CN109708540B

CN109708540B - Cartridge drawing and pouring machine

Info

Publication number: CN109708540B
Application number: CN201811612049.7A
Authority: CN
Inventors: 韩凯; 唐香珺; 赵芳; 闫云斌; 董海瑞; 张翼飞; 张莹莹; 刘亮
Original assignee: Army Engineering University of PLA
Current assignee: Army Engineering University of PLA
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2021-01-15
Anticipated expiration: 2038-12-27
Also published as: CN109708540A

Abstract

The invention discloses a cartridge drawing and pouring machine, which relates to the technical field of cartridge dismounting and pouring, and comprises a driving mechanism, a cylinder and a piston, wherein the driving mechanism reciprocates along a preset path; the clamping mechanism moves back and forth along a preset path by means of the driving mechanism and can automatically clamp and release the bullet barrel and topple the propellant powder in the bullet barrel at a preset position; the guiding mechanism is used for guiding the clamping mechanism and enabling the clamping mechanism to clamp the cartridge, the guiding mechanism is horizontally arranged, faces to the position right below the cartridge when the cartridge is released, faces to the inclined lower side when the propellant powder is poured, and the control mechanism is used for controlling the driving mechanism to move or stop. The technical problem of low manual drawing efficiency in the prior art is solved.

Description

Cartridge drawing and pouring machine

Technical Field

The invention relates to the technical field of explosive pouring by disassembling a cartridge, in particular to an explosive pouring machine by drawing a cartridge.

Background

The scrapped ammunition needs to be destroyed, one step of the process is to disassemble the cartridge and then pour out the propellant powder, the disassembly process is manually carried out by means of a simple tool in the past, no device can realize automatic drawing and disassembly, namely, the drawing is to draw and disassemble one end of the cartridge with a case withdrawing groove and one end of a bullet, and the propellant powder in the cartridge can be poured out after the disassembly is finished.

Disclosure of Invention

The invention aims to provide a cartridge drawing and pouring machine, which solves the technical problem of low manual drawing efficiency in the prior art.

In order to solve the problems, the technical scheme adopted by the invention is to provide a cartridge drawing and pouring machine which comprises a driving mechanism, a medicine pouring mechanism and a medicine pouring mechanism, wherein the driving mechanism reciprocates along a preset path;

the clamping mechanism moves back and forth along a preset path by means of the driving mechanism and can automatically clamp and release the bullet barrel and topple the propellant powder in the bullet barrel at a preset position;

the guiding mechanism is used for guiding the clamping mechanism and enabling the clamping mechanism to be horizontally arranged when clamping the cartridge, the guiding mechanism faces to the right lower side when releasing the cartridge, and faces to the oblique lower side when dumping the propellant powder in the cartridge;

and the control mechanism is used for controlling the driving mechanism to move or stop.

Preferably, the driving mechanism is a hydraulic cylinder.

Preferably, fixture includes hinged-support, with hinged-support fixed connection's mandrel, slides and locates draw claw seat, one end rotation connection on the mandrel draw claw seat and draw two of the relative setting of claw face draw claw, locate draw the first pressure spring in the inside aperture of claw seat and connect the steel ball in the first pressure spring outside, locate the convex part on the mandrel, locate draw second pressure spring between claw seat and the hinged-support, the thrust of second pressure spring is greater than the thrust of first pressure spring, the steel ball promotes two and draws the claw to open under the promotion of first pressure spring, the second pressure spring makes to draw the claw to touch the convex part through pushing up and realizes the closure.

Preferably, the clamping mechanism further comprises a pull-back mechanism which pulls the pull claw seat to enable the pull claw to be separated from the contact convex part, so that the pull claw is opened under the pushing of the steel ball, the pull-back mechanism acts by means of a stop lever at a preset position, the clamping ends of the two pull claws are slope-shaped arc-shaped clamping plates, and the arc-shaped clamping plates are used for clamping the shell withdrawing groove of the cartridge.

Preferably, the pull-back mechanism is a lever with the middle part rotatably connected with the hinged support, one end of the lever is an upward section used for being touched with the stop lever, and the other end of the lever is a downward section used for pulling the pull claw seat by means of the connecting rod.

Preferably, guiding mechanism includes the footstock that pushes away that rotates to be connected with the hinged-support, is used for holding the hydraulic cylinder seat that pushes away the footstock, locates the transposition support of hydraulic cylinder seat lateral part, locates lower guide rail groove on the transposition support, locates first leading wheel on the hinged-support, is used for supporting the direction support that first leading wheel kept mandrel horizontality, and when first leading wheel was followed the direction support landing, the hinged-support rotates and makes the mandrel towards when just releasing the cylinder downwards first leading wheel enters into down the guide rail inslot, the pin is located transposition support department, the rotation of section through the hinged-support of raising upward touches at the in-process that the pneumatic cylinder moved back the pin.

Preferably, the top pushing seat is further provided with a second guide wheel, and the transposition support is further provided with an upper guide rail groove for supporting the second guide wheel.

Preferably, the top pushing seat is U-shaped, the hinged support is rotatably connected with two side plates of the top pushing seat, a lower brass block is arranged at the bottom of the hinged support and is matched with the two side plates of the top pushing seat to limit the rotating angle of the hinged support.

Preferably, the hinged support comprises a buffering surface matched with the stop lever, an upper brass block is arranged at the end of the buffering surface, and the mandrel is horizontal when the upper brass block is contacted with the bottom end of the stop lever.

Preferably, control mechanism includes the controller that is connected with the pneumatic cylinder electricity, the first sensor, second sensor and the third sensor that are connected with the controller electricity, locate on pushing away the footstock be used for with the first magnet of first sensor and second sensor response, locate be used for with the second magnet of third sensor response on the buffering face, when the withdrawal groove of drawing the claw to block the cartridge case first magnet and first sensor response, first magnet and second sensor response when drawing the claw and releasing the cartridge case, work as when the buffering face overturns to the cartridge case and emptys the position of propellant powder when second magnet and third sensor response.

The automatic drawing device has the advantages that the automatic drawing device realizes the automatic drawing process of the cartridge, replaces manual operation, improves the working efficiency, enables the cartridge to be released downwards when releasing the cartridge, and is beneficial to collecting the cartridge.

Drawings

FIG. 1 is a schematic structural diagram of a drawing machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the clamping mechanism of FIG. 1;

FIG. 3 is a schematic structural view of the cartridge held by the holding mechanism;

FIG. 4 is a schematic view of the structure of FIG. 3 with the claw mount removed;

FIG. 5 is a side view of FIG. 4;

FIG. 6 is a schematic structural view of a plurality of drawing machines arranged side by side and a clamping mechanism in a pouring state;

FIG. 7 is a schematic structural view of a pull pawl;

FIG. 8 is a schematic view of the structure of the mandrel;

FIG. 9 is a schematic structural view of a pull pawl seat;

fig. 10 is a schematic structural diagram of fig. 9 from another view angle.

The hydraulic cylinder comprises a cylinder barrel 1, a cylinder barrel 2, a shell withdrawing groove 3, a hydraulic cylinder 4, a hinged support 5, a mandrel 6, a claw pulling seat 7, a claw pulling 8, a first pressure spring 9, a second pressure spring 10, a steel ball 11, a convex part 12, a stop lever 13, an arc-shaped clamping plate 14, a lever 15, a connecting rod 16, a pushing seat 17, a hydraulic cylinder seat 18, a transposition support 19, a lower guide rail groove 20, a first guide wheel 21, a guide support 22, a first sensor 23, a second sensor 24, a first magnet 25, a third sensor 26, an upper brass block 27, a lower brass block 28, a buffering surface 29, an upper guide rail groove 30 and a second guide wheel.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention is described in further detail below with reference to the following figures and specific examples:

referring to fig. 1 to 10, an embodiment of the present invention provides a cartridge drawing and pouring machine, including a driving mechanism, reciprocating along a predetermined path;

the clamping mechanism moves back and forth along a preset path by means of the driving mechanism and can automatically clamp and release the cartridge 1 and topple the propellant powder in the cartridge 1 at a preset position;

the guiding mechanism is used for guiding the clamping mechanism and enabling the clamping mechanism to be horizontally arranged when clamping the cartridge 1, the guiding mechanism faces to the right lower side when releasing the cartridge 1, and faces to the oblique lower side when pouring the propellant powder in the cartridge 1;

In the embodiment, the driving mechanism moves back and forth along a preset path to drive the clamping mechanism to also move back and forth, the clamping mechanism clamps the ejection slot 2 of the cartridge 1 when moving forward and pulls the ejection slot 2 when moving backward so as to pull and separate the ejection slot from the bullet part of the cartridge 1, the bullet part of the cartridge 1 is fixed by other mechanisms, the cartridge 1 is horizontally arranged when the clamping mechanism clamps the ejection slot 2, when the cartridge 1 is disassembled and the clamping mechanism rotates to a preset oblique lower explosive pouring position, the cartridge 1 can empty the propellant powder in the cartridge 1, the rotation process of the cartridge 1 from the horizontal direction to the oblique lower explosive pouring position is an explosive pouring process, when the explosive pouring position is reached, the driving mechanism needs to stop moving for a certain time to ensure that the propellant powder is poured, after the explosive pouring of the cartridge 1 is completed, the clamping mechanism continues to rotate to the vertical direction, the driving mechanism continuously retreats, the cartridge 1 reaches a preset releasing position, the clamping mechanism can release the cartridge 1 and release the cartridge downwards, the detached cartridge 1 is convenient to collect, and the control mechanism controls the movement direction of the driving mechanism or stops.

Further, the driving mechanism is a hydraulic cylinder 3. The hydraulic cylinder 3 is used as a driving mechanism, so that the movement is more stable, and the operability is high.

Further, the clamping mechanism comprises a hinged support 4, a mandrel 5 fixedly connected with the hinged support 4, a claw holder 6 arranged on the mandrel 5 in a sliding mode, two pull claws 7 with one ends rotatably connected with the claw holder 6 and the surfaces of the pull claws 7 arranged oppositely, a first pressure spring 8 arranged in a small hole in the claw holder 6, a steel ball 10 connected with the outer side of the first pressure spring 8, a convex part 11 arranged on the mandrel 5, and a second pressure spring 9 arranged between the claw holder 6 and the hinged support 4, wherein the thrust of the second pressure spring 9 is greater than that of the first pressure spring 8, the steel ball 10 pushes the two pull claws 7 to open under the pushing of the first pressure spring 8, and the second pressure spring 9 pushes the claw holder 6 to enable the pull claws 7 to touch the convex part 11 to realize closing.

Further, the clamping mechanism further comprises a pull-back mechanism which pulls the pull claw seat 6 to enable the pull claw 7 to be separated from the contact convex part 11, so that the pull claw 7 is opened under the pushing of the steel ball 10, the pull-back mechanism acts by means of a stop lever 12 at a preset position, the clamping ends of the two pull claws 7 are slope-shaped arc-shaped clamping plates 13, and the arc-shaped clamping plates 13 are used for clamping the shell withdrawing groove 2 of the cartridge case 1.

Further, the pull-back mechanism is a lever 14 with the middle part rotatably connected with the hinged support 4, one end of the lever 14 is a raising section used for being in contact with the stop lever 12, and the other end of the lever is a sinking section for pulling the pull claw seat 6 by means of the connecting rod 15.

In the present embodiment, a specific implementation form of the clamping mechanism is provided, specifically, since the draw claw seat 6 is slidably disposed on the mandrel 5, the mandrel 5 is slidably disposed with the draw claw seat 6 by passing through the opening of the draw claw seat 6, wherein two draw claws 7 are provided, and the same side ends of the two draw claws 7 are rotatably connected with the draw claw seat 6, and the opposite clamping surfaces of the two draw claws 7 are oppositely disposed, the opposite clamping or opening of the two draw claws 7 can be realized by the relative rotation of the two draw claws 7, in a general state, the two draw claws 7 are always in an opposite clamping state because of the pushing of the second pressure spring 9, the rear ends of the two draw claws 7 touch the convex part 11 under the pushing of the second pressure spring 9, so as to realize the opposite clamping, at this time, the pushing force of the first pressure spring 8 is not enough to make the draw claws 7 not touch the convex part 11, so that the clamping state is always maintained, when the pullback mechanism is touched, the stop lever 12 when moving, under the transmission of the pull-back mechanism, the pull claw seat 6 moves back, the second pressure spring 9 is further compressed, the rear end of the pull claw 7 leaves the convex part 11, after the pull claw is separated, the first pressure spring 8 is released, the steel ball 10 pushes the two pull claws 7 outwards through thrust force to rotate, so that the two pull claws 7 are opened, and when the pull-back mechanism is separated from the stop lever 12, the pull claw seat 6 resets under the thrust force of the second pressure spring 9 again, so that the pull claws 7 are kept in an opposite clamping state. And when the pulling claw 7 keeps the opposite clamping state, the opposite clamping force is realized through the elastic force, so the pulling claw 7 can be properly opened under the action of external force, when the pulling claw 7 touches the bottom of the cartridge 1 in the moving process, the end part of the pulling claw 7 is provided with a slope-shaped arc-shaped clamping plate 13, and under the guiding action of the slope, the shell withdrawing groove 2 can be clamped between the two arc-shaped clamping plates 13, so that the automatic clamping is realized.

Further, the present embodiment further provides a specific implementation manner of the pull-back mechanism, that is, the pull-back mechanism is a lever 14 whose middle part is rotatably connected with the hinged support 4, one end of the lever 14 is a raising section for touching the stop lever 12, and the other end is a sinking section for pulling the pull claw seat 6 by means of the connecting rod 15. When the lifting section touches the stop lever 12, the lever 14 rotates, and the sinking section drives the pull claw seat 6 to move, so that the pull-back effect is realized.

Further, the present embodiment provides an implementation manner of a guiding mechanism, specifically, the guiding mechanism includes a pushing base 16 rotatably connected to the hinged support 4, a hydraulic cylinder base 17 for accommodating the pushing base 16, an indexing support 18 disposed on a side portion of the hydraulic cylinder base 17, a lower guide groove 19 disposed on the indexing support 18, a first guide wheel 20 disposed on the hinged support 4, and a guide support 21 for supporting the first guide wheel 20 to keep the mandrel 5 in a horizontal state, when the first guide wheel 20 slides off the guide support 21, the hinged support 4 rotates to make the mandrel 5 face downward and release the cartridge, the first guide wheel 20 enters the lower guide groove 19, the blocking rod 12 is located at the indexing support 18, and the raising section contacts the blocking rod 12 through rotation of the hinged support 4 in a process of retracting the hydraulic cylinder 3.

This embodiment provides a specific embodiment of how to steer the mandrel 5, i.e. the gripper mechanism, the function of the guiding mechanism is that, as the hinged support 4 is rotatably connected with the ejector 16, the hinged support 4 can be rotated relative to the ejector 16, downward release when releasing the cartridge 1 is realized, and in order to ensure that the ejection slot 2 of the cartridge 1 is horizontally clamped into the pull claw 7, a guiding support 21 is provided for keeping the mandrel 5 in a horizontal state, horizontal movement is realized by means of the first guide wheel 20, and the lower guide track slot 19 is used for accommodating the first guide wheel 20 after steering the mandrel 5.

The specific implementation process is that firstly, the first guide wheel 20 is arranged on the guide support 21 and pushed by the hydraulic cylinder 3, the mandrel 5 moves in a horizontal state, when the mandrel moves to a preset position, the ejection groove 2 of the bomb tube 1 is clamped into the two pulling claws 7 to realize clamping, then the hydraulic cylinder 3 backs up to realize pulling, when the first guide wheel 20 slides down from the guide support 21, the mandrel 5 turns over to a explosive pouring position and pours the propellant powder, after the explosive pouring is finished, the mandrel 5 turns over to the vertical direction along with the backing-up of the hydraulic cylinder 3, the hydraulic cylinder 3 continues to move, the rising part of the lever 14 can touch the stop lever 12 to realize the release of the bomb tube 1, and when the first guide wheel 20 moves to the lower guide rail groove 19 to realize the homing of the clamping mechanism.

Further, because the hinged support 4 is to rotate relative to the ejector base 16, the ejector base 16 must be in a suspended state, that is, no other load bearing object can be provided on the bottom surface of the ejector base 16, otherwise, the rotation of the hinged support 4 is hindered, but the weight of the ejector base 16 in the suspended state is likely to bend the piston rod of the hydraulic cylinder, the indexing bracket 18 is provided, the ejector base 16 is further provided with a second guide wheel 30, the indexing bracket 18 is further provided with an upper guide rail groove 29 for supporting the second guide wheel 30, the upper guide rail groove 29 carries the second guide wheel 30, the second guide wheel 30 provides a sliding effect for the ejector base 16, and the upper guide rail groove 29 also provides a supporting effect.

Further, the ejector base 16 is U-shaped, the hinged support 4 is rotatably connected with two side plates of the ejector base 16, a lower brass block 27 is arranged at the bottom of the hinged support 4, and the lower brass block 27 is a lower limiting block which is matched with the two side plates of the ejector base 16 to limit the rotation angle of the hinged support 4.

This embodiment provides spacing effect, for release the cartridge in the vertical direction, hinged support 4's rotation limit is 90 degrees, just rotate to mandrel 5 and perpendicular with the ground promptly, then be the state of release cartridge 1 when perpendicular with the ground, the rotation process of pouring the medicine position to the below to one side from the level is the process of pouring the medicine, the fixture continues to rotate to vertical direction after pouring the transmission medicine, so for the restriction rotation inertia, lower brass 27 has been set up in hinged support 4's bottom, when mandrel 5 and perpendicular with the ground also is when hinged support 4 rotates 90 degrees, lower brass 27 just blocks in the lower part that pushes away footstock 16, has restricted hinged support 4's continuation rotation.

Further, the hinged support 4 comprises a buffer surface 28 matched with the stop rod 12, an upper brass block 26 is arranged at the end of the buffer surface 28, and the mandrel 5 is horizontal when the upper brass block 26 is contacted with the bottom end of the stop rod 12.

In this embodiment, since the buffering surface 28 is provided, when the first guide wheel 20 slides down from the guide support 21, since the buffering surface 28 is blocked by the stop rod 12, the hinge support 4 does not rotate 90 degrees instantaneously, since the buffering surface 28 is always in contact with the stop rod 12, the hinge support 4 can slowly rotate to the inclined lower explosive pouring position during the retreating of the ejector base 16, after the cartridge is poured and launched at the explosive pouring position, the hinge support continues to rotate until 90 degrees, when the rotation reaches 90 degrees, since the lower brass block 27 plays a limiting role, the hinge support 4 does not rotate any more, the hinge support 4 moves transversely under the pulling of the ejector base 16, during the transverse movement, the rising part of the lever 14 touches the stop rod 12, the vertically downward cartridge 1 is released, the processes of extracting, pouring and releasing of one cartridge 1 are completed, and when the cartridge 1 needs to be dismounted, the hinged support 4 is pushed again by the ejector 16, and during the pushing movement, which is a reverse process, the buffer surface 28 will rotate again under the block of the stop rod 12, when the upper brass block 26 at the end of the buffer surface 28 contacts the stop rod 12, the hinged support 4 just rotates to be horizontal, and the first guide wheel 20 just returns to the upper surface of the guide support 21, and the mandrel 5 is leveled again, so that the ejection slot 2 of the next cartridge 1 can be clamped.

Further, the present embodiment further provides an implementation manner of the control mechanism, specifically, the control mechanism includes a controller electrically connected to the hydraulic cylinder 3, a first sensor 22, a second sensor 23, and a third sensor 25 electrically connected to the controller, a first magnet 24 disposed on the pushing seat 16 and used for sensing the first sensor 22 and the second sensor 23, and a second magnet disposed on the buffering surface 28 and used for sensing the third sensor 25, where the first magnet 24 senses the first sensor 22 when the pulling claw 7 blocks the ejection slot 2 of the cartridge 1, the first magnet 24 senses the second sensor 23 when the pulling claw 7 releases the cartridge 1, and the second magnet senses the third sensor 25 when the buffering surface 28 is turned to a position where the cartridge dumps the propellant powder.

In the present embodiment, the hydraulic cylinder 3 is controlled by a controller, and the controller is used for receiving signals from the first sensor 22, the second sensor 23 and the third sensor 25, specifically, when the pulling claw 7 blocks the ejection slot 2 of the cartridge 1, the first magnet 24 is sensed by the first sensor 22, and at this time, the signal from the first sensor 22 is received, so that the hydraulic cylinder 3 stops for a moment, and then the direction is turned to move backwards, when the hinged support 4 rotates, the second magnet on the buffer surface 28 is sensed by the third sensor 25, the third sensor 25 transmits a signal to the controller, the controller controls the hydraulic cylinder 3 to stop for a while, and at this time, the cartridge 1 is in an inclined pouring state, so that sufficient pouring time is provided, as the hydraulic cylinder 3 continues to pull the rising part of the lever 14 to touch the stop lever 12, so as to release the cartridge 1, and when the continuous movement is performed, the first guide wheel 20 slides into the lower guide rail slot 19, when the first magnet 24 and the second sensor 23 are sensed, the second sensor 23 controls the hydraulic cylinder 3 to stop acting, and the clamping mechanism returns to the original position to finish the processes of bullet pulling, medicine pouring and releasing.

The automatic drawing device has the advantages that the automatic drawing device realizes the automatic drawing process of the cartridge, replaces manual operation, improves the working efficiency, enables the cartridge to be released downwards when releasing the cartridge, and is beneficial to the collection of the cartridge.

Claims

1. The cartridge drawing medicine pouring machine is characterized by comprising:

the driving mechanism moves back and forth along a preset path, and is a hydraulic cylinder;

the clamping mechanism moves back and forth along a preset path by means of a driving mechanism and can automatically clamp, release and dump the propellant powder in the cartridge at a preset position, and the clamping mechanism comprises a hinged support, a mandrel fixedly connected with the hinged support, a pull claw seat arranged on the mandrel in a sliding manner, two pull claws of which one ends are rotatably connected with the pull claw seat and the pull claw surfaces are arranged oppositely, a first pressure spring arranged in a small hole in the pull claw seat, a steel ball connected with the outer side of the first pressure spring, a convex part arranged on the mandrel, and a second pressure spring arranged between the pull claw seat and the hinged support, wherein the thrust of the second pressure spring is greater than that of the first pressure spring, the steel ball pushes the two pull claws to open under the pushing of the first pressure spring, and the second pressure spring pushes the pull claw seat to enable the pull claws to touch the convex part to close;

2. The machine for drawing and pouring explosive cartridge as claimed in claim 1, wherein said holding mechanism further comprises a drawing mechanism for drawing back the drawing claw base to separate the drawing claw from the contact convex part so as to open the drawing claw under the push of the steel ball, said drawing mechanism is operated by means of a stop lever at a preset position, the holding ends of two said drawing claws are slope-shaped arc-shaped clamping plates for clamping the ejection slot of the cartridge.

3. The machine for drawing and pouring explosive cartridge as claimed in claim 2, wherein the drawing mechanism is a lever with the middle part rotatably connected with the hinged support, one end of the lever is a raising section for contacting with the stop lever, and the other end is a sinking section for drawing the pull claw seat by means of the connecting rod.

4. The cartridge drawing and pouring machine according to claim 3, wherein the guiding mechanism comprises a top pushing base rotatably connected with the hinged support, a hydraulic cylinder base for accommodating the top pushing base, an indexing support arranged on the side of the hydraulic cylinder base, a lower guide rail groove arranged on the indexing support, a first guide wheel arranged on the hinged support, and a guiding support for supporting the first guide wheel to keep the mandrel in a horizontal state, when the first guide wheel slides off the guiding support, the hinged support rotates to enable the mandrel to face downwards and the first guide wheel enters the lower guide rail groove when the cartridge is released, the stop rod is positioned at the indexing support, and the raising section touches the stop rod through the rotation of the hinged support in the process of backward moving of the hydraulic cylinder.

5. The machine for drawing and pouring the cartridge according to claim 4, wherein the ejector base is further provided with a second guide wheel, and the indexing bracket is further provided with an upper guide rail groove for supporting the second guide wheel.

6. The cartridge drawing and pouring machine according to claim 5, wherein the ejector base is U-shaped, the hinged support is rotatably connected with two side plates of the ejector base, a lower brass block is arranged at the bottom of the hinged support, and the lower brass block is a lower limiting block which is matched with the two side plates of the ejector base to limit the rotation angle of the hinged support.

7. The cartridge drawing and medicine pouring machine according to claim 6, wherein the hinged support comprises a buffering surface matched with the stop lever, an upper brass block is arranged at the end of the buffering surface, and the mandrel is horizontal when the upper brass block is contacted with the bottom end of the stop lever.

8. The cartridge drawing and pouring machine according to claim 7, wherein the control mechanism comprises a controller electrically connected with the hydraulic cylinder, a first sensor, a second sensor and a third sensor electrically connected with the controller, a first magnet arranged on the ejector seat and used for sensing the first sensor and the second sensor, and a second magnet arranged on the buffer surface and used for sensing the third sensor, wherein the first magnet senses the first sensor when the pull claw clamps the ejection slot of the cartridge, the first magnet senses the second sensor when the pull claw releases the cartridge, and the second magnet senses the third sensor when the buffer surface overturns to the position where the cartridge pours the propellant powder.