CN211890649U - Ejector rod disassembling tool - Google Patents
Ejector rod disassembling tool Download PDFInfo
- Publication number
- CN211890649U CN211890649U CN202020213561.0U CN202020213561U CN211890649U CN 211890649 U CN211890649 U CN 211890649U CN 202020213561 U CN202020213561 U CN 202020213561U CN 211890649 U CN211890649 U CN 211890649U
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- China
- Prior art keywords
- main shaft
- dish cover
- shaft belt
- lathe
- hole
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Abstract
The utility model discloses a knockout pin extracting tool, including the lathe box, install the lathe main shaft in the lathe box, the main shaft belt dish cover has been put to the card on the front end of lathe main shaft, the shaping of the front end lateral wall of main shaft belt dish cover has the flange limit, and the shaping has positioning hole on the flange limit, dismantles the fixed plate and presses on the preceding terminal surface of main shaft belt dish cover, dismantles the fixed plate and installs on the front end of main shaft belt dish cover, and the middle part shaping of dismantling the fixed plate has central spiro union through-hole, and the ejector pin spiro union is in central spiro union through-hole, and the rear end pressure of ejector pin is leaned on the preceding terminal surface of. It can be installed at main shaft belt dish cover through dismantling the fixed plate, presses the lathe main shaft through the ejector pin, and it is ejecting with main shaft belt dish cover, and it makes main shaft belt dish cover atress even to make it can follow quick dismantlement on the lathe main shaft, its is effectual, efficient.
Description
The technical field is as follows:
the utility model relates to a wheel hub processing check out test set technical field, more specifically the utility model relates to a ejector pin extracting tool that says so.
Background art:
when the existing machine tool spindle is maintained, a spindle belt disc sleeve clamped on the spindle belt disc sleeve needs to be detached, and the existing detaching mode is that a hammer and the like are used manually to knock the rear surface of the outer ring of the spindle belt disc sleeve, so that the spindle belt disc sleeve slowly and gradually moves forwards from the machine tool spindle, and the spindle belt disc sleeve is separated from the machine tool spindle.
The utility model has the following contents:
the utility model aims at overcoming prior art's is not enough, provides a ejector pin extracting tool, and it can be installed at main shaft belt dish cover through dismantling the fixed plate, presses the lathe main shaft through the ejector pin, and it is ejecting with main shaft belt dish cover, and it makes main shaft belt dish cover atress even to make it can follow quick dismantlement on the lathe main shaft, its is effectual, efficient.
The utility model provides a technical problem's scheme is:
the utility model provides a knockout pin extracting tool, includes the lathe box, installs the lathe main shaft in the lathe box, and the main shaft belt dish cover has been put to the card on the front end of lathe main shaft, the shaping of the front end lateral wall of main shaft belt dish cover has flange limit, and flange limit shaping has positioning hole, dismantles the fixed plate and presses on the preceding terminal surface of main shaft belt dish cover, dismantles the fixed plate and installs on the front end of main shaft belt dish cover, and the middle part shaping of dismantling the fixed plate has central spiro union through-hole, and the knockout pin spiro union is in central spiro union through-hole, and the rear end pressure of knockout pin is leaned on the preceding terminal.
The rear wall face of the edge of the detachable fixing plate is pressed with a plurality of pressing blocks, the pressing blocks are fixedly connected to the edge of the detachable fixing plate through bolts, slots are formed in the inner side walls of the pressing blocks, the connecting flange edges are inserted in the slots in a sleeved mode, and the rear wall face of the connecting flange edges is tightly attached to the rear wall face of the slots.
And a positioning column is fixed on the rear wall surface of the slot and is inserted and sleeved in the positioning through hole on the connecting flange side.
An elastic protective sleeve is fixed on the positioning column, the elastic protective sleeve is inserted in the positioning through hole, the outer side wall of the elastic protective sleeve is pressed against the inner side wall of the corresponding positioning through hole, and the front wall plate of the elastic protective sleeve is pressed against the rear wall surface of the detachable fixing plate.
An annular groove is formed in the middle of the rear wall surface of the dismounting fixing plate, the front end of the main shaft belt disc sleeve is inserted into the annular groove, and the front end surface of the main shaft belt disc sleeve is pressed against the front wall surface of the annular groove.
And a reinforced wear-resistant block is fixed at the rear end of the ejector rod and is pressed against the front end surface of the machine tool spindle.
The utility model discloses an outstanding effect is:
compared with the prior art, it can install at main shaft belt dish cover through dismantling the fixed plate, presses the lathe main shaft through the ejector pin, and is ejecting with main shaft belt dish cover, and it makes main shaft belt dish cover atress even to make it can follow quick dismantlement on the lathe main shaft, its is effectual, efficient.
Description of the drawings:
fig. 1 is a partial structural schematic diagram of the present invention;
fig. 2 is a partial front view of the utility model at the top of the fixing plate for detaching.
The specific implementation mode is as follows:
in an embodiment, as shown in fig. 1 to 2, a knockout pin removing tool includes a machine tool box 100, a machine tool spindle 10 is installed in the machine tool box 100, a spindle belt disk sleeve 20 is clamped on a front end of the machine tool spindle 10, a connecting flange 21 is formed on an outer side wall of a front end of the spindle belt disk sleeve 20, a positioning through hole 22 is formed on the connecting flange 21, a removing fixing plate 30 is pressed against a front end face of the spindle belt disk sleeve 20, the removing fixing plate 30 is installed on the front end of the spindle belt disk sleeve 20, a central bolt through hole 31 is formed in a middle of the removing fixing plate 30, a knockout pin 32 is bolt-connected in the central bolt through hole 31, and a rear end of the knockout pin 32 is pressed against the front end face of the machine tool spindle 10.
Furthermore, the rear wall surface of the edge of the detachable fixing plate 30 is pressed against a plurality of pressing blocks 40, the pressing blocks 40 are fixedly connected to the edge of the detachable fixing plate 30 through bolts, slots 41 are formed in the inner side walls of the pressing blocks 40, the connecting flange 21 is inserted in the slots 41, and the rear wall surface of the connecting flange 21 is tightly attached to the rear wall surface of the slots 41.
Furthermore, a positioning post 42 is fixed on the rear wall surface of the slot 41, and the positioning post 42 is inserted into the positioning through hole 22 of the connecting flange 21.
Furthermore, an elastic protection sleeve 43 is fixed on the positioning column 42, the elastic protection sleeve 43 is inserted into the positioning through hole 22, the outer side wall of the elastic protection sleeve 43 presses against the inner side wall of the corresponding positioning through hole 22, and the front wall plate of the elastic protection sleeve 43 presses against the rear wall surface of the fixed disassembly plate 30.
Further, an annular groove 33 is formed in the middle of the rear wall surface of the fixed dismounting plate 30, the front end of the spindle belt pulley sleeve 20 is inserted into the annular groove 33, and the front end surface of the spindle belt pulley sleeve 20 is pressed against the front wall surface of the annular groove 33.
Furthermore, a reinforced wear-resistant block 34 is fixed at the rear end of the ejector rod 32, and the reinforced wear-resistant block 34 is pressed against the front end face of the machine tool spindle 10.
When the spindle belt sleeve is used, the front end of the spindle belt sleeve 20 is inserted into the annular groove 33, the front end face of the spindle belt sleeve 20 is pressed against the front wall face of the annular groove 33, then, the plurality of pressing blocks 40 are fixedly connected to the edge of the dismounting fixing plate 30 through bolts, the connecting flange 21 is inserted into the slot 41, the rear wall face of the connecting flange 21 is tightly attached to the rear wall face of the slot 41, the positioning columns 42 are inserted into the positioning through holes 22 of the connecting flange 21, the outer side walls of the elastic protection sleeves 43 are pressed against the inner side walls of the corresponding positioning through holes 22, and the front wall plate of the elastic protection sleeves 43 is pressed against the rear wall face of the dismounting fixing plate 30 to complete the fixing;
then, the ejector rod 32 is rotated to press the reinforced wear-resistant block 34 on the front end surface of the machine tool spindle 10, the spindle belt sleeve 20 is separated and pulled out from the machine tool spindle 10 through a reaction force along with the gradual backward movement of the rear end of the ejector rod 32, and the dismounting stress is uniform, the dismounting is rapid, and the effect is good.
Finally, the above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (6)
1. The utility model provides a ejector pin extracting tool, includes lathe box (100), installs lathe main shaft (10) in lathe box (100), and the card has been put main shaft belt dish cover (20), its characterized in that on the front end of lathe main shaft (10): the front end lateral wall shaping of main shaft belt dish cover (20) has flange limit (21), the shaping has positioning hole (22) on flange limit (21), dismantle fixed plate (30) and press on the preceding terminal surface of main shaft belt dish cover (20), dismantle fixed plate (30) and install on the front end of main shaft belt dish cover (20), the middle part shaping of dismantling fixed plate (30) has central spiro union through-hole (31), ejector pin (32) spiro union is in central spiro union through-hole (31), the rear end pressure of ejector pin (32) is on the preceding terminal surface of lathe main shaft (10).
2. A mandrel removal tool as claimed in claim 1, wherein: the edge rear wall face of the detachable fixing plate (30) is pressed with a plurality of pressing blocks (40), the pressing blocks (40) are fixedly connected to the edge of the detachable fixing plate (30) through bolts, slots (41) are formed in the inner side wall of the pressing blocks (40), the connecting flange edges (21) are inserted in the slots (41), and the rear wall face of the connecting flange edges (21) is tightly attached to the rear wall face of the slots (41).
3. A mandrel removal tool as claimed in claim 2, wherein: and a positioning column (42) is fixed on the rear wall surface of the slot (41), and the positioning column (42) is inserted in the positioning through hole (22) of the connecting flange edge (21).
4. A mandrel removal tool according to claim 3, wherein: an elastic protection sleeve (43) is fixed on the positioning column (42), the elastic protection sleeve (43) is inserted in the positioning through hole (22), the outer side wall of the elastic protection sleeve (43) is pressed against the inner side wall of the corresponding positioning through hole (22), and the front wall plate of the elastic protection sleeve (43) is pressed against the rear wall surface of the disassembly fixing plate (30).
5. A mandrel removal tool as claimed in claim 1, wherein: an annular groove (33) is formed in the middle of the rear wall surface of the dismounting fixing plate (30), the front end of the main shaft belt disc sleeve (20) is inserted into the annular groove (33), and the front end surface of the main shaft belt disc sleeve (20) is pressed against the front wall surface of the annular groove (33).
6. A mandrel removal tool as claimed in claim 1, wherein: and a reinforced wear-resistant block (34) is fixed at the rear end of the ejector rod (32), and the reinforced wear-resistant block (34) is pressed against the front end surface of the machine tool spindle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020213561.0U CN211890649U (en) | 2020-02-26 | 2020-02-26 | Ejector rod disassembling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020213561.0U CN211890649U (en) | 2020-02-26 | 2020-02-26 | Ejector rod disassembling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211890649U true CN211890649U (en) | 2020-11-10 |
Family
ID=73290910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020213561.0U Active CN211890649U (en) | 2020-02-26 | 2020-02-26 | Ejector rod disassembling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211890649U (en) |
-
2020
- 2020-02-26 CN CN202020213561.0U patent/CN211890649U/en active Active
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