CN216966299U - Precision machining cutter bar for caterpillar link hole A - Google Patents
Precision machining cutter bar for caterpillar link hole A Download PDFInfo
- Publication number
- CN216966299U CN216966299U CN202220393132.5U CN202220393132U CN216966299U CN 216966299 U CN216966299 U CN 216966299U CN 202220393132 U CN202220393132 U CN 202220393132U CN 216966299 U CN216966299 U CN 216966299U
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- Prior art keywords
- cutting edge
- groove
- rod
- hole
- fixed block
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- Expired - Fee Related
Links
- 238000003754 machining Methods 0.000 title claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 74
- 210000002421 cell wall Anatomy 0.000 claims abstract description 6
- 238000005498 polishing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a precision machining cutter bar for a caterpillar link hole A, relates to the field of caterpillar link machining, and achieves the purpose of machining the hole A on a caterpillar link blank, and the technical scheme is as follows: including the body of rod and set up at the annular point shape arch of body of rod one end, bellied longitudinal section is triangle-shaped, a plurality of chip grooves have been seted up to body of rod one end, the chip groove extends protruding to body of rod terminal surface, just be equipped with on the cell wall of chip groove and extend protruding and one corner and protruding closed angle just right first cutting edge, be equipped with the second cutting edge on the cutter arbor body of rod, the second cutting edge is greater than the size at first cutting edge apart from the cutter arbor center apart from the size at cutter arbor center.
Description
Technical Field
The utility model relates to the field of processing of caterpillar links, in particular to a precision processing cutter bar for a caterpillar link hole A.
Background
The caterpillar track is a flexible chain ring which is driven by a driving wheel and surrounds the driving wheel, a loading wheel, an inducer and a supporting belt wheel, the caterpillar track comprises caterpillar track plates, caterpillar track pins and the like, the caterpillar track plates are connected by the caterpillar track pins to form the caterpillar track chain ring, and the caterpillar track sections present a bridge role of connecting an intermediary and connect the whole transmission caterpillar track system, so that the caterpillar track wheels normally run.
In the process of processing and manufacturing the track link, drilling or plane polishing needs to be carried out on the track link, for example, as shown in fig. 4, a hole a1, a hole B11 and a plane polishing C12 need to be processed, but the hole a is sometimes stepped, so that a cutter bar for processing the hole a on a track link blank is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a precision machining cutter bar for a track link hole A, which achieves the purpose of machining the hole A of a track link blank.
The technical purpose of the utility model is realized by the following technical scheme:
the utility model provides a precision finishing cutter arbor that caterpillar link hole A was used, includes the body of rod and sets up the annular point shape arch in body of rod one end, bellied longitudinal section is triangle-shaped, a plurality of chip grooves have been seted up to body of rod one end, the chip groove extends arch to body of rod terminal surface, just be equipped with on the cell wall of chip groove and extend protruding and one corner and the just right first cutting edge of protruding closed angle, be equipped with the second cutting edge on the cutter arbor body of rod, the size that the second cutting edge is apart from the cutter arbor center is greater than the size of first cutting edge apart from the cutter arbor center.
Through adopting above-mentioned technical scheme, bellied setting reduces the body of rod and the contact of caterpillar link blank when rotating, and first cutting sword is convenient for cut caterpillar link blank, and the hole that forms the aperture A diameter when first cutting sword rotates the cutting along with the rotation of cutter arbor is less, and along with the cutter arbor gets into the caterpillar link blank, second cutting sword continues to cut caterpillar link blank terminal surface, until processing out the great hole of the aperture A diameter of certain degree of depth, is formed with the aperture A of step this moment.
Preferably: the groove wall of the chip groove is provided with a positioning groove for placing a first cutting edge, the first cutting edge is in threaded connection with a locking bolt, and the locking bolt penetrates through the first cutting edge and is in threaded connection with the groove bottom of the positioning groove.
Preferably: the positioning groove is provided with an arc groove on a groove corner opposite to the convex sharp corner, and the corner of the first cutting edge opposite to the convex sharp corner is positioned in the arc groove.
Preferably: the utility model discloses a fastening post, including the body of rod, the body of rod is equipped with the first cutting sword on the body of rod, set up the plane that supplies the second cutting sword to place on the body of rod outer wall, be equipped with the fixed block on the plane, set up the spacing groove that supplies the second cutting sword to place on the fixed block, threaded connection has fastening post on the second cutting sword, fastening post passes the tank bottom threaded connection of second cutting sword and spacing groove.
Preferably: the rod body is provided with a sliding groove on the plane, the sliding groove is used for enabling the fixing block to move along the axial direction of the cutter rod, and a limiting part for limiting the position of the fixing block is arranged in the sliding groove.
Preferably: the locating part includes the card post of threaded connection on the fixed block, the card post passes the fixed block and contradicts with the tank bottom of spout.
Preferably: the fixed block has the feeler lever that distributes along spout length direction in the one end threaded connection who keeps away from the second cutting edge, feeler lever one end extends the fixed block and contradicts with the cell wall of spout.
Preferably: and a plurality of driving holes are formed in the circumferential direction of the outer wall of the touch rod.
In conclusion, the utility model has the following beneficial effects: the contact of the body of rod and caterpillar link blank when rotating is reduced in bellied setting, and first cutting sword is convenient for cut caterpillar link blank, and the hole that forms the aperture A diameter when first cutting sword rotates the cutting along with the rotation of cutter arbor is less, and along with the cutter arbor gets into the caterpillar link blank, second cutting sword continues to cut caterpillar link blank terminal surface, until processing out the great hole of the aperture A diameter of certain degree of depth, is formed with the aperture A of step this moment.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of the portion B of FIG. 1;
FIG. 4 is a schematic diagram of a prior art structure for embodying holes A, B and polishing plane C.
In the figure: 1. a hole A; 11. a hole B; 12. polishing a plane C; 2. a rod body; 21. a protrusion; 22. a chip groove; 221. a first cutting edge; 23. a second cutting edge; 24. positioning a groove; 241. locking the bolt; 242. an arc groove; 243. a plane; 25. a fixed block; 251. a limiting groove; 252. fastening the column; 26. a chute; 261. clamping the column; 27. a touch bar; 271. a drive aperture.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a precision finishing cutter arbor that caterpillar link hole A was used, as shown in fig. 1 and fig. 2, including the body of rod 2 and set up the protruding 21 of annular point shape in body of rod 2 one end, body of rod 2 can be the cylinder, the longitudinal section of protruding 21 is triangle-shaped, and one corner extends to the one end of the body of rod 2, a plurality of chip grooves 22 have been seted up to body of rod 2 one end, chip grooves 22 distribute along body of rod 2 length direction, chip grooves 22 extends protruding 21 to body of rod 2 terminal surface, and be equipped with on chip grooves 22's the cell wall and extend protruding 21 and one corner and protruding 21 sharp corner just right first cutting edge 221, be convenient for cut caterpillar link blank, be equipped with second cutting edge 23 on the body of rod 2, the size of second cutting edge 23 apart from the cutter arbor center is greater than the size of first cutting edge 221 apart from the cutter arbor center.
As shown in fig. 1 and 2, the protrusion 21 reduces the contact between the rod body 2 and the track link blank during rotation, the first cutting edge 221 facilitates cutting of the track link blank, a hole with a smaller diameter of the hole a1 is formed during rotation cutting of the first cutting edge 221 along with rotation of the cutter bar, the second cutting edge 23 continues cutting of the end face of the track link blank along with the cutter bar entering the track link blank until a hole with a larger diameter of the hole a1 with a certain depth is machined, and a stepped hole a1 is formed at this time.
As shown in fig. 1 and 2, a positioning groove 24 for placing the first cutting edge 221 is formed on a groove wall of the chip groove 22, a locking bolt 241 is connected to the first cutting edge 221 through a thread, and the locking bolt 241 penetrates through the first cutting edge 221 and is connected to a groove bottom of the positioning groove 24 through a thread. At this time, the groove wall of the positioning groove 24 abuts against the side edge of the first cutting edge 221, the first cutting edge 221 is limited in the chip groove 22, and the locking bolt 241 fixes the first cutting edge 221 in the positioning groove 24, so that the first cutting edge 221 can be replaced conveniently.
As shown in fig. 1 and 2, the positioning groove 24 has an arc groove 242 at a groove corner opposite to the sharp corner of the protrusion 21, at this time, the arc groove 242 is formed on a groove wall of the adjacent positioning groove 24, when the first cutting edge 221 is installed, the processing cutting edge of the first cutting edge 221 extends out of the sharp corner of the protrusion 21, and the angle of the first cutting edge 221 opposite to the sharp corner of the protrusion 21 is located in the arc groove 242, which is convenient for the abutting between the side edge of the first cutting edge 221 and the groove wall of the positioning groove 24, and is convenient for the installation and fixation of the first cutting edge 221.
As shown in fig. 1 and 2, a plane 243 for placing the second cutting edge 23 is formed on the outer wall of the rod 2, a fixing block 25 is arranged on the plane 243, a limiting groove 251 for placing the second cutting edge 23 is formed on the fixing block 25, a fastening column 252 is connected to the second cutting edge 23 through a thread, and the fastening column 252 penetrates through the second cutting edge 23 and is connected to the groove bottom of the limiting groove 251 through a thread. The plane 243 facilitates the discharge of the waste chips and the detachable connection of the second cutting edge 23 to the rod body 2 through the fastening post 252, which facilitates the replacement.
As shown in fig. 1 and 3, the rod body 2 has a sliding groove 26 on the plane 243 for the fixing block 25 to move along the axis of the cutter arbor, and a position limiting element is disposed in the sliding groove 26 for limiting the position of the fixing block 25, so that when the fixing block 25 moves along the sliding groove 26, the position of the second cutting edge 23 on the rod body 2 can be changed conveniently, and further a hole a1 with different steps can be processed conveniently, and the position limiting element can limit the position of the fixing block 25 on the sliding groove 26 conveniently.
As shown in fig. 1 and 3, the limiting member includes a locking pin 261 screwed on the fixed block 25, and the locking pin 261 passes through the fixed block 25 and abuts against the bottom of the sliding groove 26. At this time, the clamping column 261 increases the friction force between the fixed block 25 and the bottom of the sliding groove 26, so that the movement of the fixed block 25 in the sliding groove 26 is limited.
As shown in fig. 1 and 3, an end of the fixed block 25 far from the second cutting edge 23 is connected with an abutting rod 27 distributed along the length direction of the sliding slot 26 by a screw thread, and one end of the abutting rod 27 extends out of the fixed block 25 and abuts against a slot wall of the sliding slot 26. After fixed block 25 is fixed position by the locating part, rotate and touch bar 27 and make the one end of touch bar 27 contradict with the cell wall of spout 26 for second cutting edge 23 reduces the second cutting edge 23 and drives fixed block 25 to keeping away from the moving trend of caterpillar link blank direction when processing caterpillar link blank, increases the fixed stability of second cutting edge 23.
As shown in fig. 1 and fig. 3, a plurality of driving holes 271 are circumferentially formed in an outer wall of the touch bar 27, and the driving holes 271 are disposed to facilitate the user to rotate the touch bar 27.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (8)
1. The utility model provides a precision finishing cutter arbor that caterpillar link hole A was used, its characterized in that, includes the body of rod (2) and sets up protruding (21) of annular point shape in the body of rod (2) one end, the longitudinal section of arch (21) is triangle-shaped, a plurality of chip grooves (22) have been seted up to body of rod (2) one end, chip groove (22) extend protruding (21) to body of rod (2) terminal surface, just be equipped with on the cell wall of chip groove (22) and extend protruding (21) and one corner and protruding (21) closed angle just right first cutting edge (221), be equipped with second cutting edge (23) on the cutter arbor body of rod (2), second cutting edge (23) are greater than first cutting edge (221) apart from the size at cutter arbor center.
2. The precision machining tool bar for the caterpillar link hole a as claimed in claim 1, wherein: the groove wall of the chip groove (22) is provided with a positioning groove (24) for placing a first cutting edge (221), the first cutting edge (221) is in threaded connection with a locking bolt (241), and the locking bolt (241) penetrates through the first cutting edge (221) and is in threaded connection with the groove bottom of the positioning groove (24).
3. The precision machining tool bar for the track link hole a as claimed in claim 2, wherein: the positioning groove (24) is provided with an arc groove (242) at the groove angle opposite to the sharp angle of the bulge (21), and the angle of the first cutting edge (221) opposite to the sharp angle of the bulge (21) is positioned in the arc groove (242).
4. The precision machining tool bar for the caterpillar link hole a as claimed in claim 1, wherein: offer on the body of rod (2) outer wall and supply plane (243) that second cutting edge (23) were placed, be equipped with fixed block (25) on plane (243), set up spacing groove (251) that supply second cutting edge (23) to place on fixed block (25), threaded connection has fastening post (252) on second cutting edge (23), fastening post (252) pass the tank bottom threaded connection of second cutting edge (23) and spacing groove (251).
5. The tool holder for precision machining of the hole a of the caterpillar link as claimed in claim 4, wherein: the rod body (2) is provided with a sliding groove (26) on a plane (243) for the fixed block (25) to move along the axial direction of the cutter bar, and a limiting piece for limiting the position of the fixed block (25) is arranged in the sliding groove (26).
6. The tool holder for precision machining of the hole a of the caterpillar link as claimed in claim 5, wherein: the locating part comprises a clamping column (261) in threaded connection with the fixed block (25), and the clamping column (261) penetrates through the fixed block (25) to be abutted against the bottom of the sliding groove (26).
7. The tool holder for precision machining of the hole a of the caterpillar link as claimed in claim 6, wherein: one end of the fixed block (25) far away from the second cutting edge (23) is in threaded connection with a touch bar (27) distributed along the length direction of the sliding groove (26), and one end of the touch bar (27) extends out of the fixed block (25) and is abutted against the groove wall of the sliding groove (26).
8. The tool holder for precision machining of the hole a of the caterpillar link as claimed in claim 7, wherein: the outer wall of the touch bar (27) is circumferentially provided with a plurality of driving holes (271).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220393132.5U CN216966299U (en) | 2022-02-25 | 2022-02-25 | Precision machining cutter bar for caterpillar link hole A |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220393132.5U CN216966299U (en) | 2022-02-25 | 2022-02-25 | Precision machining cutter bar for caterpillar link hole A |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216966299U true CN216966299U (en) | 2022-07-15 |
Family
ID=82355057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220393132.5U Expired - Fee Related CN216966299U (en) | 2022-02-25 | 2022-02-25 | Precision machining cutter bar for caterpillar link hole A |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216966299U (en) |
-
2022
- 2022-02-25 CN CN202220393132.5U patent/CN216966299U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220715 |