CN204194833U - A kind of high-pressure gear pump pump cover chamfering rose reamer - Google Patents
A kind of high-pressure gear pump pump cover chamfering rose reamer Download PDFInfo
- Publication number
- CN204194833U CN204194833U CN201420511859.4U CN201420511859U CN204194833U CN 204194833 U CN204194833 U CN 204194833U CN 201420511859 U CN201420511859 U CN 201420511859U CN 204194833 U CN204194833 U CN 204194833U
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- CN
- China
- Prior art keywords
- connecting rod
- cutter head
- conical surface
- pump cover
- rose reamer
- 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.)
- Withdrawn - After Issue
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- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model belongs to machining equipment technical field, particularly relates to a kind of high-pressure gear pump pump cover chamfering rose reamer.Comprise columniform connecting rod (1), cutter head (3) that is integrated, taper platform shape is provided with in its front end, angle between the conical surface of cutter head (3) and connecting rod (1) center line is 5 °, the end of connecting rod (1), the outer rim of cutter head (3) are also tapered, and the angle between this place's conical surface and connecting rod (1) center line is 95 °; The circular arc transition portion (2) that radius equals 0.4mm is provided with between the conical surface of the conical surface in connecting rod (1) end and cutter head (3).
Description
Technical field
The utility model belongs to machining equipment technical field, particularly relates to a kind of high-pressure gear pump pump cover chamfering rose reamer.
Background technology
As shown in Figure 2, high-pressure gear pump pump cover workpiece comprises pump cover body 5, and the inwall of pump cover body 5 is processed with the axis hole of accommodating bearing oil jacket and gear shaft, and the inwall 4 of axis hole is straight, the end face of pump cover body 5 is straight, and both all have high Planeness value and low roughness value.The chamfering of R0.4 is processed in the end face of pump cover body 5 and inwall 4 joint of axis hole and aperture; play guide effect and protective effect time effect is and installs bearing oil jacket in axis hole, while being convenient to oil jacket assembling, avoid sharp-pointed aperture to cause damage to oil jacket.In actual processing, the general rose reamer that adopts is processed above-mentioned chamfer site, and workpiece is fixed on the operating desk of machining center, and the cutter head of rose reamer rotates along the trend of chamfer site the processing that one week completes chamfering.The rose reamer carrying out above-mentioned chamfer machining in prior art generally comprises columniform connecting rod, is provided with columniform cutter head in the front end of connecting rod, is processed into the arcuate shape of R0.4 at the transition of connecting rod and cutter head.There are the following problems in reality processing for the rose reamer of said structure: be limited to processing and positioning precision, above-mentioned rose reamer is when axis hole aperture place makes annular cutting movement, the sidepiece of its cutter head can produce certain shear action to the inwall of axis hole, cause the destruction of axis hole size and inwall fineness, the top of cutter head can produce certain shear action to the end face of pump cover workpiece, causes the destruction of end face plane degree and fineness.
Utility model content
The utility model provides a kind of and effectively avoids to the high-pressure gear pump pump cover chamfering rose reamer that the end face of pump cover workpiece and shaft hole inner wall damage in chamfer machining process for solving in known technology the technical problem that exists, ensures flatness and the fineness of the size of workpiece destroyed and end face and inwall.
The technical scheme that the utility model is taked for the technical problem existed in solution known technology is: a kind of high-pressure gear pump pump cover chamfering rose reamer comprises columniform connecting rod, cutter head that is integrated, taper platform shape is provided with in its front end, angle between the conical surface of cutter head and connecting rod center line is 5 °, the end of connecting rod, the outer rim of cutter head are also tapered, and the angle between this place's conical surface and connecting rod center line is 95 °; The circular arc transition portion that radius equals 0.4mm is provided with between the conical surface and the conical surface of cutter head of connecting rod end.
Advantage of the present utility model and good effect are: the utility model provides a kind of rose reamer for high-pressure gear pump pump cover chamfering of reasonable in design, compared with the rose reamer of existing straight-bar shape, by arranging the conical surface on the outer wall of cutter head and the end face of connecting rod adjacent with it, make this rose reamer when carrying out chamfer machining to the axis hole aperture of pump cover workpiece, except radius is except the circular arc transition portion of 0.4mm contacts with aperture, the end of connecting rod is fully away from the end face of pump cover body, the outer wall of cutter head is fully away from the inwall of axis hole, the flatness of pump cover body end face and the size of fineness and axis hole in chamfer machining process like this, flatness and fineness are not all damaged, improve the product quality of pump cover workpiece.
Accompanying drawing explanation
Fig. 1 is that master of the present utility model looks and broken section structural representation;
Fig. 2 is the front sectional view of the utility model using state.
In figure: 1, connecting rod; 2, transition portion; 3, cutter head; 4, inwall; 5, pump cover body.
Detailed description of the invention
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples and be described in detail as follows:
Refer to Fig. 1, the utility model comprises columniform connecting rod 1, cutter head 3 that is integrated, taper platform shape is provided with in its front end, angle between the conical surface of cutter head 3 and connecting rod 1 center line is 5 °, the end of connecting rod 1, the outer rim of cutter head 3 are also tapered, and the angle between this place's conical surface and connecting rod 1 center line is 95 °.
The circular arc transition portion 2 that radius equals 0.4mm is provided with between the conical surface and the conical surface of cutter head 3 of connecting rod 1 end.
Using method: this rose reamer is arranged on the tool rest of machining center, setting mobile route.Pump cover workpiece is fixed on the operating desk of machining center.Start tool rest, rose reamer moves high-speed rotation simultaneously along preset path.The transition portion 2 of circular arc directly contacts with the aperture of axis hole, the end of connecting rod 1 fully away from the outer wall of the end face of pump cover body 5, cutter head 3 fully away from the inwall of axis hole, infringement is not produced to the above-mentioned position that may contact.
Claims (1)
1. a high-pressure gear pump pump cover chamfering rose reamer, it is characterized in that: comprise columniform connecting rod (1), cutter head (3) that is integrated, taper platform shape is provided with in its front end, angle between the conical surface of cutter head (3) and connecting rod (1) center line is 5 °, the end of connecting rod (1), the outer rim of cutter head (3) are also tapered, and the angle between this place's conical surface and connecting rod (1) center line is 95 °; The circular arc transition portion (2) that radius equals 0.4mm is provided with between the conical surface of the conical surface in connecting rod (1) end and cutter head (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420511859.4U CN204194833U (en) | 2014-09-05 | 2014-09-05 | A kind of high-pressure gear pump pump cover chamfering rose reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420511859.4U CN204194833U (en) | 2014-09-05 | 2014-09-05 | A kind of high-pressure gear pump pump cover chamfering rose reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204194833U true CN204194833U (en) | 2015-03-11 |
Family
ID=52652833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420511859.4U Withdrawn - After Issue CN204194833U (en) | 2014-09-05 | 2014-09-05 | A kind of high-pressure gear pump pump cover chamfering rose reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204194833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275503A (en) * | 2014-09-05 | 2015-01-14 | 天津市汇晶丰精密机械有限公司 | Pump cover chambering cutter for high-pressure gear pump |
-
2014
- 2014-09-05 CN CN201420511859.4U patent/CN204194833U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275503A (en) * | 2014-09-05 | 2015-01-14 | 天津市汇晶丰精密机械有限公司 | Pump cover chambering cutter for high-pressure gear pump |
| CN104275503B (en) * | 2014-09-05 | 2016-09-07 | 天津市汇晶丰精密机械有限公司 | High-pressure gear pump pump cover rose reamer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150311 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |