CN210580073U - Assembly positioning device of cotton picking head rack of cotton picker - Google Patents
Assembly positioning device of cotton picking head rack of cotton picker Download PDFInfo
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- CN210580073U CN210580073U CN201921322450.7U CN201921322450U CN210580073U CN 210580073 U CN210580073 U CN 210580073U CN 201921322450 U CN201921322450 U CN 201921322450U CN 210580073 U CN210580073 U CN 210580073U
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 44
- 238000003466 welding Methods 0.000 claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 15
- 210000004907 gland Anatomy 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Abstract
The utility model 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; selecting a positioning welding assembly and a positioning rod welding assembly which are arranged on the positioning platform; the positioning welding assembly comprises a positioning shaft and a positioning sleeve, a pressing block extending along the radial direction far away from the positioning sleeve is sleeved on 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 face 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 a through hole of a 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 pilot hole of box was worn to establish down to long sleeve, the gland laminating was in the up end of pilot hole to the realization is with box location platform down. Above-mentioned positioning device can effectively guarantee the assembly precision of cotton picking head frame.
Description
Technical Field
The utility model relates to a cotton picker assembly technical field, in particular to assembly positioning device of cotton picker cotton picking head frame.
Background
With the popularization and rapid development of agricultural machinery, the market demand for various types of cotton pickers is increasing.
The cotton picker generally comprises a chassis and a cotton picking head frame, wherein the cotton picking head frame is used as a core component of the cotton picker and is used for picking cotton; the cotton picking head rack is structurally divided into an upper box body and a lower box body, the cotton picking head rack is usually produced by a sheet metal process, the requirement on the assembly positioning precision is extremely high, and the assembly qualification rate of the cotton picking head rack is low because a specific assembly positioning device is not arranged in the prior art and a device needs to be realized by manual visual inspection.
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 the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an assembly positioning device of cotton picker first frame can effectively guarantee the assembly precision of cotton picker first frame.
In order to achieve the above object, the utility model provides an assembly positioning device of cotton picker head frame, include:
the positioning platform is used for selecting an upper cover plate for placing an upper box body of the cotton picking head rack of the cotton picking machine and a bottom plate for placing a lower box body of the cotton picking head rack of the cotton picking machine;
the positioning angle square is detachably arranged on the positioning platform and used for abutting against the bottom plate of the lower box body;
selecting a positioning welding assembly and a positioning rod welding assembly which are arranged on the positioning platform;
the positioning welding assembly comprises a positioning shaft and a positioning sleeve sleeved on the positioning shaft, 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 face of the through hole so as to press the supporting plate on the positioning platform; the top end positioning sleeve is used for positioning a through hole of a 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 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 as to locate the lower box body on the locating platform.
Optionally, the positioning platform is provided with a step surface for selectively supporting the upper cover plate and the bottom plate of the lower box body, the upper surface of the step surface is provided with a small positioning boss and a large positioning boss for positioning the upper cover plate and the bottom plate of the lower box body, the pressing plate is detachably arranged on the step surface, the positioning welding assemblies are detachably arranged on the small positioning boss and the large positioning boss, the positioning rods are detachably arranged on the positioning welding assemblies and are respectively arranged on the small positioning boss and the large positioning 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, and the first pressing plate and the third pressing plate are used for pressing the upper surface of the upper cover plate and fixing the upper cover plate on the step surface through a 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 press the upper cover plate on the step surface.
Optionally, the upper surface of the step surface is provided with a support column extending upwards in the vertical direction, and the support column is provided with a mounting hole for the fastening portion to extend into so as to press the pressing plate onto the upper surface of the upper cover plate.
Optionally, the two positioning welding assemblies are arranged at intervals, the two top end positioning sleeves are respectively a small positioning sleeve and a large positioning sleeve, the small positioning sleeve and the large positioning sleeve are consistent in height, and the two positioning sleeves are consistent in height.
Optionally, the top end positioning sleeve comprises a disc and a plurality of extending ends arranged on the circumference 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, the outline size of the outer edges of all the extending ends is gradually increased from top to bottom along the vertical direction, and the outer edges are used for being positioned by the through holes of the middle partition plate and then are supported at the bottom of the middle partition plate; and/or the presence of a gas in the gas,
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; all the outer edges of the positioning ends are in a step shape, and all the outer edge outline sizes of the positioning ends are gradually increased from top to bottom along the vertical direction so as to be supported on the lower end face of the positioning round hole after being positioned by the positioning round hole of the lower box body.
Optionally, the positioning sleeve includes a disk-shaped body and a plurality of mating ends arranged in the circumferential direction of the disk-shaped body, and all the mating ends extend outward in the radial direction of the disk-shaped body; the outer edges of all the matching ends are in a step shape, and the outline size of the outer edges of all the matching ends is gradually increased from top to bottom along the vertical direction so as to be positioned by 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 to abut against the supporting plate positioned and supported by the positioning sleeve.
Optionally, the positioning angle square extends upwards along the 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 rulers are positioned on the same side of the step surface.
Optionally, the positioning welding assembly and the positioning rod welding assembly are further provided with a transition support disc at the bottom thereof for detachably connecting with the step surface.
Compared with the prior art, the assembly positioning device of the cotton picking head rack of the cotton picker provided by the utility model utilizes the positioning platform to respectively assemble the upper box body and the lower box body of the cotton picking head rack of the cotton picker; when the upper box body is installed, firstly, an 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 positioning sleeve of a positioning welding assembly is used for positioning a through hole of a supporting plate of the upper box body, the supporting plate is tightly pressed on the positioning platform through a pressing block on the positioning sleeve, finally, a top positioning sleeve is used for positioning a through hole of a middle partition plate of the upper box body, namely, the positioning welding assembly is used for positioning the upper cover plate, the supporting plate and the middle partition plate of the upper box body, 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 assembling hole is tightly attached; the assembly positioning device can accurately position and assemble the upper cover plate, the support plate, the middle partition plate and the lower box body of the upper box body, so that the positions between the parts to be assembled are reliable, the operation is simple, and the positioning and assembling efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of an assembly positioning device of a cotton picking head frame of a cotton picker provided by an embodiment of the invention when a box body is assembled;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic structural view of the positioning device for assembling the cotton picking head frame of the cotton picker according to the embodiment of the present invention when the lower box body is assembled;
FIG. 4 is a top view of FIG. 3;
wherein:
the positioning device comprises a positioning platform 1, a step surface 11, a small positioning boss 12, a large positioning boss 13, a small positioning sleeve 2, a large positioning sleeve 3, a pressing block 4, a positioning welding assembly 5, a positioning shaft 51, a positioning sleeve 52, a first pressing plate 6, a second pressing plate 7, a third pressing plate 8, a fastening part 9, a pressing cover 10, a fixing part 20, a positioning rod welding assembly 30, a long sleeve 31, a positioning sleeve disc 32 and a positioning angle square 50.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
The embodiment of the utility model provides an assembly positioning device of cotton picker head frame, as specification attached drawing 1 to fig. 4 show, weld subassembly 5 and locating lever weld subassembly 30 including location platform 1, clamp plate, location angle square 50, location.
When an upper box body and a lower box body of a cotton picking head rack of a cotton picker are assembled, the positioning platform 1 is used for positioning and supporting, and an upper cover plate and the lower box body of the upper box body are alternatively placed on the positioning platform 1. When the upper box body needs 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 needs 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 pressing plate, the tack-welding assembly 5, the positioning angle square 50 and the positioning rod-welding assembly 30 can be detachably connected with respect to the positioning platform 1, and in particular, the detachable connection can be realized by using a bolt or the like.
When the box was gone up in the location, at first place the upper cover plate in locating platform 1, then place the clamp plate in the upper surface of upper cover plate, the upper cover plate often sets up the technology through-hole, can wear to establish the technology through-hole through parts such as screw to fasten the upper cover plate in locating platform 1, realize the location operation to locating platform 1.
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 shaft 51 is sleeved with the positioning sleeve 52, 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 description attached fig. 1 and 2.
The top of location axle 51 still is equipped with the top position sleeve, and after the upper cover plate of last box was fixed in locating platform 1 through the clamp plate, fix a position the backup pad of last box through location seam subassembly 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 by sleeving 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, so that the positioning precision of the supporting plate is improved, the supporting plate is provided with a bending edge extending downwards, the bending edge is abutted against an upper cover plate which is positioned, the relative position of the supporting plate and the upper cover plate is fixed, and the position of the supporting plate is ensured to be reliable under the action of the; then the pressing block 4 is contacted with the upper end surface of the through hole, namely the pressing block 4 presses the upper surface of the supporting plate, and 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 pressing block 4 positions the vertical position of the support plate. Of course, the pressing block 4 can be detachably connected with respect to the positioning sleeve 52 by means of bolts 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 position of 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; similarly with the aforesaid, the median septum has the via hole, the outer fringe of top position sleeve and the laminating of the via hole inner wall of median septum, the outer fringe size of top position sleeve and the via hole size of baffle differ a little, make the location of median septum accurate, can realize that the median septum is reliable for the position of positioning platform 1 like this, so far, the upper cover plate, backup pad and median septum is by the clamp plate in proper order, position sleeve 52 and briquetting 4, the top position sleeve location, and because the clamp plate, position sleeve 52 and briquetting 4, the position of top position sleeve homogeneous phase for positioning platform 1 is fixed, from this upper cover plate, backup pad and median septum three are reliable for positioning platform 1 position, thereby realize that the position between the three is accurate, help follow-up assembly operation.
After the upper cover plate, the support plate and the middle partition plate of the upper box body are assembled, the upper box body can be lifted from the positioning platform 1 after the assembling process of the upper box body is finished, the press plate and the positioning welding assembly 5 are removed, and the positioning angle square 50 and the positioning rod welding assembly 30 are installed on the positioning platform 1. Then a 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 assembling hole, the positioning round hole of the lower box body is positioned by utilizing the positioning sleeve disc 32, similarly to the above, the outer edge of the positioning sleeve disc 32 is attached to the inner wall of the positioning round hole, and the size of the outer edge of the positioning sleeve disc 32 is almost the same as that of the positioning round hole, 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 abuts against the bottom plate of the lower box body through the positioning angle square 50, the lower box body is positioned on the positioning platform 1, and the gland 10 can be connected with the long sleeve 31 through the fixing portions 20 such as bolts.
Referring to the attached drawings 1 to 4 in the specification, 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 selectively 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, that is, the small positioning boss 12 and the large positioning boss 13 are higher than the upper surface of the step surface 11; no matter the bottom plate of upper cover plate or lower box all has positioning hole, and at the assembly positioning in-process, little location boss 12 and big location boss 13 can cooperate with positioning hole for realize the preliminary location to upper cover plate and lower box, specifically, little location boss 12 and big location boss 13 both compare in positioning hole's locate mode and the above-mentioned similar to the locate mode to median septum via hole or backup pad through-hole, and this text is no longer repeated.
The pressing plate can be detachably arranged on the step surface 11 through the fastening part 9 such as a bolt, and is used for pressing the upper cover plate as above; the number of location seam subassembly 5 is two, little location boss 12 is located to one of them location seam subassembly 5 detachably, big location boss 13 is located to another location seam subassembly 5 detachably, and likewise, the number of locating lever seam subassembly 30 is two, and little location boss 12 is located to one of them locating lever seam subassembly 30 detachably, and big location boss 13 is located to another locating lever seam subassembly 30 detachably, refers to the above, and its concrete positioning mode is similar with the above, and this time is no longer repeated.
Referring to the attached drawings 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 the first side of a large positioning boss 13, the third pressing plate 8 is arranged on the first side of a small positioning boss 12, and the first pressing plate 6 and the third pressing plate 8 are used for being pressed on the upper surface of the upper cover plate and fixing the upper cover plate on a step surface 11 through a fastening part 9; two second clamp 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 clamp plates 7 tightly press the upper cover plate on the step surface 11, namely the first clamp plate 6, the third clamp plate 8 and the second clamp plate 7 are needed when the upper cover plate of the upper box body is positioned, and the first clamp plate 6, the third clamp plate 8 and the second clamp 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 supporting column which extends upwards along the vertical direction, the supporting column is provided with a mounting hole for the fastening part 9 to extend into so as to press the pressing plate on the upper surface of the upper cover plate, and the supporting column and the step surface 11 can be integrally arranged; the upper cover plate is provided with a positioning through hole, when the positioning through hole is coaxial with the supporting column, the positioning of the upper cover plate is completed compared with the step surface 11, and then the upper cover plate is fastened on the step surface 11 by matching with the positioning through hole and the mounting hole in sequence from top to bottom through the fastening part 9 such as a bolt.
But two location seam subassemblies 5 interval settings, and two top position sleeves are little position sleeve 2 and big position sleeve 3 respectively, little position sleeve 2 and the highly uniform of big position sleeve 3, and are located the highly uniform of position sleeve 52 of two location seam subassemblies 5, also promptly, backup pad and median septum all can be fixed in two location seam subassemblies 5 horizontally, realize backup pad, median septum and upper cover plate three's level and rigidity.
As shown in fig. 1 to 4, the positioning sleeve disk 32 includes a positioning disk and a plurality of positioning ends arranged in the circumferential direction of the positioning disk, and is similar to a flying disk shape; the number of the positioning ends can be three, the positioning ends are uniformly 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 as to be supported on the lower end face of the positioning round hole after being positioned by the positioning round hole of the lower box body.
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 the upper 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 ladder is used for fixing a position the round hole.
Similar to the position sleeve disk 32, the top position sleeve (which may be embodied as the small position sleeve 2 and the large position sleeve 3) includes a disk and a plurality of extension ends provided in the circumferential direction of the disk, similar to a flying disk shape; the number of the extension ends can be three, the extension ends are uniformly arranged in the circumferential direction of the disc, and all the extension ends extend towards the outer side along the radial direction of the disc; the outer edge of all the extension ends is in a step shape, and the outline size of the outer edge of all the extension ends is gradually increased from top to bottom along the vertical direction so as to be supported at the bottom of the middle partition plate after being positioned by the through holes of the middle partition plate.
The outer fringe of extension end can be two-layer echelonment, and the ladder size that is located the lower floor is compared in being located the upper ladder size big, and the ladder of lower floor is used for the lower terminal surface of the via hole of bearing median septum, and the upper ladder is used for fixing a position the via hole.
Also similar to the locating sleeve disk 32, the locating sleeve 52 includes a disk-shaped body and a plurality of mating ends disposed circumferentially of the disk-shaped body, similar to a flying disk shape; the number of the matching ends can be three, the matching ends are uniformly arranged in the circumferential direction of the disc-shaped body, and all the matching ends extend towards the outer side 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 size of the outer edges of all the matching ends is gradually increased from top to bottom along the vertical direction so as to be positioned by the through holes of the supporting plate and then supported at the bottom of the supporting plate; that is, the outer fringe of cooperation end can be two-layer echelonment, and the ladder size that is located the lower floor is compared in being located upper ladder size big, and the ladder of lower floor is used for the lower terminal surface of the through-hole of bearing backup pad, and the upper ladder is used for fixing a position the through-hole.
Briquetting 4 rotationally locates the upper surface of cooperation end, and the tip that briquetting 4 kept away from location axle 51 is bent downwards for support the backup pad of fixing a position and bearing through position sleeve 52. That is, the pressing block 4 is shaped like ﹃, the end (right end of ﹃ shape) of the pressing block 4 far away from the positioning shaft 51 is far away from the positioning shaft 51 compared with the matching end, and the top of the end (right end of ﹃ shape) of the pressing block 4 far away from the positioning shaft 51 can abut against the upper end face of the through hole of the supporting plate; after the positioning sleeve disc 32 finishes positioning the through hole, the pressing block 4 is utilized to abut against the supporting plate, so that the position of the supporting plate is ensured to be reliable. Briquetting 4 is parallel in the rotatory rotation axis of cooperation end and location axle 51 relatively, and when locating the backup pad through position sleeve dish 32, briquetting 4 can not interfere the backup pad, and after the position sleeve dish 32 location finishes, accessible briquetting 4 compresses tightly the backup pad.
As shown in fig. 3 to 4, the positioning angle square 50 extends upward along the vertical direction, and the top end of the positioning angle square 50 has a horizontal bending edge for tightly abutting against the lower box. The positioning angle 50 can be detachably connected to the positioning platform 1 by means of bolts or the like. The number of the positioning angle squares 50 may be two, and the two positioning angle squares 50 are located on the same side of the step surface 11, and the bottom of the positioning angle square 50 is not connected to the step surface 11, but is directly connected to the positioning platform 1.
In order to realize that location seam subassembly 5 and locating lever seam subassembly 30 can be fixed in step face 11 firmly, the bottom of location seam subassembly 5 and locating lever seam subassembly 30 still can set up the transition supporting disk, to location seam subassembly 5, the diameter of transition supporting disk is greater than the diameter of location axle 51, to locating lever seam subassembly 30, the diameter of transition supporting disk is greater than long sleeve pipe 31's diameter, the transition supporting disk is equipped with connect the via hole, parts such as usable bolt wear to establish and screw up in step face 11 behind the connect the via hole, thereby realize location seam subassembly 5 and locating lever seam subassembly 30 two and for step face 11 can dismantle the connection.
It is noted that, in this specification, relational terms such as first and second, and the like 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 assembly positioning device of the cotton picking head frame of the cotton picker provided by the utility model is described in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides an assembly positioner of cotton-picking machine cotton-picking head frame which characterized in that includes:
a positioning platform (1) for selecting an upper cover plate for placing an upper box body of a cotton picking head rack of a cotton picking machine and a bottom plate of a lower box body of the cotton picking head rack of the cotton picking machine;
the positioning angle square is detachably arranged on the positioning platform (1) and used for pressing the upper cover plate to the positioning platform (1), and the positioning angle square (50) is detachably arranged on the positioning platform (1) and used for tightly abutting against the bottom plate of the lower box body;
selecting a positioning welding assembly (5) and a positioning rod welding assembly (30) which are 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), a pressing block (4) extending along the radial direction far away from the positioning sleeve (52) is arranged on the positioning sleeve (52), and the pressing block (4) is located 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 being in contact with the upper end face of the through hole so as to press the supporting plate to the positioning platform (1); the top end positioning sleeve is used for positioning a through hole of a 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); location sleeve dish (32) are used for the location round hole of box under the location, work as after the pilot hole of box is worn to establish down in long sleeve pipe (31), gland (10) are laminated in the up end of pilot hole to the realization is located down the box location platform (1).
2. The assembly positioning device according to claim 1, wherein the positioning platform (1) is provided with a step surface (11) for alternatively supporting the bottom plate 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 plate of the upper cover plate and the bottom plate of 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), and the two positioning welding assemblies (30) are detachably arranged on the small positioning boss (12) and the large positioning boss (13).
3. The assembly positioning device according to claim 2, 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), and the first pressing plate (6) and the third pressing plate (8) are used for pressing the upper surface of the upper cover plate and fixing the upper cover plate 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).
4. The assembly positioning device according to claim 3, wherein the upper surface of the step surface (11) is provided with a support column extending upward in the vertical direction, and the support column is provided with a mounting hole for the fastening portion (9) to extend into so as to press the pressing plate against the upper surface of the upper cover plate.
5. The positioning device for assembling is characterized in that the two positioning welding assemblies (5) are arranged at intervals, the two top end 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.
6. The assembly positioning device according to claim 1, wherein the tip positioning sleeve includes a circular disk and a plurality of extension ends provided in a circumferential direction of the circular disk, all of the extension ends extending radially outward of the circular disk; the outer edges of all the extending ends are in a step shape, the outline size of the outer edges of all the extending ends is gradually increased from top to bottom along the vertical direction, and the outer edges are used for being positioned by the through holes of the middle partition plate and then are supported at the bottom of the middle partition plate; and/or the presence of a gas in the gas,
the positioning sleeve disc (32) comprises a positioning disc and a plurality of positioning ends arranged on the circumference of the positioning disc, and all the positioning ends extend towards the outer side along the radial direction of the positioning disc; all the outer edges of the positioning ends are in a step shape, and all the outer edge outline sizes of the positioning ends are gradually increased from top to bottom along the vertical direction so as to be supported on the lower end face of the positioning round hole after being positioned by the positioning round hole of the lower box body.
7. The assembly positioning device according to claim 1, wherein the positioning sleeve (52) comprises a disk-shaped body and a plurality of mating ends arranged in the circumferential direction of the disk-shaped body, all the mating ends extending in the radial direction of the disk-shaped body towards the outside; the outer edges of all the matching ends are in a step shape, and the outline size of the outer edges of all the matching ends is gradually increased from top to bottom along the vertical direction so as to be positioned by 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, far away from the positioning shaft (51), of the pressing block (4) is bent downwards to tightly support the supporting plate positioned and supported by the positioning sleeve (52).
8. The assembly positioning device according to any one of claims 2-4, characterized in that the positioning angle square (50) extends upwards in the vertical direction, and the top end of the positioning angle square (50) is provided with a horizontal bending edge for abutting against the lower box body.
9. Assembly positioning device according to claim 8, in which the two positioning squares (50) are located on the same side of the step surface (11).
10. The assembly positioning device according to claim 8, wherein the bottom of the positioning welding assembly (5) and the positioning rod welding assembly (30) are further provided with transition support discs for detachably connecting with the step surface (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921322450.7U CN210580073U (en) | 2019-08-14 | 2019-08-14 | Assembly positioning device of cotton picking head rack of cotton picker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921322450.7U CN210580073U (en) | 2019-08-14 | 2019-08-14 | Assembly positioning device of cotton picking head rack of cotton picker |
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| Publication Number | Publication Date |
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| CN210580073U true CN210580073U (en) | 2020-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301224A (en) * | 2019-08-14 | 2019-10-08 | 中国铁建重工集团股份有限公司 | Assembly positioning device of cotton picking head rack of cotton picker |
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2019
- 2019-08-14 CN CN201921322450.7U patent/CN210580073U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301224A (en) * | 2019-08-14 | 2019-10-08 | 中国铁建重工集团股份有限公司 | Assembly positioning device of cotton picking head rack of cotton picker |
| CN110301224B (en) * | 2019-08-14 | 2024-04-23 | 中国铁建重工集团股份有限公司 | Assembling and positioning device for cotton picking head frame of cotton picker |
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