CN106670581B - A kind of manual rotation cutter - Google Patents
A kind of manual rotation cutter Download PDFInfo
- Publication number
- CN106670581B CN106670581B CN201611040086.6A CN201611040086A CN106670581B CN 106670581 B CN106670581 B CN 106670581B CN 201611040086 A CN201611040086 A CN 201611040086A CN 106670581 B CN106670581 B CN 106670581B
- Authority
- CN
- China
- Prior art keywords
- cutter
- ball bearing
- ammunition
- mandril
- cut
- Prior art date
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The present invention relates to a kind of manual rotation cutters, belong to field of machining.The manual rotation cutter of the present invention, including jacking mechanism, cutter frame mechanism, front clamp body, rear clamping body and pedestal；Jacking mechanism is fixed on the left side of pedestal upper surface, and the side wall of ammunition to be cut is supported by front clamp body and rear clamping body horizontal-clamping, and cutter frame mechanism is sleeved on the front end of ammunition to be cut and is connected by bearing；Jacking mechanism, which presses closer cutter frame mechanism, makes cutter frame mechanism and ammunition axial grip to be cut；Jacking mechanism drives cutter frame mechanism rotation, the cutter on cutter frame mechanism to cut ammunition.Cutting tool installation manner by external rotating mechanism, being avoided the danger that powder charge missile rotation is brought by manual rotation cutter of the present invention；Machining accuracy meets the requirement that product is reprocessed.
Description
Technical field
The present invention relates to a kind of manual rotation cutters, belong to field of machining.
Background technology
Certain ammunition products is in head spiral shell and body connecting portion it is possible that sepage phenomenon, this problem are directly related to this
Ammunition uses and stores safety, needs to reprocess after cutting the connection lead pad of problem ammunition, it is ensured that the quality of product
And performance.Cutting scheme traditional at present mainly has manually is cut using dedicated tool manually, but this method speed is too
Slowly, it wastes time and point of a knife easily rhegma, it is not easy to operate；Or cut using lathe, but because product band medicine cuts this
Particularity causes powder charge missile rotation that can bring prodigious security risk, dangerous too big.It needs to design thus a kind of micro- manually
Type mechanical device come solve the problems, such as priming system band medicine cut this.
Invention content
The safety problem brought the purpose of the present invention is to solve powder charge missile rotation when priming system is cut with medicine and
The problem of forging a knife easily occurred in cutting process, and a kind of tool of the priming system provided with medicine cutting, dismounting lead pad.
The purpose of the present invention is what is be achieved through the following technical solutions：
The present invention a kind of manual rotation cutter, including jacking mechanism, cutter frame mechanism, front clamp body, rear clamping body and
Pedestal；
Jacking mechanism includes jacking mechanism seat, mandril, tightening nut, footstock and handwheel；Jacking mechanism seat bottom is support
Seat, the vertical fixed board in support base upper end are provided with location hole on riser；The side wall of mandril is machined with external screw thread, the front end of mandril
It is processed as hemispherical top, hemispherical top and the rectangle positioning section that mandril junction is that width is less than that hemispherical comes directly towards diameter,
The rear end of mandril is fixed with handwheel；Footstock is the cylindrical member of one end open, and footstock bottom surface outer surface is plane；
Tightening nut is movably connected in the location hole of riser, makes tightening nut with respect to riser shaft to positioning, be freely rotated；
Mandril is threaded into tightening nut, and the inner cavity of footstock is inserted into the hemispherical top of mandril front end, by fixing U in footstock open end
Shape cover board makes the rear end limit of hemispherical top, hemispherical top have rotation space in footstock inner cavity；
Cutter frame mechanism include blanking cover, deep groove ball bearing, ring washer, thrust ball bearing, swivel mount, radial positioning device,
Cutter and connector；
Swivel mount is the columnar structured of both ends open, and the left end oral area embedded SMA actuators of swivel mount have bearing mounting groove, axis
It holds and is sequentially loaded into thrust ball bearing and deep groove ball bearing in mounting groove, the left lasso internal diameter of thrust ball bearing and deep groove ball bearing
Outer ring internal diameter matches；The left set ring outer wall of thrust ball bearing is contacted with the inner wall of bearing mounting groove, the right set of thrust ball bearing
Ring outer wall is not contacted with the inner wall of bearing mounting groove；Deep groove ball bearing is radially fixed with bearing mounting groove by being socketed ring washer
Position；The left end of swivel mount encapsulates thrust ball bearing and deep groove ball bearing by the blanking cover of annular harden structure, and makes thrust ball bearing
There are axial displacements in bearing mounting groove with deep groove ball bearing；
Be fixed with multiple radial positioning devices of circumference uniform distribution at the right end outer rim of swivel mount, each radial positioning device by
Positioning tube, adjusting rod and idler wheel composition, positioning tube are threadedly coupled adjusting rod, the connection rolling of adjusting rod lower end by radial threaded hole
Wheel；
The right end sidewalls of swivel mount are provided with feed window, and expandable tool is mounted at the feed window of swivel mount side wall；
The left end of connector is the bearing locating slot to match with shape in thrust ball bearing and deep groove ball bearing, connector
Right end is the internal thread connector sleeve to match with ammunition front end to be cut external screw thread；
The expandable tool is connect by the positioning slot hole of axial aperture with swivel mount, and expandable tool is made to rotate
The axial position of frame is adjustable.
The expandable tool includes cutter, tool-post structure, broaching tool sliding block, gland and feed rod；Tool-post structure is opened for one end
The blind end of the cylindrical member of mouth, tool-post structure is provided with the edge of a knife, and the inner cavity of tool-post structure is rectangular section；The shape and knife rest of broaching tool sliding block
The interior shape of intracoelomic cavity matches, and the front end fixed cutting tool of broaching tool sliding block, the rear end of broaching tool sliding block is provided with threaded hole；Feed rod front end
Side wall is machined with external screw thread, and the back segment side wall of feed rod is machined with annular positioning groove, and the rear end end of feed rod is machined with knob；
The U-shaped slot hole to match with feed rod annular positioning groove outer diameter is provided on gland, feed rod is inserted into gland by annular positioning groove
U-shaped slot hole in, make feed rod and gland axially position, the nose threads of feed rod screw in the threaded hole of broaching tool sliding block rear end
It is interior；The open end of gland and tool-post structure is fixed, and so that feed rod, broaching tool sliding block and cutter is encapsulated in tool-post structure, the front end of cutter
It is stretched out from the knife-edge part of tool-post structure blind end；By rotation feed rod, broaching tool sliding block is made to be slid back and forth along the inner cavity of tool-post structure, into
And adjust the length that tool-post structure blind end knife-edge part is stretched out in cutter front end.
Jacking mechanism is fixed on the left side of pedestal upper surface by jacking mechanism seat, and front clamp body and rear clamping body are solid respectively
It is scheduled on the middle part and right side of pedestal upper surface；The nose threads of ammunition to be cut screw in the internal thread connector sleeve of connector right end
It is interior；The left end of connector is inserted into the swivel mount of cutter frame mechanism；The side wall of ammunition to be cut passes through front clamp body and rear clamping body
Horizontal-clamping supports；The tightening nut for rotating jacking mechanism, makes mandril brought forward footstock press closer the left end of cutter frame mechanism；Knife rest
Mechanism under the promotion of mandril to one side compression of ammunition to be cut, make the bearing locating slot of connector left end and thrust ball bearing and
Deep groove ball bearing axial-radial coordinates, while making the cutter of expandable tool and the machining position axial alignment of ammunition to be cut；It is logical
The adjusting rod for crossing radial positioning device adjusts idler wheel extension elongation, makes the swivel mount of cutter frame mechanism and ammunition axis one to be cut
It causes；By rotating expandable tool front end feed to machining position；Mandril and footstock rotation, footstock is driven to pass through friction by handwheel
Power drives cutter frame mechanism rotation, the cutter of cutter frame mechanism to cut off the lead pad of ammunition to be cut in rotation process.
Advantageous effect
Manual rotation cutter of the present invention is reasonable for structure, and simple to operate, work efficiency is high；By the way that Cutting tool installation manner is existed
On external rotating mechanism, the danger that powder charge missile rotation is brought is avoided；Rotary cutter is realized by radial positioning device
Machining center is with elastomer axis to just；By the top Front-end Design of jacking mechanism at hemispherical dome structure, realize jacking mechanism with
Flexible centering when cutter frame mechanism axial compression, the deformation for avoiding hard contact is possible, ensure that machining accuracy, meets product
The requirement reprocessed.
Description of the drawings
Fig. 1 is the overall structure diagram of manual rotation cutter of the present invention；
Fig. 2 is the structural schematic diagram of jacking mechanism in manual rotation cutter of the present invention
Fig. 3 is the structural schematic diagram of manual rotation cutter intermediate slide mechanism of the present invention；
Fig. 4 is the structural schematic diagram of expandable tool in manual rotation cutter of the present invention；
Wherein, 1- jacking mechanisms；2- cutter frame mechanisms；3- front clamp bodies；Clamping body after 4-；5- pedestals；6- footstocks；7- is locked
Nut；8- jacking mechanism seats；9- blanking covers；10- mandrils；11- deep groove ball bearings；12- thrust ball bearings；13- swivel mounts；14- branch
Support axis；15- radial positioning devices；16- expandable tools；17- cutters；18- tool-post structures；19- broaching tool sliding blocks；20- glands；21-
Feed rod.
Specific implementation mode
Present disclosure is further described with reference to the accompanying drawings and examples：
Embodiment
A kind of manual rotation cutter of the present invention, as shown in Figure 1, including jacking mechanism 1, cutter frame mechanism 2, front clamp body
3, rear clamping body 4 and pedestal 5；
As shown in Fig. 2, jacking mechanism 1 includes jacking mechanism seat 8, mandril 10, tightening nut 7, footstock 6 and handwheel；It holds out against
8 bottom of mechanism seat is support base, and the vertical fixed board in support base upper end is provided with location hole on riser；The side wall of mandril 10 is processed
There are external screw thread, the front end of mandril 10 to be processed as hemispherical top, hemispherical top is that width is less than hemispherical with mandril junction
The rectangle positioning section of diameter is come directly towards, the rear end of mandril 10 is fixed with handwheel；Footstock 6 is the cylindrical member of one end open, 6 bottom surface of footstock
Outer surface is plane；
Tightening nut 7 is movably connected in the location hole of riser, is made the opposite riser shaft of tightening nut 7 to positioning, is freely turned
It is dynamic；Mandril 10 is threaded into tightening nut 7, and the inner cavity of footstock 6 is inserted into the hemispherical top of 10 front end of mandril, by footstock 6
U-shaped cover board is fixed in open end, and the rear end limit of hemispherical top, hemispherical top is made to have rotation space in 6 inner cavity of footstock；
As shown in figure 3, cutter frame mechanism 2 includes blanking cover 9, deep groove ball bearing 11, ring washer, thrust ball bearing 12, rotation
Frame 13, radial positioning device 15, expandable tool 16 and connector 14；
Swivel mount 13 is the columnar structured of both ends open, and the left end oral area embedded SMA actuators of swivel mount 13 have bearing installation
Slot, is sequentially loaded into thrust ball bearing 12 and deep groove ball bearing 11 in bearing mounting groove, the left lasso internal diameter of thrust ball bearing 12 with
The outer ring internal diameter of deep groove ball bearing 11 matches；The left set ring outer wall of thrust ball bearing 12 is contacted with the inner wall of bearing mounting groove,
The right set ring outer wall of thrust ball bearing 12 is not contacted with the inner wall of bearing mounting groove；Deep groove ball bearing 11 is by being socketed ring washer
With bearing mounting groove radial positioning；The left end of swivel mount 13 encapsulates thrust ball bearing 12 and depth by the blanking cover 9 of annular harden structure
Ditch ball bearing 11, and make thrust ball bearing 12 and deep groove ball bearing 11 there are axial displacements in bearing mounting groove；
Multiple radial positioning devices 15 of circumference uniform distribution, each radial positioning dress are fixed at the right end outer rim of swivel mount 13
It sets 15 to be made of positioning tube, adjusting rod and idler wheel, positioning tube is threadedly coupled adjusting rod, adjusting rod lower end by radial threaded hole
Connect idler wheel；
The right end sidewalls of swivel mount 13 are provided with feed window, and expandable tool 16 is mounted on the feed window of 13 side wall of swivel mount
At mouthful；
The left end of connector 14 is the bearing locating slot to match with shape in thrust ball bearing 12 and deep groove ball bearing 11, even
The right end of junctor 14 is the internal thread connector sleeve to match with ammunition front end to be cut external screw thread；
The expandable tool 16 is connect by the positioning slot hole of axial aperture with swivel mount 13, and the axial direction of cutter 16 is made
Position is adjustable.
As shown in figure 4, the expandable tool 16 include cutter 17, tool-post structure 18, broaching tool sliding block 19, gland 20 and into
Knife bar 21；Tool-post structure 18 is the cylindrical member of one end open, and the blind end of tool-post structure 18 is provided with the edge of a knife, and the inner cavity of tool-post structure 18 is square
Tee section；The shape of broaching tool sliding block 19 and the interior shape of 18 inner cavity of tool-post structure match, the front end fixed cutting tool 17 of broaching tool sliding block 19,
The rear end of broaching tool sliding block 19 is provided with threaded hole；21 front end side wall of feed rod is machined with external screw thread, and the back segment side wall of feed rod 21 adds
Work has annular positioning groove, the rear end end of feed rod 21 to be machined with knob；It is provided on gland 20 and 21 annular positioning groove of feed rod
The U-shaped slot hole that outer diameter matches, feed rod 21 by annular positioning groove be inserted into gland 20 U-shaped slot hole in, make feed rod 21 with
The nose threads of 20 axially position of gland, feed rod 21 screw in the threaded hole of 19 rear end of broaching tool sliding block；Gland 20 and tool-post structure
18 open end is fixed, and feed rod 21, broaching tool sliding block 19 and cutter 17 is made to be encapsulated in tool-post structure 18, and the front end of cutter 17 is from knife
The knife-edge part of 18 blind end of frame body stretches out；By rotating feed rod 21, keep broaching tool sliding block 19 sliding before and after the inner cavity of tool-post structure 18
It is dynamic, and then adjust the length that 18 blind end knife-edge part of tool-post structure is stretched out in 17 front end of cutter.
Jacking mechanism 1 is fixed on the left side of 5 upper surface of pedestal, front clamp body 3 and rear clamping body 4 by jacking mechanism seat 8
It is separately fixed at the middle part and right side of 5 upper surface of pedestal；The nose threads of ammunition to be cut screw in the interior spiral shell of 14 right end of connector
In line connector sleeve；The left end of connector 14 is inserted into the swivel mount 13 of cutter frame mechanism 2；The side wall of ammunition to be cut passes through front clamp
Body 3 and the support of 4 horizontal-clamping of rear clamping body；The tightening nut 7 for rotating jacking mechanism 1, makes 10 brought forward footstock 6 of mandril press closer
The left end of cutter frame mechanism 2；Cutter frame mechanism 2, to one side compression of ammunition to be cut, makes 14 left end of connector under the promotion of mandril 10
Bearing locating slot and thrust ball bearing 12 and 11 axial-radial of deep groove ball bearing coordinate, while making the cutter of expandable tool 16
17 with the machining position axial alignment of ammunition to be cut；Idler wheel extension elongation is adjusted by the adjusting rod of radial positioning device 15, is made
The swivel mount 13 of cutter frame mechanism 2 is consistent with ammunition axis to be cut；By rotating the feed rod 21 of expandable tool 16, make cutter
17 front end feeds are to machining position；Mandril 10 and footstock 6 is driven to rotate by handwheel, footstock 6 drives cutter frame mechanism 2 by frictional force
The cutter 17 of rotation, cutter frame mechanism 2 cuts off the lead pad of ammunition to be cut in rotation process.
Claims (2)
1. a kind of manual rotation cutter, it is characterized in that：Including jacking mechanism, cutter frame mechanism, front clamp body, rear clamping body and platform
Seat；
Jacking mechanism includes jacking mechanism seat, mandril, tightening nut, footstock and handwheel；Jacking mechanism seat bottom is support base, branch
The vertical fixed board in seat upper end is supportted, location hole is provided on riser；The side wall of mandril is machined with external screw thread, and the front end of mandril is processed as
Hemispherical comes directly towards, hemispherical top and the rectangle positioning section that mandril junction is that width is less than that hemispherical comes directly towards diameter, mandril
Rear end is fixed with handwheel；Footstock is the cylindrical member of one end open, and footstock bottom surface outer surface is plane；
Tightening nut is movably connected in the location hole of riser, makes tightening nut with respect to riser shaft to positioning, be freely rotated；Mandril
It is threaded into tightening nut, the inner cavity of footstock is inserted into the hemispherical top of mandril front end, by fixing U-shaped lid in footstock open end
Plate makes the rear end limit of hemispherical top, hemispherical top have rotation space in footstock inner cavity；
Cutter frame mechanism includes blanking cover, deep groove ball bearing, ring washer, thrust ball bearing, swivel mount, radial positioning device, cutter
And connector；
Swivel mount is the columnar structured of both ends open, and the left end oral area embedded SMA actuators of swivel mount have bearing mounting groove, bearing peace
Thrust ball bearing and deep groove ball bearing, the outer ring of left the lasso internal diameter and deep groove ball bearing of thrust ball bearing are sequentially loaded into tankage
Internal diameter matches；The left set ring outer wall of thrust ball bearing is contacted with the inner wall of bearing mounting groove, outside the right lasso of thrust ball bearing
Wall is not contacted with the inner wall of bearing mounting groove；Deep groove ball bearing is by being socketed ring washer and bearing mounting groove radial positioning；Rotation
The left end of pivoted frame encapsulates thrust ball bearing and deep groove ball bearing by the blanking cover of annular harden structure, and makes thrust ball bearing and zanjon
There are axial displacements in bearing mounting groove for ball bearing；
Multiple radial positioning devices of circumference uniform distribution are fixed at the right end outer rim of swivel mount, each radial positioning device is by positioning
Cylinder, adjusting rod and idler wheel composition, positioning tube are threadedly coupled adjusting rod by radial threaded hole, and adjusting rod lower end connects idler wheel；
The right end sidewalls of swivel mount are provided with feed window, and Cutting tool installation manner is at the feed window of swivel mount side wall；
The left end of connector is the bearing locating slot to match with shape in thrust ball bearing and deep groove ball bearing, the right end of connector
For the internal thread connector sleeve to match with ammunition front end to be cut external screw thread；
The cutter is connect by the positioning slot hole of axial aperture with swivel mount, keeps the axial position of cutter adjustable；
Jacking mechanism is fixed on the left side of pedestal upper surface by jacking mechanism seat, and front clamp body and rear clamping body are separately fixed at
The middle part and right side of pedestal upper surface；The nose threads of ammunition to be cut screw in the internal thread connector sleeve of connector right end；Even
The left end of junctor is inserted into the swivel mount of cutter frame mechanism；The side wall of ammunition to be cut is pressed from both sides by front clamp body and rear clamping body level
Compact schemes；The tightening nut for rotating jacking mechanism, makes mandril brought forward footstock press closer the left end of cutter frame mechanism；Cutter frame mechanism exists
To one side compression of ammunition to be cut under the promotion of mandril, make the bearing locating slot and thrust ball bearing and deep-groove ball of connector left end
Bearing axial-radial coordinates, while making the cutter of cutter and the machining position axial alignment of ammunition to be cut；It is filled by radial positioning
The adjusting rod set adjusts idler wheel extension elongation, keeps the swivel mount of cutter frame mechanism consistent with ammunition axis to be cut；Pass through rotating knife
The feed rod of tool makes the feed of cutter front end to machining position；Mandril and footstock rotation, footstock is driven to pass through frictional force band by handwheel
Moving knife frame mechanism rotates, and the cutter of cutter frame mechanism cuts off the lead pad of ammunition to be cut in rotation process.
2. a kind of manual rotation cutter as described in claim 1, it is characterized in that：The positioning that the cutter passes through axial aperture
Slot hole is connect with swivel mount, keeps the axial position of cutter adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611040086.6A CN106670581B (en) | 2016-11-23 | 2016-11-23 | A kind of manual rotation cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611040086.6A CN106670581B (en) | 2016-11-23 | 2016-11-23 | A kind of manual rotation cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106670581A CN106670581A (en) | 2017-05-17 |
| CN106670581B true CN106670581B (en) | 2018-09-14 |
Family
ID=58867234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611040086.6A Expired - Fee Related CN106670581B (en) | 2016-11-23 | 2016-11-23 | A kind of manual rotation cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106670581B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347101A (en) * | 2018-12-21 | 2020-06-30 | 核动力运行研究所 | Take bellows connection pad and valve body seal welding on-line cutting instrument |
-
2016
- 2016-11-23 CN CN201611040086.6A patent/CN106670581B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106670581A (en) | 2017-05-17 |
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