attached to the inner wall of the via hole of the middle partition plate, the outer edge size of the top end positioning sleeve is almost the same as the via hole size of the middle partition plate, so that the middle partition plate is positioned accurately relative to the positioning platform 1, the position of the middle partition plate can be reliably realized, the upper cover plate, the supporting plate and the middle partition plate are sequentially positioned by the pressing plate, the positioning sleeve 52, the pressing block 4 and the top end positioning sleeve, and the pressing plate, the positioning sleeve 52, the pressing block 4 and the top end positioning sleeve are fixed relative to the positioning platform 1, and therefore the position of the upper cover plate, the supporting plate and the middle partition plate is reliable relative to the positioning platform 1, the position among the upper cover plate, the supporting plate and the middle partition plate is accurate, and the follow-up assembly operation is facilitated.
After the upper cover plate, the support plate and the middle partition plate of the upper box body are assembled, the assembly process of the upper box body is completed, the upper box body can be lifted from the positioning platform 1, the pressing plate and the positioning welding assembly 5 are removed, and the positioning angle square 50 and the positioning rod welding assembly 30 are mounted on the positioning platform 1. Then the lower box body to be positioned and assembled is placed on the positioning platform 1, the lower box body is provided with a positioning round hole and an assembly hole, the positioning round hole of the lower box body is positioned by utilizing the positioning sleeve plate 32, the outer edge of the positioning sleeve plate 32 is attached to the inner wall of the positioning round hole, and the outer edge size of the positioning sleeve plate 32 and the positioning round hole size are almost different, so that the lower box body is positioned accurately; meanwhile, after the long sleeve 31 penetrates through the assembly hole, the gland 10 positioned at the top of the long sleeve 31 is attached to the upper end face of the assembly hole, and the lower box is positioned on the positioning platform 1 by abutting the bottom plate of the lower box through the positioning angle square 50, and the gland 10 can be connected with the long sleeve 31 through the fixing part 20 such as a bolt.
Referring to fig. 1 to 4 of the drawings, the positioning platform 1 is provided with a step surface 11, the step surface 11 is higher than the upper surface of the positioning platform 1, the step surface 11 is used for alternatively supporting an upper cover plate and a bottom plate of a lower box body, the step surface 11 can be regarded as a workbench, and the upper surface of the step surface 11 is provided with a small positioning boss 12 and a large positioning boss 13, namely, the small positioning boss 12 and the large positioning boss 13 are higher than the upper surface of the step surface 11; whether the upper cover plate or the bottom plate of the lower box body is provided with a positioning through hole, in the assembly positioning process, the small positioning boss 12 and the large positioning boss 13 can be matched with the positioning through hole so as to realize preliminary positioning of the upper cover plate and the lower box body, specifically, the positioning mode of the small positioning boss 12 and the large positioning boss 13 is similar to that of the middle partition plate through hole or the supporting plate through hole in the above positioning mode, and the details are not repeated.
The pressing plate can be detachably arranged on the step surface 11 through a fastening part 9 such as a bolt, and the pressing plate is used for pressing the upper cover plate; the number of the positioning welding assemblies 5 is two, one positioning welding assembly 5 is detachably arranged on the small positioning boss 12, the other positioning welding assembly 5 is detachably arranged on the large positioning boss 13, likewise, the number of the positioning rod welding assemblies 30 is two, one positioning rod welding assembly 30 is detachably arranged on the small positioning boss 12, the other positioning rod welding assembly 30 is detachably arranged on the large positioning boss 13, and the specific positioning mode is similar to that described above by reference to the large positioning boss 13.
Referring to fig. 1 and 2 of the specification, the pressing plates are specifically a first pressing plate 6, a third pressing plate 8 and a second pressing plate 7, the first pressing plate 6 is arranged on a first side of the large positioning boss 13, the third pressing plate 8 is arranged on a first side of the small positioning boss 12, the first pressing plate 6 and the third pressing plate 8 are both used for pressing on the upper surface of the upper cover plate, and the upper cover plate can be fixed on the step surface 11 through the fastening part 9; the two second pressing plates 7 are respectively arranged on the second sides of the large positioning boss 13 and the small positioning boss 12, the end parts of the two second pressing plates 7 press the upper cover plate on the step surface 11, namely the first pressing plate 6, the third pressing plate 8 and the second pressing plate 7 are needed to be used when the upper cover plate of the upper box body is positioned, and the first pressing plate 6, the third pressing plate 8 and the second pressing plate 7 are needed to be detached when the lower box body is positioned.
The upper surface of the step surface 11 is provided with a support column extending upwards along the vertical direction, the support column is provided with a mounting hole for the fastening part 9 to extend in so as to press the pressing plate on the upper surface of the upper cover plate, and the support column and the step surface 11 can be integrally arranged; the upper cover plate is provided with a positioning via hole, when the positioning via hole and the supporting column are coaxial, the fact that the upper cover plate is positioned in comparison with the step surface 11 is achieved, and then the upper cover plate is fastened on the step surface 11 by means of the fact that the fastening parts 9 such as bolts are matched with the positioning via hole and the mounting hole from top to bottom in sequence.
The two positioning welding assemblies 5 can be arranged at intervals, the two top positioning sleeves are respectively a small positioning sleeve 2 and a large positioning sleeve 3, the heights of the small positioning sleeve 2 and the large positioning sleeve 3 are consistent, and the heights of the positioning sleeves 52 positioned on the two positioning welding assemblies 5 are consistent, namely, the supporting plate and the middle partition plate can be horizontally fixed on the two positioning welding assemblies 5, so that the horizontal and position fixing of the supporting plate, the middle partition plate and the upper cover plate are realized.
As shown in fig. 1 to 4 of the drawings, the positioning sleeve 32 comprises a positioning disk and a plurality of positioning ends arranged in the circumferential direction of the positioning disk, and is similar to the shape of a flying disk; the number of the positioning ends can be three, and the positioning ends are uniformly arranged in the circumferential direction of the positioning disc, and all the positioning ends extend towards the outer side along the radial direction of the positioning disc; the outer edges of all the positioning ends are in a step shape, and the outline size of the outer edges of all the positioning ends is gradually increased from top to bottom along the vertical direction, so that the positioning ends are positioned through the positioning round holes of the lower box body and then are supported on the lower end surfaces of the positioning round holes.
The outer fringe of location end can be two-layer echelonment, and the ladder size that is located the lower floor is compared in being located upper strata ladder size big, and the ladder of lower floor is used for the lower terminal surface of the location round hole of bearing box down, and the upper strata ladder is used for fixing a position the location round hole.
Similar to the spacer disc 32, the top spacer (which may be specifically the small spacer 2 and the large spacer 3) includes a disc and a plurality of circumferentially extending ends provided on the disc, similar to the shape of a flying disc; the number of the extending ends can be three, and the extending ends are uniformly arranged in the circumferential direction of the disc, and all the extending ends extend towards the outer side along the radial direction of the disc; the outer edges of all the extending ends are stepped, and the outline sizes of the outer edges of all the extending ends are gradually increased from top to bottom along the vertical direction, so that the outer edges are supported at the bottom of the middle partition after being positioned through the through holes of the middle partition.
The outer edge of the extension end can be in a two-layer ladder shape, the ladder size of the lower layer is larger than that of the upper layer, the ladder of the lower layer is used for supporting the lower end face of the through hole of the middle partition board, and the ladder of the upper layer is used for positioning the through hole.
Also similar to the spacer disc 32, the spacer sleeve 52 includes a disc-shaped body and a plurality of circumferentially disposed mating ends of the disc-shaped body, similar to a flying disc shape; the number of the matching ends can be three, and the matching ends are uniformly arranged in the circumferential direction of the disc-shaped body, and all the matching ends extend outwards along the radial direction of the disc-shaped body; the outer edges of all the matching ends are stepped, and the outline sizes of the outer edges of all the matching ends are gradually increased from top to bottom along the vertical direction, so that the outer edges are positioned through the through holes of the supporting plate and then supported at the bottom of the supporting plate; that is, the outer edge of the mating end may be two-layered in a stepped shape, the step size at the lower layer is larger than the step size at the upper layer, the steps at the lower layer are used for supporting the lower end surface of the through hole of the supporting plate, and the steps at the upper layer are used for positioning the through hole.
The pressing block 4 is rotatably arranged on the upper surface of the matching end, and the end part of the pressing block 4 away from the positioning shaft 51 is bent downwards to abut against a supporting plate positioned and supported by the positioning sleeve 52. That is, the pressing block 4 is ﹃ -shaped, the end part (﹃ -shaped right end part) of the pressing block 4 far away from the positioning shaft 51 is far away from the positioning shaft 51 compared with the matched end, and the top part of the end part (﹃ -shaped right end part) of the pressing block 4 far away from the positioning shaft 51 can prop against the upper end surface of the through hole of the supporting plate; after the positioning sleeve plate 32 is used for positioning the through hole, the pressing block 4 can be used for abutting the supporting plate, so that the position of the supporting plate is ensured to be reliable. The pressing block 4 is parallel to the rotating shaft and the positioning shaft 51 which are rotated at the matching end, when the supporting plate is positioned through the positioning sleeve 32, the pressing block 4 cannot interfere with the supporting plate, and after the positioning sleeve 32 is positioned, the supporting plate can be pressed through the pressing block 4.
As shown in fig. 3 to 4 of the drawings, the positioning angle square 50 extends upward in the vertical direction, and the top end of the positioning angle square 50 has a horizontal bending edge for abutting against the lower case. The positioning angle 50 may be detachably connected to the positioning platform 1 using components such as bolts. The number of the positioning angle square 50 can be two, and the two positioning angle squares 50 are positioned on the same side of the step surface 11, and the bottom of the positioning angle square 50 is not connected with the step surface 11, but is directly connected with the positioning platform 1.
In order to realize that the positioning welding assembly 5 and the positioning rod welding assembly 30 can be firmly fixed on the step surface 11, the bottom of the positioning welding assembly 5 and the bottom of the positioning rod welding assembly 30 can be further provided with a transition support disc, the diameter of the transition support disc is larger than that of the positioning shaft 51 aiming at the positioning welding assembly 5, the diameter of the transition support disc is larger than that of the long sleeve 31 aiming at the positioning rod welding assembly 30, the transition support disc is provided with a connecting through hole, and the positioning rod welding assembly 5 and the positioning rod welding assembly 30 can be detachably connected relative to the step surface 11 by screwing the parts such as bolts after penetrating through the connecting through hole.
It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The assembling and positioning device for the cotton picking head frame of the cotton picker provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (7)
1. An assembly positioning device of a cotton picker cotton picking head frame, which is characterized by comprising:
A positioning platform (1) for alternatively placing an upper cover plate of an upper box body of a cotton picking head frame of the cotton picking machine and a bottom plate of a lower box body of the cotton picking head frame of the cotton picking machine;
the positioning angle square (50) is detachably arranged on the positioning platform (1), is used for pressing the upper cover plate on the positioning platform (1) and is used for propping against the bottom plate of the lower box body;
A positioning welding assembly (5) and a positioning rod welding assembly (30) are alternatively arranged on the positioning platform (1);
The positioning welding assembly (5) comprises a positioning shaft (51) and a positioning sleeve (52) sleeved on the positioning shaft (51), the positioning sleeve (52) is provided with a pressing block (4) extending along the radial direction far away from the positioning sleeve (52), and the pressing block (4) is positioned above the positioning sleeve (52); the top end of the positioning shaft (51) is provided with a top end positioning sleeve; the positioning sleeve (52) is used for positioning a through hole of a supporting plate of the upper box body, and the pressing block (4) is used for contacting with the upper end surface of the through hole so as to tightly press the supporting plate on the positioning platform (1); the top end positioning sleeve is used for positioning the through hole of the middle partition plate of the upper box body;
the positioning rod welding assembly (30) comprises a long sleeve (31) and a positioning sleeve disc (32) sleeved on the long sleeve (31), and a gland (10) is arranged at the top end of the long sleeve (31); the positioning sleeve disc (32) is used for positioning a positioning round hole of the lower box body, and after the long sleeve (31) penetrates through the assembly hole of the lower box body, the gland (10) is attached to the upper end face of the assembly hole so as to position the lower box body on the positioning platform (1);
The positioning platform (1) is provided with a step surface (11) for alternatively supporting the bottom plates of the upper cover plate and the lower box body, the upper surface of the step surface (11) is provided with a small positioning boss (12) and a large positioning boss (13) for respectively positioning the bottom plates of the upper cover plate and the lower box body, the pressing plate is detachably arranged on the step surface (11), the two positioning welding assemblies (5) are detachably arranged on the small positioning boss (12) and the large positioning boss (13) respectively, and the two positioning rod welding assemblies (30) are detachably arranged on the small positioning boss (12) and the large positioning boss (13) respectively;
The top end positioning sleeve comprises a disc and a plurality of extending ends arranged in the circumferential direction of the disc, and all the extending ends extend outwards along the radial direction of the disc; the outer edges of all the extending ends are in a step shape, and the outline sizes of the outer edges of all the extending ends are gradually increased from top to bottom along the vertical direction, so that the extending ends are supported at the bottom of the middle partition after being positioned through the through holes of the middle partition; and/or the number of the groups of groups,
The positioning sleeve disc (32) comprises a positioning disc and a plurality of positioning ends arranged in the circumferential direction of the positioning disc, and all the positioning ends extend outwards along the radial direction of the positioning disc; the outer edges of all the positioning ends are stepped, and the outline sizes of the outer edges of all the positioning ends are gradually increased from top to bottom along the vertical direction, so that the positioning ends are positioned through the positioning round holes of the lower box body and then supported on the lower end surfaces of the positioning round holes;
The positioning sleeve (52) comprises a disc-shaped body and a plurality of circumferential matching ends arranged on the disc-shaped body, and all the matching ends extend outwards along the radial direction of the disc-shaped body; the outer edges of all the matching ends are in a step shape, and the outline sizes of the outer edges of all the matching ends are gradually increased from top to bottom along the vertical direction, so that the outer edges are positioned through the through holes of the supporting plate and then supported at the bottom of the supporting plate;
the pressing block (4) is rotatably arranged on the upper surface of the matching end, and the end part of the pressing block (4) away from the positioning shaft (51) is bent downwards to be used for propping against a supporting plate positioned and supported by the positioning sleeve (52).
2. The assembly positioning device according to claim 1, wherein the pressing plates are specifically a first pressing plate (6), a third pressing plate (8) and a second pressing plate (7), the first pressing plate (6) is arranged on the first side of the large positioning boss (13), the third pressing plate (8) is arranged on the first side of the small positioning boss (12), the first pressing plate (6) and the third pressing plate (8) are used for pressing on the upper surface of the upper cover plate, and the upper cover plate is fixed on the step surface (11) through a fastening part (9); the two second pressing plates (7) are respectively arranged on the second sides of the large positioning boss (13) and the small positioning boss (12), and the end parts of the two second pressing plates (7) press the upper cover plate on the step surface (11).
3. The assembly positioning device according to claim 2, characterized in that the upper surface of the step surface (11) is provided with a support column extending upwards in the vertical direction, said support column being provided with a mounting hole for the fastening portion (9) to extend into for pressing the press plate against the upper surface of the upper cover plate.
4. The assembly positioning device according to claim 1, wherein two positioning welding assemblies (5) are arranged at intervals, the two top positioning sleeves are respectively a small positioning sleeve (2) and a large positioning sleeve (3), the heights of the small positioning sleeve (2) and the large positioning sleeve (3) are consistent, and the heights of the two positioning sleeves (52) are consistent.
5. The assembly fixture according to any one of claims 1-4, wherein the positioning angle (50) extends upwards in a vertical direction, and the top end of the positioning angle (50) has a horizontal fold for abutting against the lower case.
6. Assembly positioning device according to claim 5, characterized in that two of said positioning angle squares (50) are located on the same side of said step surface (11).
7. The assembly positioning device according to claim 5, characterized in that the bottom of the positioning and welding assembly (5) and the positioning and welding assembly (30) is further provided with a transition support disc for detachable connection with the step surface (11).
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| CN201910749346.4A CN110301224B (en) | 2019-08-14 | 2019-08-14 | Assembling and positioning device for cotton picking head frame of cotton picker |
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| CN201910749346.4A CN110301224B (en) | 2019-08-14 | 2019-08-14 | Assembling and positioning device for cotton picking head frame of cotton picker |
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| CN110301224B true CN110301224B (en) | 2024-04-23 |
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| CN110823050B (en) * | 2019-11-28 | 2021-07-13 | 中国铁建重工集团股份有限公司 | Cam assembly detection device on cotton picker and use method thereof |
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