CN108907045B - Roller axial adjusting mechanism and ring rolling machine - Google Patents
Roller axial adjusting mechanism and ring rolling machine Download PDFInfo
- Publication number
- CN108907045B CN108907045B CN201811106160.9A CN201811106160A CN108907045B CN 108907045 B CN108907045 B CN 108907045B CN 201811106160 A CN201811106160 A CN 201811106160A CN 108907045 B CN108907045 B CN 108907045B
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- China
- Prior art keywords
- axial
- roller
- main
- core
- roll
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- 238000005096 rolling process Methods 0.000 title claims abstract description 87
- 238000005242 forging Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/18—Adjusting or positioning rolls by moving rolls axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting
Abstract
The invention provides a roller axial adjusting mechanism and a ring rolling machine, and relates to the field of forging and pressing machinery.A main roller diameter direction feeding sliding block is provided with a ring rolling machine main body moving chute, and a first driving device drives the ring rolling machine main body to move in the ring rolling machine main body moving chute; the main roller axial feeding component is arranged at one side of the ring rolling machine main body, and the main roller is connected with the main roller axial feeding component through a main roller bearing group; the main roll radial feeding sliding block is provided with a core roll axial feeding assembly, and the core roll is connected with the core roll axial feeding assembly through a core roll bearing group; the core roller and the main roller are arranged in parallel, clamp the blank and drive the blank to rotate together; the axial rolling cone roller group comprises two axial rolling cone rollers which are respectively positioned at the upper side and the lower side of the blank, and the ring rolling machine adopts a corresponding roller axial adjusting mechanism. The arrangement compensates the upward shrinkage of the lower bottom surface of the workpiece, ensures the quality of the final finished product of the ring piece with the special-shaped section, saves the cost and improves the working efficiency.
Description
Technical Field
The invention provides a roller axial adjusting mechanism and a ring rolling machine, relates to the field of forging and pressing machinery, and particularly relates to the field of ring rolling machinery.
Background
In the prior known ring rolling machine, the axial positions of a main roller and a core roller relative to a machine body of the ring rolling machine are fixed. The rolling capability of the conventional structure is limited, the quality of ring pieces with special-shaped cross sections cannot be guaranteed when the ring pieces are rolled on the conventional structure, the ring pieces have to be rolled into rectangular cross sections, and then the ring pieces are machined to achieve the required shape, so that great material waste and machining time waste are caused: for example, a ring with a special-shaped cross section like that shown in fig. 2, has to be rolled into the shape of fig. 1 on the prior known ring rolling machine. The required blank is far larger than the ideal blank.
The reason for this is that during rolling, the dimension of the workpiece in the height direction is contracted, the axial position of the lower end face is unchanged when the rectangular section is contracted, the workpiece always leans against the workbench surface of the machine, and the upper end face is contracted downwards; the ring with the special-shaped section is contracted by simultaneously axially contracting the upper end face and the lower end face towards the middle symmetrical plane, so that the lower end face leaves the working table of the machine and is not supported, the rolling process cannot be normally carried out, and the qualified finished ring shown in figure 2 is not rolled.
Disclosure of Invention
In order to solve the above problems, the invention provides a roller axial adjusting mechanism which can directly roll a ring with a special-shaped section (as shown in fig. 2), thereby saving considerable materials and machining time.
The technical scheme of the invention is as follows: the axial roller adjusting mechanism comprises a main roller, a core roller and an axial rolling cone roller set, wherein the main roller is radially fed into the assembly, the main roller axial feeding assembly and the core roller axial feeding assembly; the main roll diameter direction feeding assembly comprises a main roll diameter direction feeding sliding block and a first driving device, wherein a ring rolling machine body moving chute is arranged on the main roll diameter direction feeding sliding block, and the first driving device drives the ring rolling machine body to move in the ring rolling machine body moving chute; the main roller axial feeding component is arranged on one side of the ring rolling machine main body, and the main roller is connected with the main roller axial feeding component through a main roller bearing group; the main roll radial feeding sliding block is provided with a core roll axial feeding assembly, and the core roll is connected with the core roll axial feeding assembly through a core roll bearing group; the core roller and the main roller are arranged in parallel, clamp the blank and drive the blank to rotate together; the axial rolling cone roller set comprises two axial rolling cone rollers, the two axial rolling cone rollers are respectively positioned on the upper side and the lower side of the blank, and the contact surface of the two axial rolling cone rollers and the blank is parallel to the upper surface of the blank.
The technical scheme of the invention also comprises the following steps: the main roll radial feeding sliding block is provided with a core roll axial feeding sliding groove and a main roll axial feeding sliding groove.
The technical scheme of the invention also comprises the following steps: the core roller axial feeding assembly comprises a core roller axial feeding sliding block and a second driving device, the core roller is connected with the core roller axial feeding sliding block through a core roller bearing group, and the core roller axial feeding sliding block is driven by the second driving device to further drive the core roller to move in the axial direction of the core roller.
The technical scheme of the invention also comprises the following steps: the core roller axial feed assembly includes a first guide device that cooperates with a core roller axial feed slide structure.
The technical scheme of the invention also comprises the following steps: the main roller axial feeding assembly comprises a main roller axial feeding sliding block and a third driving device, the main roller is connected with the main roller axial feeding sliding block through a main roller bearing group, and the main roller axial feeding sliding block is driven by the third driving device to further drive the main roller to axially displace.
The technical scheme of the invention also comprises the following steps: the main roller axial feeding assembly comprises a second guiding device, and the second guiding device is matched with the main roller axial feeding sliding block structure.
The technical scheme of the invention also comprises the following steps: the first driving device, the second driving device and the third driving device are all driving oil cylinders.
The invention also provides a ring rolling machine which adopts the roller axial adjusting mechanism and comprises a ring rolling machine body, wherein the ring rolling machine body comprises a workbench, and blanks are placed on the workbench.
The invention has the beneficial effects that: the main roller axial adjusting mechanism and the ring rolling machine are provided with a main roller radial feeding sliding block, a ring rolling machine body moving sliding groove for moving the ring rolling machine body is formed in the main roller radial feeding sliding block, a main roller axial feeding component is arranged on the ring rolling machine body, the main roller is connected with the main shaft axial feeding component, correspondingly, a core roller axial feeding component is arranged on the main roller radial feeding sliding block, and the core roller is connected with the core roller axial feeding component, so that the core roller and the main roller can do axial movement of the core roller and the main roller relative to the ring rolling machine body in the rolling process.
The setting compensates the upward shrinkage amount of the lower bottom surface of the workpiece, so that the bottom surface of the workpiece can be kept to be supported by the table top of the workbench all the time, the rolling process can be smoothly carried out, and the quality of the final finished product of the ring piece with the special-shaped section is ensured.
The ring rolling machine manufactured according to the scheme can directly roll the special-shaped section of the ring piece, so that the expensive material cost and the machining time are saved considerably, the production cost is reduced effectively, and the working efficiency is improved.
Drawings
FIG. 1 is a finished product of a prior art ring rolling machine during rolling;
FIG. 2 is a finished product of a ring of profiled cross section that can be rolled in accordance with the present invention;
FIG. 3 is a perspective view of the ring rolling machine of the present invention in operation;
FIG. 4 is a cross-sectional view of the ring rolling machine of the present invention, which is an initial state of rolling;
FIG. 5 is a sectional view showing the final state of the rolling profiled section ring member of the invention in which neither the main roll nor the core roll is axially moved during rolling in the ring rolling machine;
FIG. 6 is a sectional view showing the final state of the rolling profiled section ring member in which both the main roll and the core roll are driven to axially move in the rolling process of the ring rolling machine according to the present invention.
In the figure: 1. the ring rolling machine comprises a ring rolling machine main body, 11, a workbench, 2, main rollers, 3, core rollers, 4, an axial rolling cone roller set, 5, a finished product, 6, a main roller radial feeding assembly, 61, a main roller radial feeding sliding block, 62, a first driving device, 7, a core roller axial feeding assembly, 71, a core roller axial feeding sliding block, 72, a core roller bearing set, 73, a second driving device, 74, a first guiding device, 8, a main roller axial feeding assembly, 81, a main roller axial feeding sliding block, 82, a main roller bearing set, 83, a third driving device, 84, a second guiding device, 9 and blanks.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Meanwhile, since only some embodiments are described below, the embodiments and features in the embodiments in this application may be combined with each other without conflict.
Example 1
As shown in fig. 3 to 6, in a roller axial adjusting mechanism, a main roller diameter direction feeding slide 61 is provided with a moving chute of a ring rolling machine body 1, and a first driving device 62 drives the ring rolling machine body 1 to move in the moving chute of the ring rolling machine body 1. The main roller radial feed slide 61 is further provided with a core roller axial feed chute and a main roller axial feed chute so that the spindle 3 and the main roller 2 are displaced or rotated.
The main roller axial feeding assembly 8 is mounted on one side of the ring rolling machine main body 1, the main roller 2 is connected with the main roller axial feeding sliding block 81 through the main roller bearing group 82, and the main roller axial feeding sliding block 81 is driven by the third driving device 83 to further drive the main roller 2 to move in the main roller axial direction. The main roller bearing group 82 can ensure the rotation of the main roller 2 and has a thrust function to prevent the main roller 2 from axially moving relative to the slide block.
Correspondingly, a core roller axial feeding assembly 7 is mounted on the main roller radial feeding slide 61, the core roller 3 is connected with a core roller axial feeding slide 71 through a core roller bearing group 72, and the core roller axial feeding slide 71 is driven by a second driving device 73 so as to drive the core roller 3 to move in the axial direction of the core roller.
The core roller 3 is arranged in parallel with the main roller 2, and the core roller 3 and the main roller 2 clamp the blank 9 and jointly drive the blank 9 to rotate; the axial rolling cone roller set 4 comprises two axial rolling cone rollers which are respectively positioned at the upper side and the lower side of the blank 9, and the contact surface of the two axial rolling cone rollers and the blank 9 is parallel to the upper surface of the blank 9 so as to roll.
Preferably, the first driving device 62, the second driving device 73, and the third driving device 83 are all driving cylinders.
The roller axial adjusting mechanism is provided with a main roller diameter feeding slide block 61, a ring rolling machine body 1 moving chute for moving the ring rolling machine body 1 is formed in the main roller diameter feeding slide block 61, a main roller axial feeding assembly 8 is arranged on the ring rolling machine body 1, a main roller 2 is connected with the main shaft axial feeding assembly, a core roller axial feeding assembly 7 is correspondingly arranged on the main roller diameter feeding slide block 61, and a core roller 3 is connected with the core roller axial feeding assembly 7, so that the core roller 3 and the main roller 2 can do own axial movement relative to the ring rolling machine body in the rolling process.
As shown in fig. 5, when neither the main roll 2 nor the core roll 3 is axially moved, which corresponds to the working state of the conventional known ring rolling machine, a gap S is formed between the bottom surface of the ring and the table 11, and no acceptable product can be obtained. Wherein S is a gap between the bottom surface of the ring piece formed in the rolling process and the table top of the machine table 11.
As shown in fig. 6, the method that the core roller 3 and the main roller 2 can do their own axial movement relative to the main body of the ring rolling machine in the rolling process is adopted in the technical scheme, so that the upward shrinkage of the lower bottom surface of the workpiece is compensated, the bottom surface of the workpiece can be kept to be supported by the table surface of the workbench 11 all the time, the gap S is eliminated, the rolling process can be smoothly carried out, and the quality of the final product 5 of the ring piece with the special-shaped section is ensured.
Example two
The improvement on the first embodiment is that the core roll axial feed assembly 7 includes a first guide 74 as shown in fig. 3 to 6, the first guide 74 being mounted on the main roll radial feed slider 61 and being in structural engagement with the core roll axial feed slider 71 so as not to be offset.
The main roll axial feed assembly 8 includes a second guide 84, the second guide 84 being mounted on the ring rolling machine body 1 and being structurally engaged with the main roll axial feed slide 81 so as not to be biased.
Example III
The invention also provides a ring rolling machine which adopts the roller axial adjusting mechanism in the first or second embodiment and comprises a ring rolling machine body 1, wherein the ring rolling machine body 1 comprises a workbench 11, and a blank 9 is placed on the workbench 11.
The ring rolling machine manufactured according to the scheme can directly roll the special-shaped section of the ring piece, so that the expensive material cost and the machining time are saved considerably, the production cost is reduced effectively, and the working efficiency is improved.
The above description is not intended to limit the invention in any way, but is to be accorded the full scope of the invention.
Claims (6)
1. The utility model provides a roll axial adjustment mechanism which characterized in that: the axial rolling cone roller assembly comprises a main roller (2), a core roller (3) and an axial rolling cone roller group (4), wherein the main roller diameter direction feeding assembly (6), a main roller axial feeding assembly (8) and a core roller axial feeding assembly (7);
the main roll diameter direction feeding assembly (6) comprises a main roll diameter direction feeding slide block (61) and a first driving device (62), wherein a moving chute of the ring rolling machine main body (1) is arranged on the main roll diameter direction feeding slide block (61), and the first driving device (62) drives the ring rolling machine main body (1) to move in the moving chute of the ring rolling machine main body (1);
the core roller axial feeding assembly (7) comprises a core roller axial feeding sliding block (71) and a second driving device (73), the core roller (3) is connected with the core roller axial feeding sliding block (71) through a core roller bearing group (72), and the core roller axial feeding sliding block (71) is driven by the second driving device (73) to further drive the core roller (3) to move in the axial direction of the core roller;
the main roller axial feeding assembly (8) comprises a main roller axial feeding sliding block (81) and a third driving device (83), the main roller (2) is connected with the main roller axial feeding sliding block (81) through a main roller bearing group (82), and the main roller axial feeding sliding block (81) is driven by the third driving device (83) to further drive the main roller (2) to move in the axial direction of the main roller (2);
the main roller axial feeding assembly (8) is arranged on one side of the ring rolling machine main body (1), and the main roller (2) is connected with the main roller axial feeding assembly (8) through a main roller bearing group (82);
the main roll radial feeding sliding block (61) is provided with a core roll axial feeding assembly (7), and the core roll (3) is connected with the core roll axial feeding assembly (7) through a core roll bearing assembly (72);
the core roller (3) and the main roller (2) are arranged in parallel, the core roller (3) and the main roller (2) clamp the blank (9) and drive the blank (9) to rotate together, the blank (9) is placed on the workbench (11), and the bottom surface of the blank (9) is always supported by the workbench (11);
the axial rolling cone roller set (4) comprises two axial rolling cone rollers, the two axial rolling cone rollers are respectively positioned at the upper side and the lower side of the blank (9), and the contact surface of the two axial rolling cone rollers and the blank (9) is parallel to the upper surface of the blank (9).
2. The roll axial adjustment mechanism of claim 1, wherein: the main roll radial feeding sliding block (61) is provided with a core roll axial feeding sliding groove and a main roll axial feeding sliding groove.
3. The roll axial adjustment mechanism of claim 1, wherein: the core roll axial feed assembly (7) comprises a first guide device (74), and the first guide device (74) is matched with the core roll axial feed sliding block (71) in a structure.
4. The roll axial adjustment mechanism of claim 1, wherein: the main roller axial feed assembly (8) comprises a second guide means (84), the second guide means (84) being structurally associated with the main roller axial feed slide (81).
5. The roll axial adjustment mechanism of claim 1, wherein: the first driving device (62), the second driving device (73) and the third driving device (83) are all driving oil cylinders.
6. The utility model provides a ring rolling machine which characterized in that: comprising a ring rolling machine body (1) and a roll axial adjustment mechanism according to any one of claims 1 to 5, the ring rolling machine body (1) comprising a table (11), the blanks (9) being placed on the table (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811106160.9A CN108907045B (en) | 2018-09-21 | 2018-09-21 | Roller axial adjusting mechanism and ring rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811106160.9A CN108907045B (en) | 2018-09-21 | 2018-09-21 | Roller axial adjusting mechanism and ring rolling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108907045A CN108907045A (en) | 2018-11-30 |
| CN108907045B true CN108907045B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811106160.9A Active CN108907045B (en) | 2018-09-21 | 2018-09-21 | Roller axial adjusting mechanism and ring rolling machine |
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| Country | Link |
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| CN (1) | CN108907045B (en) |
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| JP7121929B2 (en) * | 2019-12-25 | 2022-08-19 | 日立金属株式会社 | Method for manufacturing ring rolled material |
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| CN108907045A (en) | 2018-11-30 |
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