CN110900121A - Processing method of static pressure line double-arm sand box - Google Patents
Processing method of static pressure line double-arm sand box Download PDFInfo
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- CN110900121A CN110900121A CN201911064557.0A CN201911064557A CN110900121A CN 110900121 A CN110900121 A CN 110900121A CN 201911064557 A CN201911064557 A CN 201911064557A CN 110900121 A CN110900121 A CN 110900121A
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- 244000035744 Hura crepitans Species 0.000 title claims abstract description 157
- 230000003068 static effect Effects 0.000 title claims abstract description 47
- 238000003672 processing method Methods 0.000 title claims abstract description 17
- 238000003801 milling Methods 0.000 claims abstract description 125
- 238000005553 drilling Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 17
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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- 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
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Abstract
The invention is suitable for the technical field of sand box processing technology, and provides a processing method of a static pressure line double-arm sand box, which comprises the following steps: firstly, roughly milling the upper surface of a sand box blank, the lower surface of the sand box blank, the upper surface of a guide rail and the upper surface of an inner cavity, and then milling in a vertical machining center; drilling an upper box closing pin hole and a lower box closing pin hole in a vertical machining center, and then carrying out rough boring and fine boring; and drilling a wear-resistant block fixing hole and a cable box shaft fixing hole on the horizontal machining center, and then carrying out rough boring and fine boring. Therefore, the static pressure line double-arm sand box can be processed in batches, the obtained sand box is high in standardization degree and processing precision, long in service life, and capable of processing standardized and serialized castings, and the obtained castings are high in precision.
Description
Technical Field
The invention relates to the technical field of sand box processing technologies, in particular to a processing method of a static pressure line double-arm sand box.
Background
In the process of casting production of castings, a casting sand box is generally used as a mold, and molten iron is poured into the casting sand box to cast castings required by users.
The patent with publication number CN208743630U discloses an improved casting sand box, which comprises a cope box and a drag box, wherein a through sand storage cavity is arranged in the cope box and the drag box, four symmetrically distributed connecting support rods are arranged on the outer sides of the cope box and the drag box, triangular reinforcing ribs are arranged at the joints of the connecting support rods, the cope box and the drag box, a plurality of strip-shaped reinforcing ribs are arranged on the outer surfaces of the cope box and the drag box, flange edges are arranged at the upper end and the lower end of the sand storage cavity, a positioning device convenient for closing the sand box is arranged on the flange edges of the cope box and the drag box, the positioning device and the connecting support rods are fixed on the same side of the cope box and the drag box, and locking devices used for fixing the relative positions of the cope box and the drag box are arranged. This patent fully discloses the specific structure of the flask.
Flasks have become the process equipment often used in foundries and their specific construction has become known to those skilled in the art, but relatively little prior art has been devoted to the process and method of making the flasks.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
In view of the above-described drawbacks, an object of the present invention is to provide a method for processing a static pressure line double-arm flask, which is capable of processing static pressure line double-arm flasks in batch, and which can obtain flasks having a high degree of standardization and processing accuracy, a long service life, and which can process standardized and serialized castings, and can obtain castings having a high accuracy.
In order to achieve the purpose, the invention provides a processing method of a static pressure line double-arm sand box, which comprises the following steps:
step one
Roughly milling the upper surface of the sand box blank and the lower surface of the sand box blank by using a milling machine;
step two
A. Finely milling the upper surface of the blank on a vertical machining center to ensure that the width of the upper surface of the blank is 33mm at least;
B. roughly milling a pin hole surface of an upper box assembling pin hole, and then finely milling a pin hole surface of the upper box assembling pin hole, wherein the depth of the upper box assembling pin hole is 14.7-15.3 mm;
C. roughly milling the upper surface of a guide rail of the sand box, and then finely milling the upper surface of the guide rail to ensure that the height difference between the upper surface of the blank and the upper surface of the guide rail is 66.7-70.3 mm;
D. roughly milling the upper surface of the inner cavity of the sand box blank;
step three
Firstly, drilling an upper box-closing pin hole in the vertical machining center, then roughly boring the upper box-closing pin hole, and then finely boring the upper box-closing pin hole to be 54-58 mm in diameter;
step four
E. Finely milling the lower surface of the blank on the vertical machining center to enable the width of the lower surface of the blank to be 33mm at least;
F. firstly, roughly milling a pin hole surface of a lower mould assembling pin hole, and then finely milling the pin hole surface of the lower mould assembling pin hole, wherein the depth of the lower mould assembling pin hole is 14.7-15.3 mm;
G. roughly milling the lower surface of the guide rail of the sand box, and then finely milling the lower surface of the guide rail to ensure that the height difference between the lower surface of the blank and the lower surface of the guide rail is 66.7-70.3 mm;
H. roughly milling the lower surface of the inner cavity of the sand box blank;
step five
Firstly, drilling a lower box assembling pin hole on the vertical machining center, then roughly boring the lower box assembling pin hole, and then finely boring the diameter of the lower box assembling pin hole to be 54-58 mm;
step six
Roughly milling the side face of the sand box on a horizontal machining center; finely milling the side face of the sand box to enable the width of the side face of the sand box to be 1116.6-1120.4 mm;
step seven
I. Drilling wear-resistant block fixing holes in the horizontal machining center, wherein the depth of each wear-resistant block fixing hole is 1660-1664 mm;
J. firstly drilling a cable box shaft fixing hole, then roughly boring the cable box shaft fixing hole, and finely boring the cable box shaft fixing hole with the diameter of 35.5-36.5 mm and the depth of 153-156 mm;
K. finely boring the diameter of the wear-resistant block fixing hole to be 67.5-68.5 mm;
step eight
And milling a guide surface of the guide rail of the sand box on the horizontal machining center, wherein the length of the guide surface of the guide rail is 26.5-30.5 mm, and the inclination angle of the guide surface of the guide rail is 5-6 degrees.
According to the processing method of the static pressure line double-arm sand box, in the first step, the processing allowance is kept for 2-3 mm when the upper surface of the blank and the lower surface of the blank are roughly milled.
According to the processing method of the static pressure line double-arm sand box, in the sixth step, in the process of roughly milling the side face of the sand box, a margin of 0.4-0.6 mm is left on one side.
According to the processing method of the static pressure line double-arm sand box, in the step I of the seventh step, in the process of roughly milling the wear-resisting block fixing holes, the allowance left on the side edge is 0.2-0.3 mm.
According to the processing method of the static pressure line double-arm sand box, in the step J, the diameter of the cable box shaft fixing hole is drilled firstly and is 26.5-30.5 mm, and the depth is 145-150 mm; and then roughly boring the cable box shaft fixing hole with the diameter of 34-35 mm and the depth of 151-155 mm.
According to the processing method of the static pressure line double-arm sand box, in the seventh step, a plurality of threaded holes are further formed around the wear-resisting block fixing hole and the cable box shaft fixing hole.
According to the processing method of the static pressure line double-arm sand box, in the third step, the diameter of the upper mould assembling pin hole drilled in the vertical processing center is 52-56 mm; and roughly boring the diameter of the upper box closing pin hole to be 53-57 mm.
According to the processing method of the static pressure line double-arm sand box, in the fifth step, the diameter of the lower mould assembling pin hole drilled in the vertical processing center is 52-56 mm; and roughly boring the lower box closing pin hole, wherein the diameter of the lower box closing pin hole is 53-57 mm.
According to the processing method of the static pressure line double-arm sand box, the milling machine in the step one is a planomiller.
The static pressure line double-arm sand box is manufactured by the processing method of the static pressure line double-arm sand box.
The invention aims to provide a processing method of a static pressure line double-arm sand box, wherein a milling machine is used for roughly milling the upper surface of a sand box blank and the lower surface of the sand box blank, and the upper surface of the blank and the lower surface of the blank are finely milled on a vertical processing center, so that the upper sand box and the lower sand box are seamless when being connected, and the precision is higher; roughly milling the upper surface of the guide rail of the sand box, the lower surface of the guide rail and the upper surface of the inner cavity; an upper box closing pin hole and a lower box closing pin hole are drilled in the vertical machining center, and fine boring is performed, so that the pin holes of the upper sand box and the lower sand box are accurate in correspondence when the upper sand box and the lower sand box are connected, the connection stability is high, a worker can quickly complete connection work, and the work efficiency is improved; roughly milling the side face of the sand box on a horizontal machining center, and then finely milling; a wear-resistant block fixing hole and a cable box shaft fixing hole are drilled in the horizontal machining center, the wear-resistant block can be placed in the wear-resistant block fixing hole, abrasion and collision force between two adjacent sand boxes are reduced, the service life of the sand boxes is prolonged, and the cable box shaft fixing hole enables the cable box shaft to be more stable when the sand boxes are hoisted; and finally, milling a guide surface of a guide rail of the sand box to obtain the double-arm sand box of the static pressure line. In conclusion, the beneficial effects of the invention are as follows: the static pressure line double-arm sand box can be processed in batches, the obtained sand box is high in standardization degree and processing precision, long in service life, and capable of processing standardized and serialized castings, and the obtained castings are high in precision.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
in the figure: 1-upper surface of blank, 2-lower surface of blank, 3-upper box-closing pin hole, 4-upper surface of guide rail, 5-upper surface of inner cavity, 6-lower box-closing pin hole, 7-lower surface of guide rail, 8-lower surface of inner cavity, 9-side surface, 10-fixing hole of wear-resistant block, 11-fixing hole of cable box shaft and 12-guide rail guide surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a method for processing a static pressure line double-arm sand box, which comprises the following steps:
step one
And roughly milling the upper surface 1 of the sand box blank and the lower surface 2 of the sand box blank by using a milling machine, and reserving machining allowance of 2-3 mm. In the invention, the milling machine is a gantry milling machine.
Step two
A. Finish milling the upper surface 1 of the sand box blank on a vertical machining center to ensure that the width of the upper surface 1 of the blank is 33mm at least;
B. roughly milling the pin hole surface of the upper box assembling pin hole 3, and then finely milling the pin hole surface of the upper box assembling pin hole 3 to enable the depth of the upper box assembling pin hole 3 to be 14.7-15.3 mm;
C. roughly milling the upper surface of the sand box guide rail, and then finely milling the upper surface 4 of the sand box guide rail to ensure that the height difference between the upper surface 1 of the blank and the upper surface 4 of the guide rail is 66.7-70.3 mm;
D. roughly milling the upper surface 5 of the inner cavity of the sand box blank.
When the static pressure line double-arm sand box is used, a plurality of static pressure line double-arm sand boxes are overlapped, therefore, an upper box closing pin hole 3 in the static pressure line double-arm sand box is correspondingly connected with a lower box closing pin hole 6 of the static pressure line double-arm sand box arranged on the upper box closing pin hole, and pins are inserted into the upper box closing pin hole 3 and the lower box closing pin hole 6 so as to connect two vertically adjacent static pressure line double-arm sand boxes.
Step three
Firstly, drilling an upper mould assembling pin hole 3 in a vertical machining center, and enabling the diameter of the upper mould assembling pin hole 3 to be 52-56 mm; then roughly boring the upper box closing pin hole 3 with the diameter of 53-57 mm; and finely boring the upper box closing pin hole 3 to be 54-58 mm in diameter.
Step four
E. Finish milling the lower surface 2 of the sand box blank on a vertical machining center to ensure that the width of the lower surface 2 of the blank is 33mm at least; the finish milling of the upper surface 1 and the lower surface 2 of the blank of the sand box can ensure that no gap exists between the upper sand box and the lower sand box when the upper sand box and the lower sand box are connected, and the precision is higher;
F. roughly milling the pin hole surface of a lower box closing pin hole 6, and then finely milling the pin hole surface of the lower box closing pin hole 6, wherein the depth of the lower box closing pin hole 6 is 14.7-15.3 mm;
G. firstly, roughly milling the lower surface 7 of the sand box guide rail, and then finely milling the lower surface 7 of the sand box guide rail, so that the height difference between the lower surface 2 of the blank and the lower surface 7 of the sand box guide rail is 66.7-70.3 mm;
H. and roughly milling the lower surface 8 of the inner cavity of the sand box blank.
The lower box closing pin hole 6 in the present invention is used in the same way as the upper box closing pin hole 3, and is used to connect the upper box closing pin hole 3 of the static pressure line double arm sand box provided thereunder.
Step five
Drilling a lower box closing pin hole 6 on a vertical machining center to enable the diameter of the lower box closing pin hole 6 to be 52-56 mm; then roughly boring the diameter of the lower box closing pin hole 6 to be 53-57 mm; and finely boring the lower box closing pin hole 6 to be 54-58 mm in diameter.
According to the invention, the upper mould-closing pin hole 3 and the lower mould-closing pin hole 6 are precisely machined, so that the positioning connection accuracy of the double-arm sand box of the static pressure line can be improved, the double-arm sand box of the high static pressure line is more convenient to use, and the casting precision is improved.
Step six
Roughly milling the side face 9 of the sand box on a horizontal machining center, wherein a single edge is left with a margin of 0.4-0.6 mm in the rough milling process; and finely milling the side surface 9 of the sand box to ensure that the width of the side surface 9 of the sand box is 1116.6-1120.4 mm.
Step seven
I. Drilling a wear-resistant block fixing hole 10 in a horizontal machining center, wherein the depth of the wear-resistant block fixing hole 10 is 1660-1664 mm, and the allowance left on the side edge is 0.2-0.3 mm in the machining process;
J. firstly, drilling a cable box shaft fixing hole 11, wherein the diameter of the cable box shaft fixing hole 11 is 26.5-30.5 mm, and the depth of the cable box shaft fixing hole is 145-150 mm; then roughly boring the cable box shaft fixing hole 11 with the diameter of 34-35 mm and the depth of 151-155 mm; and finely boring the cable box shaft fixing hole 11 with the diameter of 35.5-36.5 mm and the depth of 153-156 mmK, and finely boring the wear-resistant block fixing hole 10 with the diameter of 67.5-68.5 mm.
The wear-resistant block fixing hole 10 is used for placing the wear-resistant block, so that when two static pressure line double-arm sand boxes which are adjacent to each other on the left and right collide, force acts on the wear-resistant block, collision between the static pressure line double-arm sand boxes is avoided, and the service life of the sand boxes is prolonged.
The cable box shaft fixing hole 11 is used for connecting a cable box shaft for lifting a static pressure line double-arm sand box.
Certainly, when the wear-resistant block fixing hole 10 and the cable box shaft fixing hole 11 are machined, a plurality of threaded holes matched with the wear-resistant block fixing hole 10 and the cable box shaft fixing hole 11 need to be machined around and tapped on; the threaded hole is used for fixing the wear-resistant block or the cable box shaft. Several in the present invention means at least two.
Step eight
And milling the sand box guide rail guide surface 12 on the horizontal machining center, wherein the length of the sand box guide rail guide surface 12 is 26.5-30.5 mm, and the inclination angle of the guide rail guide surface 12 is 5-6 degrees, so that the stress of the guide rail guide surface 12 is reduced.
Step nine
And (5) polishing and deburring the sand box blank processed in the step eight to obtain the finished static pressure line double-arm sand box.
The static pressure line double-arm sand box is processed in batch by the method, the obtained sand box has the advantages of uniform specification, high processing precision, low surface roughness and long service life, standardized and serialized casting processing can be carried out, and the obtained casting precision is high.
In order to verify the above processing method, the present invention provides the following embodiments.
Example one
Step one
Roughly milling the upper surface of the sand box blank and the lower surface of the sand box blank by using a milling machine;
step two
A. Finely milling the upper surface of the blank on a vertical machining center to enable the width of the upper surface of the blank to be 33 mm;
B. roughly milling a pin hole surface of an upper box assembling pin hole, and then finely milling a pin hole surface of the upper box assembling pin hole, wherein the depth of the upper box assembling pin hole is 14.8 mm;
C. roughly milling the upper surface of a guide rail of a sand box, and then finely milling the upper surface of the guide rail to ensure that the height difference between the upper surface of the blank and the upper surface of the guide rail is 66.9 mm;
D. roughly milling the upper surface of the inner cavity of the sand box blank;
step three
Firstly, drilling an upper box-closing pin hole in the vertical machining center, then roughly boring the upper box-closing pin hole, and then finely boring the diameter of the upper box-closing pin hole to be 54 mm;
step four
E. Finely milling the lower surface of the blank on the vertical machining center to enable the width of the lower surface of the blank to be 33 mm;
F. firstly, roughly milling a pin hole surface of a lower box assembling pin hole, and then finely milling the pin hole surface of the lower box assembling pin hole, wherein the depth of the lower box assembling pin hole is 14.7 mm;
G. roughly milling the lower surface of the guide rail of the sand box, and then finely milling the lower surface of the guide rail to ensure that the height difference between the lower surface of the blank and the lower surface of the guide rail is 66.8 mm;
H. roughly milling the lower surface of the inner cavity of the sand box blank;
step five
Firstly, drilling a lower box assembling pin hole on the vertical machining center, then roughly boring the lower box assembling pin hole, and then finely boring the diameter of the lower box assembling pin hole to be 54 mm;
step six
Roughly milling the side face of the sand box on a horizontal machining center; finely milling the side surface of the sand box to ensure that the width of the side surface of the sand box is 1116.7 mm;
step seven
I. Drilling a wear-resistant block fixing hole in the horizontal machining center, wherein the depth of the wear-resistant block fixing hole is 1661 mm;
J. firstly, drilling a cable box shaft fixing hole, then roughly boring the cable box shaft fixing hole, and finely boring the cable box shaft fixing hole with the diameter of 35.5mm and the depth of 153 mm;
K. finely boring the diameter of the wear-resistant block fixing hole to be 67.8 mm;
step eight
And milling a guide surface of the guide rail of the sand box on the horizontal machining center, wherein the length of the guide rail guide surface is 27mm, and the inclination angle of the guide rail guide surface is 5.2 degrees.
Example two
Step one
Roughly milling the upper surface of the sand box blank and the lower surface of the sand box blank by using a milling machine;
step two
A. Finely milling the upper surface of the blank on a vertical machining center to enable the width of the upper surface of the blank to be 35 mm;
B. roughly milling a pin hole surface of an upper box assembling pin hole, and then finely milling a pin hole surface of the upper box assembling pin hole, wherein the depth of the upper box assembling pin hole is 15 mm;
C. roughly milling the upper surface of a guide rail of a sand box, and then finely milling the upper surface of the guide rail to ensure that the height difference between the upper surface of the blank and the upper surface of the guide rail is 68.2 mm;
D. roughly milling the upper surface of the inner cavity of the sand box blank;
step three
Firstly, drilling an upper box-closing pin hole in the vertical machining center, then roughly boring the upper box-closing pin hole, and then finely boring the diameter of the upper box-closing pin hole to be 57 mm;
step four
E. Finely milling the lower surface of the blank on the vertical machining center to enable the width of the lower surface of the blank to be 34 mm;
F. firstly, roughly milling a pin hole surface of a lower box assembling pin hole, and then finely milling the pin hole surface of the lower box assembling pin hole, wherein the depth of the lower box assembling pin hole is 15 mm;
G. roughly milling the lower surface of the guide rail of the sand box, and then finely milling the lower surface of the guide rail to ensure that the height difference between the lower surface of the blank and the lower surface of the guide rail is 68.2 mm;
H. roughly milling the lower surface of the inner cavity of the sand box blank;
step five
Firstly, drilling a lower box assembling pin hole on the vertical machining center, then roughly boring the lower box assembling pin hole, and then finely boring the diameter of the lower box assembling pin hole to be 56 mm;
step six
Roughly milling the side face of the sand box on a horizontal machining center; finely milling the side surface of the sand box to ensure that the width of the side surface of the sand box is 1118.5 mm;
step seven
I. Drilling a wear-resistant block fixing hole in the horizontal machining center, wherein the depth of the wear-resistant block fixing hole is 1662 mm;
J. firstly, drilling a cable box shaft fixing hole, then roughly boring the cable box shaft fixing hole, and then finely boring the cable box shaft fixing hole with the diameter of 36mm and the depth of 155 mm;
K. finely boring the wear-resistant block fixing hole with the diameter of 68 mm;
step eight
And milling a guide surface of the guide rail of the sand box on the horizontal machining center, wherein the length of the guide rail guide surface is 28mm, and the inclination angle of the guide rail guide surface is 5.7 degrees.
EXAMPLE III
Step one
Roughly milling the upper surface of the sand box blank and the lower surface of the sand box blank by using a milling machine;
step two
A. Finely milling the upper surface of the blank on a vertical machining center to enable the width of the upper surface of the blank to be 36 mm;
B. roughly milling a pin hole surface of an upper box assembling pin hole, and then finely milling a pin hole surface of the upper box assembling pin hole, wherein the depth of the upper box assembling pin hole is 15.3 mm;
C. roughly milling the upper surface of a guide rail of the sand box, and then finely milling the upper surface of the guide rail to ensure that the height difference between the upper surface of the blank and the upper surface of the guide rail is 70.2 mm;
D. roughly milling the upper surface of the inner cavity of the sand box blank;
step three
Firstly, drilling an upper box-closing pin hole in the vertical machining center, then roughly boring the upper box-closing pin hole, and then finely boring the diameter of the upper box-closing pin hole to be 57 mm;
step four
E. Finely milling the lower surface of the blank on the vertical machining center to enable the width of the lower surface of the blank to be 36 mm;
F. firstly, roughly milling a pin hole surface of a lower box assembling pin hole, and then finely milling the pin hole surface of the lower box assembling pin hole, wherein the depth of the lower box assembling pin hole is 15.2 mm;
G. roughly milling the lower surface of the guide rail of the sand box, and then finely milling the lower surface of the guide rail to ensure that the height difference between the lower surface of the blank and the lower surface of the guide rail is 70.3 mm;
H. roughly milling the lower surface of the inner cavity of the sand box blank;
step five
Firstly, drilling a lower box assembling pin hole on the vertical machining center, then roughly boring the lower box assembling pin hole, and then finely boring the diameter of the lower box assembling pin hole to be 58 mm;
step six
Roughly milling the side face of the sand box on a horizontal machining center; finely milling the side surface of the sand box to enable the width of the side surface of the sand box to be 1120 mm;
step seven
I. Drilling a wear-resistant block fixing hole in the horizontal machining center, wherein the depth of the wear-resistant block fixing hole is 1664 mm;
J. firstly, drilling a cable box shaft fixing hole, then roughly boring the cable box shaft fixing hole, and then finely boring the cable box shaft fixing hole with the diameter of 36.4mm and the depth of 155 mm;
K. finely boring the wear-resistant block fixing hole with the diameter of 68.4 mm;
step eight
And milling a guide surface of the guide rail of the sand box on the horizontal machining center, wherein the length of the guide rail guide surface is 30.3mm, and the inclination angle of the guide rail guide surface is 5.8 degrees.
In conclusion, the upper surface and the lower surface of the sand box blank are roughly milled by using the milling machine, and the upper surface and the lower surface of the sand box blank are finely milled on the vertical machining center, so that the upper sand box and the lower sand box are seamless in connection, and the precision is higher; roughly milling the upper surface of the guide rail of the sand box, the lower surface of the guide rail and the upper surface of the inner cavity; an upper box closing pin hole and a lower box closing pin hole are drilled in the vertical machining center, and fine boring is performed, so that the pin holes of the upper sand box and the lower sand box are accurate in correspondence when the upper sand box and the lower sand box are connected, the connection stability is high, a worker can quickly complete connection work, and the work efficiency is improved; roughly milling the side face of the sand box on a horizontal machining center, and then finely milling; a wear-resistant block fixing hole and a cable box shaft fixing hole are drilled in the horizontal machining center, the wear-resistant block can be placed in the wear-resistant block fixing hole, abrasion and collision force between two adjacent sand boxes are reduced, the service life of the sand boxes is prolonged, and the cable box shaft fixing hole enables the cable box shaft to be more stable when the sand boxes are hoisted; and finally, milling a guide surface of a guide rail of the sand box to obtain the double-arm sand box of the static pressure line. In conclusion, the beneficial effects of the invention are as follows: the static pressure line double-arm sand box can be processed in batches, the obtained sand box is high in standardization degree and processing precision, long in service life, and capable of processing standardized and serialized castings, and the obtained castings are high in precision.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A processing method of a static pressure line double-arm sand box is characterized by comprising the following steps:
step one
Roughly milling the upper surface of the sand box blank and the lower surface of the sand box blank by using a milling machine;
step two
A. Finely milling the upper surface of the blank on a vertical machining center to ensure that the width of the upper surface of the blank is 33mm at least;
B. roughly milling a pin hole surface of an upper box assembling pin hole, and then finely milling a pin hole surface of the upper box assembling pin hole, wherein the depth of the upper box assembling pin hole is 14.7-15.3 mm;
C. roughly milling the upper surface of a guide rail of the sand box, and then finely milling the upper surface of the guide rail to ensure that the height difference between the upper surface of the blank and the upper surface of the guide rail is 66.7-70.3 mm;
D. roughly milling the upper surface of the inner cavity of the sand box blank;
step three
Firstly, drilling an upper box-closing pin hole in the vertical machining center, then roughly boring the upper box-closing pin hole, and then finely boring the upper box-closing pin hole to be 54-58 mm in diameter;
step four
E. Finely milling the lower surface of the blank on the vertical machining center to enable the width of the lower surface of the blank to be 33mm at least;
F. firstly, roughly milling a pin hole surface of a lower mould assembling pin hole, and then finely milling the pin hole surface of the lower mould assembling pin hole, wherein the depth of the lower mould assembling pin hole is 14.7-15.3 mm;
G. roughly milling the lower surface of the guide rail of the sand box, and then finely milling the lower surface of the guide rail to ensure that the height difference between the lower surface of the blank and the lower surface of the guide rail is 66.7-70.3 mm;
H. roughly milling the lower surface of the inner cavity of the sand box blank;
step five
Firstly, drilling a lower box assembling pin hole on the vertical machining center, then roughly boring the lower box assembling pin hole, and then finely boring the diameter of the lower box assembling pin hole to be 54-58 mm;
step six
Roughly milling the side face of the sand box on a horizontal machining center; finely milling the side face of the sand box to enable the width of the side face of the sand box to be 1116.6-1120.4 mm;
step seven
I. Drilling wear-resistant block fixing holes in the horizontal machining center, wherein the depth of each wear-resistant block fixing hole is 1660-1664 mm;
J. firstly drilling a cable box shaft fixing hole, then roughly boring the cable box shaft fixing hole, and finely boring the cable box shaft fixing hole with the diameter of 35.5-36.5 mm and the depth of 153-156 mm;
K. finely boring the diameter of the wear-resistant block fixing hole to be 67.5-68.5 mm;
step eight
And milling a guide surface of the guide rail of the sand box on the horizontal machining center, wherein the length of the guide surface of the guide rail is 26.5-30.5 mm, and the inclination angle of the guide surface of the guide rail is 5-6 degrees.
2. The method for processing the static pressure line double-arm sand box according to the claim 1, wherein in the first step, a processing margin of 2-3 mm is left when the upper surface of the blank and the lower surface of the blank are roughly milled.
3. The method for processing the static pressure line double-arm sand box according to the claim 1, wherein in the sixth step, in the process of roughly milling the side surface of the sand box, a single edge is left with a margin of 0.4-0.6 mm.
4. The method for processing a static pressure line double-arm sand box according to claim 1, wherein in the step I of the seventh step, the allowance left on the side edge is 0.2-0.3 mm in the process of roughly milling the wear-resistant block fixing hole.
5. The method for processing a static pressure line bell flask as claimed in claim 4, wherein in the step J of the seventh step, the diameter of the cable box shaft fixing hole is drilled to be 26.5-30.5 mm, and the depth is 145-150 mm; and then roughly boring the cable box shaft fixing hole with the diameter of 34-35 mm and the depth of 151-155 mm.
6. The method for manufacturing a static pressure line bell flask as claimed in claim 5, wherein in step seven, a plurality of threaded holes are further formed around the wear-resistant block fixing hole and the cable box shaft fixing hole.
7. The method for processing the static pressure line double-arm sand box according to the claim 1, wherein in the third step, the diameter of the upper mould assembling pin hole drilled in the vertical processing center is 52-56 mm; and roughly boring the diameter of the upper box closing pin hole to be 53-57 mm.
8. The method for processing the static pressure line double-arm sand box according to the claim 1, wherein in the fifth step, the diameter of the lower mould assembling pin hole drilled in the vertical processing center is 52-56 mm; and roughly boring the lower box closing pin hole, wherein the diameter of the lower box closing pin hole is 53-57 mm.
9. The method for processing a static pressure line double-arm sand box according to claim 1, wherein the milling machine in the first step is a planomiller.
10. A static pressure line bell box manufactured by the method according to any one of claims 1 to 9.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813181A (en) * | 2010-04-15 | 2010-08-25 | 南通振华重型装备制造有限公司 | Manufacturing method of double split flow speed reducer |
| CN104227360A (en) * | 2014-09-22 | 2014-12-24 | 中国航天科工集团第六研究院二一○所 | Processing and assembling method for linear combined guide rail of box body |
| CN105690136A (en) * | 2014-11-26 | 2016-06-22 | 锦州捷通铁路机械制造有限公司 | Machining method for light rail journal box |
| CN106624630A (en) * | 2016-11-30 | 2017-05-10 | 鞍钢重型机械有限责任公司 | Machining method of ultra-thin and oversized arc-shaped plate |
| KR101957097B1 (en) * | 2018-04-16 | 2019-03-11 | 이환길 | Rolling door manufacturing method for console box of individual press forming |
| KR101927089B1 (en) * | 2017-09-25 | 2019-03-12 | 신근섭 | Fixing jig for case processing of analog connecting device |
| CN109877531A (en) * | 2017-12-06 | 2019-06-14 | 刘杰 | A kind of processing technology of lathe gear case cabinet |
| KR20190070366A (en) * | 2017-11-20 | 2019-06-21 | 이엠코리아주식회사 | manufacturing method for accumulator housing |
-
2019
- 2019-11-04 CN CN201911064557.0A patent/CN110900121A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813181A (en) * | 2010-04-15 | 2010-08-25 | 南通振华重型装备制造有限公司 | Manufacturing method of double split flow speed reducer |
| CN104227360A (en) * | 2014-09-22 | 2014-12-24 | 中国航天科工集团第六研究院二一○所 | Processing and assembling method for linear combined guide rail of box body |
| CN105690136A (en) * | 2014-11-26 | 2016-06-22 | 锦州捷通铁路机械制造有限公司 | Machining method for light rail journal box |
| CN106624630A (en) * | 2016-11-30 | 2017-05-10 | 鞍钢重型机械有限责任公司 | Machining method of ultra-thin and oversized arc-shaped plate |
| KR101927089B1 (en) * | 2017-09-25 | 2019-03-12 | 신근섭 | Fixing jig for case processing of analog connecting device |
| KR20190070366A (en) * | 2017-11-20 | 2019-06-21 | 이엠코리아주식회사 | manufacturing method for accumulator housing |
| CN109877531A (en) * | 2017-12-06 | 2019-06-14 | 刘杰 | A kind of processing technology of lathe gear case cabinet |
| KR101957097B1 (en) * | 2018-04-16 | 2019-03-11 | 이환길 | Rolling door manufacturing method for console box of individual press forming |
Non-Patent Citations (1)
| Title |
|---|
| 郭宜迅: "机械化造型线用砂箱的加工", 《中国铸机》 * |
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