阅读说明：本技术 一种废胶片剪切提银装置 (Silver device is carried in shearing of waste film piece ) 是由 武燕凤 于 2021-01-14 设计创作，主要内容包括：本发明公开了一种废胶片剪切提银装置,包括主体,所述主体内设有剪切腔,所述剪切腔内设有剪切组件,所述剪切组件包括与所述剪切腔后端壁上下对称转动安装的两个剪切转动轴,所述剪切转动轴上固定安装有拉动圆盘,所述拉动圆盘上设有拉块伸缩槽,所述拉块伸缩槽内滑动设有与所述拉块伸缩槽通过拉块弹簧连接的拉块,将废气胶片放入装置内,夹具夹紧一组胶卷筒并向前推动胶卷筒,L型推杆将胶片向前推,拉块将胶片拉出胶卷桶,剪切块剪切胶片使胶片落入盛有硝酸溶液的提银腔中,搅拌组件搅拌胶片使胶片与硝酸溶液充分接触反应。(The invention discloses a waste film shearing silver extraction device which comprises a main body, wherein a shearing cavity is arranged in the main body, a shearing assembly is arranged in the shearing cavity, the shearing assembly comprises two shearing rotating shafts which are vertically and symmetrically and rotatably arranged on the rear end wall of the shearing cavity, a pulling disc is fixedly arranged on the shearing rotating shafts, a pulling block telescopic groove is formed in the pulling disc, a pulling block connected with the pulling block telescopic groove through a pulling block spring is arranged in the pulling block telescopic groove in a sliding mode, a waste film is placed in the device, a clamp clamps a group of film winding drums and pushes the film winding drums forwards, an L-shaped push rod pushes the film forwards, the pulling block pulls the film out of the film winding drum, the shearing block shears the film to enable the film to fall into the silver extraction cavity filled with nitric acid solution, and a stirring assembly stirs the film to enable the film to be in full contact reaction with the nitric.)

1. The utility model provides a silver-colored device is carried in shearing of waste film, includes the main part, its characterized in that: the main body is internally provided with a shearing cavity, a shearing assembly is arranged in the shearing cavity, the shearing assembly comprises two shearing rotating shafts which are symmetrically and rotatably arranged on the rear end wall of the shearing cavity up and down, a pulling disc is fixedly arranged on the shearing rotating shafts, a pulling block telescopic groove is arranged on the pulling disc, a pulling block connected with the pulling block telescopic groove through a pulling block spring is arranged in the pulling block telescopic groove in a sliding manner, a driving connecting rod positioned on the front side of the pulling disc is fixedly arranged on the shearing rotating shafts, the other end of the driving connecting rod is hinged with a shearing connecting rod which always keeps horizontal, the other end of the shearing connecting rod is hinged with a driven connecting rod, the other end of the shearing connecting rod is hinged with the rear end wall of the shearing cavity and is horizontal to the driving connecting rod, the left side of the shearing cavity is communicated with a feeding cavity, the rear side, the feeding assembly comprises a feeding sliding groove communicated with the rear side of the film barrel cavity, a feeding sliding block connected with the rear end wall of the feeding sliding groove through a feeding spring and provided with a front through hole and a rear through hole at the center in a sliding manner is arranged in the feeding sliding groove, a fixed block capable of being in sliding fit with the through hole is fixedly arranged on the left end wall of the feeding sliding groove, four inclined clamp grooves are arranged in the feeding sliding block, the four front sides of the inclined clamp grooves are symmetrical about the through hole, the four inclined clamp grooves are communicated with the film barrel cavity, clamping blocks connected with the inclined clamp grooves through clamping block springs are arranged in the inclined clamp grooves in a sliding manner, the end walls of the through hole sides are far away from the end walls of the through hole sides, four first positive magnets corresponding to the inclined clamp grooves are arranged on the outer sides of the fixed blocks, the clamping blocks are close to the through hole sides, second positive magnets mutually repelling with the first positive, and a stirring assembly is arranged in the silver extracting cavity.

2. The device for shearing and extracting the silver from the waste film as claimed in claim 1, wherein: the shearing assembly further comprises a shearing assembly and an upper side shearing rotating shaft rear side power connection and a shearing cavity rear end wall fixed mounting motor, the shearing rotating shaft is connected through a set of intermeshing gears, the upper side shearing connecting rod lower side fixed mounting has a shearing groove and a lower side shearing connecting rod upper side fixed mounting has an energy and shearing groove matched shearing knife.

3. The device for shearing and extracting the silver from the waste film as claimed in claim 1, wherein: the feeding component also comprises an electromagnet fixedly arranged on the left side of the feeding sliding groove, an iron block capable of being matched with the electromagnet is fixedly arranged on the left side of the feeding sliding block, a rack sliding groove is communicated with the rear side of the feeding sliding groove, a feeding rack connected with the rack sliding groove through a rack spring is arranged in the rack sliding groove in a sliding manner, a unidirectional rotating cavity is communicated with the upper side of the rack sliding groove, a unidirectional rotating shaft is rotatably arranged on the left end wall of the unidirectional rotating cavity, a ratchet wheel is fixedly arranged on the unidirectional rotating shaft, a hollow rotating shaft is rotatably arranged on the right end wall of the unidirectional rotating cavity, a unidirectional gear which is sleeved outside the ratchet wheel and can be meshed with the feeding rack is fixedly arranged on the hollow rotating shaft, the inner side of the one-way gear is hinged with two pawls which are connected with the one-way gear through pawl springs and can be matched with the ratchet wheel.

4. The device for shearing and extracting silver from waste film as claimed in claim 3, wherein: the feeding subassembly still include with feeding chamber front end wall fixed mounting's well core rod, fixed mounting has the disc that compresses tightly on well core rod, film barrel chamber front end wall intercommunication is equipped with the dog sliding tray, slide in the dog sliding tray be equipped with the dog sliding tray passes through dog spring coupling and the left and right sides and rear end terminal surface and is the inclined plane dog on inclined plane, film barrel chamber front side intercommunication is equipped with and is located the feeding of dog sliding tray upside rotates the chamber, the feeding rotates chamber left end wall and rotates to install and extend to left the feeding axis of rotation in one-way rotation chamber, the first angle fixed mounting in feeding axis of rotation has four feeding poles, the feeding axis of rotation with one-way axis of rotation is located the one-way rotation chamber is connected through a set of bevel gear pair transmission.

5. The device for shearing and extracting silver from waste film as claimed in claim 4, wherein: the feeding subassembly still include with the cam rotation chamber that feeding chamber downside was equipped with through the push rod sliding tray intercommunication, the cam rotates chamber right-hand member wall and rotates and install the cam axis of rotation, fixed mounting has the space cam that contains the spacing groove in the cam axis of rotation, slide in the push rod sliding tray be equipped with spacing groove sliding fit's L type push rod, the cam rotates chamber rear end wall and rotates and installs the feeding transmission shaft, the feeding transmission shaft with the cam axis of rotation is located the cam rotates the chamber and connects through a set of bevel gear pair transmission, feeding transmission shaft and downside the shearing axis of rotation is connected through a set of pulley pair transmission.

6. The device for shearing and extracting the silver from the waste film as claimed in claim 1, wherein: the stirring subassembly is including being located carry silver chamber downside transmission chamber, transmission chamber upper end wall rotates to install upwards extend to carry silver chamber's stirring axis of rotation, evenly be equipped with five groups of rotating assembly in the stirring axis of rotation, rotating assembly include with four upset axis of rotation of angle rotation installation such as stirring axis of rotation, fixed mounting has the returning face plate in the upset axis of rotation, upset axis of rotation outside fixed mounting has stirring gear, carry silver intracavity side end wall fixed mounting have can with stirring gear engagement's annular rack, transmission chamber rear end wall rotates installs stirring transmission shaft, stirring axis of rotation with stirring transmission shaft is located the transmission chamber is connected through a set of bevel gear pair transmission, stirring transmission shaft and downside the shearing axis of rotation is connected through a set of pulley pair transmission.

Technical Field

The invention relates to the technical field of metal materials, in particular to a silver extraction device for shearing waste films.

Background

The film contains a large amount of silver halide, and if the waste film is directly discarded, the environmental pollution can be caused, and the toxic and harmful substances have teratogenicity, carcinogenicity and mutagenicity, belong to hazardous waste and influence the health of human beings. Most of the existing treatment methods are chemical treatment and incineration methods to make wastes harmless and reduce, but silver halide in waste films is not effectively utilized, resources are wasted, and the phenomena of incomplete film reaction may occur during chemical treatment.

Disclosure of Invention

Aiming at the technical defects, the invention provides a waste film shearing and silver extracting device which can overcome the defects.

The invention relates to a silver extraction device for shearing waste films, which comprises a main body, wherein a shearing cavity is arranged in the main body, a shearing assembly is arranged in the shearing cavity, the shearing assembly comprises two shearing rotating shafts which are vertically and symmetrically and rotatably arranged on the rear end wall of the shearing cavity, a pulling disc is fixedly arranged on the shearing rotating shafts, a pulling block telescopic groove is arranged on the pulling disc, a pulling block connected with the pulling block telescopic groove through a pulling block spring is arranged in the pulling block telescopic groove in a sliding manner, a driving connecting rod positioned on the front side of the pulling disc is fixedly arranged on the shearing rotating shafts, a shearing connecting rod which is always kept horizontal is hinged at the other end of the driving connecting rod, a driven connecting rod of which the other end is hinged with the rear end wall of the shearing cavity and is horizontal to the driving connecting rod is hinged at the other end of the shearing connecting rod, a feeding cavity is communicated with the left side of, the film winding machine is characterized in that a feeding assembly is arranged in the film winding drum cavity, the feeding assembly comprises a feeding sliding groove communicated with the rear side of the film winding drum cavity, a feeding sliding block connected with the rear end wall of the feeding sliding groove through a feeding spring and provided with a front through hole and a rear through hole at the center in a front-rear communicating manner is arranged in the feeding sliding groove in a sliding manner, a fixed block capable of being in sliding fit with the through hole is fixedly arranged on the left end wall of the feeding sliding groove, four inclined clamp grooves which take the through hole as a symmetry center and are communicated with the film winding drum cavity are arranged in the feeding sliding block, clamping blocks which are far away from the side end wall of the through hole through a clamping block spring are arranged in the inclined clamp grooves in a sliding manner, four first positive magnets corresponding to the inclined clamp grooves are arranged on the outer side of the fixed block, and a second positive magnet mutually exclusive to the first positive magnets is fixedly, the shearing cavity lower side is communicated with a silver extracting cavity, and a stirring assembly is arranged in the silver extracting cavity.

Preferably, cut the subassembly still include with the upside cut axis of rotation rear side power connection and with cut chamber rear end wall fixed mounting's motor, two cut the axis of rotation and connect through a set of intermeshing's gear drive, the upside cut connecting rod downside fixed mounting have the shearing groove, the downside cut connecting rod upside fixed mounting have can with shear groove complex shearing sword.

Preferably, the feeding assembly further comprises an electromagnet fixedly arranged at the left side of the feeding sliding groove, an iron block which can be matched with the electromagnet is fixedly arranged on the left side of the feeding sliding block, a rack sliding groove is communicated with the rear side of the feeding sliding groove, a feeding rack connected with the rack sliding groove through a rack spring is arranged in the rack sliding groove in a sliding manner, a unidirectional rotating cavity is communicated with the upper side of the rack sliding groove, a unidirectional rotating shaft is rotatably arranged on the left end wall of the unidirectional rotating cavity, a ratchet wheel is fixedly arranged on the unidirectional rotating shaft, a hollow rotating shaft is rotatably arranged on the right end wall of the unidirectional rotating cavity, a unidirectional gear which is sleeved outside the ratchet wheel and can be meshed with the feeding rack is fixedly arranged on the hollow rotating shaft, the inner side of the one-way gear is hinged with two pawls which are connected with the one-way gear through pawl springs and can be matched with the ratchet wheel.

Preferably, the feeding subassembly still include with feeding chamber front end wall fixed mounting's well core rod, fixed mounting has the disc that compresses tightly on well core rod, film barrel chamber front end wall intercommunication is equipped with the dog sliding tray, slide in the dog sliding tray be equipped with the dog sliding tray passes through dog spring coupling and the inclined plane dog that the left and right sides and rear end terminal surface are the inclined plane, film barrel chamber front side intercommunication is equipped with and is located the feeding rotation chamber of dog sliding tray upside, the feeding rotates chamber left end wall and rotates to install and extend to left the feeding axis of rotation in unidirectional rotation chamber, the equal angle fixed mounting has four feeding poles in the feeding axis of rotation, the feeding axis of rotation with unidirectional rotation is located unidirectional rotation chamber is connected through the vice transmission of a set of bevel gear.

Preferably, the feeding subassembly still include with the cam rotation chamber that feeding chamber downside was equipped with through the push rod sliding tray intercommunication, the cam rotates chamber right-hand member wall and rotates and installs the cam axis of rotation, fixed mounting has the space cam who contains the spacing groove in the cam axis of rotation, slide in the push rod sliding tray be equipped with spacing groove sliding fit's L type push rod, the cam rotates chamber rear end wall and rotates and installs the feeding transmission shaft, the feeding transmission shaft with the cam axis of rotation is located the cam rotates the chamber and connects through a set of bevel gear pair transmission, feeding transmission shaft and downside the shearing axis of rotation is connected through a set of pulley pair transmission.

Preferably, the stirring assembly comprises a transmission cavity positioned at the lower side of the silver extracting cavity, the upper end wall of the transmission cavity is rotatably provided with a stirring rotating shaft extending upwards to the silver extracting cavity, five groups of rotating assemblies are uniformly arranged on the stirring rotating shaft, each rotating assembly comprises four overturning rotating shafts which are rotatably arranged at equal angles with the stirring rotating shaft, the overturning rotating shaft is fixedly provided with an overturning plate, the outer side of the overturning rotating shaft is fixedly provided with a stirring gear, an annular rack which can be meshed with the stirring gear is fixedly arranged on the inner side end wall of the silver extracting cavity, a stirring transmission shaft is rotatably arranged on the rear end wall of the transmission cavity, the stirring rotating shaft and the stirring transmission shaft are positioned in the transmission cavity and are in transmission connection through a group of bevel gear pairs, the stirring transmission shaft is in transmission connection with the lower side shearing rotation shaft through a group of belt pulley pairs.

The beneficial effects are that: the device simple structure, and convenient for operation, the device is at the during operation, put into the device according to certain direction after pulling out certain length with the waste gas film from the rubber-tired drum, anchor clamps press from both sides tight a set of rubber-tired drum and promote the rubber-tired drum forward, L type push rod pushes away the film forward, the rubber-tired drum is pulled out with the film to the piece that draws, the piece that shears cuts the film makes the film fall into the silver-colored chamber of carrying who contains nitric acid solution, stirring subassembly stirring film makes film and nitric acid solution fully contact reaction, silver in the recycle film, prevent its polluted environment, save the resource simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure B-B in FIG. 2 according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure at C in FIG. 1 according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view of the structure at D in fig. 2 according to the embodiment of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a waste film shearing and silver extracting device, which comprises a main body 10, wherein a shearing cavity 21 is arranged in the main body 10, a shearing assembly for pulling out a film from a film reel and shearing the film into small pieces is arranged in the shearing cavity 21, the shearing assembly comprises two shearing rotating shafts 23 which are vertically and symmetrically and rotatably arranged on the rear end wall of the shearing cavity 21, a pulling disc 22 is fixedly arranged on the shearing rotating shafts 23, a pulling block telescopic groove 65 is arranged on the pulling disc 22, a pulling block 67 connected with the pulling block telescopic groove 65 through a pulling block spring 66 is arranged in the pulling block telescopic groove 65 in a sliding manner, a driving connecting rod 61 positioned on the front side of the pulling disc 22 is fixedly arranged on the shearing rotating shafts 23, the other end of the driving connecting rod 61 is hinged with a shearing connecting rod 24 which is always horizontal, the other end of the shearing connecting rod 24 is hinged with a driven connecting rod 69, the other end of the driven connecting rod is hinged with the rear end wall of the, the hinge point of the driving connecting rod 61, the driven connecting rod 69, the shearing connecting rod 24 and the driven connecting rod 69 and the shearing cavity 21 is in a parallelogram shape with the connecting line of the shearing rotating shaft 23, the pulling blocks 67 on the upper side and the lower side slide in the pulling block telescopic grooves 65 when abutting against each other, the pulling block spring 66 compresses and simultaneously clamps films to pull out the films from the film roll, the left side of the shearing cavity 21 is communicated with a feeding cavity 20, the rear side of the feeding cavity 20 is communicated with a film roll cavity 33, a feeding assembly capable of pushing the film roll into the feeding cavity 20 one by one is arranged in the film roll cavity 33, the feeding assembly comprises a feeding sliding groove 39 communicated with the rear side of the film roll cavity 33, a feeding sliding block 37 connected with the rear end wall of the feeding sliding groove 39 through a feeding spring 41 and provided with a through hole 38 which is communicated with the front and the rear is arranged in the center is arranged in the, the left end wall of the feeding sliding groove 39 is fixedly provided with a fixed block 48 which can be in sliding fit with the through hole 38, the feeding sliding block 37 is internally provided with four inclined clamp grooves 35 which take the through hole 38 as a symmetrical center and are communicated with the film barrel cavity 33, the inclined clamp grooves 35 are internally provided with clamping blocks 36 which are connected with the inclined clamp grooves 35 far away from the side end wall of the through hole 38 through clamping block springs 62, the outer side of each fixed block 48 is provided with four first positive magnets 64 corresponding to the inclined clamp grooves 35, the clamping blocks 36 near the through hole 38 side are fixedly provided with second positive magnets 63 which are mutually repelled with the first positive magnets 64, when the feeding sliding block 37 is positioned at the foremost side, the fixed block 48 is positioned in the through hole 38, the first positive magnets 64 are mutually repelled with the second positive magnets 63, and the clamping blocks 36 are positioned far away from the through hole 38 side, the clamp splice spring 62 is in compression state, when feeding sliding block 37 slides right the clamp splice 36 owing the clamp splice spring 62 effect is to being close to through-hole 38 side slip clamping rubber reel, it is equipped with silver-colored chamber 26 to cut 21 downside intercommunications in chamber, it makes the stirring subassembly that the film and nitric acid solution fully contact reaction silver-colored to be equipped with the stirring upset film in silver-colored chamber 26.

Beneficially, the shearing assembly further comprises a motor 34 which is in power connection with the rear side of the shearing rotating shaft 23 and is fixedly mounted on the rear end wall of the shearing cavity 21, two shearing rotating shafts 23 are in transmission connection through a set of gears which are meshed with each other, the upper side of the shearing rotating shaft is fixedly mounted with a shearing groove 68 on the lower side of the shearing connecting rod 24, the lower side of the shearing connecting rod 24 is fixedly mounted with a shearing knife 70 which can be matched with the shearing groove 68, the shearing connecting rod 24 is always kept horizontal when the driving connecting rod 61 rotates, and the shearing knife 70 is matched with the shearing groove 68 to shear the film when the shearing connecting rods 24 are close to each other on the upper side and the.

Beneficially, the feeding assembly further comprises an electromagnet 40 fixedly mounted on the left side of the feeding sliding groove 39, an iron block 49 capable of being matched with the electromagnet 40 is fixedly mounted on the left side of the feeding sliding block 37, a rack sliding groove 50 is communicated with the rear side of the feeding sliding groove 39, a feeding rack 51 connected with the rack sliding groove 50 through a rack spring 52 is slidably arranged in the rack sliding groove 50, a unidirectional rotation cavity 55 is communicated with the upper side of the rack sliding groove 50, a unidirectional rotation shaft 59 is rotatably mounted on the left end wall of the unidirectional rotation cavity 55, a ratchet 53 is fixedly mounted on the unidirectional rotation shaft 59, a hollow rotation shaft 54 is rotatably mounted on the right end wall of the unidirectional rotation cavity 55, a unidirectional gear 56 sleeved on the outer side of the ratchet 53 and capable of being meshed with the feeding rack 51 is fixedly mounted on the hollow rotation shaft 54, two unidirectional gears 56 hinged on the inner side of the unidirectional gear 56 are connected with the unidirectional gear 56 through a pawl spring 58 and when the electromagnet 40 is powered on, the iron block 49 is attracted, the feeding sliding block 37 is located at the rearmost side, the feeding spring 41 is in a compressed state, when the electromagnet 40 is powered off, the feeding sliding block 37 slides forwards due to the action of the feeding spring 41, when the feeding sliding block 37 slides backwards, the feeding rack 51 is pushed to slide backwards, the rack spring 52 is compressed, the feeding rack 51 drives the one-way gear 56 to rotate, so that the pawl 57 drives the ratchet wheel 53 to rotate, so that the one-way rotating shaft 59 is driven to rotate, when the feeding sliding block 37 slides forwards, the feeding rack 51 slides forwards due to the action of the rack spring 52, and the one-way gear 56 does not drive the ratchet wheel 53 to rotate.

Advantageously, the feeding assembly further comprises a central rod 19 fixedly mounted on the front end wall of the feeding cavity 20, a pressing disc 18 is fixedly mounted on the central rod 19, a stopper sliding groove 46 is arranged in communication with the front end wall of the film tube cavity 33, a slope stopper 47 connected with the stopper sliding groove 46 through a stopper spring 45 and having a slope on the left and right sides and the rear end surface, is slidably arranged in the stopper sliding groove 46, a feeding rotating cavity 43 positioned on the upper side of the stopper sliding groove 46 is arranged in communication with the front side of the film tube cavity 33, a feeding rotating shaft 44 extending leftwards to the unidirectional rotating cavity 55 is rotatably mounted on the left end wall of the feeding rotating cavity 43, four feeding rods 42 are fixedly mounted on the feeding rotating shaft 44 at equal angles, the feeding rotating shaft 44 and the unidirectional rotating cavity 55 are in transmission connection through a set of bevel gears with the unidirectional rotating cavity 55, when only one reel of glue on the inclined plane dog 47 can slide to the dog sliding tray 46 according to the weight of the reel of glue, guarantee the centre of a circle of the reel of glue with the centre of a circle of feeding sliding block 37 is at the coplanar, can promote when feeding sliding block 37 slides back and forth the inclined plane dog 47 to slide to the dog sliding tray 46, drive when one-way axis of rotation 59 rotates feeding axis of rotation 44 rotates, thereby takes feeding rod 42 rotates quarter a week, a reel of feeding rod 42 upside falls to on the inclined plane dog 47, at this moment there are two reels of glue on the inclined plane dog 47, and the gravity of reel of glue promotes inclined plane dog 47 to slide in the dog sliding tray 46, downside reel falls to.

Advantageously, the feed assembly further comprises a cam rotation chamber 13 provided in communication with the underside of the feed chamber 20 via a push rod slide groove 16, a cam rotating shaft 15 is rotatably arranged on the right end wall of the cam rotating cavity 13, a space cam 12 with a limiting groove 11 is fixedly arranged on the cam rotating shaft 15, an L-shaped push rod 17 which is in sliding fit with the limit groove 11 is arranged in the push rod sliding groove 16 in a sliding way, a feeding transmission shaft 14 is rotatably installed on the rear end wall of the cam rotating cavity 13, the feeding transmission shaft 14 and the cam rotating shaft 15 are positioned in the cam rotating cavity 13 and are in transmission connection through a group of bevel gear pairs, the feeding transmission shaft 14 is in transmission connection with the lower shearing rotation shaft 23 through a group of belt pulley pairs, the space cam 12 drives the L-shaped push rod 17 to slide left and right when rotating, and when the L-shaped push rod 17 slides right, the pulled film is pushed right into the shearing cavity 21, so that the pulling block 67 clamps the film tightly.

Beneficially, the stirring assembly includes a transmission cavity 31 located on the lower side of the silver extracting cavity 26, the upper end wall of the transmission cavity 31 is rotatably installed with a stirring rotating shaft 25 extending upwards to the silver extracting cavity 26, five groups of rotating assemblies are uniformly arranged on the stirring rotating shaft 25, the rotating assemblies include four overturning rotating shafts 30 rotatably installed at equal angles with the stirring rotating shaft 25, an overturning plate 27 is fixedly installed on the overturning rotating shaft 30, a stirring gear 28 is fixedly installed on the outer side of the overturning rotating shaft 30, an annular rack 29 capable of being meshed with the stirring gear 28 is fixedly installed on the inner end wall of the silver extracting cavity 26, a stirring transmission shaft 32 is rotatably installed on the rear end wall of the transmission cavity 31, the stirring rotating shaft 25 and the stirring transmission shaft 32 are located on the transmission cavity 31 and are in transmission connection through a group of bevel gears, the stirring transmission shaft 32 and the shearing rotating shaft 23 on the lower side are in transmission connection through a group, when the stirring rotating shaft 25 rotates, the stirring gear 28 is meshed with the annular rack 29, so that the overturning rotating shaft 30 is driven to rotate, the overturning plate 27 is driven to rotate and overturn the film, and the film is in full contact reaction with the nitric acid solution to extract silver.

In an initial state, the feeding spring 41 is electrified to adsorb the iron block 49, the feeding spring 41 is in a compressed state, the feeding sliding block 37 is positioned on the leftmost side, the fixing block 48 is positioned in the through hole 38, the first positive magnet 64 and the second positive magnet 63 repel each other, the clamping block 36 is positioned on the side far away from the through hole 38, the clamping block spring 62 is in a compressed state, the feeding rack 51 is positioned on the leftmost side, the rack spring 52 is in a compressed state, the L-shaped push rod 17 is positioned on the leftmost side, the pull block 67 is positioned on the side far away from the upper shearing rotating shaft 23, and the pull block spring 66 is in a normal tension state.

When the film winding machine starts to work, waste gas films are pulled out from the film roll for a certain length and then are put into the film roll cavity 33 according to a certain direction, the electromagnet 40 is powered off, the feeding sliding block 37 slides forwards under the action of the feeding spring 41, the feeding rack 51 slides forwards under the action of the rack spring 52, the one-way gear 56 does not drive the ratchet wheel 53 to rotate, the clamping block 36 slides towards the side close to the through hole 38 under the action of the clamping block spring 62 to clamp the film roll, the feeding sliding block 37 can push the inclined plane stop block 47 to slide towards the stop block sliding groove 46 when sliding forwards and backwards, the feeding sliding block 37 stops when the front side of the film roll is abutted against the pressing disc 18, the motor 34 is started, so as to drive the upper and lower side shearing rotating shafts 23 to rotate reversely, the lower side shearing rotating shaft 23 drives the feeding transmission shaft 14 to rotate, thereby driving the cam rotating shaft 15 to, when the L-shaped push rod 17 slides rightwards, the pulled film is pushed rightwards to the shearing cavity 21, the shearing rotating shaft 23 drives the pulling disc 22 to rotate, the upper and lower side pulling blocks 67 are abutted to slide inwards the pulling block telescopic groove 65, the pulling block spring 66 is compressed, the film is simultaneously clamped and pulled out from the film roll, the shearing rotating shaft 23 drives the driving connecting rod 61 to rotate, the driving connecting rod 61, the driven connecting rod 69, the shearing connecting rod 24 and the driven connecting rod 69 are in parallelogram shape with the connecting line of the hinged point of the shearing cavity 21 and the shearing rotating shaft 23, when the upper and lower side shearing connecting rods 24 are close to each other, the shearing knife 70 is matched with the shearing groove 68 to shear the film, the film falls into the silver extracting cavity 26, the lower side shearing rotating shaft 23 drives the stirring transmission shaft 32 to rotate, thereby driving the stirring rotating shaft 25 to rotate, the stirring gear 28 is meshed with the annular rack 29, thereby driving the overturning, the silver is extracted by fully contacting and reacting the film with the nitric acid solution, the electromagnet 40 is electrified after a roll is cut, the iron block 49 is adsorbed, the feeding sliding block 37 slides backwards, the feeding spring 41 is compressed, the fixing block 48 is positioned in the through hole 38, the first positive magnet 64 and the second positive magnet 63 repel each other, the clamping block 36 is positioned at the side far away from the through hole 38, the rubber roll is loosened, the clamping block spring 62 is compressed, the feeding sliding block 37 simultaneously pushes the feeding rack 51 to slide backwards, the rack spring 52 is compressed, the feeding rack 51 drives the one-way gear 56 to rotate, the pawl 57 drives the ratchet wheel 53 to rotate, the one-way rotating shaft 59 is driven to rotate, the feeding rotating shaft 44 is driven to rotate, the feeding rod 42 is driven to rotate for a quarter of a circle, one rubber roll on the upper side of the feeding rod 42 falls downwards onto the inclined plane stop block 47, at the moment, two rubber rolls are arranged on the inclined plane stop block 47, the, the lower side glue reel falls downwards, when only one glue reel is arranged on the inclined plane stop block 47, the inclined plane stop block 47 can slide towards the stop block sliding groove 46 according to the weight of the glue reel, the circle center of the glue reel and the circle center of the feeding sliding block 37 are ensured to be on the same plane, and the next glue reel is cut.

The beneficial effects are that: the device simple structure, and convenient for operation, the device is at the during operation, put into the device according to certain direction after pulling out certain length with the waste gas film from the rubber-tired drum, anchor clamps press from both sides tight a set of rubber-tired drum and promote the rubber-tired drum forward, L type push rod pushes away the film forward, the rubber-tired drum is pulled out with the film to the piece that draws, the piece that shears cuts the film makes the film fall into the silver-colored chamber of carrying who contains nitric acid solution, stirring subassembly stirring film makes film and nitric acid solution fully contact reaction, silver in the recycle film, prevent its polluted environment, save the resource simultaneously.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.