阅读说明：本技术 一种基于弹性顶针的发射机构 (Launching mechanism based on elastic thimble ) 是由 张东 梁庆铧 胡文博 肖徽腾 李萍 何梦笛 于 2020-12-28 设计创作，主要内容包括：本发明涉及发射机构技术领域,具体涉及一种基于弹性顶针的发射机构,包括顶板,顶板的底部固定连接有储存弹丸的储球仓,储球仓的出球处连接有顶针固定座,顶针固定座上设有出球通孔,顶针固定座内连接有发射管道,出球通孔与发射管道相通；储球仓内转动连接有拨盘,拨盘通过拨盘电机驱动,顶针固定座上设置有用于夹紧或松开进入发射管道的弹丸的限位夹具,发射管道的左右两侧对称设有开口,发射管道两侧的开口处均设有发射摩擦轮,发射摩擦轮通过无刷电机驱动,发射摩擦轮位于顶针固定座的前方。本发明能够对弹丸进行预置位,防止出现不可控的多发情况,从而实现可控的单发以及多球连发,并且能够提高整体的发射精度。(The invention relates to the technical field of launching mechanisms, in particular to a launching mechanism based on an elastic thimble, which comprises a top plate, wherein the bottom of the top plate is fixedly connected with a ball storage bin for storing balls, a ball outlet of the ball storage bin is connected with a thimble fixing seat, the thimble fixing seat is provided with a ball outlet through hole, a launching pipeline is connected in the thimble fixing seat, and the ball outlet through hole is communicated with the launching pipeline; the ball storage bin is rotatably connected with a drive plate, the drive plate is driven by a drive plate motor, the thimble fixing seat is provided with a limiting clamp used for clamping or loosening the shot entering the launching pipeline, the left side and the right side of the launching pipeline are symmetrically provided with openings, the openings on the two sides of the launching pipeline are both provided with launching friction wheels, the launching friction wheels are driven by a brushless motor, and the launching friction wheels are positioned in front of the thimble fixing seat. The invention can preset the position of the projectile and prevent the occurrence of uncontrollable multiple firing, thereby realizing controllable single firing and multiple continuous firing and improving the overall firing precision.)

1. The utility model provides an emission mechanism based on elasticity thimble which characterized in that: the shot storage device comprises a top plate, wherein the bottom of the top plate is fixedly connected with a shot storage bin for storing shots, a ball outlet of the shot storage bin is connected with a thimble fixing seat, the thimble fixing seat is provided with a ball outlet through hole, a launching pipeline is connected in the thimble fixing seat, and the ball outlet through hole is communicated with the launching pipeline; the ball storage bin is rotatably connected with a drive plate, the drive plate is driven by a drive plate motor, the thimble fixing seat is provided with a limiting clamp used for clamping or loosening the shot entering the launching pipeline, the left side and the right side of the launching pipeline are symmetrically provided with openings, the openings on the two sides of the launching pipeline are both provided with launching friction wheels, the launching friction wheels are driven by a brushless motor, and the launching friction wheels are positioned in front of the thimble fixing seat.

2. The launching mechanism based on the elastic thimble as claimed in claim 1, wherein: the ball storage bin comprises an upper ball storage cover and a lower ball storage seat, the upper ball storage cover and the lower ball storage seat are fixedly connected through screws, and the upper ball storage cover is fixed on the top plate through screws.

3. The launching mechanism based on the elastic thimble as claimed in claim 2, wherein: the drive plate is rotationally connected to the lower ball storage seat, the drive plate motor is fixedly connected to the upper ball storage cover, and an output shaft of the drive plate motor is connected to the drive plate through a flange.

4. The launching mechanism based on the elastic thimble as claimed in claim 1, wherein: the limiting clamp comprises an upper rotating shaft and a lower rotating shaft; the left side and the right side of the thimble fixing seat are symmetrically provided with upper through holes, the upper rotating shaft penetrates through the upper through holes on the left side and the right side and is connected to the thimble fixing seat, an upper limiting clamp is sleeved on the upper rotating shaft, and thrust bearings are sleeved on the left side and the right side of the upper limiting clamp; the left side and the right side of the thimble fixing seat are symmetrically provided with lower through holes, the lower rotating shaft penetrates through the lower through holes on the left side and the right side and is connected to the thimble fixing seat, the lower rotating shaft is sleeved with a lower limiting clamp, and the left side and the right side of the lower limiting clamp are sleeved with flange bearings.

5. The launching mechanism based on the elastic thimble as claimed in claim 4, wherein: incomplete gears are sleeved at the left end and the right end of the upper rotating shaft, and needle roller bearings are sleeved between the incomplete gears and the side walls of the thimble fixing seats; the left end and the right end of the lower rotating shaft are respectively sleeved with a lower incomplete gear, a needle bearing is sleeved between the lower incomplete gear and the side wall of the thimble fixing seat, and the upper incomplete gear is meshed with the lower incomplete gear.

6. The launching mechanism based on the elastic thimble as claimed in claim 4, wherein: the upper and lower bilateral symmetry of launching tube is equipped with the recess, goes up the spacing clamp and can be at the recess internal rotation of upside, and the lower spacing clamp can be at the recess internal rotation of downside, is equipped with open-top on the roof, is connected with reset spring on the roof, and the roof that goes up the spacing clamp passes the roof opening and is connected with reset spring.

7. The launching mechanism based on the elastic thimble as claimed in claim 1, wherein: the brushless motor is fixed on the top plate through screws, and the emission friction wheel is rotatably connected to the brushless motor.

8. The launching mechanism based on the elastic thimble as claimed in claim 1, wherein: the launching pipeline is fixed on the top plate through a pipeline fixing piece, an annular groove is formed in the launching pipeline, the pipeline fixing piece is nested in the annular groove, and the pipeline fixing piece is fixed on the top plate through a screw.

9. The launching mechanism based on the elastic thimble as claimed in claim 1, wherein: the supporting seat is arranged below the thimble fixing seat and fixed on the top plate through a connecting rod.

10. The launching mechanism based on the elastic thimble as claimed in claim 6, wherein: the number of reset springs is two, and the top of the upper limiting clamp is connected with the two reset springs.

Technical Field

The invention relates to the technical field of launching mechanisms, in particular to a launching mechanism based on an elastic thimble.

Background

At present, the common collision double-wheel launching mechanism is that a driving plate rotates to push a bullet to enter a launching pipeline. The contra-rotating friction wheel rotates at high speed under the action of the brushless motor, and the shot is ejected at high speed under the friction extrusion. Such a launching mechanism may enable controlled launching of a single sphere. But because launching tube is overlength, need store some shots in advance in launching tube, when the driver plate rotated and promoted the shot and get into launching tube, easily lead to the shot of prestoring in the launching tube to be pushed out, lead to controllable single shot to become uncontrollable and multiple, can seriously influence the transmission precision moreover.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention aims to: the utility model provides a launching mechanism based on elasticity thimble, this launching mechanism can carry out the preset position to the pellet to realize controllable single shot and many balls and send out in succession, and can improve holistic transmission precision.

In order to achieve the purpose, the invention adopts the following technical scheme:

a launching mechanism based on elastic thimbles comprises a top plate, wherein the bottom of the top plate is fixedly connected with a ball storage bin for storing balls, a ball outlet of the ball storage bin is connected with a thimbles fixing seat, the thimbles fixing seat is provided with ball outlet through holes, a launching pipeline is connected in the thimbles fixing seat, and the ball outlet through holes are communicated with the launching pipeline; the ball storage bin is rotatably connected with a drive plate, the drive plate is driven by a drive plate motor, the thimble fixing seat is provided with a limiting clamp used for clamping or loosening the shot entering the launching pipeline, the left side and the right side of the launching pipeline are symmetrically provided with openings, the openings on the two sides of the launching pipeline are both provided with launching friction wheels, the launching friction wheels are driven by a brushless motor, and the launching friction wheels are positioned in front of the thimble fixing seat.

Furthermore, the ball storage bin comprises an upper ball storage cover and a lower ball storage seat, the upper ball storage cover and the lower ball storage seat are fixedly connected through screws, and the upper ball storage cover is fixed on the top plate through screws.

Furthermore, a drive plate is rotatably connected to the lower ball storage seat, a drive plate motor is fixedly connected to the upper ball storage cover, and an output shaft of the drive plate motor is connected to the drive plate through a flange.

Furthermore, the limiting clamp comprises an upper rotating shaft and a lower rotating shaft; the left side and the right side of the thimble fixing seat are symmetrically provided with upper through holes, the upper rotating shaft penetrates through the upper through holes on the left side and the right side and is connected to the thimble fixing seat, an upper limiting clamp is sleeved on the upper rotating shaft, and thrust bearings are sleeved on the left side and the right side of the upper limiting clamp; the left side and the right side of the thimble fixing seat are symmetrically provided with lower through holes, the lower rotating shaft penetrates through the lower through holes on the left side and the right side and is connected to the thimble fixing seat, the lower rotating shaft is sleeved with a lower limiting clamp, and the left side and the right side of the lower limiting clamp are sleeved with flange bearings.

Furthermore, the left end and the right end of the upper rotating shaft are respectively sleeved with an incomplete gear, and a needle bearing is sleeved between the incomplete gear and the side wall of the thimble fixing seat; the left end and the right end of the lower rotating shaft are respectively sleeved with a lower incomplete gear, a needle bearing is sleeved between the lower incomplete gear and the side wall of the thimble fixing seat, and the upper incomplete gear is meshed with the lower incomplete gear.

Further, the upper side and the lower side of the emission pipeline are symmetrically provided with grooves, the upper limiting clamp can rotate in the grooves on the upper side, the lower limiting clamp can rotate in the grooves on the lower side, the top plate is provided with a top opening, the top plate is connected with a reset spring, and the top of the upper limiting clamp penetrates through the opening of the top plate to be connected with the reset spring.

Furthermore, the brushless motor is fixed on the top plate through screws, and the emission friction wheel is rotatably connected to the brushless motor.

Furthermore, the transmitting pipeline is fixed on the top plate through a pipeline fixing piece, an annular groove is formed in the transmitting pipeline, the pipeline fixing piece is nested in the annular groove, and the pipeline fixing piece is fixed on the top plate through screws.

Furthermore, a supporting seat is arranged below the thimble fixing seat and fixed on the top plate through a connecting rod.

Furthermore, the number of the return springs is two, and the top of the upper limiting clamp is connected with the two return springs.

In summary, the present invention has the following advantages:

the invention can preset the position of the projectile and prevent the occurrence of uncontrollable multiple firing, thereby realizing controllable single firing and multiple continuous firing and improving the overall firing precision. The invention has small integral mechanism volume and simple and reliable control.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic view of the internal structure of the present invention.

Fig. 4 is a schematic diagram of the internal top view structure of the present invention.

FIG. 5 is a schematic view of the connection structure of the thimble fixing base and the launching tube according to the present invention.

FIG. 6 is a schematic structural view of the needle holder according to the present invention.

Fig. 7 is a schematic structural view of an upper limit clamp and a lower limit clamp of the present invention.

Wherein: the device comprises a top plate 1, a top plate opening 1-1, a ball storage bin 2, an upper ball storage cover 2-1, a lower ball storage seat 2-2, a thimble fixing seat 3, a launching pipeline 4, an opening 4-1, a groove 4-2, an annular groove 4-3, a dial 5, a dial motor 6, a launching friction wheel 7, a brushless motor 8, a flange 9, an upper rotating shaft 10, an upper limiting clamp 11, a thrust bearing 12, a lower rotating shaft 13, a lower limiting clamp 14, a flange bearing 15, an upper incomplete gear 16, a lower incomplete gear 17, a needle bearing 18, a pipeline fixing part 19, a return spring 20, a supporting seat 21, a connecting rod 22 and a bullet 23.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 4, a launching mechanism based on an elastic thimble comprises a top plate, wherein a ball storage bin for storing balls is fixedly connected to the bottom of the top plate, a thimble fixing seat is connected to a ball outlet of the ball storage bin, a ball outlet through hole is formed in the thimble fixing seat, a launching pipeline is connected to the thimble fixing seat, and the ball outlet through hole is communicated with the launching pipeline; the ball storage bin is rotatably connected with a drive plate, the drive plate is driven by a drive plate motor, the thimble fixing seat is provided with a limiting clamp used for clamping or loosening the shot entering the launching pipeline, the left side and the right side of the launching pipeline are symmetrically provided with openings, the openings on the two sides of the launching pipeline are both provided with launching friction wheels, the launching friction wheels are driven by a brushless motor, and the launching friction wheels are positioned in front of the thimble fixing seat.

As shown in fig. 1 to 3, the ball storage bin comprises an upper ball storage cover and a lower ball storage seat, the upper ball storage cover and the lower ball storage seat are fixedly connected through screws, and the upper ball storage cover is fixed on the top plate through screws. The drive plate is rotationally connected to the lower ball storage seat, the drive plate motor is fixedly connected to the upper ball storage cover, and an output shaft of the drive plate motor is connected to the drive plate through a flange. An output shaft of the drive plate motor rotates to drive the drive plate to rotate, so that the shots in the ball storage bin are pushed into the thimble fixing seat.

As shown in fig. 5 to 7, the limiting clamp includes an upper rotating shaft and a lower rotating shaft; the left side and the right side of the thimble fixing seat are symmetrically provided with upper through holes, the upper rotating shaft penetrates through the upper through holes on the left side and the right side and is connected to the thimble fixing seat, an upper limiting clamp is sleeved on the upper rotating shaft, and thrust bearings are sleeved on the left side and the right side of the upper limiting clamp; the left side and the right side of the thimble fixing seat are symmetrically provided with lower through holes, the lower rotating shaft penetrates through the lower through holes on the left side and the right side and is connected to the thimble fixing seat, the lower rotating shaft is sleeved with a lower limiting clamp, and the left side and the right side of the lower limiting clamp are sleeved with flange bearings. The upper limit clamp and the lower limit clamp are matched to clamp or loosen the shot entering the launching pipeline together. In the embodiment, the upper limiting clamp and the lower limiting clamp are designed according to the shape of the shot, so that the shot can be effectively wrapped, and the launching accuracy is improved.

As shown in fig. 5 to 7, the left and right ends of the upper rotating shaft are respectively sleeved with an incomplete gear, and a needle bearing is sleeved between the incomplete gear and the side wall of the thimble fixing seat; the left end and the right end of the lower rotating shaft are respectively sleeved with a lower incomplete gear, a needle bearing is sleeved between the lower incomplete gear and the side wall of the thimble fixing seat, the upper incomplete gear is meshed with the lower incomplete gear, namely the upper incomplete gear positioned on the same side is meshed with the lower incomplete gear, and the upper limiting clamp and the lower limiting clamp can be synchronously loosened or synchronously clamped through the meshing transmission of the upper incomplete gear and the lower incomplete gear.

As shown in fig. 1 and 5, the upper side and the lower side of the launching pipeline are symmetrically provided with grooves, the upper limiting clamp can rotate in the groove on the upper side, the lower limiting clamp can rotate in the groove on the lower side, the top plate is provided with a top opening, the top plate is connected with a return spring, and the top of the upper limiting clamp penetrates through the top plate opening to be connected with the return spring. In this embodiment, the number of the return springs is two, and the top of the upper limit clamp is connected to the two return springs. Rebound of the upper limiting clamp can be realized through the return spring.

As shown in fig. 1 and 4, the brushless motor is fixed to the top plate by screws, and the emission friction wheel is rotatably connected to the brushless motor. The brushless motor drives the launching friction wheels to rotate, the launching friction wheels on two sides of the launching pipeline rotate at a high speed under the drive of the brushless motor, the two launching friction wheels rotate in opposite directions, and the shot is launched at a high speed under the action of friction extrusion of the two launching friction wheels.

As shown in fig. 1 and 5, the launching tube is fixed on the top plate by a tube fixing member, an annular groove is formed on the launching tube, the tube fixing member is nested in the annular groove, and the tube fixing member is fixed on the top plate by a screw.

As shown in fig. 1 and 2, a supporting seat is arranged below the thimble fixing seat, and the supporting seat is fixed on the top plate through a connecting rod.

The working process of the invention is as follows:

driver plate motor drive driver plate rotates, in the pellet propulsion thimble fixing base in the storehouse of will storing up the ball, preset in the thimble fixing base in the pellet of front end can be impeld forward, can upwards jack-up with last spacing clamp when the pellet of front end impels forward, it is ejecting downwards to lower spacing clamp, make and go up spacing clamp and upwards rotate, and then make reset spring stretched, lower spacing clamp also rotates downwards, the pellet release of front end in the thimble fixing base will be preset out, the pellet of releasing can contact the transmission friction pulley of launching tube both sides, the transmission friction pulley is high-speed rotatory under brushless motor drive, and the turning to of two transmission friction pulleys is opposite, the pellet of releasing is high-speed transmission under the extruded effect of friction of transmission friction pulley.

After the pellet release of foremost in the thimble fixing base goes out, go up the spacing clamp and rotate downwards under reset spring's resilience force effect and reset, go up the spacing clamp and rotate downwards and can drive the pivot rotation, it rotates and drives last incomplete gear to go up the pivot rotation, because last incomplete gear meshes with incomplete gear down, go up incomplete gear and rotate under the drive, incomplete gear rotates under the drive and rotates the pivot rotation down, the spacing clamp upwards rotates and resets under the pivot rotation drives down, make and go up spacing clamp and lower spacing clamp synchronous reset and press from both sides tight back pellet, realized the preset position to the pellet, prevent the uncontrollable multiple condition from appearing, thereby realize controllable single shot.

In the launching process, the launching frequency of the projectile can be controlled by controlling the rotating speed of a drive plate motor; the projectile launching speed is controlled by controlling the rotating speed of the brushless motor.

In general, the invention can preset the projectile to prevent the occurrence of uncontrollable multiple firing, thereby realizing controllable single firing and multiple continuous firing and improving the overall firing precision. The invention has small integral mechanism volume and simple and reliable control.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.