CN211103212U - Rotary-barrel gun case spiral groove grinding device - Google Patents
Rotary-barrel gun case spiral groove grinding device Download PDFInfo
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- CN211103212U CN211103212U CN201921196765.1U CN201921196765U CN211103212U CN 211103212 U CN211103212 U CN 211103212U CN 201921196765 U CN201921196765 U CN 201921196765U CN 211103212 U CN211103212 U CN 211103212U
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- end cover
- rotating shaft
- hole
- spiral groove
- rear end
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Abstract
The utility model relates to a pipe rotating big gun case helicla flute grinder, this grinding rod make circumference and the compound motion of reciprocal sharp along big gun case helicla flute track, under the effect of grinding paste, the grinding rod can grind the uneven vestige that the processing cutter of helicla flute both sides left and flush. The device is applied to a spiral groove of a gun case, the spiral groove is ground until no tool trace exists on two sides, and a grinding rod can smoothly slide in the spiral groove. The defects caused by machining errors are eliminated by the method, so that the roller of the aerogun system locking machine can move smoothly in the spiral groove, and the aerogun system automatic machine can work smoothly.
Description
Technical Field
The utility model belongs to commentaries on classics pipe big gun case helicla flute field, concretely relates to commentaries on classics pipe aviation gun case helicla flute grinder and grinding method.
Background
At present, the spiral groove of the domestic revolving tube gun case has two processing modes, namely, the spiral insert is processed and fixed on the gun case through welding and screw fastening modes; secondly, the gun case with the spiral grooves is divided into two parts to be processed, half of the spiral grooves are symmetrically distributed on each part, and the two parts are connected together by using screws after the processing is finished, so that the butt joint of the spiral grooves is realized. The two spiral groove processing modes have the problem of butt joint precision with a gun case, and mainly comprise the following two points:
firstly, the method comprises the following steps: in the process of welding and fixing the insert, the welding deformation of the gun case is easily caused. In addition, certain deviation can also occur in the mounting process of screw fastening, and the deviation between the position of the screw insert and the position of the gun barrel is caused.
Secondly, the method comprises the following steps: the gun case is divided into two parts for processing, and in the connecting process, the butt joint part of the spiral groove is likely to have deviation, so that the butt joint part has uneven butt joint of the spiral groove surface.
The spiral groove of a novel rotary tube aerial gun and the gun box are integrally processed, and due to the limitation of a machine tool and cutters, the turning and transition part of the spiral groove of the gun box has errors during processing, the inside of the spiral groove also has a plurality of traces reserved for processing the cutters, and the processed spiral groove is inconsistent with the design requirement. When the locking machine moves at a high speed in the spiral groove, the retained trace can increase the rotation resistance of the automatic machine, and the rotation clamping phenomenon can occur in serious cases, so that the automatic machine can not work normally.
Disclosure of Invention
The utility model provides a technical problem be: the invention provides a grinding device for a spiral groove of a gun case, aiming at solving the problem of tool traces after the spiral groove of the gun case is processed.
The technical scheme of the utility model is that: a spiral groove grinding device for a gun case of a rotary-tube gun comprises a front end cover, a rotating shaft, a guide rail key, a rotating block, a grinding rod, a bearing, a rear end cover, a clamp and a crank; the front end cover and the rear end cover are connected through a rotating shaft, and the axes of the front end cover and the rear end cover are mutually overlapped; the rotating block is coaxially sleeved on the rotating shaft and is positioned between the front end cover and the rear end cover; the rotating shaft and the rotating block are circumferentially positioned through a guide rail key, and the guide rail key is fixedly connected to the rotating shaft; one end of the grinding rod is arranged in a hole formed in the rotating block, and the other end of the grinding rod is exposed out of the rotating block; the bearing is arranged in the middle of the rear end cover; the device is positioned in the gun case, wherein a front end cover and a rear end cover are fixedly connected with two ends of the gun case respectively, and a clamp is used for fixedly connecting the rear end cover and the gun case together; the crank is positioned outside the gun case and sleeved at one end of the rotating shaft close to the rear end cover; for driving the rotation shaft to rotate.
The utility model discloses a further technical scheme is: the whole rotating shaft is a cylindrical body, one end of the rotating shaft is in a two-step shape, the other end of the rotating shaft is in a multi-step shape, a key groove is formed in the side wall of the rotating shaft, and the guide rail key is fixedly connected into the key groove.
The utility model discloses a further technical scheme is: the front end cover is integrally disc-shaped, and the outer diameter of the front end cover is the same as the inner diameter of the front end of the gun case; a through hole is formed in the center of the disc, and the stepped small-diameter end of the rotating shaft is sleeved in the through hole and is in clearance fit with the through hole; the side wall of the disc is provided with a threaded hole, and the hole opening position of the threaded hole corresponds to the pin hole position of the corresponding mounting end of the gun case.
The utility model discloses a further technical scheme is that the whole discoid of rear end cap, disc center department open has the echelonment through-hole, and the bearing is installed in the echelonment through-hole, with rear end cap transition fit, the bearing middle part is passed to the one end of the rotation axis multiple step, and is clearance fit, and rear end cap edge has the chamfer, and chamfer size shape is the same with big gun case edge chamfer, and two chamfers constitute "Λ" type inclined plane, with the cooperation of the inside "Λ" type inclined plane of clamp 12, are convenient for fix big gun case and rear end cap through the clamp.
The utility model discloses a further technical scheme is: one end of the crank is provided with a handle, and the axis of the handle is vertical to the axis of the rod body; the other end is provided with a square hole which is inserted with the multi-step small-diameter end square shaft of the rotating shaft and is in clearance fit with the square hole.
The utility model discloses a further technical scheme is: the whole grinding rod is a stepped cylindrical body, wherein a rod body at one end is provided with threads, and the end of the rod body provided with the threads is positioned in the threaded hole of the rotating block and is in threaded connection.
The utility model discloses a further technical scheme is: the clamp is divided into an upper clamp ring and a lower clamp ring, one end of the upper clamp ring is connected with one end of the lower clamp ring through a clamp ring shaft, and the other end of the upper clamp ring is used for fixing the rear end cover with the tail end of the gun case through an inner hexagonal screw.
The utility model discloses a further technical scheme is: the whole rotating block is a cylindrical body, a through hole is formed in the center of the rotating block, and a key groove is formed in the through hole, so that the rotating block can move back and forth along a guide rail key on the rotating shaft; four planes are uniformly arranged on the side wall of the columnar body in the circumferential direction, and threaded holes matched with the grinding rods are processed on the planes; the rotating block receives the torque transmitted by the rotating shaft through the guide rail key and drives the grinding rod to reciprocate back and forth along the spiral groove of the gun case.
Effects of the invention
The technical effects of the utility model reside in that: the grinding device for the spiral groove of the gun case comprises a gun case screw, a front end cover, a rotating shaft, a guide rail key, a guide rail screw, a rotating block, a grinding rod, a bearing, a rear end cover, a clamp and a crank. The appearance structure of a grinding rod of the grinding device for the spiral groove of the gun box is consistent with that of a roller of the locking machine, the grinding rod performs circular and reciprocating linear combined motion along a track of the spiral groove of the gun box, and uneven traces left by processing cutters on two sides of the spiral groove can be ground and leveled by the grinding rod under the action of grinding paste. The device is applied to a spiral groove of a gun case, the spiral groove is ground until no tool trace exists on two sides, and a grinding rod can smoothly slide in the spiral groove. The defects caused by machining errors are eliminated by the method, so that the roller of the aerogun system locking machine can move smoothly in the spiral groove, and the aerogun system automatic machine can work smoothly.
In the use process of the later-stage aircraft gun system, the roller of the locking machine slides in the spiral groove, so that the friction collision between the roller of the locking machine and the non-flush trace in the spiral groove can be avoided, and the abrasion of the roller of the locking machine is effectively reduced. Meanwhile, as the movement of the roller of the locking machine in the spiral groove is carried out by the driving of the locking machine core body under the driving of the casing track, the abrasion of parts such as the locking machine core body, the casing and the like is reduced by using the grinding device of the spiral groove of the gun case, and the service life of the aerogun system is greatly prolonged.
Drawings
FIG. 1 is a general schematic diagram of the installation of a spiral groove grinding device and a gun box of a rotary tube gun.
Fig. 2 is a schematic view of a barrel spiral groove grinding device.
Figure 3 is a schematic view of a barrel helicoidal groove.
Fig. 4 shows a clip.
Figure 5 schematic view of a bolt of the gun case.
Fig. 6 is a schematic view of the front end cap.
FIG. 7 is a schematic view of the axis of rotation.
Figure 8 is a schematic view of a rail key.
Fig. 9 a schematic view of a guide rail screw.
Fig. 10 is a schematic diagram of a block.
FIG. 11 is a schematic view of a lapping rod.
Fig. 12 is a schematic view of the rear end cap.
Fig. 13 crank schematic.
Figure 14 is a top collar schematic view.
Figure 15 is a schematic view of the collar.
FIG. 16 is a schematic view of a collar shaft.
Figure 17 shows a schematic view of a hexagonal screw.
The gun barrel comprises a gun barrel 1, a gun barrel spiral groove grinding device 2, a gun barrel screw 3, a front end cover 4, a rotating shaft 5, a guide rail key 6, a guide rail screw 7, a rotating block 8, a grinding rod 9, a bearing 10, a rear end cover 11, a hoop 12, a crank 13, a gun barrel rear position shallow groove 14, a gun barrel spiral deep groove 15, an upper clamping ring 16, a lower clamping ring 17, a clamping ring shaft 18 and an inner hexagonal screw 19.
Detailed Description
Referring to fig. 1-17, the spiral groove grinding device for the gun case comprises a screw, a rotating shaft, a guide rail key, a rotating block, a grinding rod, a rear end cover, a front end cover and a crank. The rotating shaft penetrates through the interior of the gun case and is arranged between the front end cover and the rear end cover, and 2 screws penetrate through pin holes in two sides of the gun case and are connected with the front end cover, so that the front end cover and the gun case are fixed. The rear end cover is fixed with the tail end face of the gun case by a hoop. The middle part of the rear end cover is provided with a stepped hole, the bearing is arranged in the stepped hole and is in transition fit with the rear end cover, and the multi-stage end of the rotating shaft penetrates through the middle part of the bearing and is in clearance fit with the bearing.
The guide rail key is installed on the rotating shaft through a screw. The rotary block penetrates through a guide rail key of the rotary shaft through a key groove, and the grinding rod is arranged in a threaded hole in the rotary block through threads. Only one grinding rod is arranged in the device, four planes are machined on the side wall of the rotating block, threaded holes are machined in the planes, and the grinding rod is randomly screwed into one of the threaded holes.
The grinding device for the spiral groove of the gun barrel comprises a gun barrel screw 3, a front end cover 4, a rotating shaft 5, a guide rail key 6, a guide rail screw 7, a rotating block 8, a grinding rod 9, a bearing 10, a rear end cover 11, a clamp 12 and a crank 13; the front end cover 4 is arranged along the axis direction from the front end of the gun case 1, two pin holes on the front end cover 4 are aligned with the pin holes on two sides of the gun case, and the front end cover 4 is fixedly connected with the gun case 1 through gun case screws 3; the guide rail key 6 is installed on the side wall of the rotating shaft 5 through a guide rail screw 7; the rotating block 8 passes through the rotating shaft 5 and the guide rail key 6 along the key slot; one end of a rotating shaft 5 is inserted into a central hole of a front end cover along the axis direction from the rear end of the gun barrel, the other end of the rotating shaft 5 penetrates through a rear end cover 11 with a bearing 10 arranged in the middle, an upper clamping ring 16 and a lower clamping ring 17 of a clamping hoop 12 buckle the rear end cover 11 and the tail end face of the gun barrel together along the direction of a clamping hoop shaft 18, and an inner hexagonal screw 19 connects the upper clamping ring 16 and the lower clamping ring 17 together; a threaded hole is formed in the outer side of the rotating block 8, and one end of the grinding rod 9 rotates into the threaded hole of the rotating block 8 and is in threaded connection with the rotating block 8; the square inner hole at one end of the crank 13 is aligned with the square outer shaft at the other end of the rotating shaft 5.
The front end cover 4 is a disc-shaped steel piece in the whole shape, and the outer diameter of the front end cover is the same as the inner diameter of the front end of the gun case 1; a through hole is formed in the center of the front end cover, the inner diameter of the through hole is the same as the outer diameter of the rotating shaft 5 in basic size, and the through hole and the rotating shaft are installed in a clearance fit mode; two threaded holes are formed in the side wall of the front end cover and correspond to pin holes in two sides of the running box; a gun box screw 3 fixedly connects the front end cover and the pin holes on the two sides of the gun box after penetrating through the pin holes; the front end cap functions mainly to rotate the rotation shaft 5 along the central through hole.
The whole shape of the rotating shaft 5 is a step-shaped cylinder, a second-step-shaped end shaft of the rotating shaft penetrates through a central hole of the front end cover 4, and a multi-step-shaped end of the rotating shaft penetrates through an inner hole of a bearing 10 in the middle of the rear end cover 11; a key groove for installing the guide rail key 6 is formed in the middle of the side wall of the rotating shaft, 3 threaded holes are formed in the bottom of the key groove, and the guide rail key is fixed through a guide rail screw 7; the end head of the other end of the rotating shaft is in an outer square shape, is matched with a square inner hole at one end of the crank 13, and connects the crank with the rotating shaft; the effect of rotation axis is mainly rotatory along the barrel center, drives through guide rail key 6 and changes piece 8 and grinding rod 9 and rotate.
The guide rail key 6 is a common flat key with double round heads, three through holes are formed in the upper surface of the guide rail key, and a screw penetrates through the through holes to fix the guide rail key on the rotating shaft; the guide rail key is used for transmitting torque for the rotation of the rotary block 8, and simultaneously, plays a role in guiding the forward and backward movement of the rotary block.
The rotating block 8 is cylindrical, the top surfaces of four round parts are symmetrically cut off to form a plane at each part, and threaded holes matched with the grinding rods 9 are machined in the planes at four parts; the rotating block is provided with a through hole at the center, the inner diameter of the through hole is consistent with the outer diameter of the rotating shaft 5, a key groove is reserved in the through hole, the rotating block is mainly used for receiving the torque transmitted by the rotating shaft 5 through the guide rail key 6 and driving the grinding rod 9 to do reciprocating motion back and forth along the spiral groove of the gun case.
The grinding rod 9 is in a stepped cylinder shape, and the shape and the size of one end with larger external diameter are consistent with those of a roller of a locking machine of an aircraft gun system; the smaller end of the grinding rod is provided with a threaded rod, two sides of the threaded rod are symmetrically cut off, and the grinding rod can be conveniently screwed in and out by a wrench.
The clamp 12 is divided into an upper clamp ring 16 and a lower clamp ring 17, one end of the upper clamp ring and one end of the lower clamp ring are connected through a clamp ring shaft 18, and the other end of the upper clamp ring and the other end of the lower clamp ring fix the rear end cover 11 and the tail end of the gun barrel through an inner hexagonal screw 19.
An inner square hole is formed in one end of the crank 13 and can be connected with an outer square shaft at the other end of the rotating shaft in a matched mode; the other end is installed as a handheld part; the main function of the crank is to drive the rotating shaft to rotate.
The rear end cover 11 is integrally disc-shaped, chamfers are arranged at the edge, the size and the shape of each chamfer correspond to those of a gun barrel, the two chamfers form an Λ -shaped inclined surface which is matched with a Λ -shaped inclined surface in the hoop 12, so that the hoop 12 can fix the gun barrel and the rear end cover, a stepped through hole is formed in the middle of the rear end cover, the bearing 10 is installed in the stepped through hole and is in transition fit with the rear end cover, and the multi-step end of the rotating shaft 5 penetrates through the middle of the bearing 10 and is in clearance fit.
The invention relates to a grinding device for a spiral groove of a gun case, which comprises the following steps:
1. installing a front end cover 4 from the front end of the gun case 1 along the axis direction, aligning two through holes on the side wall of the front end cover 4 with pin holes on two sides of the gun case, and fixedly connecting the front end cover 4 with the gun case 1 by using gun case screws 3;
2. a guide key 6 is arranged on the side wall of the rotating shaft 5 through a guide screw 7; the rotating block 8 passes through the rotating shaft 5 and the guide rail key 6 along the key slot;
3. the rotary shaft 5 is inserted into a central hole of the front end cover 4 along the axial direction from the rear end of the gun barrel, the rear end cover 11 provided with the bearing 10 penetrates through one end of the rotary shaft 5 and is processed with a square outer shaft, the rear end cover 11 is buckled with the tail end face of the gun barrel by an upper clamping ring 16 and a lower clamping ring 17 of a clamping hoop 12 around a clamping hoop shaft 18, and the upper clamping ring 16 and the lower clamping ring 17 are connected together by an inner hexagonal screw 19;
4. the threaded end of the grinding rod 9 penetrates through an opening above the cannon box and is screwed into a threaded hole in the rotary block 8.
The process of grinding by using the grinding device of the invention is as follows:
referring to fig. 1, one side of a crank is defined as the rear side of the whole barrel spiral groove grinding device, and the larger opening side in the middle of the barrel is defined as the lower side; integrally fixing the mounted gun case grinding device and the gun case on a debugging frame used by an aerogun system, and initially mounting, rotating a grinding rod 9 to the bottommost part in a threaded hole of a rotating block 8; the crank 13 is rotated to enable the rotating block 8 to drive the grinding rod 9 to rotate along the rear shallow groove 14 of the gun box; after rotating for half a turn, the grinding rod 9 is positioned at the spiral deep groove 15 of the gun box; at the moment, the grinding rod 9 is gradually screwed out from the threaded hole of the rotating block 8 by a spanner until the grinding end of the grinding rod is positioned on the bottom surface of the spiral deep groove 15 of the gun case; after the grinding end of the grinding rod 9 is positioned in the gun case spiral deep groove 15, the gun case spiral deep groove 15 is coated with grinding paste.
The crank handle 13 is rotated to drive the rotating shaft 5 to rotate, the rotating shaft 5 further drives the rotating block 8 to rotate along the center of the rotating shaft, and meanwhile, as the grinding end of the grinding rod 9 is positioned at the deep groove 15 of the spiral groove of the gun box, the rotating block 8 drives the grinding rod 9 to do the resultant motion of circumference and reciprocating straight line along the track of the spiral groove of the gun box. The grinding rod moves in the spiral groove and continuously rubs the spiral groove under the action of grinding paste, so that the grinding effect is achieved, the tool trace in the spiral groove is eliminated, and the spiral groove is smooth.
Claims (8)
1. A spiral groove grinding device for a barrel gun box is characterized by comprising a front end cover (4), a rotating shaft (5), a guide rail key (6), a rotating block (8), a grinding rod (9), a bearing (10), a rear end cover (11), a clamp (12) and a crank (13); the front end cover (4) and the rear end cover (11) are connected through a rotating shaft (5), and the axes of the front end cover and the rear end cover are mutually overlapped; the rotating block (8) is coaxially sleeved on the rotating shaft (5) and is positioned between the front end cover (4) and the rear end cover (11); the rotating shaft (5) and the rotating block (8) are circumferentially positioned through a guide rail key (6), and the guide rail key (6) is fixedly connected to the rotating shaft (5); one end of the grinding rod (9) is arranged in a hole formed in the rotating block (8), and the other end of the grinding rod is exposed out of the rotating block (8); the bearing (10) is arranged in the middle of the rear end cover (11); the device is positioned in a gun case, wherein a front end cover (4) and a rear end cover (11) are fixedly connected with two ends of the gun case respectively, and a clamp (12) is used for fixedly connecting the rear end cover and the gun case together; the crank (13) is positioned outside the gun case and sleeved at one end of the rotating shaft (5) close to the rear end cover (11); used for driving the rotating shaft (5) to rotate.
2. The barrel screw groove grinding device for the barrel of the cannon according to claim 1, wherein the rotating shaft (5) is a cylindrical body as a whole, one end of the rotating shaft is a two-step shape, the other end of the rotating shaft is a multi-step shape, a key groove is formed on the side wall of the rotating shaft, and the guide rail key (6) is fixedly connected in the key groove.
3. The barrel spiral groove grinding device for a cannon as claimed in claim 1, wherein the front end cover (4) is generally disc-shaped and has the same outer diameter as the inner diameter of the front end of the cannon; a through hole is formed in the center of the disc, and the two-step small-diameter end of the rotating shaft (5) is sleeved in the through hole and is in clearance fit with the through hole; the side wall of the disc is provided with a threaded hole, and the hole opening position of the threaded hole corresponds to the pin hole position of the corresponding mounting end of the gun case.
4. The spiral groove grinding device for the barrel of the cannon as claimed in claim 1, wherein the rear end cover (11) is in a disc shape, a step-shaped through hole is formed in the center of the disc, the bearing (10) is installed in the step-shaped through hole and is in transition fit with the rear end cover, one end of the rotating shaft (5) in a multi-step shape penetrates through the middle of the bearing (10) and is in clearance fit with the bearing, a chamfer is formed at the edge of the rear end cover (11), the size and the shape of the chamfer are the same as those of the chamfer at the edge of the cannon, the two chamfers form an Λ -shaped inclined surface which is matched with a Λ -shaped inclined surface in the hoop (12), and the cannon and the rear end cover.
5. The barrel box spiral groove grinding device of the cannon of the rotary cannon according to claim 1, characterized in that one end of the crank (13) is provided with a handle, and the axis of the handle is vertical to the axis of the rod body; the other end is provided with a square hole which is inserted with the multi-step small-diameter end square shaft of the rotating shaft (5) and is in clearance fit.
6. A spiral groove grinding device for a barrel of a cannon according to claim 1 characterized in that the grinding rod (9) is a stepped cylinder in its entirety, wherein one end of the rod body is threaded, and the end of the threaded rod body is positioned in the threaded hole of the rotary block (8) and is connected by a screw.
7. The barrel screw groove grinding device for the cannon box of the barrel cannon according to the claim 1, characterized in that the clamp (12) is provided with an upper clamp ring (16) and a lower clamp ring (17), one end of the upper clamp ring (16) and one end of the lower clamp ring (17) are connected through a clamp ring shaft (18), and the other end of the upper clamp ring and the other end of the lower clamp ring fix the rear end cover (11) and the tail end of the cannon box through an inner hexagonal screw (19).
8. The barrel and barrel spiral groove grinding device of claim 1, wherein the rotating block (8) is a cylinder, a through hole is arranged at the center, and a key groove is arranged in the through hole, so that the rotating block can move back and forth along the guide rail key (6) on the rotating shaft (5); four planes are uniformly arranged on the side wall of the columnar body in the circumferential direction, and threaded holes matched with the grinding rods (9) are machined in the planes; the rotating block (8) receives the torque transmitted by the rotating shaft (5) through the guide rail key (6) and drives the grinding rod (9) to do reciprocating motion back and forth along the spiral groove of the gun case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921196765.1U CN211103212U (en) | 2019-07-29 | 2019-07-29 | Rotary-barrel gun case spiral groove grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921196765.1U CN211103212U (en) | 2019-07-29 | 2019-07-29 | Rotary-barrel gun case spiral groove grinding device |
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| Publication Number | Publication Date |
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| CN211103212U true CN211103212U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921196765.1U Active CN211103212U (en) | 2019-07-29 | 2019-07-29 | Rotary-barrel gun case spiral groove grinding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480462A (en) * | 2019-07-29 | 2019-11-22 | 西安昆仑工业（集团）有限责任公司 | A kind of gatling gun receiver helicla flute grinding device and grinding method |
-
2019
- 2019-07-29 CN CN201921196765.1U patent/CN211103212U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480462A (en) * | 2019-07-29 | 2019-11-22 | 西安昆仑工业（集团）有限责任公司 | A kind of gatling gun receiver helicla flute grinding device and grinding method |
| CN110480462B (en) * | 2019-07-29 | 2024-03-29 | 西安昆仑工业（集团）有限责任公司 | Grinding device and grinding method for spiral groove of rotary pipe gun box |
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