CN111185550B - Feeding device for cross wedge rolling in circumferential direction - Google Patents
Feeding device for cross wedge rolling in circumferential direction Download PDFInfo
- Publication number
- CN111185550B CN111185550B CN202010038084.3A CN202010038084A CN111185550B CN 111185550 B CN111185550 B CN 111185550B CN 202010038084 A CN202010038084 A CN 202010038084A CN 111185550 B CN111185550 B CN 111185550B
- Authority
- CN
- China
- Prior art keywords
- material receiving
- arc
- rolling
- receiving unit
- upper roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H9/00—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to the technical field of metal plastic forming process and equipment, and provides a feeding device in the circumferential direction of cross wedge rolling, which comprises a material receiving unit and an arc-shaped sliding rail, wherein the material receiving unit is arranged on the material receiving unit; the receiving unit comprises a receiving groove and a receiving plate, the receiving groove is preferably directly arranged on a roller of the cross wedge rolling mill, and the width of the receiving plate can be reduced; the material receiving plate is welded on the roll shaft and is tangent to the bottom of the material receiving groove, so that the blank is convenient to place; the front end of the material receiving plate is provided with a small segment of circular arc to ensure the safety of charging, and the width of the material receiving plate is prevented from colliding with the guide plate at the lower point. The arc-shaped slide rail is formed by two sections of tangent arcs, so that the blank can smoothly slide to the lower roller. The device is a discontinuous feeding device, namely, each time rolling is finished, the roller is stopped at a feeding position to finish the next feeding and then rolling, and the device is particularly suitable for feeding large-scale shaft parts; the device has the advantages of simple structure, good stability, convenient feeding, equipment space saving and wide application prospect.
Description
Technical Field
The invention relates to the technical field of metal plastic forming processes and equipment, in particular to a feeding device in the circumferential direction of cross wedge rolling.
Background
The large-scale shaft part is one of key parts of major equipment and is used for realizing power transmission and movement of large-scale equipment. The composite load bearing device is generally used for bearing the composite loads of bending, torsion, impact, vibration and the like under the working condition of high speed and heavy load, the production cost, the forming precision and the performance quality of the composite load bearing device directly influence the key equipment performance of the industries such as aerospace, rail transit, heavy machinery, military equipment and the like, and the composite load bearing device is a precondition for developing the large-scale advanced equipment manufacturing industry. The cross wedge rolling process has the advantages of high production efficiency, high material utilization rate, stable forming quality and the like in the production of shaft parts, and is widely applied to the production of shaft parts.
At present, the feeding mode of cross wedge rolling of large-scale shaft parts is mainly an axial feeding mode. In the axial feeding, the blank passes through the promotion entering mould of cylinder ejector pin, then rolls, because the blank length of large-scale axle class is mostly more than 2000mm, this length of the ejector pin that will extend undoubtedly needs bigger thrust moreover, has just so increaseed the length of whole equipment and the degree of difficulty of feeding.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a feeding device in the cross wedge rolling circumferential direction, which is particularly suitable for feeding and rolling large-scale shaft parts. The blank is directly placed on the material receiving unit of the upper roller, so that an axial feeding device is omitted, and the defect of axial feeding is overcome; the feeding device has the advantages of simple structure, convenience in feeding, good equipment operation stability and saving of the whole space of equipment.
The invention adopts the following technical scheme:
a cross wedge rolling circumferential direction feeding device comprises a material receiving unit and an arc-shaped sliding rail;
the wedge cross rolling mill comprises an upper roller and a lower roller, the upper roller comprises a rolling section and a material receiving section, an upper die is arranged on the periphery of the rolling section, and the material receiving section is a concave part relative to the rolling section and is used for installing the material receiving unit;
the material receiving unit is arranged at the material receiving section of the upper roller and can rotate synchronously with the upper roller; the material receiving unit is used for placing bar blanks and transferring the bar blanks to the arc-shaped sliding rail; the outermost contour line of the material receiving unit does not exceed the outermost contour line of the rolling section; the material receiving unit is prevented from interfering with the arc-shaped slide rail or the guide plate when the upper roller rotates;
the arc-shaped sliding rail is arranged on one side of the upper roller and used for transferring the bar blanks from the receiving unit to a rolling starting point (a receiving section of a lower roller die).
Furthermore, the material receiving unit comprises a material receiving groove and a material receiving plate, the material receiving plate is tangent to the material receiving groove at the joint, and the material receiving plate is welded on the material receiving section of the upper roller.
Further, connect the silo directly to open on the top roll, should connect the design of silo can reduce the width that connects the flitch, and then can avoid the interference with the baffle, but also be fit for placing the great blank of diameter.
Furthermore, the end part of one end of the material receiving plate, which is far away from the upper roller, is provided with a small arc section for preventing the bar blank from sliding off at the initial position (the material receiving plate is in the horizontal position). The width of the material receiving plate can meet the requirement of receiving a blank, and the collision between the position where the roller rotates to a lower point and the guide plate is avoided.
Further, the arc-shaped slide rail is arranged on a guide plate of the cross wedge rolling mill; the rail surface of the arc-shaped sliding rail is composed of two sections of tangent arc surfaces, so that the blank can smoothly slide into the lower roller die.
Furthermore, the arc slide rail comprises 2 single slide rails, the 2 single slide rails are fixed by fixing screws, and the single slide rails are welded on the bottom plate or directly welded on a guide plate of the cross wedge rolling mill.
Furthermore, the height of the arc-shaped slide rail is the same as or approximately the same as that of the initial position of the bar blank, so that the blank is prevented from sliding out of the receiving plate due to the centrifugal force or other factors when the upper roller rotates, and the arc-shaped slide rail can be ensured to contact the blank smoothly and earlier.
Further, the depth of the material receiving groove on the upper roller is 100mm, and the shape of the material receiving groove is arc-shaped; the width of material receiving plate is 170mm, and thickness is 50 mm.
Further, the monolithic slide rail includes 2 sections tangent circular arcs, and the thick of the board of each monolithic slide rail is 30 mm.
Furthermore, the clearance between the material receiving plate and the arc-shaped slide rail is smaller than the diameter of the bar blank in the rotating process, and the material receiving plate can effectively block the blank in the rotating process to prevent the blank from sliding downwards too fast. And then the blank smoothly falls into the material receiving section of a lower roller die (lower die) along the arc-shaped slide rail, and finishes the rolling process together with an upper roller die (upper die).
The feeding device in the wedge cross rolling circumferential direction is particularly suitable for producing large-scale shaft parts with the bar stock length of more than 2000 mm.
The invention has the beneficial effects that: the material receiving unit consists of a material receiving groove and a material receiving plate and is directly arranged on the upper roller, so that an independent axial feeding device is omitted, and the space is saved; the material receiving groove can be directly arranged on an upper roller of the cross wedge rolling mill, the width of the material receiving plate can be reduced, the placement of blanks is facilitated, and the bearing load of the material receiving plate is effectively reduced; the arc-shaped slide rail is formed by two sections of tangent arcs, so that the blank can smoothly slide to the lower roller; the device is a discontinuous feeding device, namely, each time rolling is finished, the roller is stopped at a feeding position to finish the next feeding and then rolling, and the device is particularly suitable for feeding large-scale shaft parts; the device has the advantages of simple structure, good stability, convenient feeding, equipment space saving and wide application prospect.
Drawings
Fig. 1 is a schematic structural diagram of a cross wedge rolling circumferential feeding device according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the receiving unit in the embodiment.
Fig. 3 is a schematic view of an installation structure of the arc-shaped slide rail in the embodiment.
Fig. 4 is a schematic structural diagram of a single arc-shaped slide rail in the embodiment.
In the figure: 1. a material receiving unit; 2. an arc-shaped slide rail; 3. a material receiving groove; 4. a material receiving plate; 5. fixing the bolt; 6. monolithic arc slide rail.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that technical features or combinations of technical features described in the following embodiments should not be considered as being isolated, and they may be combined with each other to achieve better technical effects. In the drawings of the embodiments described below, the same reference numerals appearing in the respective drawings denote the same features or components, and may be applied to different embodiments.
As shown in fig. 1, the feeding device in the cross wedge rolling circumferential direction according to the embodiment of the present invention is particularly suitable for feeding large shaft parts. The device comprises a material receiving unit 1 and an arc-shaped sliding rail 2; the wedge cross rolling mill comprises an upper roller and a lower roller, the upper roller comprises a rolling section and a material receiving section, an upper die is arranged on the periphery of the rolling section, the material receiving section is a concave part relative to the rolling section, and the material receiving section is used for installing the material receiving unit; the material receiving unit 1 can synchronously rotate with the upper roller; the material receiving unit 1 is used for transferring bar blanks to the arc-shaped slide rail 2; the outermost periphery contour line of the material receiving unit 1 does not exceed the outermost periphery contour line of the rolling section; the arc-shaped sliding rail 2 is arranged on one side of the upper roller and used for transferring the bar blanks from the material receiving unit 1 to a rolling starting point.
Preferably, the material receiving unit 1 consists of a material receiving groove 3 and a material receiving plate 4, and the material receiving plate 4 is tangent to the material receiving groove 3 and welded on the upper roller.
The material receiving groove 3 may be an independent groove-shaped member or may be opened directly on the upper roll, and fig. 2 shows an embodiment in which the groove is opened directly on the upper roll, and the material receiving groove 3 has a depth of 100mm and an arc-shaped outer shape. The design can reduce the width of the material receiving plate 4, and can also place blanks with larger diameter and longer length.
Connect flitch 4 to weld on last roll, connect flitch 4 front end to have the small segment circular arc to make things convenient for placing of blank, thick being 50mm, width 170mm can avoid the roll to rotate the position and the baffle of lower point and bump.
As shown in fig. 3, the arc-shaped slide rail 2 plays a role of guiding and supporting the blank, the height of the arc-shaped slide rail 2 is 900mm, and the height of the slide rail is the same or approximately the same as the height of the blank when the axis of the blank is in the horizontal position, so as to prevent the blank from sliding out of the receiving plate 4 due to the centrifugal force or other factors when the roller rotates, and ensure that the arc-shaped slide rail 2 can contact the blank earlier.
The arcuate slide track 2 may be implemented in a variety of forms, and figure 3 is only one preferred embodiment. Two single-piece arc-shaped sliding rails 6 are welded on a bottom plate and then integrally installed on a guide plate of a cross wedge rolling mill, and three fixing screws 5 are arranged between the two single-piece arc-shaped sliding rails 6 for fixing.
As shown in figure 4, the single arc slide rail 6 is composed of two sections of tangent arcs, the thickness of each plate is 30mm, and the arc slide rail 2 is an important part for ensuring the smooth sliding of the blank into the die.
The working principle of the invention is as follows:
the material receiving unit 1 is stopped at a horizontal position each time, the blank is directly placed on the material receiving plate 4 of the material receiving unit 1 of the upper roller, the positions of the upper roller and the lower roller are adjusted before rolling, and the blank can stably and accurately fall onto the material receiving section of the lower roller; in the rotating process of an upper roller of the cross wedge rolling mill, a blank is in contact with the receiving plate 4 and the arc-shaped slide rail 2 and is positioned between the receiving plate 4 and the arc-shaped slide rail 2, the blank slides to the guide plate along the arc-shaped slide rail 2 and then slides to the receiving section of the lower roller, and then the rolling process is completed.
The material receiving groove 3 of the embodiment of the invention is directly arranged on the roll shaft of the cross wedge rolling mill, thus the width of the material receiving plate 4 can be reduced, the placement of blanks is convenient, and the bearing load of the material receiving plate 4 is effectively reduced; the material receiving plate 4 is welded on the upper roll shaft and is ensured to be tangent to the bottom of the material receiving groove 3, so that blanks can be conveniently placed; the front end of the material receiving plate 4 is provided with a small segment of circular arc to ensure the safety of charging, and the width of the material receiving plate 4 is required to avoid collision with a guide plate at a lower point; the arc-shaped slide rail 2 consists of two sections of tangent arcs and can enable the blank to smoothly slide to the lower roller; the arc-shaped slide rails 2 are arranged on a guide plate of the cross wedge rolling mill, and three fixing screws 5 are arranged between two single arc-shaped slide rails 6 for fixing; the device is a discontinuous feeding device, namely, each time rolling is finished, a roller is stopped at a feeding position to finish the next feeding and then rolling, and the device is particularly suitable for feeding large-scale shaft parts; the invention has simple structure, good stability, convenient feeding and equipment space saving.
While several embodiments of the present invention have been presented herein, it will be appreciated by those skilled in the art that changes may be made to the embodiments herein without departing from the spirit of the invention. The above examples are merely illustrative and should not be taken as limiting the scope of the invention.
Claims (6)
1. A cross wedge rolling circumferential direction feeding device is characterized by comprising a material receiving unit and an arc-shaped sliding rail;
the wedge cross rolling mill comprises an upper roller and a lower roller, the upper roller comprises a rolling section and a material receiving section, an upper die is arranged on the periphery of the rolling section, and the material receiving section is a concave part relative to the rolling section and is used for installing the material receiving unit;
the material receiving unit is arranged at the material receiving section of the upper roller and can rotate synchronously with the upper roller; the material receiving unit is used for transferring the bar blanks to the arc-shaped slide rail; the outermost contour line of the material receiving unit does not exceed the outermost contour line of the rolling section; the receiving unit comprises a receiving groove and a receiving plate, the receiving plate is tangent to the receiving groove at the joint, and the receiving plate is welded on the receiving section of the upper roller; the material receiving groove is directly arranged on the upper roller; a small arc section is arranged at the end part of one end of the material receiving plate, which is far away from the upper roller; the depth of the material receiving groove on the upper roller is 100mm, and the shape of the material receiving groove is arc-shaped; the width of the material receiving plate is 170mm, and the thickness of the material receiving plate is 50 mm; placing the blank in a receiving groove before rolling;
the arc-shaped sliding rail is arranged on one side of the upper roller and used for transferring the bar blanks from the material receiving unit to a rolling starting point.
2. The cross wedge rolling circumferential feed device of claim 1, wherein the arcuate slide rail is mounted on a guide plate of the cross wedge rolling mill; the rail surface of the arc-shaped sliding rail is composed of two sections of tangent arc surfaces.
3. The cross wedge rolling circumferential feed device of claim 2, wherein the arc-shaped slide rail comprises 2 single slide rails, the 2 single slide rails are fixed by fixing screws, and the single slide rails are welded on a bottom plate or directly welded on a guide plate of the cross wedge rolling mill.
4. The cross wedge rolling circumferential feed device of claim 2, wherein the height of the arcuate slide rail is the same or substantially the same as the height of the initial position of the bar stock.
5. The cross wedge rolling circumferential feed device of claim 3, wherein the single slide rail comprises 2 tangential arcs, and the thickness of each single slide rail is 30 mm.
6. The cross wedge rolling circumferential direction feeding device of any one of claims 1 to 5, which is applied to the production of large-scale shaft parts with the bar stock length of more than 2000 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010038084.3A CN111185550B (en) | 2020-01-14 | 2020-01-14 | Feeding device for cross wedge rolling in circumferential direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010038084.3A CN111185550B (en) | 2020-01-14 | 2020-01-14 | Feeding device for cross wedge rolling in circumferential direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111185550A CN111185550A (en) | 2020-05-22 |
| CN111185550B true CN111185550B (en) | 2021-10-15 |
Family
ID=70684659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010038084.3A Active CN111185550B (en) | 2020-01-14 | 2020-01-14 | Feeding device for cross wedge rolling in circumferential direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111185550B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787158B (en) * | 2021-07-26 | 2022-10-04 | 北京科技大学 | Railway vehicle axle wedge cross rolling forming rolling mill set and forming method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2318505A (en) * | 1942-07-21 | 1943-05-04 | Fred R Long | Machine for automatically forming projectiles |
| DE2204538A1 (en) * | 1971-02-11 | 1972-08-17 | Vyzk Ustav Tvarzecich Stroju A | Machine for cross wedge rolling of bars or bar sections |
| DE2415805A1 (en) * | 1973-04-13 | 1974-10-24 | Vyzk Ustav Tvarecich Stroju | DEVICE FOR FORMING ROTATING OBJECTS USING WEDGE CROSS ROLLERS WITH THREE ROLLERS |
| US4811585A (en) * | 1986-04-02 | 1989-03-14 | Nissan Motor Co., Ltd. | Device for forming asymmetrical articles by rolling |
| CN105170645A (en) * | 2015-09-08 | 2015-12-23 | 战广斌 | Shaft three-roller wedge cross rolling mill |
-
2020
- 2020-01-14 CN CN202010038084.3A patent/CN111185550B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2318505A (en) * | 1942-07-21 | 1943-05-04 | Fred R Long | Machine for automatically forming projectiles |
| DE2204538A1 (en) * | 1971-02-11 | 1972-08-17 | Vyzk Ustav Tvarzecich Stroju A | Machine for cross wedge rolling of bars or bar sections |
| DE2415805A1 (en) * | 1973-04-13 | 1974-10-24 | Vyzk Ustav Tvarecich Stroju | DEVICE FOR FORMING ROTATING OBJECTS USING WEDGE CROSS ROLLERS WITH THREE ROLLERS |
| US4811585A (en) * | 1986-04-02 | 1989-03-14 | Nissan Motor Co., Ltd. | Device for forming asymmetrical articles by rolling |
| CN105170645A (en) * | 2015-09-08 | 2015-12-23 | 战广斌 | Shaft three-roller wedge cross rolling mill |
Non-Patent Citations (1)
| Title |
|---|
| 辊式楔横轧机进料改进装置;王全先;《机械工程师》;20020630(第2期);第19～20页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111185550A (en) | 2020-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210023602A1 (en) | Full-electric servo vertical three-counter-roller driving power spinning device | |
| CN111185550B (en) | Feeding device for cross wedge rolling in circumferential direction | |
| CN101823110B (en) | Twin-roller rotary-forging machine | |
| CN104889745A (en) | Machining all-in-one machine device | |
| CN201871953U (en) | Lathe cutter following device with novel structure | |
| CN112547948A (en) | Auxiliary supporting device of leveling machine | |
| CN212469589U (en) | Cross wedge rolling circumferential direction feeding device | |
| CN104772405A (en) | Edge rolling method of edge rolling machine | |
| CN107626781A (en) | A kind of adjustable four-roll plate bending machine | |
| CN115722563A (en) | Plate rolling device with automatic deviation rectifying function | |
| CN217599895U (en) | Electric furnace charging vehicle capable of synchronously preventing single oil cylinder hydraulic horizontal pushing discharging of deviation mechanism | |
| CN109570433B (en) | Rod pipe fatigue fracture blanking machine with real-time adjustable radial loading displacement | |
| CN200991714Y (en) | Roller-guide device for rolling steel | |
| CN111112388B (en) | Plate forming angle correcting device | |
| CN216582387U (en) | High-speed heavy-load chain scraper conveyor | |
| CN201687579U (en) | Docking device for gas turbine rotor and compressor rotor | |
| CN109794534B (en) | Multi-pass spinning forming method for cylinder with inner ring reinforcing ribs | |
| CN202447385U (en) | Axial locating mechanism of flange ring horizontal mill | |
| CN206374235U (en) | 6000T pressure machines longeron roller type input and output material rolling mechanism | |
| CN2358537Y (en) | Adjustable winding mould with end guide umbrella shaped support | |
| CN219851388U (en) | Parallel rolling type guide and guard device with single-row inlets shared by adjacent rolling pass | |
| CN109079068A (en) | A kind of vertical screw-rolling machine equipment | |
| CN109940514A (en) | A kind of dressing method of double tangent interpolation dressing devices of circle | |
| CN219745933U (en) | High-speed veneer reeling machine convenient for feeding environment-friendly steel barrels | |
| CN219818357U (en) | Narrow-gap arc welding equipment for thick plate circular seam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |