CN110340624A - A kind of hopper turnover bracket boring and milling machine processing technology - Google Patents
A kind of hopper turnover bracket boring and milling machine processing technology Download PDFInfo
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- CN110340624A CN110340624A CN201910695860.4A CN201910695860A CN110340624A CN 110340624 A CN110340624 A CN 110340624A CN 201910695860 A CN201910695860 A CN 201910695860A CN 110340624 A CN110340624 A CN 110340624A
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- leg
- workpiece
- hole group
- turnover bracket
- hole
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/02—Boring machines; Combined horizontal boring and milling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
Abstract
The present invention discloses a kind of hopper turnover bracket boring and milling machine processing technology, comprising: vertical clamping workpiece on the table, and the current bottom surface of the first leg of workpiece is adjusted so that its flatness reaches in preset range；On the basis of the current bottom surface of first leg, according to location dimension machining center hole and the first hole group；On the basis of the center of circle of the first hole group, the vertical plane of connecting rib is processed according to location dimension；Horizontal clamping workpiece on the table again is dismantled after workpiece, and adjusts the current bottom surface of first leg so that its flatness reaches in preset range；On the basis of the vertical plane of connecting rib, the second hole group is processed according to location dimension.The present invention is by front and back twice to the vertical clamping of workpiece and horizontal clamping, the processing of the vertical plane of centre bore, the first hole group, the second hole group and connecting rib on completion workpiece, it ensure that machining accuracy, improve the processing efficiency of hopper turnover bracket, production cost is reduced, the deformation deviation of welding procedure generation is avoided.
Description
Technical field
The present invention relates to technology field, in particular to a kind of hopper turnover bracket boring and milling machine processing technology.
Background technique
With the development of Chinese agriculture technology, more and more large size agricultural machinery have been used widely.
In the plantation of cotton material crop, production, processing industry, the plantation link of cotton material crop is even more important, and directly determines
The quality of finished of cotton material.When crop maturities such as cottons, need to pick in time, in case vacant overlong time influences cotton quality.
Currently, realizing automation, agricultural modernization production to improve cotton picking efficiency, carrying out cotton harvesting usually using cotton picker.
Cotton picker is generally divided into several parts such as picking mechanism, transport establishment, hopper, dynamical system, wherein picking mechanism master
It is used to gather in cotton by helical structures such as augers, the cotton consolidated delivery of harvesting into hopper, is filled cotton by transport establishment
It is overturn again after spending and topples over hopper and processed.To guarantee that hopper flip-flop movement is smooth, it is typically provided on the chassis of cotton picker
Turnover bracket installs hopper by turnover bracket, that is, is convenient to overturning hopper.
The turnover bracket of hopper belongs to the critical component on cotton picker, general to exist in pairs, is mounted on the head and the tail two on chassis
End position can clamp the head and the tail both ends of hopper respectively, be mainly used for support, adjusting when hopper overturning.The turnover bracket of cotton thread
The jag shape generally intersected in obtuse angle, with two supporting legs and the connecting rib for interconnecting the two.In processing hopper
When turnover bracket, the docking of two supporting legs is completed generally by the mode of rivet welding.
In the process of current hopper turnover bracket, general there are two types of processing schemes, first is that using large floor
The special equipments such as boring, in process, needing repeatedly to replace milling head could complete to process.Second is that by zero of hopper turnover bracket
Machine is added to position before part welds, and then completes welding processing by tooling.Wherein, the first processing method, machining accuracy can satisfy
Design Requirement Drawing, but process time is too long, low efficiency, cost is excessively high, is unfavorable for producing in batches；Second of processing method,
Although process time is short before welding, after the completion of welding, it is easily deformed, is unable to satisfy required precision.
Therefore, the processing efficiency of hopper turnover bracket how is improved, production cost is reduced, avoids being deformed deviation, is protected
Machining accuracy is demonstrate,proved, is the technical issues of those skilled in the art are faced.
Summary of the invention
The object of the present invention is to provide a kind of hopper turnover bracket boring and milling machine processing technologys, can be improved hopper turnover bracket
Processing efficiency, reduce production cost, avoid being deformed deviation, guarantee machining accuracy.
In order to solve the above technical problems, the present invention provides a kind of hopper turnover bracket boring and milling machine processing technology, comprising:
Vertical clamping workpiece on the table, and the current bottom surface of the first leg of workpiece is adjusted so that its flatness reaches
In preset range；
On the basis of the current bottom surface of the first leg, according to the radial hole of the first leg away from location dimension in institute
State machining center hole on the protruding part on the side wall of first leg；
On the basis of the current bottom surface of the first leg, according to the angle of the first leg of workpiece and the second supporting leg and
The axial hole of the distal end faces of second supporting leg processes the first hole away from location dimension at the terminal position of second supporting leg
Group；
On the basis of the center of circle of the first hole group, according to the horizontal distance location dimension workpieces processing of the first hole group
The vertical plane of the upper connecting rib at the link position of the first leg and second supporting leg；
Dismantle after workpiece horizontal clamping workpiece on the table again, and adjust the first leg current bottom surface so that its
Flatness reaches in preset range；
On the basis of the vertical plane of the connecting rib, according to the horizontal distance positioning rule of the vertical plane of the connecting rib
It is very little that the second hole group is processed at the terminal position of the first leg.
Preferably, in vertical clamping workpiece, by the right angle vertical plate clamping workpiece erected on workbench, and pass through setting
In on the current bottom surface that several equal-height padding irons on table surface are connected to the first leg.
Preferably, it in horizontal clamping workpiece, is supported respectively by several equal-height padding irons being set on table surface
It connects on the current bottom surface of the first leg and second supporting leg.
Preferably, when adjusting the current bottom surface of the first leg, the variation of its flatness is monitored by amesdial.
Preferably, when processing the vertical plane of the connecting rib, its surface roughness is made to reach Ra12.5.
Preferably, the centre bore, first hole group and second hole group are processed by boring cutter, and is added by milling cutter
The vertical plane of connecting rib described in work.
Hopper turnover bracket boring and milling machine processing technology provided by the present invention, is broadly divided into 2 work steps, altogether includes 6 works
Sequence, wherein first work step includes process 1~4, and second work step includes process 5~6.In process 1, first in workbench
Upper vertical clamping workpiece, workpiece is erected on table surface, then adjusts the current bottom surface of the first leg on workpiece,
Reach its flatness in preset range.In process 2, on the basis of the current bottom surface for the first leg adjusted, according to
The radial hole of one main body is positioned on the protruding part on its side wall away from location dimension (L6), and machining center hole, the center
Hole is used to be formed with the corresponding component on hopper and assemble.In process 3, still on the basis of the current bottom surface of first leg, then
It is positioned on the second supporting leg according to first leg and the angle (β) of the second supporting leg, finally according to the second supporting leg distal end faces
Axial hole away from location dimension (L5) process the first hole group.First hole group include several holes, for it is corresponding on hopper
Component forms assembly.In process 4, on the basis of the center of circle of the first hole group processed, according to the horizontal distance of the first hole group
Location dimension (L1) is positioned on the vertical plane of connecting rib, and processes the vertical plane, to guarantee sufficiently accurate level
Distance positioning size.In process 5, clamping is re-started after workpiece is dismantled, this time clamping is horizontal clamping, i.e., puts down workpiece
It is placed on table surface and fixes, then adjust the current bottom surface of first leg, reach its flatness in preset range.In work
In sequence 6, using the vertical plane of the connecting rib processed as datum level, and according to horizontal distance location dimension (L2) at first
It is positioned on leg, and processes the second hole group at the terminal position of first leg, second hole group is used for and pair on hopper
Component is answered to form assembly.In this way, hopper turnover bracket boring and milling machine processing technology provided by the present invention, by front and back twice to work
The vertical clamping and horizontal clamping of part, complete workpiece on centre bore, the first hole group, the second hole group and connecting rib it is vertical
The processing in face, on the basis of during which utilizing the bottom surface of first leg adjusted and the vertical plane of the connecting rib after processing, according to
Corresponding location dimension carries out processing positioning, ensure that machining accuracy, compared with the prior art, improves hopper turnover bracket
Processing efficiency, and without special equipment, production cost is reduced, the deformation deviation of welding procedure generation is avoided.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of specific embodiment provided by the present invention.
Fig. 2 is the front view of workpiece vertical clamping structure on the table.
Fig. 3 is the top view of workpiece horizontal clamping structure on the table.
Wherein, in Fig. 2-Fig. 3:
First leg -1, the second supporting leg -2, connecting rib -3, centre bore -4, the first hole group -5, the second hole group -
6, equal-height padding iron -7, right angle vertical plate -8.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is a kind of flow chart of specific embodiment provided by the present invention.
In a kind of specific embodiment provided by the present invention, hopper turnover bracket boring and milling machine processing technology is broadly divided into
2 work steps include altogether 6 processes, wherein first work step includes process 1~4, and second work step includes process 5~6.
In process 1, workpiece is erected on table surface, then by vertical clamping workpiece on the table first
The current bottom surface for adjusting the first leg 1 on workpiece, reaches its flatness in preset range, and levels off to horizontal plane.
In process 2, on the basis of the current bottom surface (the diagram face A) for the first leg 1 adjusted, and according to first leg
1 radial hole is positioned on the protruding part on its side wall away from location dimension (diagram L6), and machining center hole 4, the center
Hole 4 is used to be formed with the corresponding component on hopper and assemble.
In process 3, still on the basis of the current bottom surface of first leg 1, further according to first leg 1 and the second supporting leg 2
Angle (β) positioned on the second supporting leg 2, finally according to the axial hole of 2 distal end faces of the second supporting leg away from location dimension (figure
Show L5) the first hole of processing group 5.First hole group 5 includes several holes, and is located at the end of the second supporting leg 2, is used for and hopper
Corresponding component formed assembly.Since the first hole group 5 includes multiple holes, other than location dimension L5, also by mutual
Between location dimension --- radial clearance L3 and axial gap L4 auxiliary positioning.
Obviously, process 2 and process 3 have no stringent sequencing, and when practical operation can be exchanged.
In process 4, on the basis of the center of circle of the first hole group 5 processed, positioned according to the horizontal distance of the first hole group 5
Size (diagram L1) is positioned on the vertical plane of connecting rib 3, and processes the vertical plane, to guarantee hanging down for connecting rib 3
Facing directly has degree of precision with the horizontal distance location dimension of the first hole group 5.It in this process, can be in the first hole group 5
The circular hole in any one hole is as benchmark, for convenience of size detection and positioning, generally with farthest away from A datum level in the first hole group 5
Hole as benchmark.
In process 5, clamping is re-started after workpiece is dismantled, this time clamping is horizontal clamping, i.e., lies in workpiece
It is fixed on table surface, then adjusts the current bottom surface (the diagram face B) of first leg 1, its flatness is made to reach default
In range, and level off to horizontal plane.
In process 6, using the vertical plane of the connecting rib 3 processed as datum level, and according to horizontal distance positioning rule
Very little (diagram L2) is positioned in first leg 1, and the second hole group 6 is then processed at the terminal position of first leg 1, this
Two holes group 6 assembles for being formed with the corresponding component on hopper.Similarly, the second hole group 6 also includes multiple edges in first leg 1
The hole of its length direction distribution can process first hole according to location dimension L2 first, further according to adjacent two during processing
The pitch-row location dimension in a hole processes remaining hole.
In this way, hopper turnover bracket boring and milling machine processing technology provided by the present embodiment, by front and back twice to workpiece
Vertical clamping and horizontal clamping complete the vertical of centre bore 4 on workpiece, the first hole the 5, second hole of group group 6 and connecting rib 3
The processing in face, on the basis of during which utilizing the bottom surface of first leg 1 adjusted and the vertical plane of the connecting rib 3 after processing, root
Processing positioning is carried out according to corresponding location dimension, ensure that machining accuracy, compared with the prior art, improves hopper turnover bracket
Processing efficiency reduce production cost and without special equipment, avoid the deformation deviation of welding procedure generation.
As shown in Fig. 2, Fig. 2 is the front view of workpiece vertical clamping structure on the table.
It, specifically can be by erecting the right angle vertical plate 8 on table surface when carrying out vertical clamping to workpiece in work step 1
Carry out clamping workpiece, while the equal-height padding iron 7 that can be arranged in by several on table surface is padded by workpiece.Specifically, work
Part can be tightly attached on the surface of right angle vertical plate 8, and (not shown in figure by several positioning seats being arranged on 8 surface of right angle vertical plate
Clamping is carried out out) to fix.Simultaneously as the first stabilizer blade 1 is normally at lower end, and first leg 1 is long straight when workpiece erects
Pipe, therefore, each equal-height padding iron 7 can be on table surfaces along arranged in a straight line, to abut with the current bottom surface of first leg 1.
Then each equal-height padding iron 7 is gradually adjusted to the padded height of each position of the current bottom surface of first leg 1, it is made to level off to
Horizontal plane and as datum level.
As shown in figure 3, Fig. 3 is the top view of workpiece horizontal clamping structure on the table.
When carrying out horizontal clamping to workpiece in work step 2, directly workpiece can be lain on the surface of workbench, and passes through
Several positioning seat (not shown)s being arranged on table surface carry out clamping and fix.Meanwhile also with several etc.
High parallels 7 is padded by workpiece, so that the current bottom surface of the first stabilizer blade 1 (bottom surface when bottom surface and previous clamping is Different Plane)
It is pressed on each equal-height padding iron 7.Then each equal-height padding iron 7 is gradually adjusted to each position of the current bottom surface of first leg 1
The padded height set makes it level off to horizontal plane and as datum level.Period causes workpiece inclined to prevent gravity torque
Turn, 4 equal-height padding irons 7 can be used, and wherein 2 equal-height padding irons 7 pad the end positions in first leg 1 respectively, in addition 2
Equal-height padding iron 7 pads the end positions in the second supporting leg 2 respectively.
In addition, the amesdial real-time detection first leg on lathe can be passed through during adjusting the bottom surface of first leg 1
The flatness of 1 bottom surface changes, and staff is facilitated to grasp progress, improves machining accuracy and efficiency.
In addition, when processing the vertical plane of connecting rib 3, to guarantee the horizontal distance positioning on its surface to the first hole group 5
Size L1 is accurate enough, and the vertical plane of connecting rib 3 can be machined to the level that surface roughness reaches Ra12.5.Based on same
Consider, before processing the first hole group 5, spot hole can be carried out in the corresponding position on the end of the second supporting leg 2 first, but wouldn't
Processing, detects the horizontal distance between the vertical plane of the unprocessed connecting rib 3 of the Kong Yushang pointed out later.If the detected value
Greater than L1, then illustrate that the vertical plane of connecting rib 3 has enough Milling Process surpluses, it can gradually milling connecting rib 3
Vertical plane, so that detected value gradually levels off to L1.Conversely, illustrating the vertical of connecting rib 3 at this time if the detected value is less than L1
The Milling Process surplus in face is insufficient, at this time can point hole site of the first hole of appropriate adjustment group 5 on 2 end of the second supporting leg so that
Hole site is put along the axial translation Δ L of the second supporting leg 2, to guarantee that detected value adjusted is greater than L1.
In process, the present embodiment is processed using boring and milling machine, for the centre bore 4 on workpiece, the first hole group 5
With the second hole group 6, bore hole can be carried out by boring cutter；For the vertical plane of the connecting rib 3 on workpiece, can be milled by milling cutter
It cuts.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (6)
1. a kind of hopper turnover bracket boring and milling machine processing technology characterized by comprising
Vertical clamping workpiece on the table, and the current bottom surface of the first leg of workpiece is adjusted so that its flatness reaches default
In range；
On the basis of the current bottom surface of the first leg, according to the radial hole of the first leg away from location dimension described
Machining center hole on protruding part on the side wall of one supporting leg；
On the basis of the current bottom surface of the first leg, according to the angle of the first leg of workpiece and the second supporting leg and described
The axial hole of the distal end faces of second supporting leg processes the first hole group away from location dimension at the terminal position of second supporting leg；
On the basis of the center of circle of the first hole group, the horizontal distance location dimension workpieces processing according to the first hole group is upper
The vertical plane of connecting rib at the link position of the first leg and second supporting leg；
Horizontal clamping workpiece on the table again is dismantled after workpiece, and adjusts the current bottom surface of the first leg so that its plane
Degree reaches in preset range；
On the basis of the vertical plane of the connecting rib, existed according to the horizontal distance location dimension of the vertical plane of the connecting rib
The second hole group is processed at the terminal position of the first leg.
2. hopper turnover bracket boring and milling machine processing technology according to claim 1, which is characterized in that in vertical clamping workpiece
When, by the right angle vertical plate clamping workpiece erected on workbench, and several contour pads by being set on table surface
Iron is connected on the current bottom surface of the first leg.
3. hopper turnover bracket boring and milling machine processing technology according to claim 2, which is characterized in that in horizontal clamping workpiece
When, it is connected to the first leg and second supporting leg respectively by several equal-height padding irons being set on table surface
Current bottom surface on.
4. hopper turnover bracket boring and milling machine processing technology according to claim 3, which is characterized in that in adjustment described first
When the current bottom surface of supporting leg, the variation of its flatness is monitored by amesdial.
5. hopper turnover bracket boring and milling machine processing technology according to claim 4, which is characterized in that processing the connection
When the vertical plane of gusset, its surface roughness is made to reach Ra12.5.
6. hopper turnover bracket boring and milling machine processing technology according to claim 5, which is characterized in that process institute by boring cutter
Centre bore, first hole group and second hole group are stated, and processes the vertical plane of the connecting rib by milling cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910695860.4A CN110340624B (en) | 2019-07-30 | 2019-07-30 | Machining process of boring and milling machine for overturning bracket of cotton box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910695860.4A CN110340624B (en) | 2019-07-30 | 2019-07-30 | Machining process of boring and milling machine for overturning bracket of cotton box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110340624A true CN110340624A (en) | 2019-10-18 |
| CN110340624B CN110340624B (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910695860.4A Active CN110340624B (en) | 2019-07-30 | 2019-07-30 | Machining process of boring and milling machine for overturning bracket of cotton box |
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| CN103737259A (en) * | 2013-12-20 | 2014-04-23 | 柳州正菱集团有限公司 | Machining method of bearing supporting frame of middle shaft of small car |
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