CN109483167B - Processing technology of small-size press-fit ring - Google Patents
Processing technology of small-size press-fit ring Download PDFInfo
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- CN109483167B CN109483167B CN201811369400.4A CN201811369400A CN109483167B CN 109483167 B CN109483167 B CN 109483167B CN 201811369400 A CN201811369400 A CN 201811369400A CN 109483167 B CN109483167 B CN 109483167B
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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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- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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Abstract
The invention provides a processing technology of a small-specification press-fit ring, wherein the small-specification press-fit ring is cylindrical, chamfers are arranged on the inner sides of two ends of the press-fit ring, and 2 grooves are symmetrically arranged on the outer side of the circumference of the press-fit ring. The processing technology of the small-specification press-fit ring comprises the steps of shearing and blanking, groove milling, marking pressing, rounding, welding, planing, sizing and expanding, turning and finished product inspection. The specification press-fit ring and the spoke plate ring are easy to press in during press-fit, the slipping and separation phenomenon is prevented, the raw material utilization rate of the processing technology is improved by 25-30%, the turning efficiency is 5-6 times that of steel pipe processing, the processing period is shortened, and the delivery period of customers is met.
Description
Technical Field
The invention relates to the field of wheels of engineering machinery, in particular to a processing technology of a small-specification press fit ring.
Background
At present, the press-fit ring for the press-fit type solid tire wheel with the diameter below phi 150 is limited by processing equipment, and a workpiece is generally obtained by a steel pipe through the processes of sawing, turning and marking pressing. Because no proper steel pipe is available, the steel pipe needs to be machined by adopting thicker steel pipes inside and outside, the machining efficiency is low, the utilization rate of raw materials is low, and the machining cost is high.
Disclosure of Invention
The invention aims to provide a processing technology of a small-size press-fit ring, which is used for solving the problems of low processing efficiency and high processing cost in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a circle is joined in marriage to small dimension pressure, presses to join in marriage the circle and be cylindric, the inboard of pressing to join in marriage a circle both ends has the chamfer, press to join in marriage the circumference outside of circle and go up the symmetry and be equipped with 2 slots.
Wherein, the chamfer of the press fit ring one end inboard is the circular arc chamfer.
A processing technology of a small-specification press-fit ring comprises the following steps:
s1: cutting and blanking, namely cutting the blank by adopting a hydraulic plate cutting machine according to the requirement of multiple scales to obtain the cut blank;
s2: milling a groove, namely performing welding groove processing on the sheared blank by using a groove machine to obtain a groove-milled blank;
s3: marking, namely marking the blank subjected to groove milling by using a matrix corresponding to the mark to obtain a marked blank;
s4: performing rounding, namely bending and deforming the blank after the mark pressing by adopting two stations to obtain a rounded blank;
s5: welding, namely welding the round bent blank by adopting a submerged arc welding machine to obtain a welded blank;
s6: planing, namely planing the inner welding seam of the welded blank to obtain a planed blank;
s7: sizing and expanding, namely expanding the planed blank by adopting a cylinder inner diameter expanding die to obtain an expanded blank;
s8: turning, namely turning the expanded blank by adopting a numerical control horizontal double-cutter lathe to obtain a press fit ring;
s9: and (5) finished product inspection, wherein the finished product inspection is carried out on the press fit ring.
Wherein, the character matrix in the process of pressing the identification adopts a single character combination type.
The cutter gap and the blank positioning device can be adjusted according to the blanking size in the slitting and blanking process.
And the first station of the two stations in the rounding process adopts a first station bending die to press the blank into a bow-shaped blank, and the second station adopts a second station bending die to press the blank into a cylindrical blank.
And in the welding process, an inner welding seam is welded firstly, and an outer welding seam is welded after the inner welding seam is cleaned.
Wherein, the planing process is to remove the residual height of the inner welding seam by utilizing a planing method.
And in the finished product inspection process, sleeving the press fit ring on a roundness inspection gauge to inspect the roundness.
Wherein, the lower mould of the matrix is provided with a positioning device.
The technical scheme of the invention has the following beneficial effects:
in the scheme, the specification press-fit ring and the spoke plate ring are easy to press in during press-fit, the slipping and separation phenomenon is prevented, the raw material utilization rate of the processing technology is improved by 25-30%, the turning efficiency is 5-6 times that of steel pipe processing, the processing period is shortened, and the delivery period of customers is met.
Drawings
FIG. 1 is a cross-sectional view of a small gauge press-fit ring of the present invention;
FIG. 2 is a cross-sectional view of a bowed shaped blank during the small gauge press-fit ring manufacturing process of the present invention;
fig. 3 is a cross-sectional view of the cylindrical blank in the process of the small-gauge press-fit ring processing of the present invention.
Reference numerals:
1. press fitting a ring; 2. a trench; 3. chamfering; 4. a bowed shaped blank; 5. a blank in the form of a cylinder.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides a processing technology of a small-specification press-fit ring, aiming at the problems of low processing efficiency and high processing cost in the prior art.
As shown in fig. 1 to 3, an embodiment of the present invention provides a small-sized press-fit ring, wherein a press-fit ring 1 is cylindrical, chamfers 3 are provided on inner sides of two ends of the press- fit ring 1, and 2 grooves 2 are symmetrically provided on an outer circumferential side of the press-fit ring 1.
Wherein, the chamfer 3 of the inner side of one end of the press-fit ring 1 is an arc chamfer.
One side chamfer 3 of the small-specification press-fit ring 1 is an arc chamfer and is easy to press in when being pressed with a web plate ring; the press-fit ring 1 and rubber are vulcanized into an integral tire, the wheel is stressed during running, and the groove 2 plays a role in preventing slipping and disengaging.
A processing technology of a small-specification press-fit ring comprises the following steps:
s1: cutting and blanking, namely cutting the blank by adopting a hydraulic plate cutting machine according to the requirement of multiple scales to obtain the cut blank;
s2: milling a groove, namely performing welding groove processing on the sheared blank by using a groove machine to obtain a groove-milled blank;
s3: marking, namely marking the blank subjected to groove milling by using a matrix corresponding to the mark to obtain a marked blank;
s4: performing rounding, namely bending and deforming the blank after the mark pressing by adopting two stations to obtain a rounded blank;
s5: welding, namely welding the round bent blank by adopting a submerged arc welding machine to obtain a welded blank;
s6: planing, namely planing the inner welding seam of the welded blank to obtain a planed blank;
s7: sizing and expanding, namely expanding the planed blank by adopting a cylinder inner diameter expanding die to obtain an expanded blank;
s8: turning, namely turning the expanded blank by adopting a numerical control horizontal double-cutter lathe to obtain a press fit ring;
s9: and (5) finished product inspection, wherein the finished product inspection is carried out on the press fit ring.
The processing technology of the specification press-fit ring improves the raw material utilization rate by 25-30%, the turning efficiency is 5-6 times that of steel pipe processing, the processing period is shortened, and the delivery period of customers is met.
According to the processing technology of the specification press-fit ring, the cutter clearance and the blank positioning device can be adjusted according to the blanking size in the splitting and blanking process.
In the groove milling process of the processing technology of the specification press-fit ring, the groove milling machine is adopted to process the welding groove, the groove is uniform in size and consistent in angle, and subsequent welding is facilitated. The beveling machine is adopted to process the bevels, so that the defects of irregular angle, rough slope surface, high working noise and the like of operation processes such as flame cutting, grinding of a polishing machine and the like are overcome, and the beveling machine has the advantages of simplicity and convenience in operation, standard angle, smooth surface and the like.
The matrix in the process of pressing the mark of the processing technology of the small-specification press-fit ring adopts a single character combination type. And a positioning device is arranged on the lower die of the matrix. Can be combined freely according to requirements, the input cost of the character dies is saved, the character pressing depth can be realized by adjusting equipment parameters, and the pressed characters are complete, clear and orderly arranged. The position of the pressing mark can be adjusted by a positioning device.
As shown in fig. 2-3, the first station of the two stations in the rounding process of the small-gauge press-fit ring processing technology of the present invention is to press a blank in a bow shape by using a first station bending die, and the second station is to press a blank in a cylindrical shape by using a second station bending die, so as to obtain a rounded blank. The cylindrical blank obtained by the rounding method is neat in alignment and has no staggered openings.
In the welding process of the processing technology of the specification press-fit ring, the inner welding seam is welded firstly, and the outer welding seam is welded after the inner welding seam is cleaned. The quality of the welding seam is detected by an ultrasonic flaw detector to meet the standard requirement.
The planing process of the processing technology of the specification press-fit ring is to remove the excess height of the inner welding line by utilizing a planing method. The problem that the inner welding line is difficult to process due to the small inner diameter of the workpiece is solved.
According to the machining process of the specification press-fit ring, a numerical control horizontal double-tool lathe is adopted for turning in the turning process, machining is completed by one-time clamping, and machining efficiency is high.
In the finished product inspection process of the processing technology of the small-specification press-fit ring, the press-fit ring is sleeved on a roundness inspection gauge to inspect roundness.
In the scheme, the small-size press-fit ring and the spoke plate ring are easy to press in during press-fit, so that the slipping and separation phenomenon is prevented, the raw material utilization rate of the processing technology is improved by 25-30%, the turning efficiency is 5-6 times that of steel pipe processing, the processing period is shortened, and the delivery period of customers is met.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
In the description of the present invention, it is to be understood that the terms "upper", "one end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that the terms "provided with" and "connected" are to be interpreted broadly, unless explicitly stated or limited otherwise. For example, the connection can be fixed, detachable or integrated; may be directly connected or indirectly connected through an intermediate. The fixed connection can be common technical schemes such as welding, threaded connection and clamping. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (1)
1. The processing technology of the small-specification press-fit ring is characterized in that the press-fit ring is cylindrical, chamfers are arranged on the inner sides of two ends of the press-fit ring, and 2 grooves are symmetrically formed in the outer side of the circumference of the press-fit ring;
the chamfer angle on the inner side of one end of the press fit ring is an arc chamfer angle;
the press fit ring and the rubber are vulcanized into an integral tire;
the processing technology comprises the following steps:
s1: cutting and blanking, namely cutting the blank by adopting a hydraulic plate cutting machine according to the requirement of multiple scales to obtain the cut blank;
s2: milling a groove, namely performing welding groove processing on the sheared blank by using a groove machine to obtain a groove-milled blank;
s3: marking, namely marking the blank subjected to groove milling by using a matrix corresponding to the mark to obtain a marked blank;
s4: performing rounding, namely bending and deforming the blank after the mark pressing by adopting two stations to obtain a rounded blank;
s5: welding, namely welding the round bent blank by adopting a submerged arc welding machine to obtain a welded blank;
s6: planing, namely planing the inner welding seam of the welded blank to obtain a planed blank;
s7: sizing and expanding, namely expanding the planed blank by adopting a cylinder inner diameter expanding die to obtain an expanded blank;
s8: turning, namely turning the expanded blank by adopting a numerical control horizontal double-tool lathe to obtain a press fit ring;
s9: finished product inspection, wherein finished product inspection is carried out on the press fit ring;
the character dies in the process of pressing the identification adopt a single character combination type;
the cutter clearance and the blank positioning device can be adjusted according to the blanking size in the slitting and blanking process;
the first station of the two stations in the rounding process adopts a first station bending die to press the blank into a bow-shaped blank, and the second station adopts a second station bending die to press the blank into a cylindrical blank;
in the welding process, an inner welding seam is welded firstly, and an outer welding seam is welded after the inner welding seam is cleaned;
the planing process is to remove the residual height of the inner welding seam by using a planing method;
in the finished product inspection process, the press fit ring is sleeved on a roundness detection gauge to inspect the roundness;
and a positioning device is arranged on the lower die of the matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369400.4A CN109483167B (en) | 2018-11-16 | 2018-11-16 | Processing technology of small-size press-fit ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369400.4A CN109483167B (en) | 2018-11-16 | 2018-11-16 | Processing technology of small-size press-fit ring |
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| CN109483167A CN109483167A (en) | 2019-03-19 |
| CN109483167B true CN109483167B (en) | 2020-06-19 |
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| CN201811369400.4A Active CN109483167B (en) | 2018-11-16 | 2018-11-16 | Processing technology of small-size press-fit ring |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699081A (en) * | 2004-05-17 | 2005-11-23 | Ntn株式会社 | Bearing apparatus for a wheel of vehicle |
| CN108357295A (en) * | 2018-03-19 | 2018-08-03 | 河南宏源车轮股份有限公司 | A kind of inner tube-free wheel |
| CN108453475A (en) * | 2018-04-26 | 2018-08-28 | 唐银成 | The production technology of press-fit steel ring |
| CN108705266A (en) * | 2018-07-23 | 2018-10-26 | 河南宏源车轮股份有限公司 | A kind of processing technology of press-fit car wheel structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201172361Y (en) * | 2008-02-03 | 2008-12-31 | 张树林 | Steel wheel rim and solid rubber tyre of mixing drum |
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2018
- 2018-11-16 CN CN201811369400.4A patent/CN109483167B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699081A (en) * | 2004-05-17 | 2005-11-23 | Ntn株式会社 | Bearing apparatus for a wheel of vehicle |
| CN108357295A (en) * | 2018-03-19 | 2018-08-03 | 河南宏源车轮股份有限公司 | A kind of inner tube-free wheel |
| CN108453475A (en) * | 2018-04-26 | 2018-08-28 | 唐银成 | The production technology of press-fit steel ring |
| CN108705266A (en) * | 2018-07-23 | 2018-10-26 | 河南宏源车轮股份有限公司 | A kind of processing technology of press-fit car wheel structure |
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