CN110722226A - Tool for machining threads of engine cylinder block hole system - Google Patents
Tool for machining threads of engine cylinder block hole system Download PDFInfo
- Publication number
- CN110722226A CN110722226A CN201911071283.8A CN201911071283A CN110722226A CN 110722226 A CN110722226 A CN 110722226A CN 201911071283 A CN201911071283 A CN 201911071283A CN 110722226 A CN110722226 A CN 110722226A
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- CN
- China
- Prior art keywords
- tool
- tapping
- explorator
- middle connecting
- cylinder block
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- 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.)
- Pending
Links
- 238000003754 machining Methods 0.000 title claims description 15
- 238000010079 rubber tapping Methods 0.000 claims abstract description 51
- 241001631030 Explorator Species 0.000 claims abstract description 26
- 238000005096 rolling process Methods 0.000 claims abstract description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
- B23G1/20—Machines with a plurality of working spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a tool for processing threads of a hole system of an engine cylinder block, which comprises a main shaft box body and a tool box body, wherein 2 or more than 2 middle connecting rod mounting holes and tapping explorator mounting holes are formed in the tool box body; the middle connecting rod mounting holes are internally distributed with middle connecting rods through front rolling bearings and rear rolling bearings; a tapping explorator copper sleeve is distributed in the tapping explorator mounting hole, and a tapping explorator transmission rod is distributed in the tapping explorator copper sleeve; the middle connecting rod and the tapping explorator driving rod are respectively connected with an output shaft of the main shaft box body. The invention can realize multi-hole tapping at the same time, and has no influence on each other, good use effect and high production efficiency.
Description
Technical Field
The invention relates to the technical field of engine cylinder body hole thread machining, in particular to a tool for machining engine cylinder body hole series threads.
Background
The traditional tapping processing method for adding screw holes to the cylinder block comprises the following steps: 1. the special machine equipment is additionally provided with a processing station and a spindle box to realize the tapping processing of a screw hole; 2. tapping by using a machining center to gradually perform single hole system; both modes can be realized by increasing production fields, production equipment and operators. Although a device capable of simultaneously tapping a plurality of threaded holes is also currently available, the effect is not ideal in practical use, because once one of the tapping holes fails, it cannot be guaranteed that other tapping holes are not interfered, so that only a machine can be stopped or other tapping holes are completely affected, and then an engine is scrapped, therefore, the current engine tapping mainly adopts a single-hole system tapping scheme, and the production efficiency is very low.
The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
Aiming at the technical problems, the invention provides the tool for processing the threads of the hole system of the engine cylinder block, which can realize multi-hole tapping on the engine simultaneously, is not influenced by each other, and has good use effect and high production efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the tool for machining the hole series threads of the engine cylinder block comprises a main shaft box body and a tool box body, wherein 2 or more than 2 middle connecting rod mounting holes and tapping explorator mounting holes are formed in the tool box body; the middle connecting rod mounting holes are internally distributed with middle connecting rods through front rolling bearings and rear rolling bearings; a tapping explorator copper sleeve is distributed in the tapping explorator mounting hole, and a tapping explorator transmission rod is distributed in the tapping explorator copper sleeve; the middle connecting rod and the tapping explorator driving rod are respectively connected with an output shaft of the main shaft box body.
Furthermore, an avoiding sleeve is further arranged behind the rear rolling bearing, and the rear end of the avoiding sleeve and the middle connecting rod are locked through a locking nut of the middle connecting rod.
Furthermore, the axial section of the middle connecting rod mounting hole is in an approximate H shape.
Furthermore, the mounting holes of the middle connecting rods of 2 or more are distributed in a staggered manner from front to back so as to reduce the interference influence between the middle connecting rods, reduce the mutual influence coefficient and improve the overall tapping stability.
Furthermore, the intermediate connecting rod comprises a front section rotating rod and a rear section rotating rod, the axial section of the rear section rotating rod is approximately T-shaped and matched with the intermediate connecting rod mounting hole.
Furthermore, the front section rotating rod and the rear section rotating rod are connected through a friction disc locking assembly; the friction disc locking assembly comprises a connecting flange, a first friction disc, a second friction disc, a rolling bearing, a connecting fixing ring and a tightening bolt; the connecting flange is combined at the rear end of the front section rotating rod, and the first friction disc is combined in the middle of the connecting flange; the second friction disc is combined in the middle of the front end of the rear section rotating rod; the rolling bearings are distributed behind the second friction disc, and the inner ring of each rolling bearing is combined on the rear section rotating rod; the connecting and fixing ring is sleeved and fixed on the outer ring of the rolling bearing; the connecting flange is connected with the connecting and fixing ring in a tensioning mode through the tightening bolt.
Furthermore, the front end of the tapping explorator mounting hole is combined with a dustproof cover plate.
Further, two tool guide holes are formed in the tool box body; and guide rods are distributed in the tool guide holes, and one ends of the guide rods are combined on the spindle box body.
Further, the friction disc locking assembly further comprises a tightening gauge assembly; the tightening measuring component comprises a measuring outer cylinder, a telescopic inner cylinder and an extrusion spring; an inner cylinder movable groove is arranged in the measuring outer cylinder, and a fastening bolt jack is further formed in the middle shaft of the measuring outer cylinder; the extrusion springs are distributed in the inner cylinder movable groove; the middle shaft of the telescopic inner cylinder is also correspondingly provided with an tightening bolt jack which is correspondingly inserted into the inner cylinder movable groove and can freely stretch out and draw back.
Compared with the prior art, the invention has the beneficial effects that: the invention can realize that:
(1) stable tapping operation of a plurality of screw holes;
(2) when a certain tapping hole is blocked, the resistance can be increased rapidly, and the front section rotating rod and the rear section rotating rod of the middle connecting rod are driven to rotate relative to each other through the friction disc locking assembly, so that other tapping holes are not affected;
(3) the middle connecting rods are arranged in the two or more mounting holes, and the arranged I-shaped holes are staggered back and forth, so that the interference influence generated among the middle connecting rods can be effectively reduced, the mutual influence coefficient among the middle connecting rods is reduced, and the overall tapping stability is improved;
(4) be equipped with and tighten measuring subassembly and can carry out accuracy to the degree of tightening of anterior segment bull stick and back end bull stick at any time and control or adjust, prevent too tight or too loose, be unfavorable for tapping operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a friction disc locking assembly of embodiment 1 of the present invention;
FIG. 3 is a front view of the tooling housing of the present invention;
FIG. 4 is a cut-away view A-A of FIG. 3 of the present invention;
FIG. 5 is a cut away view B-B of FIG. 3 of the present invention;
FIG. 6 is a schematic structural view of a friction disc locking assembly of embodiment 2 of the present invention;
fig. 7 is a schematic structural view of a tightening measuring unit according to embodiment 2 of the present invention;
fig. 8 is an external structural view of a tightening measuring unit according to embodiment 2 of the present invention.
Detailed Description
Detailed description of the preferred embodiment 1
As shown in fig. 1 to 5, a tool for machining threads of a hole of an engine cylinder block comprises a main shaft box body 15 and a tool box body 6, wherein the tool box body 6 of the embodiment is provided with 3 middle connecting rod mounting holes and one tapping explorator mounting hole 1; the axial section of middle connecting rod mounting hole is nearly "worker" font, and this embodiment the middle connecting rod mounting hole includes preceding middle connecting rod mounting hole 4 and back middle connecting rod mounting hole 5, "worker" font hole that both seted up staggers the distribution around each other to reduce the interference influence that middle connecting rod produced each other, reduce the coefficient of influence each other, improve whole tooth stability of attacking.
The middle connecting rod mounting holes are internally distributed with middle connecting rods through the front rolling bearings 12 and the rear rolling bearings; the middle connecting rod comprises a front section rotating rod 17 and a rear section rotating rod 14, the axial section of the rear section rotating rod 14 is nearly T-shaped and matched with the middle connecting rod mounting hole, an avoiding sleeve 11 is combined and arranged behind the rear rolling bearing, the rear end of the avoiding sleeve 11 and the rear section rotating rod 14 are locked through a middle connecting rod locking nut 10, and by adopting the structure, the stability of the middle connecting rod in the operation process and the back-and-forth movement process of the tool box body 6 is obviously improved, and the influence of resonance is reduced. Tapping profiling copper sheathing 9 has distributed in the tapping profiling mounting hole 1, tapping profiling copper sheathing 9 is fixed through the tapping profiling mounting screw 7 on the tapping profiling mounting screw 2 of frock box 6. A tapping explorator transmission rod 8 is distributed in the tapping explorator copper sleeve 9; the middle connecting rod and the tapping explorator transmission rod 8 are respectively connected with and driven to rotate by corresponding output shafts of the main shaft box body 15, and the corresponding output shafts of the main shaft box body 15 drive the tapping explorator transmission rod 8 to rotate positively and negatively so as to promote the front and back translational motion of the tool box body 6 and the middle connecting rod; of course, in order to ensure the normal operation of the intermediate connecting rod, the rear rotating rod 14 of the present embodiment is connected with the corresponding output shaft of the main spindle box 15 by splines, so as to ensure that the relative forward and backward movement of the rear rotating rod and the corresponding output shaft maintains the rotation torque. Certainly, two tool guide holes 3 are also formed in the tool box body 6; guide rods are distributed in the tool guide holes 3, and one ends of the guide rods are combined on the spindle box body 15.
The front section rotating rod 17 and the rear section rotating rod 14 are connected through a friction disc locking assembly 16; the friction disc locking assembly 16 comprises a connecting flange 16-1, a first friction disc 16-4, a second friction disc 16-5, a rolling bearing 16-8, a connecting fixing ring 16-6 and a tightening bolt 16-2; the connecting flange 16-1 is combined at the rear end of the front section rotating rod 17, and the first friction disc 16-4 is combined at the middle part of the connecting flange 16-1 through bolts 16-3; the second friction disc 16-5 is combined at the middle part of the front end of the rear section rotating rod 14 through a bolt 16-7; the rolling bearing 16-8 is distributed behind the second friction disc 16-5, and the inner ring of the rolling bearing is combined on the rear section rotating rod 14; the connecting and fixing ring 16-6 is fixedly sleeved on an outer ring of the rolling bearing 16-8; the connecting flange 16-1 is connected with the connecting fixing ring 16-6 in a tensioning mode through the tightening bolts 16-2. And a dustproof cover plate 13 is also combined at the front end of the tapping explorator mounting hole 1. By adopting the structure, the multi-hole synchronous tapping has stable operation, obviously reduces the influence among tapping holes and has good use effect.
Specific example 2
Compared with embodiment 1, the embodiment mainly adds a tightening measurement component 16-9 to the friction disc locking component; the tightening measuring component comprises a measuring outer cylinder 16-9-1, a telescopic inner cylinder 16-9-2 and an extrusion spring 16-9-5; an inner cylinder movable groove 16-9-3 is arranged in the measuring outer cylinder 16-9-1, and a tightening bolt jack 16-9-4 is also formed in the middle shaft of the measuring outer cylinder 16-9-1; the extrusion spring 16-9-5 is distributed in the inner cylinder movable groove 16-9-3; the middle shaft of the telescopic inner cylinder 16-9-2 is also correspondingly provided with a tightening bolt jack 16-9-6 which is correspondingly inserted into the inner cylinder movable groove 16-9-3 and can freely stretch, and the telescopic inner cylinder 16-9-2 is also provided with a compaction scale 16-9-7. When the tightening bolt is used, the tightening bolt 16-2 firstly passes through the tightening bolt jack 16-9-4 of the tightening gauge component 16-9 and then is inserted into the connecting flange 16-1 for bolt tightening, when the tightening bolt is tightened, the tightening degree of the tightening bolts 16-2 is accurately controlled by checking the value of the compression scale 16-9-7 reached by the expansion amount of the telescopic inner cylinder 16-9-2, even if the tightening bolt is used for a long time, the tightening degree of the required tightening bolt 16-2 can still be intuitively controlled by the abrasion of the two friction discs, and the tightening degree requirement between the front section rotating rod 17 and the rear section rotating rod 14 required by tapping is met.
Claims (9)
1. The utility model provides a frock of engine cylinder block hole system thread machining, includes the main shaft box, its characterized in that: the tool box body is provided with 2 or more mounting holes for the intermediate connecting rods and mounting holes for the tapping explorator; the middle connecting rod mounting holes are internally distributed with middle connecting rods through front rolling bearings and rear rolling bearings; a tapping explorator copper sleeve is distributed in the tapping explorator mounting hole, and a tapping explorator transmission rod is distributed in the tapping explorator copper sleeve; the middle connecting rod and the tapping explorator driving rod are respectively connected with an output shaft of the main shaft box body.
2. The tool for machining the threads of the engine cylinder block hole system according to claim 1, is characterized in that: an avoiding sleeve is further arranged behind the rear rolling bearing, and the rear end of the avoiding sleeve and the middle connecting rod are locked through a locking nut of the middle connecting rod.
3. The tool for machining the threads of the engine cylinder block hole system according to claim 1, is characterized in that: the axial section of the middle connecting rod mounting hole is in an approximate I shape.
4. The tool for machining the threads of the engine cylinder block hole system according to claim 3, wherein the tool comprises: the mounting holes of the middle connecting rods are 2 or more, and the I-shaped holes are distributed in a staggered manner from front to back.
5. The tool for machining the threads of the engine cylinder block hole system according to claim 3, wherein the tool comprises: the middle connecting rod comprises a front section rotating rod and a rear section rotating rod, the axial section of the rear section rotating rod is nearly T-shaped and matched with the middle connecting rod mounting hole.
6. The tool for machining the threads of the engine cylinder block hole system according to claim 5, wherein the tool comprises: the front section rotating rod and the rear section rotating rod are connected through a friction disc locking assembly; the friction disc locking assembly comprises a connecting flange, a first friction disc, a second friction disc, a rolling bearing, a connecting fixing ring and a tightening bolt; the connecting flange is combined at the rear end of the front section rotating rod, and the first friction disc is combined in the middle of the connecting flange; the second friction disc is combined in the middle of the front end of the rear section rotating rod; the rolling bearings are distributed behind the second friction disc, and the inner ring of each rolling bearing is combined on the rear section rotating rod; the connecting and fixing ring is sleeved and fixed on the outer ring of the rolling bearing; the connecting flange is connected with the connecting and fixing ring in a tensioning mode through the tightening bolt.
7. The tool for machining the threads of the engine cylinder block hole system according to claim 1, is characterized in that: and the front end of the tapping explorator mounting hole is also combined with a dustproof cover plate.
8. The tool for machining the threads of the engine cylinder block hole system according to claim 1, is characterized in that: the tool box body is also provided with two tool guide holes; and guide rods are distributed in the tool guide holes, and one ends of the guide rods are combined on the spindle box body.
9. The tool for machining the threads of the engine cylinder block hole system according to claim 1, is characterized in that: the friction disc locking assembly further comprises a pull-up gauge assembly; the tightening measuring component comprises a measuring outer cylinder, a telescopic inner cylinder and an extrusion spring; an inner cylinder movable groove is arranged in the measuring outer cylinder, and a fastening bolt jack is further formed in the middle shaft of the measuring outer cylinder; the extrusion springs are distributed in the inner cylinder movable groove; the middle shaft of the telescopic inner cylinder is also correspondingly provided with an tightening bolt jack which is correspondingly inserted into the inner cylinder movable groove and can freely stretch out and draw back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911071283.8A CN110722226A (en) | 2019-11-05 | 2019-11-05 | Tool for machining threads of engine cylinder block hole system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911071283.8A CN110722226A (en) | 2019-11-05 | 2019-11-05 | Tool for machining threads of engine cylinder block hole system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110722226A true CN110722226A (en) | 2020-01-24 |
Family
ID=69223784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911071283.8A Pending CN110722226A (en) | 2019-11-05 | 2019-11-05 | Tool for machining threads of engine cylinder block hole system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110722226A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200310969Y1 (en) * | 2003-01-09 | 2003-04-21 | 조을훈 | An automatic for tapping machine |
| CN2792676Y (en) * | 2005-06-14 | 2006-07-05 | 远瞻动力科技有限公司 | Threading device with different diameters synchronously |
| CN103122948A (en) * | 2011-11-20 | 2013-05-29 | 江苏仁安高新技术有限公司 | Torsion overload safety protection device |
| CN203778903U (en) * | 2014-03-28 | 2014-08-20 | 台州市兴乐水暖器材有限公司 | Double-shaft power head |
| CN209272501U (en) * | 2019-01-14 | 2019-08-20 | 马金龙 | A kind of adjustable knurling tool of pretightning force |
| CN211804233U (en) * | 2019-11-05 | 2020-10-30 | 广西玉柴机器股份有限公司 | Tool for machining threads of engine cylinder block hole system |
-
2019
- 2019-11-05 CN CN201911071283.8A patent/CN110722226A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200310969Y1 (en) * | 2003-01-09 | 2003-04-21 | 조을훈 | An automatic for tapping machine |
| CN2792676Y (en) * | 2005-06-14 | 2006-07-05 | 远瞻动力科技有限公司 | Threading device with different diameters synchronously |
| CN103122948A (en) * | 2011-11-20 | 2013-05-29 | 江苏仁安高新技术有限公司 | Torsion overload safety protection device |
| CN203778903U (en) * | 2014-03-28 | 2014-08-20 | 台州市兴乐水暖器材有限公司 | Double-shaft power head |
| CN209272501U (en) * | 2019-01-14 | 2019-08-20 | 马金龙 | A kind of adjustable knurling tool of pretightning force |
| CN211804233U (en) * | 2019-11-05 | 2020-10-30 | 广西玉柴机器股份有限公司 | Tool for machining threads of engine cylinder block hole system |
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