CN112453450B - Cutter for processing thrust surface of diesel engine cylinder block and processing method thereof - Google Patents
Cutter for processing thrust surface of diesel engine cylinder block and processing method thereofInfo
- Publication number
- CN112453450B CN112453450B CN202011191042.XA CN202011191042A CN112453450B CN 112453450 B CN112453450 B CN 112453450B CN 202011191042 A CN202011191042 A CN 202011191042A CN 112453450 B CN112453450 B CN 112453450B
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- Prior art keywords
- cutter
- thrust surface
- ladder
- holder
- cutter body
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- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims description 18
- 238000003754 machining Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The invention discloses a cutter for processing a thrust surface of a diesel engine cylinder block and a processing method thereof, the cutter comprises a cutter body and a cylinder block thrust surface, a first ladder cutter holder, a second ladder cutter holder, a third ladder cutter holder and a fourth ladder cutter holder are arranged at the bottom of the cutter body, cutter body avoidance parts are arranged on the top surface of the cutter body, the shapes of the first ladder cutter holder, the second ladder cutter holder, the third ladder cutter holder and the fourth ladder cutter holder are triangular, and an included angle is formed between one edge of the first ladder cutter holder and one edge of the second ladder cutter holder and a horizontal line. The invention has simple structure and convenient operation, utilizes 4 steps of the cutter body to realize the processing of the thrust surface of the diesel engine cylinder body, solves the problems of low processing efficiency and poor stability of the thrust surface, integrates the processing of the thrust surface and the chamfering of the thrust surface on one cutter, reduces the investment of chamfering cutters, saves the processing cost and brings economic benefit.
Description
Technical Field
The invention belongs to the technical field of mechanical manufacturing, and particularly relates to a cutter for processing a thrust surface of a diesel engine cylinder block and a processing method thereof.
Background
In the field of machining, the diameter of a thrust surface of a diesel engine cylinder block is larger than that of a previous hole and a next hole of the thrust surface, and machining of a large hole through a small hole is a difficult problem of machining. Because of the lack of a cutter for processing the thrust surface of the cylinder block of the diesel engine and a processing method thereof, the processing thrust surface is subjected to arc interpolation milling, the processing thrust surface chamfer is processed by another cutter, the processing efficiency is low, the cutter consumption is high, and the processing cost is increased for enterprises.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a cutter for processing a thrust surface of a diesel engine cylinder block and a processing method thereof.
The technical scheme adopted by the invention is as follows:
a cutter for processing a thrust surface of a cylinder block of a diesel engine and a processing method thereof, comprising:
The cutter body, the bottom of cutter body is equipped with first ladder blade holder, second ladder blade holder, third ladder blade holder and fourth ladder blade holder, the top surface of cutter body is equipped with the cutter body and dodges the position, first ladder blade holder, second ladder blade holder, third ladder blade holder and fourth ladder blade holder's shape is triangle-shaped, an limit of first ladder blade holder and an limit of second ladder blade holder all become an contained angle with the horizontal line, an limit of third ladder blade holder and an limit of fourth ladder blade holder all are perpendicular with the horizontal plane, the one end of cutter body is connected with the lathe main shaft;
And the cylinder block thrust surface is arranged at one end of the cutter body far away from the main shaft of the machine tool.
Preferably, the distance from the center hole of the third ladder cutter holder to the center line of the cutter body is equal to that from the center hole of the fourth ladder cutter holder, and the distance from the center hole of the first ladder cutter holder to the center line of the cutter body is equal to that from the center hole of the second ladder cutter holder.
Preferably, the front surface of the first ladder blade holder is provided with a first ladder blade, the front surface of the second ladder blade holder is provided with a second ladder blade, the front surface of the third ladder blade holder is provided with a third ladder blade, and the front surface of the fourth ladder blade holder is provided with a fourth ladder blade.
Preferably, a thrust surface hole is formed in one end, close to the cutter body, of the thrust surface of the cylinder body.
Preferably, the inner side of the thrust surface of the cylinder block, which is close to the cutter body, is provided with a thrust surface first side surface, the inner side of the thrust surface first side surface is provided with a first side surface chamfer, one side of the thrust surface first side surface, which is far away from the cutter body, is provided with a thrust surface second side surface, and the inner side of the thrust surface second side surface is provided with a second side surface chamfer.
A processing method of a cutter for processing a thrust surface of a diesel engine cylinder block is characterized in that: the method comprises the following specific steps:
Step 1, one end of a cutter body is connected with a main shaft of a machine tool, the main shaft of the machine tool is oriented, the center of the cutter body is offset by a distance towards the direction of a cutter body avoiding part through a thrust surface hole on a thrust surface of a cylinder body, and when the cutter body passes through the thrust surface hole, the cutter body and a first step blade, a second step blade, a third step blade and a fourth step blade on the cutter body can avoid the thrust surface hole;
step 2, axially feeding the cutter through a thrust surface hole, enabling a fourth stepped cutter holder to enter a first side surface of the thrust surface, returning the cutter body after a sufficient safety distance exists, axially feeding the fourth stepped cutter holder to process the first side surface of the thrust surface, and processing a second side surface of the thrust surface by a third stepped cutter holder in the cutter withdrawal process of the cutter body after the axial feeding of the fourth stepped cutter holder is completed;
Step 3, orienting a main shaft of a machine tool, shifting the center of the cutter body by a distance towards the direction of a cutter body avoidance position, then retracting the cutter to enable a second stepped cutter holder to enter a first side face of a thrust surface, returning the cutter body, axially feeding the cutter to process a first side face chamfer, and processing a second side face chamfer of the thrust surface by the first stepped cutter holder in the cutter retracting process of the cutter body;
And 4, orienting a main shaft of the machine tool, enabling the center of the cutter body to deviate a distance towards the avoiding position of the cutter body, enabling the cutter body to withdraw from the thrust surface hole, and detaching the cutter body after the lower sections of the cutting edges of the third step blade and the fourth step blade on the third step blade holder and the fourth step blade holder are worn, and respectively mounting the cutter body on the first step blade holder and the second step blade holder, wherein the upper sections of unused blades can be used for processing the second side chamfer and the first side chamfer.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
The cutter for processing the thrust surface of the diesel engine cylinder block and the processing method thereof have the advantages that the structure is simple, the operation is convenient, the first side surface and the second side surface of the thrust surface and the chamfer angles of the first side surface and the second side surface are sequentially processed through 4 steps of the cutter body, the axial processing is adopted, the cutter stability is good, the efficiency is high, the thrust surface processing and the thrust surface chamfer angles are integrated on one cutter, the investment of 1 chamfering cutter is reduced, the cutter blade for processing the thrust surface first side surface and the cutter blade for processing the thrust surface second side surface can be recycled, the investment of chamfering cutter blades is reduced, the cost is saved, and the economic benefit is brought.
Drawings
FIG. 1 is a partial view of a present diesel engine block including thrust surfaces;
FIG. 2 is an enlarged schematic illustration of a thrust surface;
FIG. 3 is a schematic view of the cutter body process;
FIG. 4 is a view of the overall structure of the cutter body;
Fig. 5 is a schematic view of the division of the cutting edge processing area of an equilateral triangle blade.
The marks in the figure: 1. a first stepped blade holder; 2. a second stepped blade holder; 3. a third stepped blade holder; 4. a fourth stepped blade holder; 5. a cutter body; 6. the cutter body avoiding part; 7. a first stepped blade; 8. a second stepped blade; 9. a third stepped blade; 10. a fourth stepped blade; 11. a thrust surface second side; 12. a second side chamfer; 13. chamfering a first side surface; 14. a thrust surface first side; 15. thrust face holes; 16. a cylinder block thrust surface.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1:
Referring to fig. 1 to 5, a tool for machining a thrust surface of a diesel engine cylinder block and a machining method thereof, comprising: the cutter body 5, the bottom of the cutter body 5 is provided with a first ladder cutter holder 1, a second ladder cutter holder 2, a third ladder cutter holder 3 and a fourth ladder cutter holder 4, the top surface of the cutter body 5 is provided with a cutter body avoiding part 6, the shapes of the first ladder cutter holder 1, the second ladder cutter holder 2, the third ladder cutter holder 3 and the fourth ladder cutter holder 4 are all triangular, one side of the first ladder cutter holder 1 and one side of the second ladder cutter holder 2 form an included angle with a horizontal line, one side of the third ladder cutter holder 3 and one side of the fourth ladder cutter holder 4 are all vertical to the horizontal plane, and one end of the cutter body 5 is connected with a machine tool spindle; the cylinder block thrust surface 16, cylinder block thrust surface 16 sets up the one end that keeps away from the lathe main shaft at cutter body 5, third ladder blade holder 3 centre bore and fourth ladder blade holder 4 centre bore are equal to cutter body 5 centre line distance, first ladder blade holder 1 centre bore and second ladder blade holder 2 centre bore are equal to cutter body centre line distance, first ladder blade 7 is installed in the front of first ladder blade holder 1, second ladder blade 8 is installed in the front of second ladder blade holder 2, third ladder blade 9 is installed in the front of third ladder blade holder 3, fourth ladder blade 10 is installed in the front of fourth ladder blade holder 4, thrust surface hole 15 has been seted up to the one end that cylinder block thrust surface 16 is close to cutter body 5, the inboard that cylinder block thrust surface 16 is close to cutter body 5 is equipped with thrust surface first side 14, the inboard of thrust surface first side 14 is equipped with first side chamfer 13, the one side that thrust surface first side 14 kept away from cutter body 5 is equipped with thrust surface second side 11, the inboard of thrust surface second side 11 is equipped with second side chamfer 12.
By adopting the technical scheme:
The cutter body 5 is provided with a cutter body avoiding part 6, the length from a bus of the cutter body avoiding part 6 to the center of the cutter body 5 is a, the center of the cutter body 5 is offset by a distance y towards the cutter body avoiding part 6, the cutter body 5 can avoid when the cutter body 5 passes through the thrust surface hole 15, the cutter body 5 returns, after the first side surface 14 of the thrust surface and the second side surface 11 of the thrust surface are processed, the center of the cutter body 5 is offset by a distance y towards the cutter body avoiding part 6, and the cutter body 5 can retract.
Example 2:
a processing method of a cutter for processing a thrust surface of a diesel engine cylinder block comprises the following steps:
Step 1, one end of a cutter body 5 is connected with a main shaft of a machine tool, the main shaft of the machine tool is oriented, the center of the cutter body 5 is offset by a distance towards a cutter body avoidance position 6 through a thrust surface hole 15 on a thrust surface 16 of a cylinder body, and when the cutter body 5 passes through the thrust surface hole 15, the cutter body 5 and a first step blade 7, a second step blade 8, a third step blade 9 and a fourth step blade 10 on the cutter body 5 can avoid the thrust surface hole 15;
Step 2, axially feeding the cutter through a thrust surface hole 15, enabling the fourth stepped cutter holder 4 to enter a thrust surface first side surface 14, returning the cutter body 5 after a sufficient safety distance exists, axially feeding the fourth stepped cutter holder 4 to process the thrust surface first side surface 14, and processing a thrust surface second side surface 11 by the third stepped cutter holder 3 in the cutter withdrawal process of the cutter body 5 after the completion;
Step 3, orienting a main shaft of a machine tool, shifting the center of a cutter body 5 by a distance towards a cutter body avoidance position 6, then retracting the cutter to enable a second stepped cutter holder 2 to enter a first side 14 of a thrust surface, returning the cutter body 5, axially feeding the cutter to process a first side chamfer 13, and processing a second side chamfer 12 of the thrust surface by the first stepped cutter holder 1 in the retracting process of the cutter body 5;
And 4, orienting a main shaft of a machine tool, wherein the center of the cutter body 5 deviates a distance towards the cutter body avoidance position 6, the cutter body 5 is withdrawn from the thrust surface hole 15, and when the lower sections of the cutting edges of the third step blade 9 and the fourth step blade 10 on the third step blade holder 3 and the fourth step blade holder 4 are worn, the lower sections are detached and respectively assembled on the first step blade holder 1 and the second step blade holder 2, and the upper sections of unused blades can be used for processing the second side chamfer 12 and the first side chamfer 13.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (1)
1. A method of machining a tool for machining a thrust surface of a diesel engine cylinder block, the tool for machining a thrust surface of a diesel engine cylinder block comprising: the novel knife comprises a knife body (5), wherein a first ladder knife holder (1), a second ladder knife holder (2), a third ladder knife holder (3) and a fourth ladder knife holder (4) are arranged at the bottom of the knife body (5), a knife body avoidance part (6) is arranged on the top surface of the knife body (5), and the shapes of the first ladder knife holder (1), the second ladder knife holder (2), the third ladder knife holder (3) and the fourth ladder knife holder (4) are triangular; when the cutter is horizontally placed, an included angle is formed between one edge of the first ladder cutter holder (1) and one edge of the second ladder cutter holder (2) and a horizontal line, and one edge of the third ladder cutter holder (3) and one edge of the fourth ladder cutter holder (4) are perpendicular to the horizontal plane; one end of the cutter body (5) is connected with a main shaft of the machine tool; the thrust surface (16) of the cylinder body to be processed is arranged at one end of the cutter body (5) far away from the main shaft of the machine tool; the distance from the center hole of the third stepped tool apron (3) to the center line of the tool body (5) is equal to that from the center hole of the fourth stepped tool apron (4), and the distance from the center hole of the first stepped tool apron (1) to the center line of the tool body is equal to that from the center hole of the second stepped tool apron (2); the front face of the first ladder knife holder (1) is provided with a first ladder blade (7), the front face of the second ladder knife holder (2) is provided with a second ladder blade (8), the front face of the third ladder knife holder (3) is provided with a third ladder blade (9), and the front face of the fourth ladder knife holder (4) is provided with a fourth ladder blade (10); a thrust surface hole (15) is formed in one end, close to the cutter body (5), of the thrust surface (16) of the cylinder body; the inner side of the thrust surface (16) of the cylinder block, which is close to the cutter body (5), is provided with a thrust surface first side surface (14), the inner side of the thrust surface first side surface (14) is provided with a first side surface chamfer (13), one side of the thrust surface first side surface (14), which is far away from the cutter body (5), is provided with a thrust surface second side surface (11), and the inner side of the thrust surface second side surface (11) is provided with a second side surface chamfer (12);
The method is characterized in that: the processing method of the cutter for processing the thrust surface of the diesel engine cylinder block comprises the following specific steps:
Step 1, one end of a cutter body (5) is connected with a main shaft of a machine tool, the main shaft of the machine tool is oriented, a thrust surface hole (15) on a thrust surface (16) of a cylinder body is passed through, the center of the cutter body (5) is deviated to the direction of a cutter body avoidance part (6) by a certain distance, and when the cutter body (5) passes through the thrust surface hole (15), the cutter body (5) and a first step blade (7), a second step blade (8), a third step blade (9) and a fourth step blade (10) on the cutter body (5) can avoid the thrust surface hole (15);
Step 2, axial feeding is conducted through a thrust surface hole (15), a fourth stepped tool apron (4) enters a first thrust surface side (14), after a sufficient safety distance exists, the tool body (5) returns, the fourth stepped tool apron (4) axially feeds to process the first thrust surface side (14), and after the axial feeding is completed, the third stepped tool apron (3) processes a second thrust surface side (11) in the tool withdrawal process of the tool body (5);
Step 3, orienting a main shaft of a machine tool, shifting the center of a cutter body (5) by a distance towards the direction of a cutter body avoidance part (6), then retracting the cutter to enable a second stepped cutter holder (2) to enter a first side face (14) of a thrust surface, returning the cutter body (5), axially feeding the cutter to process a first side face chamfer (13), and processing a second side face chamfer (12) of the thrust surface by the first stepped cutter holder (1) in the cutter retracting process of the cutter body (5) after the completion;
Step 4, the main shaft of the machine tool is oriented, the center of the cutter body (5) deviates a distance towards the cutter body avoidance position (6), the cutter body (5) is withdrawn from the thrust surface hole (15), after the lower sections of the cutting edges of the third step blade (9) and the fourth step blade (10) on the third step blade holder (3) and the fourth step blade holder (4) are worn, the cutter body is detached and respectively assembled on the first step blade holder (1) and the second step blade holder (2), and the unused upper sections of the blades can be used for machining the second side chamfer (12) and the first side chamfer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191042.XA CN112453450B (en) | 2020-10-30 | Cutter for processing thrust surface of diesel engine cylinder block and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191042.XA CN112453450B (en) | 2020-10-30 | Cutter for processing thrust surface of diesel engine cylinder block and processing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112453450A CN112453450A (en) | 2021-03-09 |
| CN112453450B true CN112453450B (en) | 2024-07-02 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213916164U (en) * | 2020-10-30 | 2021-08-10 | 广西玉柴机器股份有限公司 | Cutter for machining thrust surface of cylinder body of diesel engine |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213916164U (en) * | 2020-10-30 | 2021-08-10 | 广西玉柴机器股份有限公司 | Cutter for machining thrust surface of cylinder body of diesel engine |
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