CN202763211U - Machining knife with support structure - Google Patents
Machining knife with support structure Download PDFInfo
- Publication number
- CN202763211U CN202763211U CN 201220411746 CN201220411746U CN202763211U CN 202763211 U CN202763211 U CN 202763211U CN 201220411746 CN201220411746 CN 201220411746 CN 201220411746 U CN201220411746 U CN 201220411746U CN 202763211 U CN202763211 U CN 202763211U
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- Prior art keywords
- main shaft
- face
- bearing
- knife bar
- cylinder
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Abstract
The utility model discloses a machining knife with support structure. The machining knife with support structure aims at effectively solving the problem of the easy fracture of a cutter bar when machining the groove in the side wall of a deep hole and improving the service life and the machining efficiency of the knife. The machining knife with support structure comprise a main shaft, the cutter bar and a cutter head, wherein the cutter bar and the cutter head are coaxially arranged on the main shaft; the cutter head is arranged at the end of the cutter bar. The main shaft is provided with a tool apron in a sleeved mode. A bearing is arranged between the tool apron and the main shaft. The tool apron is provided with a support rod extending along the direction of the main shaft. The support rod and the cutter head are in the same side of the tool apron. The end of the support rod is provided with a radical supporting seat extending towards the cutter bar. One side of the radical supporting seat closing to the cutter bar is provided with a first cylinder surface which is in the same shaft of the main shaft. The first cylinder surface is matched with the cutter bar.
Description
Technical field
The utility model relates to a kind of cutter, is specifically related to a kind of process tool with supporting construction.
Background technology
Cutter has these several parts of handle of a knife, knife bar and cutter head usually, and by handle of a knife cutter is fixed on the lathe.Cutter relies on the structure of cutter itself to bear external force suffered in the machining process in machining process fully.For example, China Patent Publication No. CN202114363U, open day on January 18th, 2012, the name of innovation and creation is called inner bore slotting tool, this application case discloses a kind of inner bore slotting tool, it has a cylinder handle of a knife, is milled with the transition knife bar that a cambered surface consists of at the front end of handle of a knife, and the top of transition knife bar is provided with a cutting edge.When this present class cutter, groove on the deep hole processing sidewall, the knife bar of cutter is usually all very long as required; When especially processing the less crescent 15 of radius on some deep hole 14 sidewalls as shown in Figure 3, Figure 4, the knife bar of cutter will be not only thin but also long; This is so that the easily fracture in process of the knife bar of cutter damages cutter; Not only can increase processing cost, and reduce working (machining) efficiency.
The utility model content
The purpose of this utility model is when overcoming the groove of existing cutter on the deep hole processing sidewall, the knife bar of cutter is the problem of fracture easily, provide a kind of can effectively solve the groove of cutter on the deep hole processing sidewall time, knife bar is the problem of fracture easily, and improves the process tool with supporting construction of cutting-tool's used life and working (machining) efficiency.
The technical solution of the utility model is:
A kind of process tool with supporting construction comprises main shaft, and coaxial knife bar on the main shaft and the cutter head of knife bar end of being arranged on is arranged with tool rest on the described main shaft, is provided with bearing between tool rest and the main shaft; Described tool rest is provided with along the axially extended support bar of main shaft, and support bar and cutter head are positioned at the same side of tool rest, the end of support bar is provided with the radially bearing that extends towards knife bar, radially the side near knife bar is provided with first face of cylinder coaxial with main shaft on the bearing, matches with knife bar in first face of cylinder.The cutter of this programme is when work, and at first the shank by main shaft is fixed to cutter on the lathe; Then by on the fuselage of bolt with tool rest fixed band lathe; Like this in the process that main shaft rotates tool rest, support bar and radially bearing will be fixed on the fuselage knife bar will be supported.Drive in the process of knife bar rotation at main shaft, knife bar cooperates with first face of cylinder; When the cutter head machined grooves, knife bar can be resisted against on first face of cylinder and by support bar and radially bearing knife bar is supported, with this intensity of strengthening knife bar, when guaranteeing the groove on the deep hole sidewall, knife bar can not rupture; Thereby improve cutting-tool's used life and working (machining) efficiency.
As preferably, the radially bearing side at place, first face of cylinder is to knife bar projection second face of cylinder, and the axis on second face of cylinder parallels with main-shaft axis.Because the radially bearing upper side at place, first face of cylinder is to knife bar projection second face of cylinder; When cutter during in the deep hole processing sidewall notches, radially bearing is difficult for producing with the deep hole sidewall and interferes, and especially deep hole is in the situation of circular hole; Can guarantee carrying out smoothly of Pocket Machining.
As preferably, radially the side relative with second face of cylinder is and the coaxial three cylindrical face of main shaft on the bearing, and the axis on second, third face of cylinder and main-shaft axis are in same plane.Because radially the side relative with second face of cylinder be and the coaxial three cylindrical face of main shaft on the bearing, when radially bearing stretches into deep hole, be difficult for producing interference with the deep hole sidewall, especially deep hole is in the situation of circular hole, can stretch in the deep hole owing to bearing radially.In addition, because the axis on second, third face of cylinder and main-shaft axis are in same plane, guaranteed that first face of cylinder is positioned at mouth on second face of cylinder near the part of knife bar, be conducive to radially bearing to the support of knife bar, also be conducive to radially bearing simultaneously and do not produce with the deep hole sidewall and interfere.
As preferably, radially the end face edge relative with cutter head is provided with semicircle breach on the bearing, and the opening of semicircle breach and knife bar are oppositely arranged; Be provided with the semicircle axle bush coaxial with main shaft in the described semicircle breach, the medial surface of axle bush consists of described first face of cylinder, and knife bar is located in the axle bush.Medial surface by axle bush consists of described first face of cylinder, and knife bar is cooperated with axle bush; Not only can reduce the frictional force when relatively rotating between knife bar and the axle bush, and and with produce to make.In addition, semicircle axle bush not only is conducive to knife bar and is assemblied on the main shaft, and can reduce the axle bush cost under the prerequisite of bearing to the knife bar secure support guaranteeing radially.
As preferably, the support bar cross section is circular arc.The support bar cross section is circular arc, is conducive to not produce with the deep hole sidewall when radially bearing stretches into deep hole interfere, and especially deep hole is in the situation of circular hole.
As preferably, tool rest is provided with anchor ear, and anchor ear is provided with contiguous block and contiguous block is provided with through hole.Because anchor ear itself is bolted on the tool rest, thereby the circumferential position of the contiguous block on the anchor ear can regulate, and this is conducive to be fixed on the fuselage by contiguous block and the tool rest of bolt with anchor ear.
As preferably, the tool rest cross section is rounded, and is provided with the ring-shaped step of depression on the tool rest away from an end face outer edge of cutter head, and described anchor ear is arranged on the ring-shaped step; Near the bearing (ball) cover that is arranged with a circle on the main shaft of this ring-shaped step, bearing (ball) cover is bolted on the end surface of knife holder, and the external diameter of bearing (ball) cover is greater than the diameter of the ring surface of ring-shaped step.Bearing (ball) cover is not only as the spacing back-up ring of bearing one end, but also can play the effect of spacing anchor ear.
As preferably, bearing is made of forward and backward two bearings that are arranged side by side, and is provided with end ring between the forward and backward two bearings.When main shaft rotates, owing to bearing is made of forward and backward two bearings that are arranged side by side, and be provided with end ring between the forward and backward two bearings; Can improve the stability of tool rest, and then improve support bar and the stability of bearing radially, be conducive to strengthen support bar and radially bearing to the support strength of knife bar.
The beneficial effects of the utility model are: under the prerequisite that the groove that guarantees on the deep hole sidewall can be processed smoothly, when efficiently solving the groove of cutter on the deep hole processing sidewall, knife bar is the problem of fracture easily, and improves cutting-tool's used life and working (machining) efficiency.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is a kind of cross-sectional view at A-A place among Fig. 1.
Fig. 3 is a kind of structural representation of the crescent on a kind of deep hole sidewall.
Fig. 4 is a kind of cross-sectional view at B-B place among Fig. 3.
Among the figure: main shaft 1, tool rest 2, support bar 3, radially bearing 4, axle bush 5, cutter head 6, knife bar 7, bearing 8, anchor ear 9, bearing (ball) cover 10, contiguous block 11, second face of cylinder 12, three cylindrical face 13, deep hole 14, crescent 15.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment the utility model is described in further detail:
As shown in Figure 1 and Figure 2, a kind of process tool with supporting construction comprises main shaft 1, coaxial knife bar 7 on the main shaft 1 and the cutter head 6 of knife bar end of being arranged on.Be arranged with tool rest 2 on the main shaft 1, and the tool rest cross section is rounded.Be provided with bearing 8 between tool rest 2 and the main shaft 1.Bearing is made of forward and backward two bearings that are arranged side by side, and is provided with end ring between the forward and backward two bearings.Tool rest 2 is provided with along main shaft 1 axially extended support bar 3, and the support bar cross section is circular arc.Support bar 3 is structure as a whole with tool rest 2.Support bar 3 and cutter head 6 are positioned at the same side of tool rest 2.The end of support bar 3 is provided with the radially bearing 4 that extends towards knife bar 7.Radially being provided with first face of cylinder coaxial with main shaft 1 near a side of knife bar on the bearing 4, matches with knife bar 7 in first face of cylinder; Be specifically, radially the end face edge relative with cutter head 6 is provided with semicircle breach on the bearing 1, and the opening of semicircle breach and knife bar 7 are oppositely arranged; Be provided with the semicircle axle bush 5 coaxial with main shaft 1 in the semicircle breach, the medial surface of axle bush 5 consists of described first face of cylinder.Knife bar 7 is located in the axle bush 5.The side of the radially bearing 4 at place, first face of cylinder is to knife bar projection second face of cylinder 12, and namely the side of the radially bearing 4 at axle bush 5 places is to knife bar projection second face of cylinder 12.The axis on second face of cylinder 12 parallels with main shaft 1 axis.Radially the side relative with second face of cylinder 12 is and main shaft 1 coaxial three cylindrical face 13 on the bearing 4, and the axis on second, third face of cylinder and main-shaft axis are in same plane.
The installation method of cutter of the present utility model is as follows:
At first the shank by main shaft is fixed to cutter on the lathe.
Then pass the through hole of the contiguous block 11 on the anchor ear 9 by a bolt, anchor ear 9 is fixed on the fuselage of lathe, and then on the fuselage with tool rest fixed band lathe.Like this in the process that main shaft rotates tool rest, support bar and radially bearing will be fixed on the fuselage, can support knife bar.
Drive in the process of knife bar 7 rotations at main shaft 1, knife bar cooperates with axle bush 5; When cutter head 6 machined grooves, knife bar 7 can be resisted against on the axle bush 5 and support by 3 pairs of knife bars 7 of bearing 4 and support bar radially, and with this intensity of strengthening knife bar, when guaranteeing the groove on the deep hole sidewall, knife bar can not rupture.
Claims (8)
1. the process tool with supporting construction comprises main shaft (1), and coaxial knife bar (7) on the main shaft and the cutter head (6) of knife bar end of being arranged on is characterized in that, is arranged with tool rest (2) on the described main shaft, is provided with bearing (8) between tool rest and the main shaft; Described tool rest is provided with along the axially extended support bar of main shaft (3), and support bar and cutter head are positioned at the same side of tool rest, the end of support bar is provided with the radially bearing (4) that extends towards knife bar, radially the side near knife bar (7) is provided with first face of cylinder coaxial with main shaft on the bearing, matches with knife bar in first face of cylinder.
2. a kind of process tool with supporting construction according to claim 1, it is characterized in that, radially bearing (4) side at place, described first face of cylinder is to protruding second face of cylinder of knife bar (7) (12), and the axis on second face of cylinder parallels with main-shaft axis.
3. a kind of process tool with supporting construction according to claim 2, it is characterized in that, the upper side relative with second face of cylinder of described radially bearing (4) be and the coaxial three cylindrical face of main shaft (13), and the axis on second, third face of cylinder and main-shaft axis are in same plane.
4. according to claim 1 and 2 or 3 described a kind of process tools with supporting construction, it is characterized in that the upper end face edge relative with cutter head (6) of described radially bearing (1) is provided with semicircle breach, and the opening of semicircle breach and knife bar are oppositely arranged; Be provided with the semicircle axle bush (5) coaxial with main shaft (1) in the described semicircle breach, the medial surface of axle bush consists of described first face of cylinder, and knife bar (7) is located in the axle bush (5).
5. according to claim 1 and 2 or 3 described a kind of process tools with supporting construction, it is characterized in that support bar (3) cross section is circular arc.
6. according to claim 1 and 2 or 3 described a kind of process tools with supporting construction, it is characterized in that tool rest (2) is provided with anchor ear (9), anchor ear is provided with contiguous block (11) and contiguous block is provided with through hole.
7. a kind of process tool with supporting construction according to claim 6, it is characterized in that, described tool rest (2) cross section is rounded, and is provided with the ring-shaped step of depression on the tool rest away from an end face outer edge of cutter head (6), and described anchor ear (9) is arranged on the ring-shaped step; Near the bearing (ball) cover (10) that is arranged with a circle on the main shaft (1) of this ring-shaped step, bearing (ball) cover is bolted on the end surface of knife holder, and the external diameter of bearing (ball) cover is greater than the diameter of the ring surface of ring-shaped step.
8. according to claim 1 and 2 or 3 described a kind of process tools with supporting construction, it is characterized in that bearing is made of forward and backward two bearings that are arranged side by side, and is provided with end ring between the forward and backward two bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411746 CN202763211U (en) | 2012-08-20 | 2012-08-20 | Machining knife with support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411746 CN202763211U (en) | 2012-08-20 | 2012-08-20 | Machining knife with support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202763211U true CN202763211U (en) | 2013-03-06 |
Family
ID=47769811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220411746 Expired - Lifetime CN202763211U (en) | 2012-08-20 | 2012-08-20 | Machining knife with support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202763211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286586A (en) * | 2013-06-19 | 2013-09-11 | 江苏鼎顺重型机床有限公司 | High-rigidness knife rod supporting block structure |
-
2012
- 2012-08-20 CN CN 201220411746 patent/CN202763211U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286586A (en) * | 2013-06-19 | 2013-09-11 | 江苏鼎顺重型机床有限公司 | High-rigidness knife rod supporting block structure |
| CN103286586B (en) * | 2013-06-19 | 2016-05-11 | 江苏鼎顺重型机床有限公司 | High rigidity knife bar support block structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 77, No. 18 Avenue, Hangzhou economic and Technological Development Zone, Hangzhou, Zhejiang Patentee after: Hangzhou Liande mechanical equipment Polytron Technologies Inc. Address before: No. 77, No. 18 Avenue, Hangzhou economic and Technological Development Zone, Hangzhou, Zhejiang Patentee before: ALLIED MACHINERY (HANGZHOU) Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 18 Avenue, No. 77 Patentee after: HANGZHOU ALLIED PRECISION MACHINERY CO.,LTD. Address before: No. 77, No. 18 Avenue, Hangzhou economic and Technological Development Zone, Hangzhou, Zhejiang Patentee before: Hangzhou Liande mechanical equipment Polytron Technologies Inc. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |