CN220339224U - Target changing machine capable of winding and unwinding roll paper in front-back mode and accurately feeding paper and shooting system - Google Patents

Abstract

The utility model relates to a target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper and a shooting system, belongs to the technical field of shooting equipment, and solves the problems of inconvenient winding and unwinding of the roll paper and inaccurate feeding of the target paper in the prior art by adopting a front-back layout and an accurately feeding mechanism; the target changing machine comprises a paper box body, a paper collecting box body, paper collecting equipment, a back plate assembly, target paper, a precise paper feeding mechanism and a system control unit; the paper placing box body and the paper collecting box body are arranged in parallel front and back; the backboard component is arranged between the paper placing box body and the paper collecting box body and is fixedly arranged above the two box bodies; the paper placing equipment is arranged in the paper placing box body, and the paper collecting equipment is arranged in the paper collecting box body; one end of the target paper is connected with the paper placing equipment, and the other end bypasses the back plate assembly and is connected with the paper collecting equipment; the accurate paper feeding mechanism is arranged on the paper discharging equipment and/or the paper collecting equipment and is used for realizing accurate position of the target paper in the collecting and discharging process; the system control unit is connected with the paper placing equipment, the paper collecting equipment and the accurate paper feeding mechanism.

Description

Target changing machine capable of winding and unwinding roll paper in front-back mode and accurately feeding paper and shooting system

Technical Field

The utility model relates to the technical field of shooting equipment, in particular to a target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper and a shooting system.

Background

At present, the target changing mode of the army ball firing training is mainly carried out by adopting modes of backing up, sliding rail targets, manual target changing and the like. However, the above-described targeting approach suffers from the following drawbacks and disadvantages:

and (3) target lifting: only big rough shooting training can be performed, a new shooting training round can be realized only by manually pasting new target paper, and the method is complex in operation, time-consuming, labor-consuming and low in efficiency;

slide rail target: the target is required to be controlled to slide to the front of a shooter for manual replacement, the replacement operation of the target paper is complicated, the replacement time is long, and the overall efficiency is low;

manual target replacement: the gun clip is detached by a clear shooting training person, so that the environmental safety is ensured, and the target paper is held to a remote place by a target changing person to manually post the target paper. The method can not realize remote control, is not easy to manage and carry out safety maintenance, and has extremely low shooting management efficiency in each round.

For the above reasons, chinese patent CN114562911a discloses a target machine, a system and a method for changing targets with remote control and flexibility, in which a target paper back plate is disposed on an upper front wall of a frame, and target paper moves along a front surface of the target paper back plate under control of a cover layer control mechanism, and an end is wound on a reel disposed in the frame to release and roll the target paper. The scheme of the patent has the following defects: 1) The equipment for collecting and releasing the target paper is arranged at the rear, and the layout mode that the equipment such as the collecting and releasing scroll and the motor are arranged at the same side is not beneficial to the smooth collection and release of the target paper, so that the condition that the target paper at the collecting end and the releasing end are entangled with each other is easy to occur; 2) The target paper is directly wound on the scroll, the structure of positioning and paper feeding precision regulation is not available, the precision of the paper feeding of the target paper cannot be realized, the relaxation of the target paper is easily caused, and the targeting performance is affected.

Therefore, there is a need to develop a target changing machine and shooting system capable of winding and unwinding roll paper in tandem and accurately feeding the roll paper to solve or alleviate one or more of the above-mentioned problems.

Disclosure of Invention

In view of this, the utility model provides a target changing machine and shooting system with front and back winding and unwinding and accurate paper feeding, which adopts front and back layout and accurate paper feeding mechanism to solve the problems of inconvenient winding and unwinding and inaccurate target paper feeding in the prior art.

In one aspect, the utility model provides a target changing machine capable of collecting and releasing roll paper in a front-back mode and accurately feeding paper, which comprises a paper collecting box body, paper collecting box bodies, paper collecting equipment, a backboard assembly, target paper, an accurate paper feeding mechanism and a system control unit;

the paper placing box body and the paper collecting box body are arranged in parallel front and back; the backboard component is arranged between the paper placing box body and the paper collecting box body and above the paper placing box body and the paper collecting box body; the paper placing equipment is arranged in the paper placing box body, and the paper collecting equipment is arranged in the paper collecting box body; one end of the target paper is connected with the paper placing equipment, and the other end bypasses the front side and the rear side of the backboard component and is connected with the paper collecting equipment; preferably, the target papers in front and behind the backboard component are arranged in parallel with the backboard component;

The accurate paper feeding mechanism is arranged on the paper discharging equipment and/or the paper collecting equipment and is used for limiting the running position of the target paper in the collecting and releasing process and collecting running position data;

the system control unit is connected with the paper discharging equipment, the paper collecting equipment and the precise paper feeding mechanism.

In accordance with aspects and any one of the possible implementations described above, there is further provided an implementation, in which the paper feeding device and the paper receiving device each include a reel, an adjustable speed motor, and a steering roller; the reel is connected with the adjustable speed motor in a linkage way, and the adjustable speed motor drives the reel to rotate; the target paper to be put or to be taken up is wound on the scroll and is released or taken up along with the rotation of the scroll.

Aspects and any one of the possible implementations as described above, further providing an implementation, the precision paper feeding mechanism including a plurality of rivets, a counting disc, and a laser correlation sensor;

the rivets are uniformly fixed on the periphery of the end part of the turning roller of the paper placing equipment and/or the paper collecting equipment, and the diameters and the intervals of the rivets are matched with the rivet holes arranged on the edge of the target paper;

the counting disc is arranged on the outer side of the steering roller and is arranged in parallel with the end face of the steering roller, and the counting disc is fixedly connected with the steering roller;

A plurality of counting slits are uniformly formed in the outer edge of the counting disc, and the counting slits and the rivets are arranged in a one-to-one correspondence manner; the laser correlation sensor is arranged at the outer edge of the counting disc and used for counting slits;

the laser correlation sensor is connected with the system control unit and transmits the counting data to the system control unit.

In aspects and any one of the possible implementations described above, there is further provided an implementation, the laser correlation sensor including a U-shaped probe;

the outer edge of the counting disc is inserted into the opening of the U-shaped detecting head; the U-shaped detection head is fixedly connected with the paper placing box body and/or the paper collecting box body;

a laser emitter is arranged on one side of the opening of the U-shaped detection head, and a laser receiver is arranged on the other side of the opening of the U-shaped detection head; when any counting slit of the counting disc rotates to the U-shaped detecting head, the laser receiver receives a laser signal once, and counting is achieved.

In aspects and any one of the possible implementations described above, there is further provided an implementation, the back plate assembly including a back plate support frame, two quick-disconnect support bars, a back plate, and a guide shaft;

the two quick-disassembly support rods are respectively arranged at two sides of the backboard and fixedly connected with the backboard; the guide shaft is arranged at the top of the backboard, and two ends of the guide shaft are respectively and rotatably connected with the quick-dismantling support rods at the corresponding ends;

The backboard support frame comprises two vertical support rods and a horizontal support rod; the two vertical support rods are respectively arranged at two ends of the transverse support rod and are fixedly connected; the bottoms of the two vertical supporting rods are fixedly connected with the upper surfaces of the paper placing box body and the paper collecting box body, and longitudinal jacks are arranged at the top ends of the two vertical supporting rods; the two quick detachable support rods are respectively inserted into the longitudinal jacks.

In accordance with aspects and any one of the possible implementations described above, there is further provided an implementation, the target machine further including a target roll replacement adjustment mechanism disposed at the spool;

the target paper roll replacement adjustment mechanism includes: the first movable gear, the second movable gear, the first target paper roll assembling and disassembling structure, the second target paper roll assembling and disassembling structure, the inclined target paper support frame and the third target paper roll assembling and disassembling structure;

the first movable gear and the second movable gear are respectively inserted into two ends of the hollow cylinder of the target paper roll to fix the target paper roll;

the second structure for loading and unloading the target paper roll is arranged below the first movable gear and drives the movable gear to horizontally move left and right so as to realize the combination and complete separation of the movable gear and the hollow cylinder of the target paper roll;

The first structure for loading and unloading the target paper roll is arranged on the outer side of the first movable gear, and drives the movable gear to horizontally slightly move left and right so as to realize the adjustment of the combination degree between the movable gear and the hollow cylinder of the target paper roll;

the target paper roll loading and unloading third structure is arranged between the first movable gear and the second movable gear, is fixedly connected with the inclined target paper support frame and drives the inclined target paper support frame to horizontally move forwards and backwards; the inclined plane target paper support frame is arranged below the target paper roll.

In aspects and any one of the possible implementations described above, there is further provided an implementation in which the target roll handling first structure includes a first adjustment button, a vertical power spring, a horizontal power spring, and a force steering assembly; the lower end of the first adjusting button is connected with the vertical powerful spring, the bottom of the vertical powerful spring is connected with one end of the force steering assembly, the other end of the force steering assembly is connected with one end of the horizontal powerful spring, and the other end of the horizontal powerful spring is connected with the first movable gear.

In the aspect and any possible implementation manner as described above, there is further provided an implementation manner, where the target paper roll loading and unloading second structure includes a first movable block, a first horizontal adjusting rod, two first positioning rods, a second adjusting knob, a first adjusting rod supporting block and a second adjusting rod supporting block; the first movable gear is arranged on the first movable block; three horizontal through holes are formed in the first movable block and comprise a threaded hole and two positioning holes with smooth inner walls; the first horizontal adjusting rod provided with external threads is inserted into the threaded hole, and the two first positioning rods with smooth surfaces are respectively inserted into the two positioning holes; the first horizontal adjusting rod and the inner ends of the two first positioning rods are connected with the first adjusting rod supporting block, the other ends of the two first positioning rods are connected with the second adjusting rod supporting block, and the other ends of the first horizontal adjusting rods penetrate through the second adjusting rod supporting block and then are fixedly connected with the second adjusting knob.

In the aspect and any possible implementation manner as described above, there is further provided an implementation manner, where the third structure for loading and unloading the target paper roll includes a second movable block, a second horizontal adjusting rod, two second positioning rods, a third adjusting knob, a third adjusting rod supporting block, and a fourth adjusting rod supporting block; the inclined surface target paper support frame is arranged on the second movable block; three horizontal through holes are formed in the second movable block, and each horizontal through hole comprises a threaded hole and two positioning holes with smooth inner walls; the second horizontal adjusting rod provided with external threads is inserted into the threaded hole in a threaded mode, and the two second positioning rods with smooth surfaces are respectively inserted into the two positioning holes; the second horizontal adjusting rod and the inner ends of the two second positioning rods are connected with the third adjusting rod supporting block, the other ends of the two second positioning rods are connected with the fourth adjusting rod supporting block, and the other ends of the second horizontal adjusting rods penetrate through the fourth adjusting rod supporting block and then are fixedly connected with the third adjusting knob.

In accordance with aspects and any possible implementation manner of the foregoing, there is further provided an implementation manner, where the target changing machine further includes a magazine disposed on a rear side of the backboard.

The aspect and any possible implementation manner as described above further provides an implementation manner, where the bullet-collecting box is a closed rectangular box body, and two sides of the front wall are respectively provided with an everted plate-shaped inserting ear; two vertical and parallel inserting grooves are formed in the rear side of the backboard, and the inserting grooves are opened and inwards opened; the inserting lugs are inserted into the inserting grooves on the corresponding sides from top to bottom;

the front wall is made of bullet easy-to-pass material, and the rear wall is made of bulletproof material;

the bulletproof material is of a layered structure and comprises an inner layer of a bulletproof rubber material and an outer layer of a bulletproof steel plate.

In accordance with aspects and any one of the possible implementations described above, there is further provided an implementation, the target changing machine further including a lightweight ballistic panel;

the lightweight bulletproof plate is arranged on the front wall of the paper placing box body and is made of bulletproof materials.

In the aspect and any possible implementation manner as described above, there is further provided an implementation manner, the bulletproof material includes a rubber bullet-absorbing plate and a bulletproof steel plate, and the rubber bullet-absorbing plate and the bulletproof steel plate are sequentially stacked along a bullet shooting direction.

On the other hand, the utility model provides a shooting system, which comprises the target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper, image acquisition equipment arranged in front of the target changing machine and sounding equipment arranged on the target changing machine; the image acquisition equipment, the system control unit of the target changing machine and the sounding equipment are sequentially connected; the image acquisition equipment acquires real-time shooting images and transmits the shooting images to the system control unit of the target changing machine for processing, so that real-time shooting scores are obtained, and the scores are reported by the sounding equipment.

Compared with the prior art, one of the technical schemes has the following advantages or beneficial effects: the utility model adopts the design of the separating box body for collecting and releasing the target paper in front and back, reduces the complexity of the winding and paper feeding of the target paper, and has simpler and more convenient operation space;

the other technical scheme has the following advantages or beneficial effects: the utility model adopts a high-precision travel control structure, so that each time of target replacement can accurately travel, and the tensioning degree of the target paper can be adjusted by combining with the variable speed adjusting motor, thereby further ensuring the paper feeding precision and simultaneously preventing the target paper from loosening or being too high in tensioning degree;

the other technical scheme has the following advantages or beneficial effects: the utility model benefits from the combined application of the bulletproof rubber plate and the bulletproof steel plate, forms a lightweight bulletproof plate, and realizes the simple, effective and portable protection of the box body;

the other technical scheme has the following advantages or beneficial effects: the utility model adopts a unique target paper roll replacement and adjustment mechanism, can adapt to target paper rolls with different diameters, realizes rapid and accurate target paper roll replacement, can adjust the assembly tension of the target paper roll, can adapt to the optimal pulling force of the adjustable speed motor, and ensures the flatness of the target paper; the target paper cylinder fixing mode is designed subtly, so that the target changing process is greatly simplified, and the winding is simpler;

The other technical scheme has the following advantages or beneficial effects: the portable frame design and the light-weight materials are adopted, so that the portable frame can be installed on a fixed target path, and the portable frame can meet the outgoing carrying requirements of individual soldiers or organizations.

Of course, it is not necessary for any of the products embodying the utility model to achieve all of the technical effects described above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic side view of a target changing machine with a front-back roll paper winding and unwinding function and accurate paper feeding according to an embodiment of the present utility model;

fig. 2 is a schematic front view of a target changing machine with a front-back roll paper winding and unwinding function and accurate paper feeding according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a right-side view structure of a target changing machine (with a fast-dismounting cartridge box) with a front-rear roll paper winding and unwinding function and accurate paper feeding according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a counting sensor and a steering roller according to an embodiment of the present utility model;

FIG. 5 is a front view of a target paper support bracket and exchange device, target paper roll exchange adjustment mechanism provided by one embodiment of the present utility model;

FIG. 6 is a top view of a target paper support bracket and exchange device, target paper roll exchange adjustment mechanism provided by one embodiment of the present utility model;

fig. 7 is an effect diagram of the target paper support bracket, the replacement device, and the target paper roll replacement adjustment mechanism in a rolled target paper state according to an embodiment of the present utility model.

Wherein, in the figure:

1. a back plate; 2. quickly disassembling the support rod; 3. a backboard support frame; 4. a top plate of the box body; 5. a rolled target paper releasing box body; 6. a rolled target paper recycling box body; 7. the target paper roll replacement and adjustment mechanism; 8. a first reel; 9. a lightweight bulletproof plate; 10. a front adjustable speed motor; 11. a first steering roller; 12. a second steering roller; 13. a rear-mounted adjustable speed motor; 14. a second reel; 15. a system control unit; 16. a target aircraft bottom wheel; 17. target paper; 18. a guide shaft; 19. a bullet receiving box;

a. a rivet; b. a counting plate; c. counting and slotting; d. a laser correlation sensor;

A. A first adjustment knob; B. a second adjustment knob; C. a third adjustment knob; D. a movable gear; E. slope target paper supporting frame; F. hollow target paper roll.

Detailed Description

For a better understanding of the technical solution of the present utility model, the following detailed description of the embodiments of the present utility model refers to the accompanying drawings.

It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, 2 and 3, the target changing machine for front and rear winding and unwinding of the utility model comprises a winding and unwinding box body, a backboard support frame 3, a quick-dismantling support rod 2, a backboard 1, a paper unwinding device, a paper receiving device, a target paper 17, a precise paper feeding mechanism, a target paper roll changing and adjusting mechanism 7, a system control unit 15, a bullet box 19 and a target machine bottom wheel 16. The paper collecting and releasing box comprises a rolled target paper releasing box body 5, a rolled target paper recycling box body 6 and a box top plate 4; the rolled target paper releasing box body 5 and the rolled target paper recycling box body 6 are the paper placing box body and the paper collecting box body, the two box bodies are arranged in a front-back adjacent mode, and the two box bodies are provided with a shared box body top plate 4. The back plate support frame 3 is arranged above the top plate of the box body and is the center of the two box bodies, the two box bodies are respectively arranged on the front side and the rear side of the back plate support frame 3, and the bottom of the back plate support frame 3 is fixedly connected with the top plate 4 of the box body. The backboard support frame 3 comprises two support rod bodies which are vertically arranged, and the upper half part or the whole support rod body of the support rod body is in an inner hole cylinder shape. The two quick-dismantling support rods 2 are respectively inserted into the two support rod bodies; the left end and the right end of the backboard 1 are respectively and fixedly connected with the quick-dismantling support rod 2 at the corresponding end. The top of the quick dismantling support rod 2 is provided with a guide shaft 18 with supporting and guiding functions, two ends of the guide shaft 18 are respectively and rotatably connected with the quick dismantling support rod 2 at the corresponding end, and target paper winds the outer surface of the guide shaft 18 in the paper feeding process, so that smooth paper feeding is realized. The utility model uses the quick-disassembly support rod, so that the support rod can be quickly replaced by pulling out the support rod from the back plate support frame 3 when the back plate is knocked down by bullets.

The paper feeding equipment is arranged in the rolled target paper discharging box body 5 and comprises a first scroll 8, a front adjustable speed motor 10 and a first steering roller 11, wherein the first scroll 8 is connected with the front adjustable speed motor 10 in a linkage mode, and the front adjustable speed motor 10 drives the first scroll 8 to rotate. The target paper roll to be placed is inserted on the first scroll 8, and rotates together with the first scroll 8 to release the target paper. The first steering roller 11 is arranged at the bottom of the rolled target paper releasing box body 5 and is close to one end of the backboard support frame 3, and the released target paper bypasses the first steering roller 11 and then passes out of paper release slits arranged on the rolled target paper releasing box body 5 and the box top plate 4, covers the front wall of the backboard 1 from bottom to top, and is connected with paper collecting equipment.

The paper collecting equipment is arranged in the rolled target paper recycling box 6 and comprises a second scroll 14, a rear adjustable speed motor 13 and a second steering roller 12, wherein the second scroll 14 is connected with the rear adjustable speed motor 13 in a linkage mode, and the rear adjustable speed motor 13 drives the second scroll 14 to rotate. The target paper roll to be collected is inserted on the second reel 14, and rotates together with the second reel 14, so that the target paper is collected. The second steering roller 12 is arranged at the bottom of the rolled target paper recycling box 6 and is close to one end of the backboard support frame 3, and the target paper on the backboard back wall penetrates into the box from a paper collecting slit formed in the rolled target paper recycling box 6 and the box top plate 4, bypasses the second steering roller 12 and is connected with a target paper roll to be collected, and winds on the target paper roll under the rotation of the second scroll 14.

The system control unit 15 is provided at the rear side of the rolled target paper recovery box 6, corresponding to the right side of the rolled target paper recovery box 6 in fig. 1. The system control unit 15 may be disposed in an electric cabinet, which is fixed on the rolled target paper recycling bin 6, and plays a role in protecting the system control unit 15. The system control unit 15 is connected with the front adjustable speed motor 10 and the rear adjustable speed motor 13 and is used for controlling the work of the motors and realizing the release and recovery of target paper.

The front end and the rear end of the first steering roller 11 are respectively provided with a plate-shaped inner hollow body for guiding target paper, the whole plate-shaped inner hollow body is rectangular plate-shaped, a cavity with a rectangular section is arranged in the plate-shaped inner hollow body, and two ends of the cavity are open; the width of the plate-shaped inner hollow body is slightly larger than the width of the target paper, and the thickness of the inner hollow body is slightly larger than the thickness of the target paper. One end of the plate-shaped hollow body at the front end of the first steering roller 11 is arranged close to the target paper roll to be placed (without affecting the rotation of the target paper roll), and the other end of the plate-shaped hollow body is arranged close to the first steering roller 11 (without affecting the rotation of the first steering roller); one end of the plate-shaped inner hollow body at the rear end of the first steering roller 11 is arranged close to the first steering roller 11 (the rotation of the first steering roller is not influenced), and the other end of the plate-shaped inner hollow body is connected with paper release slots arranged on the rolled target paper release box 5 and the box top plate 4. When the new target paper roll is replaced, the released target paper passes out of the box body under the guiding action of the two sections of plate-shaped hollow bodies, so that the follow-up operation is convenient.

The accurate paper feeding mechanism is arranged at the first steering roller, as shown in fig. 4, and comprises a plurality of rivets a which are fixedly and uniformly arranged at the periphery of the end part of the first steering roller, a counting disc b which is arranged at the outer side of the first steering roller and fixedly connected with the first steering roller, and a laser correlation sensor d which is arranged at the counting disc and used for counting the rotation induction of the counting disc. The target paper 17 is strap type target paper, namely, a plurality of riveting holes matched with the rivets a are uniformly formed in the edge of the target paper, the distances between the riveting holes are equal to those between the rivets, the positions of the riveting holes are matched, and the rivets a are sequentially inserted into the corresponding riveting holes when the strap type target paper is in operation. The counting disc b is in a thin disc shape, is arranged in parallel with the end face of the first steering roller, a plurality of counting slits c are uniformly formed in the outer edge of the counting disc b, the number of the counting slits c is the same as that of the rivets a, and the slits are arranged in one-to-one correspondence with the rivets. The detecting head of the laser correlation sensor d is of a U-shaped structure, the outer edge of the counting disc b is inserted into an opening of the U-shaped structure, and the detecting head of the U-shaped structure is fixedly arranged in the box body. The U-shaped structure detector head is provided with a laser emitter on one side and a laser receiver on the other side. The laser correlation sensor d is connected to the system control unit 15. Because the counting disc b is fixedly connected with the first reel 8, the counting disc can rotate along with the rotation of the first reel, and laser emitted by the laser emitter of the laser correlation sensor d can be blocked by the counting disc and cannot be received by the laser receiver under most conditions, the laser receiver can only receive laser signals when the counting slit c rotates to the U-shaped structure detecting head, so that one-time counting is completed and the counting signals are transmitted to the system control unit 15.

The control mode of the accurate paper feeding of the utility model is as follows: through the design of braces formula target paper 17, combine accurate paper feed mechanism and turn to the use of cylinder, the count slotting corresponds the rivet that turns to the cylinder, drive rivet a and rotate when turning to the cylinder and rotate, when rivet a passed the rivet hole of locating the edge of braces formula target paper, count dish b synchronous rotation, when the laser receiver that is located the laser correlation sensor on count dish right side received the laser signal that the contralateral sent through the count slotting, will send a count signal to system control unit 15, when the count signal that system control unit 15 received reaches the required quantity of target change once, accomplish the accurate paper feed control of single target change promptly, and the suggestion is changed new target paper roll or is changed target paper 17 direction of motion.

In addition, the rivet and the rivet hole are designed, so that a certain power can be provided for releasing the target paper when the target paper is replaced, and the rivet hole are combined with the plate-shaped inner cavity for guiding the target paper, so that the target paper guiding function can be further consolidated.

As a preferred embodiment, the precision paper feeding mechanism of the present utility model may also be provided at both the first steering roller and the second steering roller, with the system control unit 15 recording the time point of each count while counting. Under the same tensioning degree, the distance from the first steering roller to the back plate to the second steering roller is fixed, so that the counting time interval of the two precise paper feeding mechanisms is fixed in an ideal state, and the tensioning degree of the target paper passing through the back plate changes when the time interval gradually changes. Specifically, when the time difference between the counting time point at the first steering cylinder and the counting time point at the second steering cylinder becomes smaller, it is indicated that the target paper tension is increased, whereas when the time difference becomes larger, it is indicated that the target paper is relaxed, two judgment thresholds are empirically set, and when the time difference becomes smaller and reaches the corresponding judgment threshold or when the time difference becomes larger reaches the corresponding judgment threshold, the system control unit 15 adjusts the target paper tension by controlling the rotation speeds of the two motors. Through this judgement and adjustment, further guarantee the degree of accuracy of target paper feed.

As a preferred embodiment, the utility model is provided with the bullet receiving box 19 at the rear side of the backboard, the bullet receiving box 19 is specifically positioned between the backboard and the target paper and is detachably assembled with the backboard, the bullet receiving box is a closed rectangular box body, the left and right sides of the front wall (namely, the side wall close to the backboard) are respectively provided with an everted platy inserting ear, the rear side of the backboard is provided with two vertical and parallel inserting grooves, and the inserting grooves are open on the inserting grooves and open inwards. During assembly, the inserting lugs are inserted into the inserting grooves on the corresponding sides from top to bottom, so that the cartridge box 19 can be quickly assembled and disassembled. The front wall (also called the bullet-receiving surface) of the bullet-receiving box 19 is made of rubber material through which bullets can easily pass, and the rear wall (also called the bullet-blocking surface) is made of bulletproof material, so that the bullets can be shot through from the front wall into the bullet-receiving box and blocked by the rear wall, and the collection of the bullets is completed. The bulletproof material of the rear wall is of a two-layer structure, the first layer is a bulletproof rubber material, the second layer is a bulletproof steel plate, the first layer is an inner layer, and the second layer is an outer layer; the bullet is firstly decelerated by the rubber material, and then is further intercepted and blocked by the bulletproof steel plate. Because the use amount of bullets in shooting training is huge, the setting of this bullet collection case can effectively retrieve the abandonment bullet, has certain economic benefits. In addition, the setting of receipts magazine still has the effect that prevents the target paper that has accomplished the shooting to overturn to the back, is hit again by the bullet and destroys the score, realizes checking and commemorative the stay to target paper score. In special cases, such as accidental damage of target paper, the bullet collecting box used by a specific person or a specific time period can be disassembled and recycled, and the information of the number of bullet holes and positions of the front wall of the bullet collecting box, the number of collected bullets and the like can be compared with the initial shooting information and the target paper information to realize the checking effect under the special cases. Because of the recovery of the bullets, the shot bullets cannot damage things behind the target changing machine, the safety of a shooting range is greatly improved, and the application scene of the target changing machine is widened.

The number of the target aircraft bottom wheels 16 is 4, 6 or 8, and the target aircraft bottom wheels are arranged at the bottom of the retractable carton body and comprise four corners at the bottom of the carton body and other middle positions capable of guaranteeing overall balance. Through the target drone return pulley, the whole target drone is moved in a thrust mode. The target gear 16 is a universal wheel with a locking mechanism by which control of the turning performance of the wheel is achieved after being pushed into a predetermined position, so that the entire target machine can be locked in that position. The locking mechanism is conventional in the art, the utility model is not limited thereto, and can be implemented by any existing locking structure.

Target paper roll replacement adjustment mechanism 7, as shown in fig. 5, 6, 7, sets up in first spool and second spool department, can adapt different diameter roll-shaped target papers, includes: the device comprises a first adjusting knob A, a second adjusting knob B, a third adjusting knob C, a movable gear D, an inclined surface target paper support E and a hollow target paper roll F. The target paper roll replacement adjusting mechanism 7 is arranged on a target paper mounting bottom plate, and the target paper mounting bottom plate is fixedly arranged in a corresponding box body. The detailed structure and working mode are as follows:

(1) Target scroll loading and unloading first structure: the first scroll and the second scroll are not in actual long shaft structures, but are realized by adopting two movable gears arranged at two ends, the two movable gears are fixed by corresponding support brackets, and the movable gears are positioned at the inner sides of the support brackets. The two ends of the hollow target paper roll tube F are respectively sleeved on the movable gears D at the corresponding ends. A first adjusting knob A is arranged on the outer side of one support bracket and is connected with a movable gear D at the end; the tension between the movable gear D at the end and the hollow target paper roll F is controlled by adjusting the first adjusting knob A to adapt to the optimal pulling force of the front adjustable speed motor 10 or the rear adjustable speed motor 13, so that the flatness of the target paper after replacement is ensured. The lower end of the first adjusting button A is connected with a vertical powerful spring, the bottom of the vertical powerful spring is connected with one end of a force steering assembly, the other end of the force steering assembly is connected with one end of a horizontal powerful spring, and the other end of the horizontal powerful spring is connected with a movable gear D. When the device works, the first adjusting button A is rotated, the vertical powerful spring is pushed and pressed, the force steering assembly is used for converting the vertical force into the horizontal force and transmitting the horizontal force to the horizontal powerful spring, the deformation elasticity of the horizontal powerful spring drives the movable gear D to move left and right, and tension between the movable gear D and the hollow target paper roll F is adjusted. The force steering assembly may be implemented using a superposition of two right isosceles triangles, or other existing structures and assemblies, without limitation.

(2) And loading and unloading the target paper roll into and from a second structure: the support bracket is fixedly arranged on the movable block (the two support brackets are required to be different in height so as to ensure that the two movable gears D are positioned at the same height), a horizontal threaded hole is formed in the movable block, a horizontal adjusting rod with external threads is arranged in the threaded hole in a penetrating mode, the outer end of the horizontal adjusting rod is fixedly connected with the second adjusting knob B, the inner end of the horizontal adjusting rod is rotatably fixed on the support block of the adjusting rod, a through hole is formed in the support block of the other adjusting rod, and the outer end of the horizontal adjusting rod is fixedly connected with the second adjusting knob B after penetrating through the through hole. The two adjusting rod supporting blocks are fixed on the target paper mounting bottom plate. The movable block is also provided with two positioning through holes with smooth inner walls, the two positioning through holes are respectively arranged on the front side and the rear side of the horizontal threaded hole and are parallel to each other, meanwhile, each positioning hole is internally provided with a positioning rod with smooth surface in a penetrating way, and two ends of each positioning rod are fixedly connected with the two adjusting rod supporting blocks. The two positioning through holes and the horizontal threaded holes are arranged in an isosceles triangle shape when being seen from side, the positions of the horizontal threaded holes are top angles, and the positions of the two positioning through holes are two bottom angles. The two positioning through holes and the positioning rod can limit the movable block to move horizontally and leftwards and rightwards only, so that limitation of the moving direction and improvement of the moving stability are realized. When the automatic target paper winding machine works, the movable block is controlled to move left and right by rotating the second adjusting knob B, and then the movable gear D arranged on the movable block through the supporting bracket is driven to move left and right, so that the end movable gear D is combined or separated with the hollow target paper winding drum F, and the old target paper is quickly detached or a new target paper is quickly installed.

Above-mentioned target paper roll loading and unloading second structure and target paper roll loading and unloading first structure all can realize the left and right movement of movable gear D, and both are different in that: the second structure for loading and unloading the target paper roll is rough adjustment, so that the movable gear D and the hollow target paper roll F are completely separated or combined; the first structure of loading and unloading the target paper roll is fine adjustment for adjusting the combination degree of the movable gear D and the hollow target paper roll paper tube F under the condition that the target paper roll is assembled.

(3) And (3) loading and unloading a target paper roll into and from a third structure: according to the automatic target paper feeding device, the inclined-plane target paper supporting frame E is controlled to move in the front-back direction through the third adjusting knob C, and the target papers with different diameters are supported before being mounted, so that the inner wall of the hollow target paper roll F is horizontally aligned with the center of the movable gear D, the rapid adaptation of a new-diameter target paper roll is realized, and the difficulty in replacing one roll of target paper is reduced. The structure of the part is similar to that of the part (2) in which the movable gear D is controlled to move left and right by the second adjusting knob B, and the difference is that: the setting directions of the horizontal adjusting rod and the two horizontal positioning rods are changed from the left-right direction to the front-back direction, and correspondingly, the setting directions of the related movable block, the three through holes in the movable block and the two adjusting rod supporting blocks are respectively adjusted to the front-back direction. The inclined plane target paper support E is fixedly connected with the movable block, the third adjusting knob C is fixedly connected with the horizontal adjusting rod, and the movable block is driven to move back and forth by rotating the third adjusting knob C, so that the inclined plane target paper support E is driven to move back and forth, and the target papers with different diameters are supported. The target paper supporting structure is arranged on the target paper mounting bottom plate and is positioned in the middle of the two movable gears D.

As a preferred embodiment, the present utility model provides a lightweight bulletproof plate 9 on the front wall of the case, that is, the front wall of the rolled target paper release case 5; the bullet head is decelerated through the rubber plate, so that the accidental injury of shooting training personnel caused by a bullet is effectively prevented, and the inner bullet-proof steel plate effectively protects the box body of the target changing machine. Compared with the case body made of bulletproof materials meeting the rigidity requirement, the arrangement mode has the advantage of light weight, and the problems that the whole target changing machine is too heavy and inconvenient to move and transport due to the weight of the bulletproof steel plate are avoided.

As a preferred embodiment, the system control unit 15 of the present utility model is further provided with a wireless communication component, so that the system control unit 15 can be remotely controlled, and the remote terminal can receive the working parameters of each motor in the target changing machine, the tensioning degree of the target paper around the backboard and other working parameters, and can transmit the command input by the remote terminal to the system control unit 15 so as to further adjust the working parameters of each motor. The remote wireless remote control target replacement enables a user to realize the replacement of design training target papers at different distances through the remote controller, and the remote control target replacement device is matched with the rapid disassembly and installation of new and old target papers, so that the shooting training efficiency and the management and maintenance efficiency are improved.

The utility model also provides a flexible target paper appearance form which is beneficial to improving the shooting training level, and various target changing forms designed by the utility model include but are not limited to:

1) Dynamic target changing form: the rotating speed of the adjustable motor is controlled, the target paper is not stopped in the process of changing and advancing, and a whole roll of shooting target paper is changed at a certain fixed speed, so that training difficulty is improved for shooting training users;

2) Random target change format: different types of shooting scenes can be experienced in one shooting training period by printing different types of target papers 17, so that the richness of shooting training is improved;

3) Up-down cycling of the target change format: through controlling the steering of the adjustable speed motor, irregular up-and-down motion transformation can be carried out on the target paper at different speeds and directions by remote control, and the design training or the entertainment of the game is increased.

As an application of the target changing machine, the utility model also provides a shooting system, which comprises the target changing machine, an image acquisition device arranged in front of the target changing machine and a sounding device arranged on the target changing machine, wherein the image acquisition device acquires real-time shooting images and transmits the shooting images to a system control unit of the target changing machine for processing, so that real-time shooting scores are obtained, and the sounding device reports the scores.

The above provides a target changing machine with front and rear winding and unwinding and accurate paper feeding for the embodiment of the application, which is described in detail. The above description of embodiments is only for aiding in understanding the method of the present application and its core ideas; meanwhile, as those skilled in the art will have modifications in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.

The terminology used in the embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. In the present application, the terms "upper", "lower", "left", "right", "inner", "outer", "middle", "horizontal", "vertical", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. In addition to the above terms may be used to denote orientation or positional relationships, other meanings may be used, such as the term "upper" may also be used in some cases to denote some sort of attachment or connection. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate. The term "and/or" as used herein is merely one association relationship describing the associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Claims (14)

1. The target changing machine is characterized by comprising a paper box body, paper placing equipment, paper receiving equipment, a backboard component, target paper, a system control unit and a precise paper feeding mechanism, wherein the paper box body, the paper box placing equipment, the paper box receiving equipment, the backboard component, the target paper and the system control unit are used for limiting the running position of the target paper in the process of collecting and releasing the target paper, and collecting running position data;

the paper placing box body and the paper collecting box body are arranged in parallel front and back; the backboard component is arranged between the paper placing box body and the paper collecting box body and above the paper placing box body and the paper collecting box body; the paper placing equipment is arranged in the paper placing box body, and the paper collecting equipment is arranged in the paper collecting box body; one end of the target paper is connected with the paper placing equipment, and the other end bypasses the front side and the rear side of the backboard component and is connected with the paper collecting equipment;

the accurate paper feeding mechanism is arranged on the paper placing equipment and/or the paper collecting equipment;

the system control unit is connected with the paper discharging equipment, the paper collecting equipment and the precise paper feeding mechanism.

2. The target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper according to claim 1, wherein the paper unwinding equipment and the paper unwinding equipment comprise a reel, an adjustable-speed motor and a steering roller; the reel is connected with the adjustable speed motor in a linkage way, and the adjustable speed motor drives the reel to rotate; the target paper to be put or to be taken up is wound on the reel and is released or recovered along with the rotation of the reel.

3. The target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper according to claim 1, wherein the accurate paper feeding mechanism comprises a plurality of rivets, a counting disc and a laser correlation sensor;

the rivets are uniformly fixed on the periphery of the end part of the turning roller of the paper placing equipment and/or the paper collecting equipment, and the diameters and the intervals of the rivets are matched with the rivet holes arranged on the edge of the target paper;

the counting disc is arranged on the outer side of the steering roller and is arranged in parallel with the end face of the steering roller, and the counting disc is fixedly connected with the steering roller;

a plurality of counting slits are uniformly formed in the outer edge of the counting disc, and the counting slits and the rivets are arranged in a one-to-one correspondence manner; the laser correlation sensor for counting the slotting is arranged at the outer edge of the counting disc;

the laser correlation sensor is connected with the system control unit and transmits the counting data to the system control unit.

4. The target changer for winding and unwinding roll paper in front and back and precise feeding according to claim 3, wherein the laser correlation sensor comprises a U-shaped detector;

the outer edge of the counting disc is inserted into the opening of the U-shaped detecting head; the U-shaped detection head is fixedly connected with the paper placing box body and/or the paper collecting box body;

A laser emitter is arranged on one side of the opening of the U-shaped detection head, and a laser receiver is arranged on the other side of the opening of the U-shaped detection head; when any counting slit of the counting disc rotates to the U-shaped detecting head, the laser receiver receives a laser signal once to realize counting.

5. The target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper according to claim 1, wherein the back plate assembly comprises a back plate supporting frame, two quick-dismantling supporting rods, a back plate and a guide shaft;

the two quick-disassembly support rods are respectively arranged at two sides of the backboard and fixedly connected with the backboard; the guide shaft is arranged at the top of the backboard, and two ends of the guide shaft are respectively and rotatably connected with the quick-dismantling support rods at the corresponding ends;

the backboard support frame comprises two vertical support rods and a horizontal support rod; the two vertical support rods are respectively arranged at two ends of the transverse support rod and are fixedly connected; the bottoms of the two vertical supporting rods are fixedly connected with the upper surfaces of the paper placing box body and the paper collecting box body, and longitudinal jacks are arranged at the top ends of the two vertical supporting rods; the two quick detachable support rods are respectively inserted into the longitudinal jacks.

6. The target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper according to claim 2, wherein the target changing machine further comprises a target paper roll changing and adjusting mechanism arranged at a reel;

The target paper roll replacement adjustment mechanism includes: the first movable gear, the second movable gear, the first target paper roll assembling and disassembling structure, the second target paper roll assembling and disassembling structure, the inclined target paper support frame and the third target paper roll assembling and disassembling structure;

the first movable gear and the second movable gear for fixing the target paper roll are respectively inserted into two ends of the hollow cylinder of the target paper roll;

the second structure for loading and unloading the target paper roll is arranged below the first movable gear and drives the movable gear to horizontally move left and right so as to realize the combination and complete separation of the movable gear and the hollow cylinder of the target paper roll;

the first structure for loading and unloading the target paper roll is arranged on the outer side of the first movable gear, and drives the movable gear to horizontally slightly move left and right so as to realize the adjustment of the combination degree between the movable gear and the hollow cylinder of the target paper roll;

the target paper roll loading and unloading third structure is arranged between the first movable gear and the second movable gear, is fixedly connected with the inclined target paper support frame and drives the inclined target paper support frame to horizontally move forwards and backwards; the inclined plane target paper support frame is arranged below the target paper roll.

7. The target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper according to claim 6, wherein the first structure for loading and unloading the target roll paper comprises a first adjusting button, a vertical strong spring, a horizontal strong spring and a force steering assembly; the lower end of the first adjusting button is connected with the vertical powerful spring, the bottom of the vertical powerful spring is connected with one end of the force steering assembly, the other end of the force steering assembly is connected with one end of the horizontal powerful spring, and the other end of the horizontal powerful spring is connected with the first movable gear.

8. The target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper according to claim 6, wherein the second structure for loading and unloading the target roll paper comprises a first movable block, a first horizontal adjusting rod, two first positioning rods, a second adjusting knob, a first adjusting rod supporting block and a second adjusting rod supporting block; the first movable gear is arranged on the first movable block; three horizontal through holes are formed in the first movable block and comprise a threaded hole and two positioning holes with smooth inner walls; the first horizontal adjusting rod provided with external threads is inserted into the threaded hole, and the two first positioning rods with smooth surfaces are respectively inserted into the two positioning holes; the first horizontal adjusting rod and the inner ends of the two first positioning rods are connected with the first adjusting rod supporting block, the other ends of the two first positioning rods are connected with the second adjusting rod supporting block, and the other ends of the first horizontal adjusting rods penetrate through the second adjusting rod supporting block and then are fixedly connected with the second adjusting knob.

9. The target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper according to claim 6, wherein the third structure for loading and unloading the target roll paper comprises a second movable block, a second horizontal adjusting rod, two second positioning rods, a third adjusting knob, a third adjusting rod supporting block and a fourth adjusting rod supporting block; the inclined surface target paper support frame is arranged on the second movable block; three horizontal through holes are formed in the second movable block, and each horizontal through hole comprises a threaded hole and two positioning holes with smooth inner walls; the second horizontal adjusting rod provided with external threads is inserted into the threaded hole in a threaded mode, and the two second positioning rods with smooth surfaces are respectively inserted into the two positioning holes; the second horizontal adjusting rod and the inner ends of the two second positioning rods are connected with the third adjusting rod supporting block, the other ends of the two second positioning rods are connected with the fourth adjusting rod supporting block, and the other ends of the second horizontal adjusting rods penetrate through the fourth adjusting rod supporting block and then are fixedly connected with the third adjusting knob.

10. The target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper according to claim 1, wherein the target changing machine further comprises a bullet box arranged on the back side of the back plate.

11. The target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper according to claim 10, wherein the bullet receiving box is a closed rectangular box body, and two sides of the front wall are respectively provided with outward turned plate-shaped inserting lugs; two vertical and parallel inserting grooves are formed in the rear side of the backboard, and the inserting grooves are opened and inwards opened; the inserting lugs are inserted into the inserting grooves on the corresponding sides from top to bottom;

the front wall is made of bullet-proof material, and the back wall is made of bulletproof material.

12. The target changing machine capable of winding and unwinding roll paper in front and back and accurately feeding paper according to claim 1, wherein the target changing machine further comprises a lightweight bulletproof plate;

the lightweight bulletproof plate is arranged on the front wall of the paper placing box body and is made of bulletproof materials.

13. The target changer for winding and unwinding roll paper in front and rear and precise feeding according to claim 11 or 12, wherein the bulletproof material comprises a rubber bullet absorbing plate and a bulletproof steel plate, which are sequentially stacked along the direction of bullet shooting.

14. A shooting system which is characterized by comprising a target changing machine, an image acquisition device and a sounding device, wherein the target changing machine is used for collecting and releasing roll paper in front and behind and accurately feeding paper, the image acquisition device is arranged in front of the target changing machine, and the sounding device is arranged on the target changing machine; the image acquisition device, the system control unit of the target changing machine and the sounding device are sequentially connected.