CN213004599U - Large-diameter inner hole vertical lathe polishing tool - Google Patents
Large-diameter inner hole vertical lathe polishing tool Download PDFInfo
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- CN213004599U CN213004599U CN202020954704.3U CN202020954704U CN213004599U CN 213004599 U CN213004599 U CN 213004599U CN 202020954704 U CN202020954704 U CN 202020954704U CN 213004599 U CN213004599 U CN 213004599U
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- vertical lathe
- inner hole
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Abstract
The utility model relates to a major diameter hole merry go round machine polishing frock for the polishing of work piece major diameter hole, including main part piece, connecting plate, honing emery stick and elastic element, wherein: the main body block is used for being connected to a tool rest of a vertical lathe and is provided with a working end used for pointing to the side wall of an inner hole of a workpiece fixed on a rotary worktable of the vertical lathe, and the working end of the main body block is provided with an installation groove; the connecting plate is embedded in the mounting groove and is provided with an extending part protruding out of the opening of the mounting groove, and the connecting plate can slide on a straight line of the working end pointing direction relative to the mounting groove; the honing emery stick is arranged at the tail end of the extension part of the connecting plate; the elastic element is arranged in the mounting groove and acts on the connecting plate to apply elastic force pointing to the outer direction of the mounting groove to the connecting plate. Compared with the prior art, the utility model discloses simple high-efficient, low cost can adapt to the high major diameter hole processing of roughness requirement, can accomplish processing, guarantee form and position tolerance at a clamping work piece on the merry go round machine.
Description
Technical Field
The utility model belongs to the technical field of major diameter hole processing technique and specifically relates to a especially relate to a major diameter hole merry go round machine polishing frock and improve roughness's integration processing method.
Background
At present, for the cylinder inner bore with the size larger than phi 1000mm and the roughness drawing requirement smaller than 1.6, a manufacturer does not have a machine tool to process, and although a foreign company has a special machine tool, the processing cost is very high, the processing period cannot be guaranteed, and the production progress is influenced. Therefore, manufacturers need a viable and inexpensive solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a major diameter hole merry go round machine polishing frock and the integrated processing method who improves the roughness. The method is simple, efficient and low in cost, and can be suitable for machining large-diameter inner holes with high roughness requirements.
The purpose of the utility model can be realized through the following technical scheme:
the utility model discloses the first aspect provides a major diameter hole merry go round machine polishing frock for the polishing of work piece major diameter hole, include:
a main body block which is used for being connected on a tool rest of the vertical lathe and is provided with a working end used for pointing to the side wall of an inner hole of a workpiece fixed on a rotary worktable of the vertical lathe, the working end of the main body block is provided with an installation groove,
a connecting plate embedded in the mounting groove and having an extending portion protruding from the opening of the mounting groove, the connecting plate being slidable relative to the mounting groove on a straight line in which the working end is directed,
the honing emery stick is arranged at the tail end of the extension part of the connecting plate,
and the elastic element is arranged in the mounting groove and acts on the connecting plate to apply elastic force pointing to the outer direction of the mounting groove to the connecting plate.
Preferably, the main body block consists of a block body and cover plates covering two opposite side surfaces of the block body, the working end is positioned at one end of the block body, and the other end, opposite to the working end, of the block body is connected to a tool rest of the vertical lathe.
Preferably, the cover plate is fixed to the block body by a plurality of bolts.
Preferably, the mounting groove penetrates through the block body along the direction of the two cover plates, and the cover plates cover two ends of the mounting groove; the opening of the mounting groove is positioned on the working end.
Preferably, the mounting groove is a C-shaped groove.
Preferably, the connecting plate consists of a plate body and an extension part, the plate body is positioned in the mounting groove, and the extension part extends out of an opening of the mounting groove; the two sides of the plate body are limited by the cover plates.
Preferably, when the connecting plate slides to the outermost end on the straight line where the working end points to the direction with respect to the mounting groove, a moving space is provided between the groove bottom of the mounting groove and the plate body, and the elastic element is disposed in the moving space.
Preferably, the elastic element is at least one spring. More preferably a plurality of springs.
Preferably, one surface of the honing emery stick facing to the side wall of the inner hole of the workpiece is in an arc shape matched with the shape of the side wall of the inner hole.
Preferably, the honing emery stick is glued on the connecting plate through epoxy resin.
The utility model discloses the second aspect provides an integration processing method that major diameter hole improves roughness, adopts the frock, including following step:
s1: continuously keeping the clamping state of the previous process on a rotating workbench of the vertical lathe by the workpiece, and installing the tool on a tool rest of the vertical lathe;
s2: rotating the workpiece, moving the vertical lathe tool rest along the radial direction of the workpiece, and driving the tool to move towards the side wall of the inner hole of the workpiece, so that the honing emery stick is tightly attached to the side wall of the inner hole of the workpiece under the action of the elastic element;
s3: the lathe tool rest moves in the axial direction of the workpiece, and the inner hole side wall is machined through the honing sand bars, so that the roughness of the inner hole is improved.
Preferably, the speed of the vertical lathe tool rest moving along the axial direction of the workpiece is 3-5 mm/min; the linear speed of the workpiece rotation is 40-60m/min, and the machining allowance is 0.03 mm.
Preferably, 20# engine oil is used for lubrication during the process.
In the present invention, the former step generally refers to finish-turning an inner hole on a workpiece.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. low cost and convenience. The existing processing equipment of a large-diameter inner hole workpiece manufacturer, namely a vertical lathe, is effectively utilized, the problem of cost increase caused by additionally purchasing a machine tool is solved, the structure of the tool is simple and ingenious, and the manufacturing manufacturer can carry out processing production by oneself. In addition, the installation, the use and the disassembly of the tool are very convenient.
2. To the major diameter hole, the utility model discloses can accomplish processing on the merry go round machine and guarantee geometric tolerances.
3. The final internal bore surface quality roughness may be less than 1.6. The roughness requirement is met by exploring and optimizing the processing technology.
Drawings
Fig. 1 is a schematic view (top view, and the hatched part is a cross-sectional schematic view) of the large-diameter inner hole vertical lathe polishing tool of the present invention.
In the figure, 1 is a main body block, 11 is a block body, 12 is a cover plate, 101 is a working end, 102 is a mounting groove, 103 is a bolt, and 2 is a connecting plate. 21 is the board body, 22 is the extension, 3 is the honing emery stick, 4 is the elastic component, 5 is vertical lathe saddle, 6 is the work piece, 61 is the hole lateral wall.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1
The utility model provides a major diameter hole merry go round machine polishing frock, as shown in FIG. 1 for the polishing of 6 major diameter holes of work piece, including main part piece 1, connecting plate 2, honing emery stick 3 and elastic element 4, wherein:
the main body block 1 is used for being connected to a tool rest 5 of a vertical lathe and is provided with a working end 101 for pointing to the side wall 61 of the inner hole of a workpiece 6 fixed on a rotary worktable of the vertical lathe, and the working end 101 of the main body block 1 is provided with an installation groove 102; the connecting plate 2 is embedded in the mounting groove 102 and is provided with an extending part 22 protruding out of the opening of the mounting groove 102, and the connecting plate 2 can slide on a straight line in which the pointing direction of the working end 101 is located relative to the mounting groove 102; the honing emery 3 is arranged at the tail end of the extension part 22 of the connecting plate 2; the elastic member 4 is disposed in the mounting groove 102 and acts on the connection plate 2 to apply an elastic force to the connection plate 2 in a direction directed outward of the mounting groove 102.
The utility model discloses utilize the existing equipment of producer of production major diameter hole work piece-vertical lathe, vertical lathe can be among the prior art vertical lathe of various forms, during the use, install this frock on vertical lathe knife rest 5, the work piece is after the processing of a previous process is accomplished, need not aversion or change processing equipment, only need continue to keep a previous process the clamping status on vertical lathe swivel work head can, vertical lathe swivel work head drives the work piece and rotates according to certain rotational speed around its central axis, radial movement vertical lathe knife rest, elastic element makes the honing sand strip hug closely on work piece hole lateral wall, and keep certain pressure. The tool rest moves along the axial direction of the workpiece, and an inner hole with higher roughness requirement can be processed.
In this embodiment, as shown in fig. 1, in this embodiment, it is preferable that the main body block 1 is composed of a block body 11 and cover plates 12 covering two opposite side surfaces of the block body 11 (for example, in fig. 1, the two cover plates cover the upper and lower sides of the block body 11 respectively), the installation groove 102 penetrates through the block body 11 along the direction of the two cover plates 12 (in this embodiment, the connection plate 2 can be installed into the installation groove 102 from the upper side and the lower side of the block body 11), and the cover plates 12 cover two ends of the installation groove 102 to limit the connection plate in the upper and lower directions; the opening of the mounting slot 102 is located on the working end 101 to facilitate the exposure of the extension of the connection plate 2. Through the arrangement, the connecting plate 2 can only slide on a straight line at the pointed direction of the working end 101 relative to the mounting groove 102 in the mounting groove 102 (corresponding to the movement of the connecting plate in the left and right directions in the figure 1), and meanwhile, the installability and the detachability of the connecting plate 2 are ensured, and the difficulty in manufacturing the tool is reduced. In the non-embodiment, the above arrangement is adopted such that the working end 101 is located at one end of the block body 11 (corresponding to the right end of the block body 11 in fig. 1), and the other end of the block body 11 opposite to the working end 101 (corresponding to the left end of the block body 11) is connected to the vertical lathe tool holder 5. In the present embodiment, it is further preferable that the cover plate 12 is fixed to the block body 11 by a plurality of bolts 103. Make things convenient for the installation and the dismantlement of apron, also can remove the connecting plate better simultaneously and carry on spacingly.
In this embodiment, the mounting groove 102 is preferably a C-shaped groove, and the cross-sectional shape of the C-shaped groove is similar to that of a "C-shaped channel steel". And preferably the connecting plate 2 is composed of a plate body 21 and an extension part 22, the plate body 21 is positioned in the mounting groove 102, and the extension part 22 extends out of the opening of the mounting groove 102; the two sides of the plate body 21 are limited by the cover plate 12. Preferably, the connecting plate 2 is in a shape of a convex, the plate body 21 is larger in size, and the extension part 22 is smaller in size and matched with the shape of the C-shaped groove. In the present embodiment, it is preferable that when the connection plate 2 slides to the outermost end with respect to the mounting groove 102 on the straight line in which the working end 101 points (i.e., in the state shown in fig. 1), there is a moving space between the groove bottom of the mounting groove 102 and the plate body 21, and the elastic member 4 is disposed in the moving space. Preferably, the elastic element 4 is at least one spring. In this embodiment, two springs are selected and symmetrically installed in the moving space to ensure the uniformity of the elastic force, as shown in fig. 1.
In this embodiment, it is preferable that the surface of the honing emery stick 3 facing the inner hole side wall 61 of the workpiece 6 is in an arc shape matched with the shape of the inner hole side wall 61, so that the honing emery stick 3 is more attached to the large-diameter inner hole. In the present embodiment, the honing emery 3 is preferably glued to the connecting plate 2 by means of epoxy resin.
Example 2
The integrated processing method for improving the roughness of the large-diameter inner hole, which is disclosed by the embodiment 1, adopts the tool, and comprises the following steps:
s1: the workpiece is continuously kept in a clamping state of a previous process (usually, the previous process is to finish turning an inner hole on the workpiece) on a rotating workbench of the vertical lathe, and the tool is arranged on a tool rest of the vertical lathe;
s2: rotating the workpiece, moving the vertical lathe tool rest along the radial direction of the workpiece, and driving the tool to move towards the side wall of the inner hole of the workpiece, so that the honing emery stick is tightly attached to the side wall of the inner hole of the workpiece under the action of the elastic element;
s3: the lathe tool rest moves in the axial direction of the workpiece, and the inner hole side wall is machined through the honing sand bars, so that the roughness of the inner hole is improved.
Through the exploration of the applicant, the speed of the vertical lathe tool rest moving along the axial direction of the workpiece is 3-5 mm/min; the linear speed of the rotation of the workpiece is kept at 40-60m/min according to the diameter of the inner hole, and the machining allowance is 0.03 mm. And the 20# engine oil is used for lubrication in the machining process. In the subsequent work, the applicant also uses the tool for multiple times to finish the polishing work of a plurality of cylinder blocks, and the surface quality of the inner hole meets the requirements of the drawing (the roughness is less than 1.6).
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. The utility model provides a major diameter hole merry go round machine polishing frock for the polishing of work piece (6) major diameter hole, its characterized in that includes:
the main body block (1) is connected to a tool rest (5) of a vertical lathe and is provided with a working end (101) pointing to the inner hole side wall (61) of a workpiece (6) fixed on a rotary worktable of the vertical lathe, the working end (101) of the main body block (1) is provided with an installation groove (102),
a connecting plate (2) embedded in the mounting groove (102) and provided with an extending part (22) protruding out of the opening of the mounting groove (102), wherein the connecting plate (2) can slide on a straight line of the pointing direction of the working end (101) relative to the mounting groove (102),
the honing emery stick (3) is arranged at the tail end of the extension part (22) of the connecting plate (2),
and the elastic element (4) is arranged in the mounting groove (102), acts on the connecting plate (2), and exerts elastic force pointing to the outer direction of the mounting groove (102) on the connecting plate (2).
2. The large-diameter inner hole vertical lathe polishing tool according to claim 1, wherein the main body block (1) consists of a block body (11) and cover plates (12) covering two opposite side surfaces of the block body (11), the working end (101) is located at one end of the block body (11), and the other end, opposite to the working end (101), of the block body (11) is connected to a vertical lathe tool rest (5).
3. The large-diameter inner hole vertical lathe polishing tool according to claim 2, characterized in that the cover plate (12) is fixed on the block body (11) through a plurality of bolts (103).
4. The large-diameter inner hole vertical lathe polishing tool according to claim 2, characterized in that the mounting groove (102) penetrates through the block body (11) along the direction of the two cover plates (12), and the cover plates (12) cover the two ends of the mounting groove (102); the opening of the mounting groove (102) is positioned on the working end (101).
5. The large-diameter inner hole vertical lathe polishing tool according to any one of claims 3 to 4, characterized in that the mounting groove (102) is a C-shaped groove.
6. The large-diameter inner hole vertical lathe polishing tool according to claim 5, characterized in that the connecting plate (2) is composed of a plate body (21) and an extension part (22), the plate body (21) is positioned in the mounting groove (102), and the extension part (22) extends out of an opening of the mounting groove (102); the two sides of the plate body (21) are limited by the cover plate (12).
7. The large-diameter inner hole vertical lathe polishing tool according to claim 6, characterized in that when the connecting plate (2) slides relative to the mounting groove (102) to the outermost end on a straight line in which the working end (101) points, a moving space is formed between the bottom of the mounting groove (102) and the plate body (21), and the elastic element (4) is arranged in the moving space.
8. A large-diameter inner hole vertical lathe polishing tool according to claim 1 or 7, characterized in that the elastic element (4) is at least one spring.
9. The large-diameter inner hole vertical lathe polishing tool according to claim 1, wherein one surface, facing the inner hole side wall (61) of the workpiece (6), of the honing emery stick (3) is in an arc shape matched with the shape of the inner hole side wall (61).
10. A large-diameter inner hole vertical lathe polishing tool according to claim 1 or 9, characterized in that the honing emery stick (3) is glued on the connecting plate (2) through epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020954704.3U CN213004599U (en) | 2020-05-30 | 2020-05-30 | Large-diameter inner hole vertical lathe polishing tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020954704.3U CN213004599U (en) | 2020-05-30 | 2020-05-30 | Large-diameter inner hole vertical lathe polishing tool |
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| CN213004599U true CN213004599U (en) | 2021-04-20 |
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| CN202020954704.3U Active CN213004599U (en) | 2020-05-30 | 2020-05-30 | Large-diameter inner hole vertical lathe polishing tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633553A (en) * | 2020-05-30 | 2020-09-08 | 上海大隆机器厂有限公司 | Large-diameter inner hole vertical lathe polishing tool and integrated machining method for improving roughness |
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- 2020-05-30 CN CN202020954704.3U patent/CN213004599U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633553A (en) * | 2020-05-30 | 2020-09-08 | 上海大隆机器厂有限公司 | Large-diameter inner hole vertical lathe polishing tool and integrated machining method for improving roughness |
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