CN2792680Y - Welding pile-up structure for cutter with multiple-edge - Google Patents
Welding pile-up structure for cutter with multiple-edge Download PDFInfo
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- CN2792680Y CN2792680Y CN 200520019824 CN200520019824U CN2792680Y CN 2792680 Y CN2792680 Y CN 2792680Y CN 200520019824 CN200520019824 CN 200520019824 CN 200520019824 U CN200520019824 U CN 200520019824U CN 2792680 Y CN2792680 Y CN 2792680Y
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Abstract
The utility model belongs to the resurfacing welding field, which concretely relates to a resurfacing welding structure for a cutter tool with multiple edges. The utility model is composed of a cutter body, a cutter edge, a surfacing welding groove and a high-speed steel welding stick, and the toughness of the core part of the cutter tool is improved, which enables the antiknock performance, the torsion resistant performance and the shock resistant performance to obtain larger improvements; the whole performance of the cutter tool is obviously improved, and because the utility model has reasonable changed structure, improved process and reduced processing cost, the quality of products is simultaneously and largely improved.
Description
One, technical field:
The utility model belongs to the built-up welding field, relates to a kind of built-up welding structure of multiple-cutting-edge tool specifically.
Two, background technology:
Common multiple-cutting-edge tool is butt welding taper shank formula structure and overall structure mostly at present, the control of welding cutting tools heat processing technique is difficult, concentrate at butt welding position generation stress easily during butt welding and rupture, if do not eliminate and thoroughly will produce significant impact to the use of cutter, though and integrally-built multiple-cutting-edge tool is effective, but the process equipment performance requirement is higher, and waste of material is big, the cost height.
Three, summary of the invention:
The purpose of this utility model is on the matrix of ordinary steel, mills out the built-up welding groove, with high-speed steel welding rod built-up welding high-speed steel, forms the built-up welding structure of a kind of multiple-cutting-edge tool of cutting portion, to overcome above-mentioned deficiency in the built-up welding groove.
The purpose of this utility model is realized by following technical scheme:
A kind of built-up welding structure of multiple-cutting-edge tool comprises cutter hub, blade, built-up welding groove, high-speed steel welding rod, and be characterized in: cutter hub is provided with the built-up welding groove, is provided with blade in the built-up welding groove; Blade mills out after by the built-up welding of high-speed steel welding rod.
Adopting the main body of this cutter of the utility model technique for overlaying is common medium-carbon steel or medium carbon alloy steel, improved the toughness of cutter heart portion, make its antidetonation, antitorque, shock resistance is greatly improved, obviously improved the overall performance of this cutter, moreover because the change of structure, reduced the cost of this cutter, obtained tangible economic benefit, technique for overlaying simple in structure, the technology enforceability is strong, overcome equipment performance has been had relatively high expectations, overcome the too high deficiency of whole high-speed steel cost again,, reasonably changed structure satisfying under the situation of instructions for use, improved process, cut down finished cost, obtained good effect, make the qualification rate of this series products improve nearly 5 percentage points, cost has compared original whole reduction by 15 percentage points, has obtained significant effect.
Four, description of drawings:
Fig. 1 is an overall structure schematic diagram of the present utility model:
Fig. 2 is the structural representation of the utility model built-up welding groove;
Fig. 3 is the structural representation of the utility model cutter hub 1.
Five, the specific embodiment:
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 1 to Figure 3, the utility model is by comprising that cutter hub 1, blade 2, built-up welding groove 3, high-speed steel welding rod form, and its characteristics are: cutter hub 1 is provided with built-up welding groove 3, is provided with blade 2 in the built-up welding groove 3; Blade 2 mills out after by the built-up welding of high-speed steel welding rod, built-up welding mainly is divided into two steps: one, preparation before the weldering: the i.e. processing of cutter hub built-up welding groove, on the good cutter hub blank of forging, go in a large number with lathe, external diameter, the suitable allowance of length, as Fig. 3, mill out the built-up welding groove with milling machine afterwards, as Fig. 2, and cleaning built-up welding groove, it is strict with result calculated processing that the shape of built-up welding groove is wanted; Two, built-up welding: in milling good built-up welding groove,, want gradation to carry out during built-up welding with high-speed steel welding rod built-up welding high-speed steel, cleaning weldering scab is up to piling with the built-up welding groove for extremely, promptly consistent with the external diameter of cutter hub.Like this, just finished built-up welding, then carried out suitable heat treatment, the processing method that has by whole multiple-cutting-edge tool is processed then, just obtains the multiple-cutting-edge tool of built-up welding structure, as Fig. 1.
The utility model can be processed on the general tool machining tool, and is simple, improving product structure, and there is significance aspect such as reduce cost.
Claims (2)
1, a kind of built-up welding structure of multiple-cutting-edge tool comprises cutter hub, blade, built-up welding groove, high-speed steel welding rod, is characterized in: cutter hub (1) is provided with built-up welding groove (3), is provided with blade (2) in the built-up welding groove (3).
2, the built-up welding structure of a kind of multiple-cutting-edge tool according to claim 1 is characterized in: blade (2) mills out after by the built-up welding of high-speed steel welding rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520019824 CN2792680Y (en) | 2005-04-29 | 2005-04-29 | Welding pile-up structure for cutter with multiple-edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520019824 CN2792680Y (en) | 2005-04-29 | 2005-04-29 | Welding pile-up structure for cutter with multiple-edge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2792680Y true CN2792680Y (en) | 2006-07-05 |
Family
ID=36819832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520019824 Expired - Lifetime CN2792680Y (en) | 2005-04-29 | 2005-04-29 | Welding pile-up structure for cutter with multiple-edge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2792680Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817412A (en) * | 2014-02-28 | 2014-05-28 | 中信重工机械股份有限公司 | Welding technology of cutter heads and cutter holders of hard-rock tunnel boring machine |
-
2005
- 2005-04-29 CN CN 200520019824 patent/CN2792680Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817412A (en) * | 2014-02-28 | 2014-05-28 | 中信重工机械股份有限公司 | Welding technology of cutter heads and cutter holders of hard-rock tunnel boring machine |
| CN103817412B (en) * | 2014-02-28 | 2015-12-02 | 中信重工机械股份有限公司 | A kind of cutterhead of hard rock mole and the welding procedure of tool rest |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150429 Granted publication date: 20060705 |