CN211276522U - Multi-cutter turning device for main bearing cover of single cylinder machine - Google Patents
Multi-cutter turning device for main bearing cover of single cylinder machine Download PDFInfo
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- CN211276522U CN211276522U CN201921854586.2U CN201921854586U CN211276522U CN 211276522 U CN211276522 U CN 211276522U CN 201921854586 U CN201921854586 U CN 201921854586U CN 211276522 U CN211276522 U CN 211276522U
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Abstract
The utility model discloses a multi-cutter turning device for a main bearing cap of a single cylinder machine, which comprises a tool rest, wherein an inner main tool apron capable of extending into a bearing hole of the main bearing cap is fixedly arranged on the tool rest, a bearing surface turning tool is fixedly arranged on the inner main tool apron, an inner auxiliary tool apron capable of extending into a crankshaft hole of the main bearing cap is fixedly arranged on the inner main tool apron, and a crankshaft surface turning tool is fixedly arranged on the inner auxiliary tool apron; an outer main tool apron which is opposite to the inner main tool apron is fixedly arranged on the tool rest, and a sealing groove turning tool is fixedly arranged on the outer main tool apron; an outer auxiliary tool apron is fixedly arranged on the outer main tool apron, and a mounting surface lathe tool is arranged on the outer auxiliary tool apron. The utility model discloses it is same set up a plurality of lathe tools on the knife rest, conveniently carry out two faces turning work more multiaspect even simultaneously at a certain in-process that feeds, can obviously improve main bearing cap turning efficiency.
Description
Technical Field
The utility model relates to a bearing cap processing technology field especially relates to a single cylinder owner bearing cap multitool turning device.
Background
The single cylinder diesel engine is the main matching power of agricultural machinery, and the parts of the single cylinder diesel engine have large market demand every year, wherein the main bearing cover is one of the parts with large demand. The processing technological process of the main bearing cap is generally as follows: roughly turning one end face, roughly turning the other end face, finely turning one end face, finely turning the other end face and drilling, wherein the turning working hour accounts for about 70 percent of the whole working hour. Turning an end face typically involves machining a plurality of circumferential, planar and chamfered faces, as shown in fig. X, and an end face of the main bearing cap includes a cap mounting mating face, a mounting face chamfer, a mounting face seal groove, a bearing mating face, a bearing stop face, a crankshaft mating face, a cap inner end face, an inner end face inner chamfer, an inner end face outer chamfer, and the like. According to the existing lathe processing, the process can be completed only by changing the tool for many times, positioning for many times and feeding the tool respectively, the turning efficiency is extremely low and the error is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a single cylinder owner bearing cap multitool turning device that can obviously improve main bearing cap turning efficiency is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the single-cylinder main bearing cap multi-tool turning device comprises a tool rest, wherein an inner main tool apron capable of extending into a bearing hole of a main bearing cap is fixedly arranged on the tool rest, a bearing surface turning tool is fixedly arranged on the inner main tool apron, an inner auxiliary tool apron capable of extending into a crankshaft hole of the main bearing cap is fixedly arranged on the inner main tool apron, and a crankshaft surface turning tool is fixedly arranged on the inner auxiliary tool apron; an outer main tool apron which is opposite to the inner main tool apron is fixedly arranged on the tool rest, and a sealing groove turning tool is fixedly arranged on the outer main tool apron; an outer auxiliary tool apron is fixedly arranged on the outer main tool apron, and a mounting surface lathe tool is arranged on the outer auxiliary tool apron.
As a preferable technical scheme, a distance between a cutting edge of the crankshaft surface turning tool and a cutting edge of the bearing surface turning tool is equal to a radius difference between the crankshaft hole and the bearing hole.
According to the preferable technical scheme, the bearing surface turning tool is provided with a bearing hole main blade and a bearing hole auxiliary blade, the bearing hole main blade corresponds to the bearing matching surface of the main bearing cover, and the bearing hole auxiliary blade corresponds to the bearing limiting surface of the main bearing cover.
According to the preferable technical scheme, an inner end face turning tool is fixedly mounted on one side, away from the main bearing cover, of the bearing face turning tool on the inner main tool apron, and the distance between the blade of the inner end face turning tool and the main blade of the bearing hole is equal to the depth of the bearing hole.
Preferably, the outer auxiliary tool apron is fixedly provided with an installation surface chamfering tool on one side of the installation surface turning tool away from the main bearing cover.
According to the preferable technical scheme, an outer chamfering cutter is fixedly mounted on one side, away from the main bearing cover, of the outer main cutter seat, of the sealing groove turning tool.
As the preferred technical scheme, an inner chamfering cutter is fixedly arranged on the inner main cutter holder.
By adopting the technical scheme, the multi-cutter turning device for the main bearing cover of the single cylinder machine comprises a cutter frame, wherein an inner main cutter holder capable of extending into a bearing hole of the main bearing cover is fixedly arranged on the cutter frame, a bearing surface turning tool is fixedly arranged on the inner main cutter holder, an inner auxiliary cutter holder capable of extending into a crankshaft hole of the main bearing cover is fixedly arranged on the inner main cutter holder, and a crankshaft surface turning tool is fixedly arranged on the inner auxiliary cutter holder; an outer main tool apron which is opposite to the inner main tool apron is fixedly arranged on the tool rest, and a sealing groove turning tool is fixedly arranged on the outer main tool apron; an outer auxiliary tool apron is fixedly arranged on the outer main tool apron, and a mounting surface lathe tool is arranged on the outer auxiliary tool apron. The utility model discloses it is same set up a plurality of lathe tools on the knife rest, conveniently carry out two faces turning work more multiaspect even simultaneously at a certain in-process that feeds, can obviously improve main bearing cap turning efficiency.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the state of the mounting fitting surface, the mounting surface chamfer and the inner end surface inner chamfer of the embodiment of the present invention;
FIG. 3 is a schematic diagram of the state of the embodiment of the present invention in processing the crankshaft fitting surface, the bearing fitting surface and the inner end surface of the cover;
FIG. 4 is a left side view of FIG. 3;
fig. 5 is a schematic diagram of the state of the bearing limiting surface, the mounting surface sealing groove and the inner end surface outer chamfer machined by the embodiment of the invention;
FIG. 6 is a schematic illustration of a prior art main bearing cap.
In the figure: 1-a tool rest; 2-inner main tool apron; 21-turning a bearing surface tool; 22-turning tool of inner end surface; 23-inner chamfering tool; 3-inner auxiliary tool apron; 31-crankshaft surface lathe tool; 4-outer main tool apron; 41-sealing groove turning tool; 42-external chamfering tool; 5-outer auxiliary tool apron; 51-mounting surface turning tool; 52-mounting surface chamfering tool; 6-main bearing cap; 61-cover mounting mating surface; 62-mounting face seal groove; 63-chamfering the mounting surface; 64-crankshaft mating surface; 65-bearing mating surface; 66-bearing limit surface; 67-cover inner end face; 68-inner end surface chamfering; 69-inner end outer chamfer.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, exemplary embodiments of the invention are described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 to 6, the single-cylinder main bearing cap multi-tool turning device comprises a tool holder 1, wherein an inner main tool holder 2 which can extend into a bearing hole of a main bearing cap 6 is fixedly arranged on the tool holder 1, and the fixing arrangement is preferably fixed by bolts. And a bearing surface turning tool 21 is fixedly arranged on the inner main tool apron 2, and the bearing surface turning tool 21 is used for turning a bearing matching surface 65.
The inner main tool apron 2 is fixedly provided with an inner auxiliary tool apron 3 which can extend into a crankshaft hole of the main bearing cover 6, and the inner auxiliary tool apron can be fixed by bolts or integrally arranged with the inner main tool apron 2. And a crankshaft surface turning tool 31 is fixedly arranged on the inner auxiliary tool apron 3, and the crankshaft surface turning tool 31 is used for turning a crankshaft matching surface 64.
In this embodiment, the distance between the cutting edge of the crankshaft turning tool 31 and the cutting edge of the bearing turning tool 21 is equal to the radius difference between the crankshaft hole and the bearing hole, so that when the tool rest 1 is driven to feed, the crankshaft turning tool 31 and the bearing turning tool 21 can respectively turn the crankshaft matching surface 64 and the bearing matching surface 65.
This embodiment be equipped with dead eye main blade and dead eye vice blade on the bearing surface lathe tool 21, dead eye main blade with the bearing fitting surface 65 of main bearing cap 6 is corresponding, dead eye vice blade is corresponding with the spacing face 66 of bearing of main bearing cap 6, and what this cutting edge set up to can obtain according to the description for technical personnel in the field, no longer gives details here.
An inner end face turning tool 22 is fixedly mounted on the inner main tool apron 2 on one side, away from the main bearing cover 6, of the bearing face turning tool 21, and the distance between the blade of the inner end face turning tool 22 and the main blade of the bearing hole is equal to the depth of the bearing hole. Thus, when the bearing hole main blade finishes turning the bearing matching surface 65, the inner end surface turning tool 22 just turns the inner end surface 67 of the main bearing cap 6, and the bearing hole auxiliary blade is just positioned at the bearing limiting surface 66 of the main bearing cap 6, so that the direction can be conveniently changed and the direct feeding processing can be conveniently carried out.
An outer main tool holder 4 arranged opposite to the inner main tool holder 2 is fixedly arranged on the tool holder 1, and the fixed arrangement is preferably fixed by bolts. This relative arrangement is understood to mean that the inner main cutter seat 2 corresponds to the crankshaft bore, while the outer main cutter seat 4 corresponds to the cover mounting counter surface 61 outside the crankshaft bore. A sealing groove turning tool 41 is fixedly arranged on the outer main tool holder 4, the sealing groove turning tool 41 is used for turning the mounting surface sealing groove 62 on the cover mounting matching surface 61, and when the sealing groove turning tool 41 is used for turning the mounting surface sealing groove 62, the inner main tool holder 2 does not interfere with the bearing hole.
The outer main tool apron 4 is fixedly provided with an outer auxiliary tool apron 5, and the outer auxiliary tool apron can be fixed by bolts or integrally arranged with the outer main tool apron 4. And the outer auxiliary tool apron 5 is provided with a mounting surface turning tool 51, the mounting surface turning tool 51 is used for turning the cover mounting matching surface 61, and when the mounting surface turning tool 51 turns the cover mounting matching surface 61, the inner auxiliary tool apron 3 does not interfere with the bearing hole.
And a mounting surface chamfer cutter 52 is fixedly mounted on the outer auxiliary tool apron 5 on the side, away from the main bearing cover 6, of the mounting surface turning tool 51, and the mounting surface chamfer cutter 52 is arranged to just turn a mounting surface chamfer 63 at the turning end of the mounting surface turning tool 51.
The outer main tool apron 4 is located on the side, away from the main bearing cover 6, of the sealing groove turning tool 41, an outer chamfering tool 42 is fixedly installed on the side, away from the main bearing cover 6, and the inner end outer chamfer 69 is just turned at the turning end of the sealing groove turning tool 41 due to the arrangement of the outer chamfering tool 42.
An inner chamfering tool 23 is fixedly arranged on the inner main tool apron 2, and the inner chamfering tool 23 is arranged to precisely turn an inner end inner surface inner chamfer 68 at the turning end of the mounting surface turning tool 51.
In the present embodiment, when the main bearing cap 6 is clamped and driven to rotate, the tool holder 1 is first driven to a first initial feeding position, the main bearing cap 6 is fed from the first initial feeding position, the mounting surface chamfering tool 51 first performs turning of the cap mounting mating surface 61, the inner sub-seat 3 extends into the bearing hole, and the mounting surface chamfering tool 52 and the inner chamfering tool 23 respectively perform turning of the mounting surface chamfer 63 and the inner end surface chamfer 68 at the end of the continuous feeding process. The tool holder 1 is driven radially back along the main bearing cap 6 until it stops when the crankshaft facing tool 31 can machine the crankshaft facing surface 64, which is the second feed start position, and the mounting surface tool 51 is now away from the flange on the main bearing cap 6. The drive the knife rest 1 feeds, but bent axle face lathe tool 31 turning bent axle fitting surface 64, because of bearing face lathe tool 21 with the setting of bent axle face lathe tool 31 relative position, bent axle face lathe tool 31 can process simultaneously bent axle fitting surface 64. At the end of the continuous feed process, the inner end face lathe tool 22 performs a turning process on the cap inner end face 67. At this time, the minor edge of the bearing hole of the bearing surface turning tool 21 is just turned to the outer edge of the bearing limiting surface 66, which is the third initial position in this embodiment. The tool rest 1 is driven to feed towards the center of the main bearing cover 6 along the radial direction, the bearing hole secondary edge can finish turning the bearing limiting surface 66, meanwhile, the sealing groove turning tool 41 gradually approaches the cover mounting matching surface 61, the mounting surface sealing groove 62 is gradually turned, and at the end of turning of the sealing groove turning tool 41, the mounting surface chamfer 63 is turned by the mounting surface chamfer tool 52. After all turning work of one end face of the main bearing cap 6 is finished, retracting the tool holder 1 away from the main bearing cap 6 along the radial direction until the sealing groove turning tool 41 retracts from the mounting surface sealing groove 62 for a certain distance, and restoring the tool holder 1 to the initial position.
Therefore, five surfaces, three chamfers and one groove of the main bearing cover 6 can be machined completely by feeding machining three times, and the turning machining efficiency is obviously improved.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Single cylinder owner bearing cap multitool turning device, including the knife rest, its characterized in that: an inner main cutter holder capable of extending into a bearing hole of the main bearing cover is fixedly arranged on the cutter frame, a bearing surface turning tool is fixedly arranged on the inner main cutter holder, an inner auxiliary cutter holder capable of extending into a crankshaft hole of the main bearing cover is fixedly arranged on the inner main cutter holder, and a crankshaft surface turning tool is fixedly arranged on the inner auxiliary cutter holder; an outer main tool apron which is opposite to the inner main tool apron is fixedly arranged on the tool rest, and a sealing groove turning tool is fixedly arranged on the outer main tool apron; an outer auxiliary tool apron is fixedly arranged on the outer main tool apron, and a mounting surface lathe tool is arranged on the outer auxiliary tool apron.
2. The single cylinder main bearing cap multi-tool turning device of claim 1, wherein: the distance between the cutting edge of the crankshaft surface turning tool and the cutting edge of the bearing surface turning tool is equal to the radius difference between the crankshaft hole and the bearing hole.
3. The single cylinder main bearing cap multi-tool turning device of claim 1, wherein: the bearing surface turning tool is provided with a bearing hole main blade and a bearing hole auxiliary blade, the bearing hole main blade corresponds to the bearing matching surface of the main bearing cover, and the bearing hole auxiliary blade corresponds to the bearing limiting surface of the main bearing cover.
4. The single cylinder main bearing cap multi-tool turning device of claim 3, wherein: an inner end face lathe tool is fixedly installed on one side, away from the main bearing cover, of the inner main tool apron, and the distance between the blade of the inner end face lathe tool and the main blade of the bearing hole is equal to the depth of the bearing hole.
5. The single cylinder main bearing cap multi-tool turning device of claim 1, wherein: and the mounting surface chamfering tool is fixedly mounted on one side, away from the main bearing cover, of the mounting surface turning tool on the outer auxiliary tool apron.
6. The single cylinder main bearing cap multi-tool turning device of claim 1, wherein: an outer chamfering cutter is fixedly mounted on one side, away from the main bearing cover, of the outer main cutter holder, of the sealing groove turning tool.
7. The single cylinder main bearing cap multi-tool turning device of claim 1, wherein: an inner chamfering cutter is fixedly arranged on the inner main cutter seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921854586.2U CN211276522U (en) | 2019-10-30 | 2019-10-30 | Multi-cutter turning device for main bearing cover of single cylinder machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921854586.2U CN211276522U (en) | 2019-10-30 | 2019-10-30 | Multi-cutter turning device for main bearing cover of single cylinder machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211276522U true CN211276522U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921854586.2U Active CN211276522U (en) | 2019-10-30 | 2019-10-30 | Multi-cutter turning device for main bearing cover of single cylinder machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211276522U (en) |
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2019
- 2019-10-30 CN CN201921854586.2U patent/CN211276522U/en active Active
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