CN113477990B - Automatic pushing mechanism of jacking knife - Google Patents
Automatic pushing mechanism of jacking knife Download PDFInfo
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- CN113477990B CN113477990B CN202110809456.2A CN202110809456A CN113477990B CN 113477990 B CN113477990 B CN 113477990B CN 202110809456 A CN202110809456 A CN 202110809456A CN 113477990 B CN113477990 B CN 113477990B
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- knife
- gasket
- sliding shaft
- cutter
- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
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Abstract
The invention discloses an automatic pushing mechanism of a nesting knife, which comprises a knife body and a knife handle, wherein a plurality of nesting blades are arranged on the side edge of the knife body, which is far away from one end of the knife handle, the nesting blades are fixedly connected with the knife body through a knife block, a plurality of chamfering blades are arranged at the middle position of the side edge of the knife body, a through groove is formed in one end of the inside of the knife body, a sliding sleeve is arranged in the through groove, a sliding shaft is arranged at the middle position of one end of the sliding sleeve, a spring is sleeved on the sliding shaft, a bushing is arranged at one end of the inside of the through groove, and a pushing block is arranged at one end of the sliding shaft, which is far away from the bushing. Has the advantages that: when the trepanning cutter is used for boring parts, the automatic material pushing mechanism can accurately push out the middle residual materials to be processed out of the trepanning cutter, so that adverse effects of the residual materials on subsequent processing and the trepanning cutter are avoided, the auxiliary operation time can be effectively shortened, the non-failure loss of the cutter is reduced, the production efficiency is improved for customers, and the production cost is also reduced.
Description
Technical Field
The invention relates to the technical field of jacking knives, in particular to an automatic pushing mechanism of a jacking knife.
Background
When using ordinary jacking sword of conventionality, on the cutter boring part surface, the defective material in the middle of the processing is detained inside the jacking sword extremely easily, needs artificial to draw the defective material out the jacking sword usually, has even to lead to part and jacking sword all scrapped condition to take place because of inside defective material to produce the interference to processing.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides an automatic pushing mechanism of a jacking knife, which aims to overcome the technical problems in the prior related art.
Therefore, the invention adopts the following specific technical scheme:
an automatic pushing mechanism of a trepanning knife comprises a knife body and a knife handle, wherein the knife body is positioned at one end of the knife handle, a plurality of trepanning blades are arranged on the side edge of the knife body, which is far away from one end of the knife handle, the trepanning blades are fixedly connected with the knife body through a knife block, a plurality of chamfering blades are arranged at the middle position of the side edge of the knife body, a through groove is formed in one end, which is far away from the knife handle, inside the through groove, a sliding sleeve is arranged inside the through groove, a sliding shaft which is inserted in the sliding sleeve and positioned inside the through groove is arranged at the middle position of one end of the sliding sleeve, a spring is sleeved on the sliding shaft, a bush matched with the sliding shaft and the spring is arranged at one end, which is far away from the bush, of the sliding shaft is provided with a pushing block, a framework oil seal is arranged between the pushing block and the sliding sleeve, and the sliding sleeve are matched and connected through an end face bearing, a bearing spacer, a ball bearing, a bearing gasket and an elastic gasket are sequentially arranged between the end face bearing and the pushing block, the end face bearing, the bearing spacing pad, the ball bearing, the bearing gasket and the elastic gasket are integrally installed with the sliding shaft by the pushing block through a bearing locking screw, an oil inlet hole is arranged in the middle of one side of the side edge of the cutter body, a plurality of vent holes communicated with the through groove are arranged on the side edge of the cutter body, an embedded bolt is arranged in the oil inlet hole, a sealing plug is arranged at the bottom end of the embedded bolt, a fixed sleeve is arranged inside the vent hole and is fixedly connected with the cutter body through a plurality of mounting bolts, the filter is characterized in that a first filter screen is arranged at one end inside the fixed sleeve, a second filter screen is arranged at the other end inside the fixed sleeve, and breathable fillers are arranged at the middle position inside the fixed sleeve.
Furthermore, the cutter body and the cutter handle are of an integral casting structure, a mounting hole is formed in one end, far away from the cutter body, of the interior of the cutter handle, and an extending groove communicated with the through groove and matched with the sliding shaft is formed in one end of the interior of the cutter body.
Further, the jacking blade and the cutter block and the chamfering blade and the cutter body are fixedly connected through blade screws, and the cutter block and the cutter body are locked by the cutter block locking screws.
Further, the bush with through bush locking screw fixed connection between the cutter body, the sliding sleeve with through sliding sleeve connecting screw fixed connection between the sliding shaft.
Furthermore, one end of the sliding shaft is provided with a rebound gasket, the rebound gasket is fixedly connected with the sliding shaft through a gasket locking screw, an elastic rubber pad is arranged between the rebound gasket and the sliding shaft, and an elastic gasket is arranged between the gasket locking screw and the rebound gasket.
The invention has the beneficial effects that: when the trepanning tool is used for boring a part, the automatic material pushing mechanism can accurately push the processed middle residual material out of the trepanning tool, the adverse effect of the residual material on subsequent processing and the trepanning tool is avoided, the auxiliary operation time can be effectively reduced, the failure loss of the tool is reduced, the production efficiency is improved for a customer, the production cost is also reduced, the processed residual material is regular in appearance after being pushed out by the automatic material pushing mechanism, the surface of the processed residual material is basically free of friction damage, the customer can just utilize the residual material to process other part products, and all generated resources are effectively utilized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an automatic pushing mechanism of a jacking knife according to an embodiment of the invention;
FIG. 2 is a cross-sectional view of an automatic pusher mechanism for a trepanning knife according to an embodiment of the invention;
FIG. 3 is a partial cross-sectional view of an automatic pusher mechanism for a trepanning knife according to an embodiment of the invention;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is a second schematic structural diagram of an automatic pushing mechanism of a nesting knife according to an embodiment of the present invention;
FIG. 6 is a side view of an automatic pusher mechanism for a trepanning knife according to an embodiment of the invention;
fig. 7 is a schematic structural diagram of an internal structure of a vent hole of an automatic pushing mechanism of a nesting knife according to an embodiment of the invention.
In the figure:
1. a cutter body; 2. a knife handle; 3. a nesting blade; 4. a cutter block; 5. chamfering the blade; 6. a through groove; 7. a sliding sleeve; 8. a sliding shaft; 9. a spring; 10. a bushing; 11. a pushing block; 12. mounting holes; 13. an elongated slot; 14. a blade screw; 15. a cutter block locking screw; 16. a bushing locking screw; 17. a sliding sleeve connecting screw; 18. a rebound gasket; 19. a washer locking screw; 20. an elastic rubber pad; 21. an elastic pad; 22. framework oil seal; 23. an end face bearing; 24. a bearing spacer; 25. a ball bearing; 26. a bearing spacer; 27. an elastic pad; 28. a bearing locking screw; 29. an oil inlet hole; 30. a vent hole; 31. embedding a bolt; 32. sealing the plug; 33. fixing a sleeve; 34. installing a bolt; 35. a first filter screen; 36. a second filter screen; 37. and (4) air-permeable filling materials.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to an embodiment of the invention, an automatic pushing mechanism of a jacking knife is provided.
The first embodiment is as follows:
as shown in fig. 1-7, the automatic pushing mechanism of the trepanning knife according to the embodiment of the invention comprises a knife body 1 and a knife handle 2, the cutter body 1 is positioned at one end of the cutter handle 2, a plurality of jacking blades 3 are arranged at the side edge of the cutter body 1 far away from one end of the cutter handle 2, the jacking blade 3 is fixedly connected with the cutter body 1 through a cutter block 4, a plurality of chamfering blades 5 are arranged at the middle position of the side edge of the cutter body 1, a through groove 6 is arranged at one end of the interior of the cutter body 1 far away from the cutter handle 2, a sliding sleeve 7 is arranged in the through groove 6, a sliding shaft 8 which is inserted into the sliding sleeve 7 and is positioned in the through groove 6 is arranged in the middle of one end of the sliding sleeve 7, the sliding shaft 8 is sleeved with a spring 9, one end inside the through groove 6 is provided with a bush 10 matched with the sliding shaft 8 and the spring 9, and one end, far away from the bush 10, of the sliding shaft 8 is provided with a pushing block 11.
By means of the technical scheme, when the trepanning cutter is used for boring a part, the automatic material pushing mechanism can accurately push the processed middle residual material out of the interior of the trepanning cutter, adverse effects of the residual material on subsequent processing and the trepanning cutter are avoided, the auxiliary operation time can be effectively shortened, the failure loss of the cutter is reduced, the production efficiency is improved for customers, the production cost is reduced, the processed residual material is regular in appearance after being pushed out by the automatic material pushing mechanism, the surface of the processed residual material is basically free of friction damage, the customer can just utilize the processed residual material to process other part products, and all generated resources are effectively utilized.
Example two:
as shown in fig. 1-7, the cutter body 1 is located at one end of the cutter handle 2, the side edge of the cutter body 1 away from one end of the cutter handle 2 is provided with a plurality of trepanning blades 3, the trepanning blades 3 are fixedly connected with the cutter body 1 through a cutter block 4, a plurality of chamfering blades 5 are arranged at the middle position of the side edge of the cutter body 1, a through groove 6 is arranged at one end of the cutter body 1 away from the cutter handle 2, a sliding sleeve 7 is arranged inside the through groove 6, a sliding shaft 8 which is inserted into the sliding sleeve 7 and located inside the through groove 6 is arranged at the middle position of one end of the sliding sleeve 7, a spring 9 is sleeved on the sliding shaft 8, a bush 10 which is matched with the sliding shaft 8 and the spring 9 is arranged at one end of the through groove 6, a pushing block 11 is arranged at one end of the sliding shaft 8 away from the bush 10, the cutter body 1 and the cutter handle 2 are of an integral casting structure, the utility model discloses a cutter structure, including cutter handle 2, cutter body 1, cover material blade 3, cutter block 4, bush 16, slide shaft 8, mounting hole 12 has been seted up to the inside one end of keeping away from of handle of a knife 2 the one end of cutter body 1 has been seted up, the inside one end of cutter body 1 seted up with lead to groove 6 intercommunication and with 8 assorted extension grooves 13 of slide shaft, cover material blade 3 with between the cutter block 4 and chamfer blade 5 with all through blade screw 14 fixed connection between the cutter body 1, cutter block 4 with through cutter block locking screw 15 between the cutter body 1, bush 10 with through bush locking screw 16 fixed connection between the cutter body 1, sliding sleeve 7 with through sliding sleeve connecting screw 17 fixed connection between the slide shaft 8.
Example three:
as shown in fig. 1-7, the cutter body 1 is located at one end of the cutter handle 2, the side edge of the cutter body 1, which is away from one end of the cutter handle 2, is provided with a plurality of trepanning blades 3, the trepanning blades 3 are fixedly connected with the cutter body 1 through a cutter block 4, the middle position of the side edge of the cutter body 1 is provided with a plurality of chamfering blades 5, one end, which is away from the cutter handle 2, inside the cutter body 1 is provided with a through groove 6, the inside of the through groove 6 is provided with a sliding sleeve 7, the middle position of one end of the sliding sleeve 7 is provided with a sliding shaft 8 which is inserted in the sliding sleeve 7 and located inside the through groove 6, the sliding shaft 8 is sleeved with a spring 9, one end, which is inside the through groove 6, is provided with a bush 10 which is matched with the sliding shaft 8 and the spring 9, one end, which is away from the bush 10, is provided with a pushing block 11, one end of the sliding shaft 8 is provided with a resilient gasket 18, rebound gasket 18 with through gasket locking screw 19 fixed connection between the sliding shaft 8, rebound gasket 18 with be provided with elasticity cushion 20 between the sliding shaft 8, gasket locking screw 19 with be provided with elasticity gasket 21 between the rebound gasket 18, promote the piece 11 with be provided with skeleton oil blanket 22 between the sliding sleeve 7, promote the piece 11 with cooperate through end face bearing 23 between the sliding sleeve 7 and be connected, end face bearing 23 with it has set gradually bearing spacer 24, ball bearing 25, bearing gasket 26 and resilient pad 27 to promote between the piece 11, it will to promote the piece 11 through bearing locking screw 28 end face bearing 23 bearing spacer 24 ball bearing 25 bearing gasket 26 with resilient pad 27 with sliding shaft 8 installs into a whole.
Example four:
as shown in fig. 1-7, the cutter body 1 is located at one end of the cutter handle 2, the side edge of the cutter body 1 away from one end of the cutter handle 2 is provided with a plurality of trepanning blades 3, the trepanning blades 3 are fixedly connected with the cutter body 1 through a cutter block 4, a plurality of chamfering blades 5 are arranged at the middle position of the side edge of the cutter body 1, a through groove 6 is arranged at one end of the cutter body 1 away from the cutter handle 2, a sliding sleeve 7 is arranged inside the through groove 6, a sliding shaft 8 which is inserted into the sliding sleeve 7 and located inside the through groove 6 is arranged at the middle position of one end of the sliding sleeve 7, a spring 9 is sleeved on the sliding shaft 8, a bush 10 which is matched with the sliding shaft 8 and the spring 9 is arranged at one end of the through groove 6, a pushing block 11 is arranged at one end of the sliding shaft 8 away from the bush 10, and an oil inlet 29 is arranged at the middle position of one side edge of the cutter body 1, a plurality of with the air vent 30 that leads to groove 6 intercommunication is seted up to the side of cutter body 1, the inside of inlet port 29 is provided with embedded bolt 31, embedded bolt 31's bottom is provided with sealed end cap 32, the inside of air vent 30 is provided with fixed cover 33, fixed cover 33 through a plurality of construction bolt 34 with cutter body 1 fixed connection, the inside one end of fixed cover 33 is provided with filter screen one 35, the inside other end of fixed cover 33 is provided with filter screen two 36, the inside intermediate position of fixed cover 33 is provided with ventilative stopping 37.
The working principle is as follows: the cutter body is designed in a mode of integrating the cutter handle, so that the overall rigidity of the cutter body is ensured as short as possible, the cutter body is designed in a spiral chip groove, chips are conveniently and smoothly discharged along the direction of a spiral groove when the cutter rotates, the rear end of the sliding shaft fixes the rebound gasket and the elastic rubber pad into a whole through a gasket locking screw, the elastic gasket is added for preventing the screw from loosening, a bushing is arranged between the sliding shaft and the cutter body and fixed on the cutter body through the bushing locking screw, the sliding shaft needs to freely slide in an inner hole of the bushing, a spring is arranged between the sliding shaft and the bushing, the sleeved residual materials are automatically ejected out of the cutter through the elasticity of the spring, the cutter blade is cut into a part when the pushing block is contacted with the surface of a blank, an end face bearing and a ball bearing are combined for preventing the pushing block from rubbing against the blank, so that the cutter rotates and cuts, the pushing block can be kept in a static state all the time, when the trepanning knife is used, the trepanning blade cuts into a part, the pushing block can push the upper surface of the residual material of the part, the pushing block can also correspondingly move backwards in the knife body along with the continuous cutting of the trepanning knife, meanwhile, a spring arranged in the pushing block can slowly bear force, when the trepanning blade cuts through the surface of the part, the spring force can be released, the pushing block is pushed forwards to push the residual material out of the interior of the trepanning knife, and the trepanning knife continues to move downwards to process the hole cutter holder together. Thereby completing one processing procedure.
In summary, according to the technical scheme of the invention, when the trepanning tool is used for boring a part, the automatic material pushing mechanism can accurately push the processed middle residual material out of the trepanning tool, so that adverse effects of the residual material on subsequent processing and the trepanning tool are avoided, the auxiliary operation time can be effectively reduced, the failure loss of the tool is reduced, the production efficiency is improved for customers, the production cost is reduced, the processed residual material is regular in appearance after being pushed out by the automatic material pushing mechanism, the surface of the processed residual material is basically free of friction damage, the customer can just utilize the residual material to process other part products, and all generated resources are effectively utilized.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The automatic pushing mechanism of the trepanning knife is characterized by comprising a knife body (1) and a knife handle (2), wherein the knife body (1) is located at one end of the knife handle (2), a plurality of trepanning blades (3) are arranged on the side edge of the knife body (1) far away from one end of the knife handle (2), the trepanning blades (3) are fixedly connected with the knife body (1) through a knife block (4), a plurality of chamfering blades (5) are arranged at the middle position of the side edge of the knife body (1), a through groove (6) is formed in one end of the knife body (1) far away from the knife handle (2), a sliding sleeve (7) is arranged in the through groove (6), a sliding shaft (8) which penetrates through the sliding sleeve (7) and is located in the through groove (6) is arranged at the middle position of one end of the sliding sleeve (7), a spring (9) is arranged on the sliding shaft (8), the one end that leads to groove (6) inside be provided with sliding shaft (8) with spring (9) assorted bush (10), sliding shaft (8) keep away from the one end of bush (10) is provided with promotes piece (11), promote piece (11) with be provided with skeleton oil blanket (22) between sliding sleeve (7), promote piece (11) with cooperate through end face bearing (23) and connect between sliding sleeve (7), end face bearing (23) with promote between piece (11) and set gradually bearing spacer (24), ball bearing (25), bearing gasket (26) and elastic gasket (27), it will through bearing locking screw (28) to promote piece (11) end face bearing (23), bearing spacer (24), ball bearing (25), bearing gasket (26) and elastic gasket (27) with sliding shaft (8) install into a whole, the utility model discloses a cutter body, including cutter body (1), side, the intermediate position of cutter body (1) side one side is provided with inlet port (29), the side of cutter body (1) seted up a plurality of with air vent (30) that lead to groove (6) intercommunication, the inside of inlet port (29) is provided with embedded bolt (31), the bottom of embedded bolt (31) is provided with sealed end cap (32), the inside of air vent (30) is provided with fixed cover (33), fixed cover (33) through a plurality of construction bolt (34) with cutter body (1) fixed connection, the inside one end of fixed cover (33) is provided with filter screen (35), the inside other end of fixed cover (33) is provided with filter screen two (36), the inside intermediate position of fixed cover (33) is provided with ventilative stopping (37).
2. The automatic pushing mechanism of the nesting knife as claimed in claim 1, wherein the knife body (1) and the knife handle (2) are of an integral casting structure, a mounting hole (12) is formed in one end of the inside of the knife handle (2) far away from the knife body (1), and an elongated slot (13) communicated with the through slot (6) and matched with the sliding shaft (8) is formed in one end of the inside of the knife body (1).
3. The automatic pushing mechanism of the nesting knife as claimed in claim 1, wherein the nesting knife (3) and the knife block (4) and the chamfering knife (5) and the knife body (1) are fixedly connected through a blade screw (14), and the knife block (4) and the knife body (1) are locked through a knife block locking screw (15).
4. The automatic pushing mechanism of the trepanning knife as claimed in claim 1, wherein the bushing (10) is fixedly connected with the knife body (1) through a bushing locking screw (16), and the sliding sleeve (7) is fixedly connected with the sliding shaft (8) through a sliding sleeve connecting screw (17).
5. The automatic pushing mechanism of the trepanning knife as claimed in claim 1, wherein a rebound gasket (18) is arranged at one end of the sliding shaft (8), the rebound gasket (18) is fixedly connected with the sliding shaft (8) through a gasket locking screw (19), an elastic rubber gasket (20) is arranged between the rebound gasket (18) and the sliding shaft (8), and an elastic gasket (21) is arranged between the gasket locking screw (19) and the rebound gasket (18).
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CN202110809456.2A CN113477990B (en) | 2021-07-16 | 2021-07-16 | Automatic pushing mechanism of jacking knife |
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CN202110809456.2A CN113477990B (en) | 2021-07-16 | 2021-07-16 | Automatic pushing mechanism of jacking knife |
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CN113477990B true CN113477990B (en) | 2022-04-08 |
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CN108145206A (en) * | 2017-12-18 | 2018-06-12 | 西安理工大学 | A kind of type horizontal processing machine tool for jacking deep hole machining |
CN111644668A (en) * | 2020-06-10 | 2020-09-11 | 中国航发航空科技股份有限公司 | Jacking knife |
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US3559513A (en) * | 1968-05-06 | 1971-02-02 | Everett D Hougen | Hole saw |
CH612866A5 (en) * | 1975-11-26 | 1979-08-31 | Tiberius Wozar | Trepanning tool |
DE2649399A1 (en) * | 1976-10-29 | 1978-05-03 | Benz Gmbbh Werkzeug Und Maschi | Trepanning tool for metal - has spring loaded point ensuring correct centring and can include extension lengths for producing deep holes |
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CN2148622Y (en) * | 1992-10-17 | 1993-12-08 | 周沄 | Blind hole jacking core rod cutting-off apparatus |
JP2003025130A (en) * | 2001-07-19 | 2003-01-29 | Babcock Hitachi Kk | Large-diameter deep groove machining device and method |
CN101318233A (en) * | 2008-07-16 | 2008-12-10 | 田栽亮 | Taper degree mounting type off-centering machine cutting ferrule material drill |
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CN203679013U (en) * | 2013-11-26 | 2014-07-02 | 芜湖市五环轴承锻造有限公司 | Trepanning processing device |
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CN104191002A (en) * | 2014-08-19 | 2014-12-10 | 北京北方车辆集团有限公司 | Adjustable, rapid and automatic discharging cylindrical drill |
CN108145206A (en) * | 2017-12-18 | 2018-06-12 | 西安理工大学 | A kind of type horizontal processing machine tool for jacking deep hole machining |
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