CN202388270U - Processing device for excircle grinding machine of diameter increasing plate on expanding machine for steel pipe - Google Patents
Processing device for excircle grinding machine of diameter increasing plate on expanding machine for steel pipe Download PDFInfo
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- CN202388270U CN202388270U CN2011204760119U CN201120476011U CN202388270U CN 202388270 U CN202388270 U CN 202388270U CN 2011204760119 U CN2011204760119 U CN 2011204760119U CN 201120476011 U CN201120476011 U CN 201120476011U CN 202388270 U CN202388270 U CN 202388270U
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- gripper shoe
- ring
- steel pipe
- plate
- end back
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000007514 turning Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a processing device for an excircle grinding machine of a diameter increasing plate on an expanding machine for a steel pipe. According to the processing machine, three regular decagon-shaped supporting plates with different outer diameters are vertically arranged on a middle steel pipe at intervals; ten inclined base plates are enclosed on the outer circles of the three supporting plates; a screw hole is formed in the middle of the outer surface of each inclined base plate; a large-end check ring is sleeved in the middle steel pipe and is positioned outside the large supporting plate; a small-end check ring is sleeved in the middle steel pipe and is positioned outside the small supporting plate; a plurality of through holes which are matched with the positions of screw holes and pin holes at two ends of the diameter increasing plate are formed on the large-end check ring and the mall-end check ring at intervals; and a plurality of screw holes which are matched with the positions of pin holes are formed on the outer circumferential surfaces of the larger-end check ring and the small-end check ring in a radial direction. By the processing device, the outer surfaces of a group of the diameter increasing plates can be turned and ground, the concentricity and roundness in the assembly of the whole diameter increasing plates can be guaranteed, the expanding quality of the steel pipe is improved, and the grinding efficiency of the outer surfaces of the diameter increasing plates is improved.
Description
Technical field
The utility model relates to a kind of steel tube expansion that is used for and increases the mach device of footpath plate cylindrical.
Background technology
Increasing the footpath plate is the core component on the steel tube expansion, is the cold-work die that under the room temperature cold conditions, steel pipes with straight is out of shape full circle.Increase the footpath plate with one group ten during use and enclose through bolt and cover on the pyramid that is installed on expanding machine, pull bar connects pyramid and moves back and forth and carries out the hole enlargement of steel tube inner hole.Adopt the hole enlargement that increases the firm and hard existing different size steel tube inner hole in footpath of corresponding specification according to the expanding machine of different size.Be installed on the pyramid ten simultaneously and increase the footpath plate and need have certain concentricity and circularity, to guarantee the hole enlargement quality of steel tube inner hole.
Like Fig. 1, Fig. 2 and shown in Figure 3, increase footpath plate 1 integral body and be irregular wedge structure, its outer surface 11 is the compound formation of passing through mutually of arc surface of different curvature, bottom surface 12 is 2.86 ° inclined-plane; It has a countersunk head through hole 13 between two parties to increase the footpath plate for 20 " 26 ", and two ends are respectively equipped with screw 14 and are used to be installed on pyramid with dowel hole 15, and the bottom surface does not have positioning spline, brings certain difficulty therefore for whole assembling back turning, grinding; Because the special construction that this increases the footpath plate, the grinding that generally increases footpath plate outer surface is to mill out through the mode of rose cutter with approximate circle, polishes through polishing machine again.There is certain defective in the footpath plate that increases after the aforesaid way processing, is not to be a complete smooth circular arc that passes through mutually like the outer surface of processing, may produce crizzle during quenching and cause workpiece to be scrapped; Simultaneously every increases concentricity and the circularity that plate independent processing in footpath can't guarantee the integral installation timing, can the endoporus of steel pipe be exerted an influence during hole enlargement, and increase the footpath plate separately processing had a strong impact on working (machining) efficiency.Increase footpath plate applying working condition in order to ensure 20 " 26 ", must guarantee that one group ten in a cover increases the concentricity and the circularity of footpath plate cylindrical, therefore in manufacturing process, a most important step is exactly the integral grinding of cylindrical.
Summary of the invention
The utility model technical problem to be solved provides a kind of steel tube expansion that is used for and increases the mach device of footpath plate cylindrical; Utilize this device can implement one group of turning and grinding that increases footpath plate outer surface simultaneously; Concentricity and circularity when having guaranteed to increase footpath slab integral assembling; Guarantee the quality of pipe expanding, improved the grinding efficient that increases footpath plate outer surface.
For solving the problems of the technologies described above; The utility model be used for steel tube expansion increase footpath plate cylindrical mach device comprise in the middle of steel pipe, first gripper shoe, second gripper shoe, the 3rd gripper shoe and ten blocks of taper liner plates; Said first gripper shoe, second gripper shoe, the 3rd gripper shoe are regualr decagons and are vertical at interval successively on the said middle steel pipe; The said first gripper shoe external diameter is greater than the second gripper shoe external diameter; The said second gripper shoe external diameter is greater than the 3rd gripper shoe external diameter; Said ten blocks of taper liner plates enclose the outer ring that is overlying on said first gripper shoe, second gripper shoe and the 3rd gripper shoe respectively, and said taper liner plate outer surface has screw between two parties, and this device also comprises big end back-up ring and small end back-up ring; Said big end back-up ring is inserted in said middle steel pipe and is positioned at said first gripper shoe outside; Said small end back-up ring is inserted in said middle steel pipe and is positioned at said the 3rd gripper shoe outside, offers at interval and the some through holes that increase footpath plate two ends screw and pin-and-hole location matches respectively on said big end back-up ring and the small end back-up ring, and the outer circumference surface of said big end back-up ring and small end back-up ring is radially offered some respectively and the screw pin-and-hole location matches.
Further, the line angle of inclination of said first gripper shoe, second gripper shoe and the 3rd gripper shoe outer ring and the angle of inclination coupling that increases plate bottom surface, footpath.
Further, said middle steel pipe, first gripper shoe, second gripper shoe, the 3rd gripper shoe and ten taper liner slab integrals are welded to connect.
Because the utility model is used for steel tube expansion and increases footpath plate cylindrical mach device and adopted technique scheme; Three regualr decagon gripper shoes that are various outer diameter are vertical on the middle steel pipe at interval; Ten blocks of taper liner plates enclose respectively and are overlying on three gripper shoe outer rings; Each taper liner plate outer surface has screw between two parties; Big end back-up ring is inserted in middle steel pipe and is positioned at the big gripper shoe outside; The small end back-up ring is inserted in middle steel pipe and is positioned at the ramuscule fagging outside, holds greatly on back-up ring and the small end back-up ring and offers at interval and the some through holes that increase footpath plate two ends screw and pin-and-hole location matches respectively, holds the outer circumference surface of back-up ring and small end back-up ring radially to offer some respectively and the screw pin-and-hole location matches greatly.This device can be implemented one group of turning and grinding of increasing footpath plate outer surface simultaneously, has guaranteed concentricity and circularity when increasing the footpath slab integral assembles, has guaranteed the quality of pipe expanding, has improved the grinding efficient that increases footpath plate outer surface.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further to specify:
Fig. 1 is the structural representation that 20 " 26 " increase the footpath plate;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the structural representation of this device;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the right view of Fig. 4.
The specific embodiment
Like Fig. 4 and shown in Figure 5; The utility model be used for steel tube expansion increase footpath plate cylindrical mach device comprise in the middle of steel pipe 2, first gripper shoe 3, second gripper shoe 4, the 3rd gripper shoe 5 and ten blocks of taper liner plates 6; Said first gripper shoe 3, second gripper shoe 4, the 3rd gripper shoe 5 be regualr decagon and be vertical at interval successively said in the middle of on the steel pipe 2; Said first gripper shoe, 3 external diameters are greater than second gripper shoe, 4 external diameters; Said second gripper shoe, 4 external diameters are greater than the 3rd gripper shoe 5 external diameters; Said ten blocks of taper liner plates 6 enclose the outer ring that is overlying on said first gripper shoe 3, second gripper shoe 4 and the 3rd gripper shoe 5 respectively; Said taper liner plate 6 outer surfaces have screw 61 between two parties; This device also comprises big end back-up ring 7 and small end back-up ring 8, and said big end back-up ring 7 is inserted in said middle steel pipe 2 and is positioned at said first gripper shoe 3 outsides, and said small end back-up ring 8 is inserted in said middle steel pipe 2 and is positioned at said the 3rd gripper shoe 5 outsides; Offer at interval and the some through holes 71,72 and 81,82 that increase footpath plate 1 two ends screw and pin-and-hole location matches respectively on said big end back-up ring 7 and the small end back-up ring 8, the outer circumference surface of said big end back-up ring 7 and small end back-up ring 8 is radially offered some respectively and screws 73,83 through hole 72,82 location matches.
Further, the line angle of inclination of above-mentioned first gripper shoe 3, second gripper shoe 4 and the 3rd gripper shoe 5 outer rings and the angle of inclination coupling that increases plate 1 bottom surface, footpath.
Further, for guaranteeing the rigidity of this device, above-mentioned in the middle of steel pipe 2, first gripper shoe 3, second gripper shoe 4, the 3rd gripper shoe 5 be connected with ten taper liner plate 6 integral solder.
When increasing footpath plate cylindrical machined operation; Increasing the footpath plate with ten encloses outside ten blocks of taper liner plates that are overlying on this device; Twist in the screw at taper liner plate middle part after at first adopting bolt to penetrate to increase the countersunk head through hole at plate middle part, footpath; Tentatively fixing will increase the footpath plate, penetrate through bolt and alignment pin then and twist behind through hole and the pin-and-hole of big end back-up ring and small end back-up ring in the corresponding screw and pin-and-hole that increase plate two ends directly, thereby increase directly the plate secure fixation on this device ten; Further in the outer circumference surface screw of big end back-up ring and small end back-up ring, be screwed into bolt and hold out against the alignment pin in the pin-and-hole; Form big end back-up ring and small end back-up ring a circle compression at circumferencial direction; And then hold ten tightly and increase the footpath plate, increase the footpath plate at cutting and the cutting force that produces during grinding to overcome ten.Thus, ten increase footpath plate and this device formation one integral body, can on lathe and grinding machine, carry out cylindrical processing.Simultaneously the taper liner plate adopts postwelding processing, stays 10mm straight line positioning at the ten big end of taper liner plate places, and this positioning is used to control big end outside dimension in inclined-plane and axiality, thereby guarantees that ten increase the footpath plate and are installed in the excircle dimension on this device.Through this device, making ten, to increase footpath plate dismounting simple, and working (machining) efficiency is high, and process to increase footpath plate morpheme dimensional accuracy high, can meet drawing requirement fully.
This device increases on the plate cylindrical processing tool basis, footpath in former 28 " 34 " and has carried out further optimization, and structure is more succinct.Through increasing two back-up ring; This device solves increase plate bottom surface, footpath and do not have positioning spline because of 20 " 26 " self structure change the difficult problem of positioning and clamping that causes; Thereby successfully solved the technological process executive problem that 20 " 26 " increase footpath plate cylindrical turning and grinding, simultaneously for other specifications corresponding with pyramid increase directly plate cylindrical turning and grinding provides reference.Can control one group of excircle dimension, concentricity and circularity that increases the footpath plate after the grinding fully through the physical dimension that guarantees this device, and this device can simulate the structure of expanding machine, increasing the footpath plate and can meet assembled in situ fully after guaranteeing to process.Can refer to increasing on the plate grinding process of footpath of other specifications through quantity and the gradient that changes this device gripper shoe simultaneously, and then cover fully in the production domesticization manufacturing that increases the footpath plate of 20 kinds of specifications.
Claims (3)
1. one kind is used for steel tube expansion and increases footpath plate cylindrical mach device; Steel pipe, first gripper shoe, second gripper shoe, the 3rd gripper shoe and ten blocks of taper liner plates in the middle of comprising; Said first gripper shoe, second gripper shoe, the 3rd gripper shoe are regualr decagons and are vertical at interval successively on the said middle steel pipe; The said first gripper shoe external diameter is greater than the second gripper shoe external diameter; The said second gripper shoe external diameter is greater than the 3rd gripper shoe external diameter; Said ten blocks of taper liner plates enclose the outer ring that is overlying on said first gripper shoe, second gripper shoe and the 3rd gripper shoe respectively, and said taper liner plate outer surface has screw between two parties, it is characterized in that: also comprise big end back-up ring and small end back-up ring; Said big end back-up ring is inserted in said middle steel pipe and is positioned at said first gripper shoe outside; Said small end back-up ring is inserted in said middle steel pipe and is positioned at said the 3rd gripper shoe outside, offers at interval and the some through holes that increase footpath plate two ends screw and pin-and-hole location matches respectively on said big end back-up ring and the small end back-up ring, and the outer circumference surface of said big end back-up ring and small end back-up ring is radially offered some respectively and the screw pin-and-hole location matches.
2. the steel tube expansion that is used for according to claim 1 increases the mach device of footpath plate cylindrical, it is characterized in that: the line angle of inclination of said first gripper shoe, second gripper shoe and the 3rd gripper shoe outer ring and the angle of inclination coupling that increases plate bottom surface, footpath.
3. the steel tube expansion that is used for according to claim 1 and 2 increases the mach device of footpath plate cylindrical, and it is characterized in that: steel pipe, first gripper shoe, second gripper shoe, the 3rd gripper shoe and ten taper liner slab integrals are welded to connect in the middle of said.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204760119U CN202388270U (en) | 2011-11-25 | 2011-11-25 | Processing device for excircle grinding machine of diameter increasing plate on expanding machine for steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204760119U CN202388270U (en) | 2011-11-25 | 2011-11-25 | Processing device for excircle grinding machine of diameter increasing plate on expanding machine for steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202388270U true CN202388270U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204760119U Expired - Fee Related CN202388270U (en) | 2011-11-25 | 2011-11-25 | Processing device for excircle grinding machine of diameter increasing plate on expanding machine for steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202388270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118577835A (en) * | 2024-08-05 | 2024-09-03 | 广东世创金属科技股份有限公司 | An integral processing method for an expansion and contraction head diameter increasing sleeve |
-
2011
- 2011-11-25 CN CN2011204760119U patent/CN202388270U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118577835A (en) * | 2024-08-05 | 2024-09-03 | 广东世创金属科技股份有限公司 | An integral processing method for an expansion and contraction head diameter increasing sleeve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20191125 |