CN113251884B - Shell primer firing machine with noise reduction function - Google Patents
Shell primer firing machine with noise reduction function Download PDFInfo
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- CN113251884B CN113251884B CN202110585595.1A CN202110585595A CN113251884B CN 113251884 B CN113251884 B CN 113251884B CN 202110585595 A CN202110585595 A CN 202110585595A CN 113251884 B CN113251884 B CN 113251884B
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- 239000011425 bamboo Substances 0.000 description 6
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
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Abstract
The invention discloses a shell primer firing machine with a noise reduction function, which comprises a machine body, a transmission system, a feed-in and feed-out mechanism, a firing mechanism, a noise elimination mechanism and a control system, wherein the transmission system comprises a motor, a speed reducer, a first belt pulley, a belt, a second belt pulley and a main shaft. The automatic blind-fire automatic shooting device has the advantages of reducing noise, having the functions of automatic shooting and automatic de-shooting, realizing continuous shooting and having the function of automatic shutdown for blind fire.
Description
Technical Field
The invention belongs to the field of scrapped ammunition destruction, and particularly relates to a shell primer firing machine with a noise reduction function, which is suitable for firing a pressing-in primer of an empty cartridge case of a 37 mm-caliber shell and a screwing-in primer of which part is difficult to screw down.
Background
Ammunition is used as a terminal subsystem in weapon systems for directly accomplishing various combat missions, the important role in war is undoubted, and the status in the whole military equipment is obvious. However, since ammunition was available, disposal problems of spent ammunition occurred almost instantaneously. Due to the existence of the scrapped ammunition, on one hand, safety risks are brought to other ammunitions stored in a warehouse, and burning and explosion accidents are easy to happen; on the other hand, the storage space of the national defense warehouse is occupied, and military material turnover is not facilitated. Therefore, once the technical specifications of the ammunition reach the scrapping requirements, the destruction treatment needs to be organized immediately.
A large number of shells with the diameter of 37mm are stored in a current army warehouse, and the shells gradually enter a scrapping period and need to be destroyed according to the calculation of 15 years of the maximum storage life. For the cannonball, after the cannonball is pulled out, emptied and the like, the press-in primer and the partially screwed-down primer on the cannonball are difficult to decompose and disassemble and are often destroyed in a manual firing mode. In the manual percussion process, the operation efficiency is not high, the physical consumption is huge, most importantly, the noise pollution is serious, and the field test can reach more than 230 decibels. The working personnel are in the noise environment for a long time, and the physical and psychological health of the working personnel is seriously influenced.
Disclosure of Invention
The invention aims to provide a shell primer firing machine with a noise reduction function, which aims at solving the problems of serious noise pollution, low efficiency and the like of the current squadrons for destroying the press-in primer and the screw-in primer of shells with the diameter of 37mm, and can fire a large number of scrapped shells with the diameter of 37mm in the current squadrons in a relatively soft environment so as to ensure the physical and psychological health of operators. Meanwhile, the automatic blind-fire automatic trigger has the functions of automatic feeding and automatic withdrawing, can realize continuous triggering, has the function of automatically stopping the machine when the blind fire is extinguished, and improves the working efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a shell primer trigger with function of making an uproar is fallen, includes the lathe bed, still includes transmission system, transmission system includes the motor, the reduction gear, first belt pulley, the belt, second belt pulley and main shaft, the rotation axis of motor and the input shaft of reduction gear, the output shaft and the first belt pulley coupling of reduction gear, first belt pulley passes through the belt and is connected with the second belt pulley, second belt pulley and main shaft coupling, the main shaft passes through the bearing frame setting on the lathe bed, the second belt pulley outside is provided with the cam piece.
The utility model provides a shell primer trigger with function of making an uproar is fallen, still includes business turn over bullet mechanism, and business turn over bullet mechanism is including advancing the bullet frame, advancing the bullet wheel, going back the bullet wheel and going out the bullet frame, advances the bullet frame and goes out the bullet frame setting in the lathe bed both sides, advances the bullet wheel and goes back the bullet wheel cover and establish and fix on the main shaft, advances the bullet wheel and all be provided with the bayonet socket with going back the relative position on the bullet wheel.
A shell primer firing machine with noise reduction function, which also comprises a firing mechanism, wherein the firing mechanism comprises a firing pin, a firing pin seat, a firing pin body, a roller, a slide block, a firing pin spring, a reset spring, an adjusting handle and a cam piece,
the striker base is arranged in the bed body, the striker and the striker body are both arranged in the striker base, a retaining ring is arranged in the striker base, one end of the striker penetrates through the retaining ring and extends out of the striker base, the other end of the striker is connected with one end of the striker body, a reset spring sleeve is arranged on the striker, two ends of the reset spring sleeve respectively abut against the retaining ring and the end surface of the striker body, a slide block is fixedly sleeved on the striker body, one end of an adjusting handle is a closed end, the other end of the adjusting handle is an open end and is connected with the striker base through threads, a striker spring sleeve is arranged on the striker body, one end of the striker spring abuts against the slide block, the other end of the striker spring extends out of the striker base and extends into the adjusting handle and abuts against the inner wall of the closed end of the adjusting handle, a roller is arranged on the slide block and is positioned outside the striker base,
the cam piece includes fixed plate and pinion rack, and the fixed plate is coaxial and sets up the lateral surface at the second belt pulley with the second belt pulley, and the pinion rack sets up on the fixed plate, is provided with the rolling bent slope with the roller adaptation on the pinion rack.
The utility model provides a shell primer trigger with function of making an uproar falls, still includes noise elimination mechanism, and noise elimination mechanism is including connecting the swivel nut, a section of thick bamboo and a section of thick bamboo core of eliminating noise, and the connection swivel nut setting is in a section of thick bamboo one end of eliminating noise, and a section of thick bamboo core setting is at a section of thick bamboo inner wall of eliminating noise, is equipped with oily asbestos seal circle in the connection swivel nut, arranges sound absorbing material on the section of thick bamboo core inner wall.
A shell primer firing machine with a noise reduction function, and also comprises a control system, wherein the control system comprises a stop pin, a clutch baffle, a connecting rod, a travel switch, a control spring, a stop ring, a connecting column and a supporting rod,
the stop pin is arranged on the advancing spring wheel, the clutch baffle is arranged at the head end of the connecting rod through a torsional spring sleeve, the travel switch is arranged on the side of the clutch baffle, the tail end of the connecting rod is connected with the middle part of the supporting rod, a stop ring is fixedly sleeved at the middle part of the connecting rod, the control spring sleeve is arranged at the tail end of the connecting rod, two ends of the control spring respectively abut against the stop ring and the lathe bed, the top end of the supporting rod is connected with a silencing tube of the silencing mechanism, and the bottom end of the supporting rod is hinged with a connecting column fixed on the lathe bed.
An ejection spring plate is arranged between the advancing ejection wheel and the rear ejection wheel and close to the ejection frame.
Compared with the prior art, the invention has the following advantages and effects:
the invention is mainly used for firing the press-in primer of the empty cartridge case of the cannonball with the caliber of 37mm and the screw-in primer of which part is difficult to screw down. The machine can reduce noise, has the functions of automatic feeding and automatic retreating, can realize continuous percussion, and has the function of automatic shutdown for misfire.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the transmission structure of the present invention;
FIG. 3 is a schematic structural view of a bullet feeding and discharging mechanism;
FIG. 4 is a schematic structural view of a forward bullet wheel;
FIG. 5 is a schematic structural view of the firing mechanism;
FIG. 6 is a schematic structural view of the cam member;
FIG. 7 is a schematic structural view of the noise dampening mechanism;
fig. 8 is an electrical schematic of the present invention.
In the figure:
1-a lathe bed; 101-a bed head; 102-a bed frame; 103-bed tail; 104-a roller; 105-a protective plate;
2-a transmission system; 201-a motor; 202-a reducer; 203-a first pulley; 204-a belt; 205-a second pulley; 206-a main shaft;
3-a bullet inlet and outlet mechanism; 301-a feed frame; 302-advancing bullet wheel; 303-rear bouncing wheel; 304-a spring-out plate; 305-a knockout frame; 306-bayonet; 307-support rods;
4-a firing mechanism; 401-firing pin; 402-striker pads; 403-needle striking body; 404-a roller; 405-a slider; 406-striker spring; 407-reset spring; 408-adjusting handle; 409-a cam member; 4010-a retainer ring; 4011-threaded pin; 4091-a fixed plate; 4092-toothed plate; 4093-rolling curve slope; 4094-slope bottom; 4095-top of slope;
5-a silencing mechanism; 501-connecting a threaded sleeve; 502-a sound damping cylinder; 503-barrel core;
6-a control system; 601-stop pin; 602-clutch damper; 603-connecting rod; 604-a travel switch; 605-a control spring; 606-a baffle ring; 607-connecting column; 608-support rods; 609-console;
7-cartridge.
Detailed Description
The present invention will be described in further detail with reference to embodiments for facilitating understanding and implementation of the present invention by those of ordinary skill in the art, and it should be understood that the embodiments described herein are merely illustrative and explanatory of the present invention and are not restrictive thereof.
A shell primer trigger with noise reduction function has the functions of automatic feeding and automatic withdrawing, can realize continuous triggering, and has the function of automatic shutdown for misfire.
One, main structure
A shell primer firing machine with a noise reduction function comprises a machine body, a transmission system, a bullet inlet and outlet mechanism, a firing mechanism, a noise elimination mechanism and a control system, and the overall structure of the machine body is shown in figure 1.
Bed body
The bed body 1 comprises a bed head 101, a bed frame 102 and a bed tail 103 which are connected in sequence and are mainly used for installing other mechanisms and keeping the integrity of the whole machine. Four rollers 104 are arranged at the lower part of the bed 1, so that the position of the bed 1 can be conveniently selected. A protective plate 105 is mounted on the upper part of the bed head 101 to protect the personal safety of the operator.
(II) transmission system
The transmission system 2 includes a motor 201, a speed reducer 202, a first pulley 203, a belt 204, a second pulley 205, and a main shaft 206, as shown in fig. 2. The rotating shaft of the motor 201 is connected with the input shaft of the speed reducer 202, the output shaft of the speed reducer 202 is connected with the first belt pulley 203, the first belt pulley 203 is connected with the second belt pulley 205 through the belt 204, the second belt pulley 205 is connected with the main shaft 206, the main shaft 206 is arranged on the bed frame 102 through the bearing seat, the cam part 409 is arranged outside the second belt pulley 205, and the power of the motor 201 is transmitted to the first belt pulley 203, the belt 204 and the second belt pulley 205 after being reduced by the speed reducer 202. The second belt pulley 205 drives the main shaft 206 to rotate to make the bullet feeding and discharging mechanism act to complete the bullet feeding and bullet discharging, and drives the cam member 409 to rotate to complete the firing operation of the primer.
(III) bullet inlet and outlet mechanism
The in-out mechanism 3 comprises an in-out frame 301, an in-out wheel 302, an in-out wheel 303, an out-out spring plate 304 and an out-out frame 305,
the bullet inlet frame 301 and the bullet outlet frame 305 are arranged on two sides of the bed frame 102, the forward bullet wheel 302 and the backward bullet wheel 303 are sleeved and fixed on the main shaft 206, and bayonets 306 are arranged at opposite positions on the forward bullet wheel 302 and the backward bullet wheel 303. An ejection spring plate 304 is provided between the advancing roller 302 and the rear roller 303 near the ejection frame 305.
As shown in fig. 3. The bullet inlet frame 301 and the bullet outlet frame 305 are arranged on both sides of the bed frame 102, and can be folded to be attached to the bed at ordinary times, and are pulled up to be supported by the support rod 307 when in use. During operation, the bottom edge of the cartridge case 7 is placed on the cartridge feeding frame 301 towards the direction of the head of the bed, when the front cartridge feeding wheel 302 and the rear cartridge feeding wheel 303 are driven by the main shaft 206 to rotate, the cartridge case 7 is clamped into the corresponding bayonets of the front cartridge feeding wheel 302 and the rear cartridge feeding wheel 303 under the action of self gravity and rotates along with the front cartridge feeding wheel 302 and the rear cartridge feeding wheel 303, and the structures of the front cartridge feeding wheel 302 and the rear cartridge feeding wheel 303 are shown as 4. When the front feeding wheel 302 and the rear feeding wheel 303 drive the cartridge case 7 to rotate to the highest position, the trigger mechanism just acts to complete the trigger operation of the cartridge case primer. When the front feeding wheel 302 and the rear feeding wheel 303 drive the fired cartridge to rotate to the other side, the cartridge 7 is ejected out into the ejection rack 305 and slides into the cartridge receiving box along the ejection rack 305 by the action of the ejection spring plate 304. In this embodiment, 4 bayonets are uniformly distributed on the forward bullet wheel 302 and the backward bullet wheel 303, and the firing of 4 cartridges 7 can be completed by one rotation of the forward bullet wheel 302 and the backward bullet wheel 303. An ejection spring plate 304 is provided between the advancing roller 302 and the rear roller 303 near the ejection frame 305. When the cartridge 7 is rotated to the vicinity of the ejection rack 305 position, the ejection spring plate 304 ejects the cartridge 7 out of the bayonets of the forward ejection wheel 302 and the rearward ejection wheel 303.
(IV) firing mechanism
The firing mechanism 4 is mounted at the position of the bed head 101 and comprises a firing pin 401, a firing pin holder 402, a firing pin body 403, a roller 404, a slider 405, a firing pin spring 406, a return spring 407, an adjusting handle 408 and a cam member 409.
The needle striking base 402 is arranged at the head of the bed 101, the striking pin 401 and the striking pin body 403 are both arranged in the needle striking base 402, a retaining ring 4010 is arranged in the needle striking base 402, one end of the striking pin 401 penetrates through the retaining ring 4010 and extends out of the needle striking base 402, the other end of the striking pin 401 is connected with one end of the needle striking body 403, a reset spring 407 is sleeved on the striking pin 401, two ends of the reset spring respectively abut against the end surfaces of the retaining ring 4010 and the striking pin body 403, a sliding block 405 is sleeved and fixed on the needle striking body 403, the sliding block 405 is connected with the needle striking body 403 through a threaded pin 4011, one end of an adjusting handle 408 is a closed end, the other end of the adjusting handle 408 is an open end and is connected with the needle striking base 402 through threads, a striking spring 406 is sleeved on the needle striking body 403, one end of the striking spring 406 abuts against the sliding block 405, the other end of the striking spring 406 extends out of the needle striking base 402 into the adjusting handle 408 and abuts against the inner wall of the closed end of the adjusting handle 408, a roller 404 is arranged on the sliding block 405, and the roller 404 is located outside the needle striking base 402.
The cam part 409 comprises a fixing plate 4091 and a toothed plate 4092, the fixing plate 4091 is coaxial with the second belt pulley 205 and is arranged on the outer side surface of the second belt pulley 205, the toothed plate 4092 is arranged on the fixing plate 4091, a rolling curved slope 4093 matched with the roller 404 is arranged on the toothed plate 4092, the rolling curved slope 4093 is in a cross-sectional shape generated after the arc-shaped plate is cut off by a tangent plane, the tangent plane and the vertical plane of the center line of the cylinder where the arc-shaped plate is located form a set angle (smaller than 90 degrees), when the main shaft 206 rotates to drive the toothed plate 4092 to rotate, the rolling curved slope 4093 is always located on the same cylinder side surface, the part of the rolling curved slope 4093 close to the fixing plate 4091 is a slope bottom (4094), and the part far away from the fixing plate 4091 is a slope top 5.
When the toothed plate 4092 rotates under the driving of the main shaft 206, the roller 404 slides into the slope bottom of the rolling curved slope 4093, then rolls towards the slope top along the rolling curved slope 4093 until the roller 404 is separated from the toothed plate 4092, when the roller 404 rolls from the slope bottom to the slope top, the sliding block 405 is pushed (pushed leftwards in fig. 5), the striker spring 406 is compressed, when the roller 404 is separated from the toothed plate 4092, the sliding block 405 is not stressed, the striker spring 406 resets and pushes the sliding block 405 reversely (pushed rightwards in fig. 5), and then the striker body 403 and the striker 401 are pushed to fire the primer of the cartridge 7, and meanwhile, the reset spring 407 is compressed. After the firing, the reset spring 407 resets to push the striker body 403 to reset, and then the slider 405 and the roller 404 reset.
Through the degree of depth to adjusting handle 408 screw in head of a bed 101, the length of adjustment firing pin spring 406's the state that resets, and then the percussion force that produces when adjusting firing pin spring 406 and reseing, the percussion force size that the firing pin spring provided usually is under the prerequisite that can guarantee the primer and normally fire, and is more and less as good, and then punctures the primer easily too big, then can not guarantee reliable percussion primer too little.
(V) silencing mechanism
The silencing mechanism 5 is to utilize the sound absorption function of silencing material to make the noise transmitted along the pipeline attenuate with the distance, and the silencing mechanism comprises a connecting screw sleeve 501, a silencing barrel 502 and a barrel core 503, as shown in fig. 7. The connecting threaded sleeve 501 is arranged at one end of the silencing barrel 502, the barrel core 503 is arranged on the inner wall of the silencing barrel 502, an oil-immersed asbestos sealing ring is arranged in the connecting threaded sleeve 501, and air leakage at the interface of the opening of the cartridge 7 after entering the silencing barrel 502 is reduced. The sound absorption material glass fiber cotton is arranged on the inner wall of the cylinder core 503, when primer explosion sound waves enter the resistive noise elimination mechanism, a part of sound energy is rubbed in the glass fiber cotton and converted into heat energy to be dissipated, so that the sound waves passing through the noise elimination mechanism are greatly attenuated, and the effect of reducing high-frequency noise when the primer is fired is achieved.
(VI) control system
The control system 6 comprises a stop pin 601, a clutch baffle 602, a connecting rod 603, a travel switch 604, a control spring 605, a stop ring 606, a connecting column 607 and a support rod 608.
The stop pin 601 is arranged on the advancing spring wheel 302, the clutch baffle 602 is sleeved on the head end of the connecting rod 603 through a torsion spring, the travel switch 604 is arranged on the side of the clutch baffle 602, the tail end of the connecting rod 603 is connected or hinged with the middle part of the supporting rod 608, the middle part of the connecting rod 603 is sleeved and fixed with the stop ring 606, the control spring 605 is sleeved on the tail end of the connecting rod 603, two ends of the control spring 605 respectively abut against the stop ring 606 and the lathe bed 1, the top end of the supporting rod 608 is connected with the muffling cylinder 502 of the muffling mechanism, and the bottom end of the supporting rod 608 is hinged with the connecting column 607 fixed on the lathe bed 1.
The control system also comprises a three-phase power supply Q, wherein a stop switch ST, a starting button SQ, a travel switch 604, a fuse FR and a control coil of a contactor K are connected in series between two phase outputs of the three-phase power supply Q. The power input end of the motor is connected with a three-phase power supply Q through the switch part of the contactor K.
The three-phase power supply Q is switched on, the start button SQ is pressed, the stop switch ST bounces, the clutch baffle 602 does not contact the travel switch, the travel switch is closed, the control coil of the contactor K is electrified, the switch part of the contactor K is closed, the motor starts to rotate, and the three-phase power supply starts to work. The advancing bomb wheel 302 is provided with a stop pin 601, and the position of the stop pin 601 on the advancing bomb wheel 302 is shown in fig. 4. When the firing pin 401 strikes the bottom of the cartridge 7 to fire, the powder gas is ejected to push the muffling cylinder 502 to move outward (rightward in fig. 1), the supporting rod 608 is pushed to rotate clockwise around the connecting post 607, the connecting rod 603 is further pulled rightward, the control spring 605 is compressed, the clutch baffle 602 moves rightward along with the connecting rod 603, when the stop pin 601 on the forward pellet wheel 302 rotates, the clutch baffle 602 cannot be driven to rotate, the clutch baffle 602 cannot be pressed on the travel switch 604, the travel switch 604 is always kept in a closed state, the motor operates normally, the main shaft 206 drives the forward pellet wheel 302 and the backward pellet wheel 303 to continue rotating, after the powder gas is ejected, the connecting rod 603 moves leftward under the restoring force of the control spring 605, and the clutch baffle 602 returns to an initial position and is located on the rotating path of the stop pin 601. When the firing pin knocks the primer for misfire, the silencing mechanism is not operated, and thus no powder is conveyed to the support rod 608, the support rod 608 will not drive the connecting rod 603 rightwards, the clutch baffle 602 is located on the rotation path of the stop pin 601, when the forward bullet wheel 302 rotates to drive the stop pin 601 to rotate, the clutch baffle 602 is driven to rotate, the torsion spring is compressed, when the clutch baffle 602 rotates and presses the travel switch 604, the travel switch 604 is turned off, the control coil of the contactor K is powered off, the switch part of the contactor K is turned off, the motor is powered off and stops, and the automatic shutdown function for misfire is realized. When the normal operation needs to be recovered, the support rod 608 is pulled to drive the connecting rod 603 to move rightwards, so that the clutch baffle 602 is pulled to be rightwards separated from the rotation path of the baffle pin 601, the baffle pin 601 returns to the initial angle under the restoring force of the torsion spring, the support rod 608 is loosened, the connecting rod 603 moves leftwards under the restoring force of the control spring 605, and the clutch baffle 602 returns to the initial position and is positioned on the rotation path of the baffle pin 601 again. A shutdown switch ST and a start button SQ are provided on the console 609.
And after the work is finished, the control coil of the contactor K is powered off, the switching part of the contactor K is disconnected, the three-phase power supply Q (power supply switch) is disconnected, and the whole machine stops working.
It should be noted that the specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (4)
1. A shell primer firing machine with a noise reduction function comprises a machine body (1) and is characterized by further comprising a transmission system, wherein the transmission system comprises a motor (201), a speed reducer (202), a first belt pulley (203), a belt (204), a second belt pulley (205) and a spindle (206), a rotating shaft of the motor (201) is connected with an input shaft of the speed reducer (202), an output shaft of the speed reducer (202) is connected with the first belt pulley (203) in a shaft mode, the first belt pulley (203) is connected with the second belt pulley (205) through the belt (204), the second belt pulley (205) is connected with the spindle (206) in a shaft mode, the spindle (206) is arranged on the machine body through a bearing seat, a cam piece is arranged on the outer side of the second belt pulley (205), the second belt pulley (205) drives the spindle (206) to rotate on one hand, an in-out and out mechanism to act to finish bullet feeding and bullet withdrawing, and on the other hand drives the cam piece (409) to rotate, the firing operation of the primer is completed,
the automatic feeding and discharging device also comprises a feeding and discharging mechanism, the feeding and discharging mechanism comprises a feeding rack (301), a feeding elastic wheel (302), a rear elastic wheel (303) and a discharging rack (305), the feeding rack (301) and the discharging rack (305) are arranged on two sides of the machine body (1), the feeding elastic wheel (302) and the rear elastic wheel (303) are sleeved and fixed on the main shaft (206), bayonets (306) are arranged at opposite positions on the feeding elastic wheel (302) and the rear elastic wheel (303), a discharging elastic plate (304) is arranged between the feeding elastic wheel (302) and the rear elastic wheel (303) and close to the discharging rack (305),
during operation, the bottom edge of the cartridge case (7) is placed on the cartridge case inlet frame (301) towards the direction of a bed head, when the forward cartridge wheel (302) and the backward cartridge wheel (303) rotate under the driving of the main shaft (206), the cartridge case (7) is clamped into the corresponding bayonets of the forward cartridge wheel (302) and the backward cartridge wheel (303) under the action of self gravity and rotates along with the forward cartridge wheel (302) and the backward cartridge wheel (303), when the forward cartridge wheel (302) and the backward cartridge wheel (303) drive the cartridge case (7) to rotate to the highest position, the trigger mechanism just acts to complete the trigger operation of cartridge case primer, and when the forward cartridge wheel (302) and the backward cartridge wheel (303) drive the triggered cartridge case to rotate to the other side, the cartridge case (7) is ejected out under the action of the ejection spring plate (304), and enters the cartridge case outlet frame (305) to automatically slide into the cartridge case inlet box along with the cartridge case outlet frame (305).
2. The shell primer firing machine with the noise reduction function as claimed in claim 1, further comprising a firing mechanism, wherein the firing mechanism comprises a firing pin (401), a firing pin base (402), a firing pin body (403), a roller (404), a slide block (405), a firing pin spring (406), a return spring (407), an adjusting handle (408) and a cam member,
the needle striking base (402) is arranged on the lathe bed, the needle striking (401) and the needle striking body (403) are both arranged in the needle striking base (402), a retainer ring (4010) is arranged in the needle striking base (402), one end of the needle striking (401) penetrates through the retainer ring (4010) and extends out of the needle striking base (402), the other end of the needle striking (401) is connected with one end of the needle striking body (403), a reset spring (407) is sleeved on the needle striking (401), two ends of the reset spring respectively abut against the end faces of the retainer ring (4010) and the needle striking body (403), a sliding block (405) is sleeved and fixed on the needle striking body (403), one end of an adjusting handle (408) is a closed end, the other end of the adjusting handle (408) is an open end and is connected with the needle striking base (402) through threads, a needle striking spring (406) is sleeved on the needle striking base (403), one end of the needle striking spring (406) abuts against the sliding block (405), the other end of the needle striking spring (406) extends out of the needle striking spring (402) and extends into the adjusting handle (408) and abuts against the inner wall of the closed end of the adjusting handle (408), a roller (404) is arranged on the sliding block (405), the roller (404) is positioned outside the needle striking base (402),
the cam piece (409) comprises a fixing plate (4091) and a toothed plate (4092), the fixing plate (4091) and the second belt pulley (205) are coaxial and are arranged on the outer side surface of the second belt pulley (205), the toothed plate (4092) is arranged on the fixing plate (4091), and a rolling curved slope (4093) matched with the roller (404) is arranged on the toothed plate (4092).
3. The shell primer firing machine with the noise reduction function as claimed in claim 2, further comprising a noise elimination mechanism, wherein the noise elimination mechanism comprises a connecting threaded sleeve (501), a noise elimination barrel (502) and a barrel core (503), the connecting threaded sleeve (501) is arranged at one end of the noise elimination barrel (502), the barrel core (503) is arranged on the inner wall of the noise elimination barrel (502), an oil-immersed asbestos seal ring is arranged in the connecting threaded sleeve (501), and a sound absorption material is arranged on the inner wall of the barrel core (503).
4. The cannonball primer firing machine with the noise reduction function as claimed in claim 3, further comprising a control system, wherein the control system comprises a stop pin (601), a clutch baffle (602), a connecting rod (603), a travel switch (604), a control spring (605), a stop ring (606), a connecting column (607) and a support rod (608),
stop pin (601) sets up on advancing bullet wheel (302), clutch baffle (602) are established on connecting rod (603) head through the torsional spring cover, clutch baffle (602) side is provided with travel switch (604), the connecting rod (603) tail end is connected with the middle part of bracing piece (608), the cover is established at connecting rod (603) middle part and is fixed with fender ring (606), control spring (605) cover is established at connecting rod (603) tail end, control spring (605) both ends respectively with keep off ring (606) and lathe bed (1) counterbalance, bracing piece (608) top is connected with noise damping cylinder (502) of noise damping mechanism, the bottom of bracing piece (608) is articulated with spliced pole (607) of fixing on lathe bed (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110585595.1A CN113251884B (en) | 2021-05-27 | 2021-05-27 | Shell primer firing machine with noise reduction function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110585595.1A CN113251884B (en) | 2021-05-27 | 2021-05-27 | Shell primer firing machine with noise reduction function |
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| Publication Number | Publication Date |
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| CN113251884A CN113251884A (en) | 2021-08-13 |
| CN113251884B true CN113251884B (en) | 2022-09-16 |
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|---|---|---|---|---|
| JPH07208900A (en) * | 1994-01-14 | 1995-08-11 | Mitsubishi Heavy Ind Ltd | Sound-proof apparatus for explosive |
| CN104613835A (en) * | 2015-02-13 | 2015-05-13 | 中国人民解放军76318部队 | Primer firing gear |
| CN209945168U (en) * | 2019-01-24 | 2020-01-14 | 刘哲 | Civil explosive destroying device |
| CN111351410A (en) * | 2020-03-30 | 2020-06-30 | 北京圣非凡电子系统技术开发有限公司 | Percussion device for cartridge primer |
-
2021
- 2021-05-27 CN CN202110585595.1A patent/CN113251884B/en not_active Expired - Fee Related
Patent Citations (4)
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| JPH07208900A (en) * | 1994-01-14 | 1995-08-11 | Mitsubishi Heavy Ind Ltd | Sound-proof apparatus for explosive |
| CN104613835A (en) * | 2015-02-13 | 2015-05-13 | 中国人民解放军76318部队 | Primer firing gear |
| CN209945168U (en) * | 2019-01-24 | 2020-01-14 | 刘哲 | Civil explosive destroying device |
| CN111351410A (en) * | 2020-03-30 | 2020-06-30 | 北京圣非凡电子系统技术开发有限公司 | Percussion device for cartridge primer |
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| CN113251884A (en) | 2021-08-13 |
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