CN113681073B - Groove pulling device for small-caliber rifling - Google Patents
Groove pulling device for small-caliber rifling Download PDFInfo
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- CN113681073B CN113681073B CN202110993315.0A CN202110993315A CN113681073B CN 113681073 B CN113681073 B CN 113681073B CN 202110993315 A CN202110993315 A CN 202110993315A CN 113681073 B CN113681073 B CN 113681073B
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- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 238000005520 cutting process Methods 0.000 claims abstract description 15
- 230000000670 limiting effect Effects 0.000 claims description 85
- 230000001681 protective effect Effects 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining 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
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- B23D37/00—Broaching machines or broaching devices
- B23D37/22—Broaching machines or broaching devices for special purposes
-
- 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
- B23D37/00—Broaching machines or broaching devices
- B23D37/02—Broaching machines with horizontally-arranged working tools
- B23D37/04—Broaching machines with horizontally-arranged working tools for broaching inner surfaces
-
- 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
- B23D41/00—Broaching machines or broaching devices characterised only by constructional features of particular parts
- B23D41/08—Broaching machines or broaching devices characterised only by constructional features of particular parts of drives; of control devices
-
- 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
- B23D43/00—Broaching tools
- B23D43/02—Broaching tools for cutting by rectilinear movement
- B23D43/04—Broaching tools for cutting by rectilinear movement having inserted cutting edges
-
- 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
- B23D43/00—Broaching tools
- B23D43/06—Broaching tools for cutting by rotational movement
-
- 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
- B23D43/00—Broaching tools
- B23D43/06—Broaching tools for cutting by rotational movement
- B23D2043/066—Broaching tools for cutting by rotational movement with cutters mounted internally
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Sawing (AREA)
Abstract
The invention discloses a small-caliber rifling groove pulling device, which comprises: base, propulsion mechanism, push rod, spacing and buffer unit, propulsion mechanism assembles on the top right side of base, the push rod assembles in propulsion mechanism's left side, spacing fixed mounting is on the top of base, and the top cup joints the outer wall at the base, buffer unit installs in the top left side of base still includes: the rotating mechanism is assembled at the left end of the push rod; the cutting mechanism is assembled at the left end of the rotating mechanism; and the rotating mechanism is assembled outside the rotating mechanism. This small-bore rifling groove pulling device, in-service use, can guarantee that the blade drives the blade and cuts out a plurality of equidistant heliciform rifling at barrel inner chamber, can change the blade according to different demands simultaneously to guarantee different production demands, can also fix and lock not unidimensional barrel, satisfied the barrel production demand of different models, improved the commonality of equipment.
Description
Technical Field
The invention relates to the technical field of machining equipment, in particular to a small-caliber rifling groove pulling device.
Background
The rifling, also called rifling, is an important step in rifling manufacture because its cross-sectional shape is similar to a windmill, also called windmill line, the rifling can be said to be the soul of a barrel, and the function of the rifling is to give the warhead the ability to rotate, so that the warhead can still maintain a given direction after being discharged from the bore;
the current stage draw groove instrument does not have a special draw groove instrument to small-bore rifling, and current cutting blade and advancing device are usually as an organic whole design moreover, can't change the cutting blade of different models according to the barrel bore, can't adjust equipment according to the rifling degree of depth that needs moreover, consequently to the commonality of different bore rifling lower, moreover, current equipment is in order to guarantee the stability of centre gripping barrel, and clamping part only is applicable to the barrel of a well bore, can't adjust to the barrel of different bore, based on above-mentioned problem, proposes a small-bore rifling draw groove device now.
Disclosure of Invention
The invention aims to provide a small-caliber rifling groove pulling device, which at least solves the problems that grooves cannot be pulled aiming at rifles with different diameters, cutting tools with different types cannot be replaced quickly, and gun barrels with different calibers cannot be clamped in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a small bore rifling groove set comprising: base, propulsion mechanism, push rod, spacing and buffer unit, propulsion mechanism assembles on the top right side of base, the push rod assembles in propulsion mechanism's left side, spacing fixed mounting is on the top of base, and the top cup joints the outer wall at the base, buffer unit installs in the top left side of base still includes:
the rotating mechanism is assembled at the left end of the push rod;
the cutting mechanism is assembled at the left end of the rotating mechanism;
a rotation mechanism assembled outside the rotation mechanism;
the locking mechanism is assembled at the left end of the rotating mechanism;
the rotation mechanism includes:
the second bracket is arranged at the rear side of the top end of the base;
the slideway is arranged on the outer wall of the second bracket;
the rack can slide up and down and is embedded in the inner cavity of the push rod;
one end of the second limiting rod is fixedly arranged at the top end of the rear side of the second limiting rod, and the other side of the second limiting rod penetrates through the inner cavity of the slideway;
the gear is arranged on the left side of the push rod through a bearing and is meshed with the rack, and when the push rod drives the rack and the gear to move leftwards, the second limiting rod is enabled to move downwards by utilizing the limiting effect of the slide rail on the second limiting rod, so that the gear rotates.
Preferably, the slideway is obliquely arranged from left to right upwards.
Preferably, the propulsion mechanism comprises: the first bracket is arranged on the right side of the top end of the base; the first motor is arranged on the right side of the first bracket; one end of the rotating roller is locked at the output end of the first motor through a coupler, and the other end of the rotating roller is arranged at the left side of the inner wall of the first bracket through a bearing; the chute is arranged on the outer wall of the rotary roller in a head-to-tail communicated mode; and one end of the first limiting rod is slidably embedded in the inner cavity of the chute, the other end of the first limiting rod is fixedly arranged on the right side of the bottom end of the push rod, the rotary roller is driven to rotate by the first motor, and the push rod is enabled to reciprocate left and right through the limiting action of the chute on the first limiting rod.
Preferably, the cutting mechanism includes: the cutter body is fixedly arranged on the left side of the gear; one end of the blade is embedded in the inner cavity of the blade body, and the other end of the blade extends out of the top end of the blade body; the number of the limiting columns is two, one end of each limiting column is symmetrically arranged at the rear side of the inner cavity of the cutter body, and the other end of each limiting column penetrates through and extends out of the outer wall of the cutter blade; a housing installed at a front side of the blade; the number of the through holes is two, the through holes are symmetrically formed in the outer wall of the shell respectively, and the outer walls of the limiting columns are embedded in the inner cavities of the two through holes respectively.
Preferably, the rotation mechanism includes: the third bracket is fixedly arranged at the top end of the base; the second motor is arranged at the top end of the left side of the third bracket; the first rotating rod is assembled on the right side of the third bracket, and one end of the first rotating rod is locked at the output end of the second motor through a coupler; one end of the second rotating rod is arranged at the other end of the first rotating rod through a pin shaft; the deflector rod is arranged on the right side of the third bracket through a pin shaft, and one end of the deflector rod is arranged on the other end of the second rotating rod through a pin shaft; the ratchet wheel is arranged on the right side of the third bracket through a bearing, the outer wall of the cutter body penetrates through a through hole in the middle of the ratchet wheel and extends out of the left side of the third bracket, the first rotating rod is driven to rotate through the second motor, and the ratchet wheel is driven by the other end of the shifting rod to intermittently and irreversibly rotate through the cooperation of the second rotating rod and the shifting rod.
Preferably, the locking mechanism includes: the protective shell is fixedly arranged on the left side of the ratchet wheel; the clamping assembly is assembled in the inner cavity of the protective shell; and the limiting assembly is assembled on the right side of the clamping assembly.
Preferably, the clamping assembly comprises: the number of the first limiting grooves is a plurality of the first limiting grooves which are respectively and equidistantly arranged in the inner cavity of the protective shell; one end of the pushing block is slidably embedded in the inner cavity of the first limit groove; the clamping block is fixedly arranged at the other end of the first limiting groove; one end of the limiting block is fixedly arranged on the right side of the pushing block.
Preferably, the limiting assembly includes: the turntable is rotatably assembled on the right side of the inner cavity of the protective shell; the number of the second limiting grooves is a plurality, the second limiting grooves are respectively and equidistantly arranged on the circumference of the turntable, and the outer walls of the limiting blocks are slidably embedded in the inner cavities of the second limiting grooves; the tooth block is arranged at the top end of the turntable; the fixed shell is arranged at the top end of the protective shell; one end of the screw rod is arranged at the rear side of the inner cavity of the fixed shell through a bearing, the other end of the screw rod extends out of the outer wall of the fixed shell, the screw rod is meshed with the tooth blocks, and when the screw rod rotates, the tooth blocks can drive the turntable to rotate, so that the second limiting groove is used for limiting the limiting block, and the push block and the clamping block simultaneously move inwards.
The small-caliber rifling groove pulling device provided by the invention has the beneficial effects that:
1. according to the invention, the rotating disc is driven to rotate by rotating the screw rod, so that the push block pushes the clamping block to move inwards by utilizing the limiting effect of the second limiting groove on the limiting block, thereby reducing the available inner wall of the through hole at the inner side of the locking mechanism, and in actual use, the barrels with different diameters can be clamped, thereby facilitating rifling and slot pulling on different barrels and improving the universality of equipment;
2. according to the invention, the shell can be opened by rotating the screw screwed in the inner cavity of the limiting column, so that the blade is separated from the limited state, the blade can be taken out forwards, the other blade is put in the inner cavity of the blade body, the through hole on the outer wall of the blade body is sleeved on the outer wall of the limiting column, the shell is reset, the screw is screwed in the inner cavity of the limiting column to fix the shell, and in actual use, the blades of different types can be detached and replaced, so that the requirements of barrels of different types can be met, and the adjustment can be carried out according to the rifling requirements of different depths;
3. according to the invention, the push rod is driven to reciprocate through the pushing mechanism, the rack moves up and down while moving left and right along with the push rod by utilizing the limiting function of the slide way, so that the driving gear drives the cutting mechanism to rotate, the first rotating rod is driven to rotate through the second motor, the ratchet wheel is intermittently rotated by utilizing the cooperation of the second rotating rod and the deflector rod, and the locking mechanism is further driven to intermittently rotate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of the invention at A;
FIG. 3 is a schematic view of a cutting mechanism according to the present invention;
FIG. 4 is a right side view of the rotary mechanism of the present invention;
FIG. 5 is a right side schematic view of the locking mechanism of the present invention;
fig. 6 is a right side cross-sectional view of the locking mechanism of the present invention.
In the figure: 1. the device comprises a base, 2, a propelling mechanism, 21, a first bracket, 22, a first motor, 23, a rotating roller, 24, a sliding groove, 25, a first limiting rod, 3, a push rod, 4, a limiting frame, 5, a rotating mechanism, 51, a second bracket, 52, a sliding way, 53, a rack, 54, a second limiting rod, 55, a gear, 6, a cutting mechanism, 61, a blade body, 62, a blade, 63, a limiting column, 64, a shell, 65, a through hole, 7, a rotating mechanism, 71, a third bracket, 72, a second motor, 73, a first rotating rod, 74, a second rotating rod, 75, a deflector rod, 76, a ratchet wheel, 8, a locking mechanism, 81, a protective shell, 82, a first limiting groove, 83, a push block, 84, a clamping block, 85, a limiting block, 86, a rotating disc, 87, a second limiting groove, 88, a tooth block, 89, a fixed shell, 810, a screw rod, 9 and a buffer part.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a small-bore rifling groove pulling device, including base 1, pushing mechanism 2, push rod 3, spacing 4 and buffer unit 9, pushing mechanism 2 assembles on the top right side of base 1, push rod 3 assembles on the left side of pushing mechanism 2, pushing mechanism 2 can promote push rod 3 left and right reciprocating motion, spacing 4 fixed mounting is at the top of base 1, and the top cup joints the outer wall at base 1, buffer unit 9 installs in the top left side of base 1, still include rotary mechanism 5, cutting mechanism 6, rotary mechanism 7, locking mechanism 8, rotary mechanism 5 assembles at the left end of push rod 3, cutting mechanism 6 assembles at the left end of rotary mechanism 5, rotary mechanism 7 assembles in the outside of rotary mechanism 5, locking mechanism 8 assembles at the left end of rotary mechanism 7;
the rotating mechanism 5 comprises a second bracket 51, a slide way 52, a rack 53, a second limiting rod 54 and a gear 55, wherein the second bracket 51 is arranged at the rear side of the top end of the base 1, the slide way 52 is arranged on the outer wall of the second bracket 51, the rack 53 can slide up and down and is embedded in the inner cavity of the push rod 3, one end of the second limiting rod 54 is fixedly arranged at the top end of the rear side of the second limiting rod 54, the other side of the second limiting rod penetrates through the inner cavity of the slide way 52, the gear 55 is arranged at the left side of the push rod 3 through a bearing and is meshed with the rack 53, and when the push rod 3 drives the rack 53 and the gear 55 to move leftwards, the limiting effect of the slide way 52 on the second limiting rod 54 is utilized, so that the second limiting rod 54 moves downwards, and the gear 55 rotates.
Preferably, the slideway 52 is inclined from left to right upwards, so as to ensure that the rack 53 moves leftwards and downwards at the same time, and vice versa.
As a preferred scheme, the propulsion mechanism 2 further comprises a first bracket 21, a first motor 22, a roller 23, a chute 24 and a first limiting rod 25, wherein the first bracket 21 is arranged on the right side of the top end of the base 1, the first motor 22 is arranged on the right side of the first bracket 21, one end of the roller 23 is locked at the output end of the first motor 22 through a coupler, the roller 23 can be driven to rotate by the first motor 22, the other end of the roller 23 is arranged on the left side of the inner wall of the first bracket 21 through a bearing, the chute 24 is arranged on the outer wall of the roller 23 in a head-to-tail communicating manner, one end of the first limiting rod 25 is slidably embedded in the inner cavity of the chute 24, the other end of the first limiting rod 25 is fixedly arranged on the right side of the bottom end of the push rod 3, the roller 23 is driven to rotate by the first motor 22, and the push rod 3 is enabled to reciprocate left and right through the limiting function of the chute 24 to the first limiting rod 25.
As a preferred scheme, still further, the cutting mechanism 6 includes blade 61, blade 62, spacing post 63, shell 64, through-hole 65, blade 61 fixed mounting is in the left side of gear 55, blade 62 one end is embedded in the inner chamber of blade 61, and the other end extends the top of blade 61, spacing post 63 quantity is two, one end symmetry respectively installs in the inner chamber rear side of blade 61, and the other end runs through and extends the outer wall of blade 62, utilize spacing post 63 to carry out spacing to blade 62, guarantee that blade 62 position is fixed, shell 64 installs in the front side of blade 61, the through-hole 65 quantity is two, set up in the outer wall of shell 64 respectively symmetrically, and the outer wall of two spacing posts 63 is embedded in the inner chamber of two through-holes 65 respectively, utilize the cooperation of shell 64 and spacing post 63, prevent that the blade from droing forward.
As a preferred scheme, the rotating mechanism 7 further comprises a third bracket 71, a second motor 72, a first rotating rod 73, a second rotating rod 74, a deflector rod 75 and a ratchet 76, wherein the third bracket 71 is fixedly arranged at the top end of the base 1, the second motor 72 is arranged at the left top end of the third bracket 71, the first rotating rod 73 is assembled at the right side of the third bracket 71, one end of the first rotating rod 73 is locked at the output end of the second motor 72 through a coupler, the second motor 72 can be ensured to drive the first rotating rod 73 to rotate clockwise, one end of the second rotating rod 74 is arranged at the other end of the first rotating rod 73 through a pin shaft, the deflector rod 75 is arranged at the right side of the third bracket 71 through a pin shaft, one end of the deflector rod is arranged at the other end of the second rotating rod 74 through a pin shaft, the ratchet 76 is arranged at the right side of the third bracket 71 through a bearing, the outer wall of the cutter body 61 penetrates through a through hole in the middle of the ratchet 76 and extends out of the left side of the third bracket 71, the first rotating rod 73 is driven by the second motor 72, and the ratchet 76 is intermittently and irreversibly rotated under the driving of the other end of the deflector rod 75 through the cooperation of the second rotating rod 74 and the deflector rod 75.
As a preferred scheme, still further, locking mechanism 8 includes protective housing 81, first spacing groove 82, push block 83, clamp splice 84, stopper 85, carousel 86, second spacing groove 87, tooth piece 88, fixed shell 89, screw 810, protective housing 81 fixed mounting is in the left side of ratchet 76, first spacing groove 82 quantity is a plurality of, the inner chamber of protective housing 81 is offered to the equidistance respectively, push block 83 one end slidable embedment is in the inner chamber of first spacing groove 82, clamp splice 84 fixed mounting is in the other end of first spacing groove 82, stopper 85 one end fixed mounting is in the right side of push block 83, carousel 86 rotatable assembly is on the inner chamber right side of protective housing 81, second spacing groove 87 quantity is a plurality of, respectively the equidistance is offered in the circumference of carousel 86, and the outer wall slidable embedment of stopper 85 is in the inner chamber of second spacing groove 87, when carousel 86 rotates, utilize the spacing effect of second spacing groove 87 to stopper 85, make push block 83 and clamp splice 84 together remove, the top in carousel 86 is installed on the top of fixed shell 89, the top of protective housing 81 is installed on the top of first spacing groove 82, the inner chamber 89 is installed on the inner chamber 89, the side of fixed shell 88 and the screw 88 is passed through the bearing mounting and the inner chamber 810 is rotated to the other end of fixed shell 88, thereby make the inner wall 88 and the mutual rotatory screw 88, and the opposite end can be rotated to the fixed screw 88, and the screw 88 is made simultaneously, and the screw is meshed.
The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.
Step one: before use, the gun barrel is clamped and fixed, the left end of the gun barrel extends into a middle through hole of the protective shell 81, the outer wall of the cutter body 61 is ensured to sequentially penetrate through the ratchet wheel 76, the third bracket 71, the protective shell 81 and the inner cavity of the gun barrel from right to left, the screw 810 is rotated, the screw 810 is meshed with the tooth block 88, the rotation of the screw 810 drives the turntable 86 to rotate together, the limiting effect of the second limiting groove 87 on the limiting block 85 is utilized, when the turntable 86 rotates, the plurality of limiting blocks 85 drive the push block 83 and the clamping block 84 to shrink inwards, and the gun barrel embedded in the inner side of the protective shell 81 is clamped for subsequent operation;
step two: taking down the screw tightly screwed in the inner cavity of the limit post 63, taking out the shell 64 forwards, putting the blade 62 which is adapted to the current gun barrel into the inner cavity of the blade body 61 from front to back, ensuring that the through hole of the blade 62 is sleeved on the outer wall of the limit post 63, putting the shell 64 backwards, ensuring that the through hole 65 is sleeved on the outer wall of the limit post 63, screwing the screw into the inner cavity of the limit post 63 again, fixing the shell 64, and fixing the blade 62;
step three: the first motor 22 and the third bracket 71 are started, the first motor 22 drives the rotary roller 23 to rotate, the first limiting rod 25 is driven to reciprocate left and right by utilizing the limiting action of the chute 24 on the first limiting rod 25, so that the push rod 3 and the cutter body 61 reciprocate left and right, the second limiting rod 54 is driven to reciprocate left and right by utilizing the limiting action of the chute 52, when the rack 53 and the second limiting rod 54 move rightwards, the rack 53 moves downwards simultaneously, and otherwise moves upwards, so that the rack 53 and the cutter body 61 are driven to rotate, the cutter body 61 moves leftwards to cut and rotates, the cutting path is guaranteed to be spiral, meanwhile, the second motor 72 is utilized to drive the first rotary rod 73 to rotate, and the ratchet 76 is driven to rotate by a fixed angle by utilizing the cooperation of the second rotary rod 74 and the deflector 75, so that the ratchet 76 can drive the barrel to rotate by a fixed angle after the cutter body 61 reciprocates once, the cutter body 61 is guaranteed to cut reciprocally;
in actual use, can guarantee that blade 61 drives blade 62 and cuts out the heliciform rifling of a plurality of equidistance at barrel inner chamber, can change blade 62 according to different demands simultaneously to guarantee different production demands, can also fix and lock not unidimensional barrel, satisfied the barrel production demand of different models, improved the commonality of equipment.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A small bore rifling groove set comprising: base (1), propulsion mechanism (2), push rod (3), spacing (4) and buffer unit (9), propulsion mechanism (2) assemble on the top right side of base (1), push rod (3) assemble in the left side of propulsion mechanism (2), spacing (4) fixed mounting is on the top of base (1), and the top cup joints the outer wall at base (1), buffer unit (9) are installed on the top left side of base (1), its characterized in that still includes:
the rotating mechanism (5) is assembled at the left end of the push rod (3);
a cutting mechanism (6) mounted at the left end of the rotating mechanism (5);
a rotation mechanism (7) which is assembled outside the rotation mechanism (5);
the locking mechanism (8) is assembled at the left end of the rotating mechanism (7);
the rotation mechanism (5) includes:
a second bracket (51) mounted on the rear side of the top end of the base (1);
a slideway (52) which is arranged on the outer wall of the second bracket (51);
the rack (53) can slide up and down and is embedded in the inner cavity of the push rod (3);
one end of the second limiting rod (54) is fixedly arranged at the top end of the rear side of the second limiting rod (54), and the other side of the second limiting rod penetrates through the inner cavity of the slideway (52);
the gear (55) is arranged on the left side of the push rod (3) through a bearing and is meshed with the rack (53), and when the push rod (3) drives the rack (53) and the gear (55) to move leftwards, the second limiting rod (54) is moved downwards by utilizing the limiting effect of the slideway (52) on the second limiting rod (54), so that the gear (55) is rotated.
2. A small bore rifling groove apparatus as claimed in claim 1, wherein: the slideway (52) is obliquely arranged from left to right upwards.
3. A small bore rifling groove apparatus as claimed in claim 1, wherein: the propulsion mechanism (2) comprises:
the first bracket (21) is arranged on the right side of the top end of the base (1);
a first motor (22) mounted on the right side of the first bracket (21);
one end of the rotating roller (23) is locked at the output end of the first motor (22) through a coupler, and the other end of the rotating roller is arranged at the left side of the inner wall of the first bracket (21) through a bearing;
a chute (24) which is communicated with each other end to end and is arranged on the outer wall of the rotary roller (23);
and one end of the first limiting rod (25) is slidably embedded in the inner cavity of the sliding groove (24), the other end of the first limiting rod is fixedly arranged on the right side of the bottom end of the push rod (3), the first motor (22) is used for driving the rotating roller (23) to rotate, and the push rod (3) is enabled to reciprocate left and right through the limiting effect of the sliding groove (24) on the first limiting rod (25).
4. A small bore rifling groove apparatus as claimed in claim 1, wherein: the cutting mechanism (6) comprises:
a blade (61) fixedly mounted on the left side of the gear (55);
a blade (62) with one end embedded in the inner cavity of the blade body (61) and the other end extending out of the top end of the blade body (61);
the number of the limiting columns (63) is two, one end of each limiting column is symmetrically arranged at the rear side of the inner cavity of the cutter body (61), and the other end of each limiting column penetrates through and extends out of the outer wall of the cutter blade (62);
a housing (64) mounted on the front side of the blade body (61);
the number of the through holes (65) is two, the through holes are symmetrically arranged on the outer wall of the shell (64), and the outer walls of the two limit posts (63) are respectively embedded in the inner cavities of the two through holes (65).
5. A small bore rifling groove apparatus as claimed in claim 1, wherein: the rotation mechanism (7) includes:
the third bracket (71) is fixedly arranged at the top end of the base (1);
a second motor (72) mounted on the left top end of the third bracket (71);
the first rotating rod (73) is assembled on the right side of the third bracket (71), and one end of the first rotating rod is locked at the output end of the second motor (72) through a coupler;
one end of the second rotating rod (74) is arranged at the other end of the first rotating rod (73) through a pin shaft;
the deflector rod (75) is arranged on the right side of the third bracket (71) through a pin shaft, and one end of the deflector rod is arranged on the other end of the second rotating rod (74) through a pin shaft;
the ratchet wheel (76) is arranged on the right side of the third bracket (71) through a bearing, the outer wall of the cutter body (61) penetrates through a through hole in the middle of the ratchet wheel (76) and extends out of the left side of the third bracket (71), the first rotating rod (73) is driven to rotate through the second motor (72), and the ratchet wheel (76) is driven by the other end of the deflector rod (75) to intermittently and irreversibly rotate through the cooperation of the second rotating rod (74) and the deflector rod (75).
6. A small bore rifling groove apparatus as claimed in claim 1, wherein: the locking mechanism (8) comprises:
a protective shell (81) fixedly mounted on the left side of the ratchet wheel (76);
the clamping assembly is assembled in the inner cavity of the protective shell (81);
and the limiting assembly is assembled on the right side of the clamping assembly.
7. A small bore rifling groove apparatus as claimed in claim 6, wherein: the clamping assembly includes:
the number of the first limiting grooves (82) is a plurality of the first limiting grooves which are respectively and equidistantly arranged in the inner cavity of the protective shell (81);
one end of the pushing block (83) is slidably embedded in the inner cavity of the first limit groove (82);
the clamping block (84) is fixedly arranged at the other end of the first limiting groove (82);
one end of the limiting block (85) is fixedly arranged on the right side of the pushing block (83).
8. A small bore rifling groove apparatus as claimed in claim 6, wherein: the spacing subassembly includes:
the turntable (86) is rotatably assembled on the right side of the inner cavity of the protective shell (81);
the number of the second limiting grooves (87) is a plurality, the second limiting grooves are respectively and equidistantly arranged on the circumference of the turntable (86), and the outer wall of the limiting block (85) is slidably embedded in the inner cavity of the second limiting groove (87);
a tooth block (88) mounted on the top end of the turntable (86);
a fixed case (89) mounted on the top end of the protective case (81);
screw rod (810), one end pass through the bearing install in the inner chamber rear side of fixed shell (89), and the outer wall of fixed shell (89) is extended to the other end, screw rod (810) with tooth piece (88) intermeshing makes tooth piece (88) can drive carousel (86) rotatory when screw rod (810) rotation to utilize spacing of second spacing groove (87) to stopper (85), make ejector pad (83) and clamp splice (84) inwards remove simultaneously.
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| CN202110993315.0A CN113681073B (en) | 2021-08-27 | 2021-08-27 | Groove pulling device for small-caliber rifling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110993315.0A CN113681073B (en) | 2021-08-27 | 2021-08-27 | Groove pulling device for small-caliber rifling |
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| CN113681073A CN113681073A (en) | 2021-11-23 |
| CN113681073B true CN113681073B (en) | 2024-03-29 |
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| CN116786892A (en) * | 2023-06-30 | 2023-09-22 | 西安昆仑工业（集团）有限责任公司 | Small-bore barrel high accuracy rifling broaching device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6408557B1 (en) * | 1999-09-16 | 2002-06-25 | Rheinmetall W & M Gmbh | Apparatus for producing rifling grooves in a weapon barrel |
| CN107363310A (en) * | 2017-08-23 | 2017-11-21 | 大连大学 | A CNC milling machine for gun barrel rifling |
| CN107962232A (en) * | 2017-12-29 | 2018-04-27 | 杭州凯和精工机械有限公司 | Numerical control rifling machine |
| CN111112737A (en) * | 2019-11-28 | 2020-05-08 | 西安昆仑工业（集团）有限责任公司 | Broaching tool for processing small-caliber gun body tube inner hole rifling |
-
2021
- 2021-08-27 CN CN202110993315.0A patent/CN113681073B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6408557B1 (en) * | 1999-09-16 | 2002-06-25 | Rheinmetall W & M Gmbh | Apparatus for producing rifling grooves in a weapon barrel |
| CN107363310A (en) * | 2017-08-23 | 2017-11-21 | 大连大学 | A CNC milling machine for gun barrel rifling |
| CN107962232A (en) * | 2017-12-29 | 2018-04-27 | 杭州凯和精工机械有限公司 | Numerical control rifling machine |
| CN111112737A (en) * | 2019-11-28 | 2020-05-08 | 西安昆仑工业（集团）有限责任公司 | Broaching tool for processing small-caliber gun body tube inner hole rifling |
Non-Patent Citations (1)
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| 利用普通拉床加工膛线的工艺装置;李勇怀;田先民;;新技术新工艺;20100725(第07期);全文 * |
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| CN113681073A (en) | 2021-11-23 |
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