Automatic excrement cleaning device and method for laboratory mouse feeding

Abstract

The invention relates to the field of breeding cages, in particular to an automatic excrement cleaning device and method for laboratory mouse breeding, and aims to solve the problems that in the prior art, excrement cleaning of a laboratory mouse breeding cage is time-consuming and cleaning is not thorough, the following scheme is provided: the automatic excrement cleaning device comprises a breeding cage which comprises a cage body and a partition mounted at the bottom of the cage body, the partition plate comprises a plurality of rolling shafts rotationally connected to the bottom of the cage body, and a gap is formed between every two adjacent rolling shafts; the cleaning mechanism comprises a bottom plate fixedly connected to the bottom of the breeding cage and a scraping plate installed on the top face of the bottom plate, a material receiving groove formed in the length direction of the cage body is formed in the top face of the bottom plate, the bottom face of the scraping plate abuts against the bottom face of the material receiving groove, and a driving assembly used for driving the scraping plate to move is further installed on the top face of the bottom plate. According to the invention, excrement in the receiving trough can be conveniently and automatically cleaned, and the surface of the rolling shaft can be wiped while the excrement in the receiving trough is cleaned, so that residual excrement on the surface of the rolling shaft can be avoided, and the excrement can be cleaned more thoroughly.

Description

Technical Field

[0001] The present invention relates to the field of breeding cages, and particularly to an automatic feces cleaning device and method for breeding experimental mice. Background Art

[0002] During the breeding process of experimental animals, mice are important experimental subjects, and the cleanliness of their breeding environment directly affects the reliability of experimental data. Currently, traditional breeding cages mostly use a structure combining a bottom mesh plate and a tray for feces collection. Although this kind of breeding cage has a simple structure, there are also significant problems in cleaning efficiency: that is, when cleaning feces, the cleaning personnel need to frequently open the cage body, which not only increases the labor intensity of the operator but also easily causes stress reactions in animals. In addition, when cleaning, a part of the feces often remains on the mesh plate at the bottom of the breeding cage, and the accumulation of these residual feces will breed bacteria, resulting in an increase in ammonia concentration, seriously affecting animal welfare and the accuracy of experimental results.

[0003] Therefore, this solution proposes an automatic feces cleaning device and method for breeding experimental mice. Summary of the Invention

[0004] An automatic feces cleaning device and method for breeding experimental mice proposed by the present invention solves the problems of time-consuming feces cleaning and incomplete cleaning in the existing experimental mouse breeding cages.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An automatic feces cleaning device for breeding experimental mice, comprising:

[0007] A breeding cage, which includes a cage body and a partition installed at the bottom of the cage body. The partition includes a plurality of rollers rotatably connected to the bottom of the cage body, and there is a gap between adjacent rollers;

[0008] A cleaning mechanism, which includes a bottom plate fixedly connected to the bottom of the breeding cage and a scraping plate installed on the top surface of the bottom plate. A material receiving groove is formed on the top surface of the bottom plate along the length direction of the cage body, and the bottom surface of the scraping plate abuts against the bottom surface of the material receiving groove. A driving component for driving the scraping plate to move is also installed on the top surface of the bottom plate;

[0009] A transmission mechanism, which is installed on the cage body and is used to drive a plurality of rollers to rotate while driving the driving component to operate;

[0010] A washing mechanism, which includes a cleaning brush installed on the top surface of the scraping plate through an elastic member and two corrugated plates installed on the top surface of the bottom plate. The two corrugated plates are respectively located on both sides of the scraping plate. The two ends of the cleaning brush are respectively fixed with abutting columns, and the other ends of the two abutting columns respectively abut against the two corrugated plates;

[0011] Wherein, when the abutting column slides along the surface of the corrugated plate, it drives the cleaning brush to reciprocate back and forth along the length direction of the scraping plate to wipe the surface of the roller.

[0012] Through the above technical solution, not only can the feces in the material receiving groove be conveniently cleaned automatically, but also the surface of the roller can be wiped while cleaning the feces in the material receiving groove, so that the residual feces on the surface of the roller can be avoided, making the cleaning of feces more thorough.

[0013] As a further improvement of the above solution, a pick-up and placement opening is provided on the top surface of the cage body, and a protective cover is provided outside the pick-up and placement opening. One side of the protective cover is hinged to the top surface of the cage body, and a lock is installed between the other side of the protective cover and the cage body.

[0014] Through the above technical solution, the pick-up and placement opening is blocked by the protective cover.

[0015] As a further improvement of the above solution, the width of the material receiving groove is greater than the width of the bottom surface of the cage body. The driving assembly includes two fixing plates fixed on the top surface of the bottom plate along the length direction of the material receiving groove. The two fixing plates are respectively located on one side of the two material receiving grooves. A chute is provided on the opposite side of the two fixing plates along their length direction. The driving assembly further includes a threaded column rotatably connected in the chute and a moving block threadedly sleeved on the outer periphery of the threaded column. One ends of the two moving blocks are respectively fixed to the two ends of the scraping plate.

[0016] Through the above technical solution, when the threaded column rotates, it drives the moving block to move in the chute, so as to drive the scraping plate to move in the material receiving groove.

[0017] As a further improvement of the above solution, the transmission mechanism includes a mounting plate fixed on the outer wall of the short side of one side of the cage body, a transmission shaft rotatably connected to the mounting plate, and a transmission motor mounted on the transmission shaft. One end of the output shaft of the transmission motor is sleeved with a driving belt pulley, and the outer periphery of the transmission shaft is sleeved with a driven belt pulley that is in transmission connection with the driving belt pulley. One end of the transmission shaft is sleeved with a transmission gear, and one ends of a plurality of rollers are all sleeved with connecting gears. The transmission gear is in transmission connection with the plurality of connecting gears through a chain.

[0018] Through the above technical solution, after the transmission motor rotates, it drives the transmission shaft to rotate, and the transmission shaft drives a plurality of rollers to rotate synchronously through the chain.

[0019] As a further improvement of the above solution, one end of the fixing plate is rotatably connected with a linkage shaft. A first linkage bevel gear is fixed on the top of the linkage shaft, and a second linkage bevel gear is fixed on the bottom of the linkage shaft. The outer periphery of the transmission shaft is sleeved with a driving bevel gear that meshes with the first linkage bevel gear, and one end of the threaded column extends outside the fixing plate and is fixed with a driven bevel gear that meshes with the second linkage bevel gear.

[0020] Through the above technical solution, the transmission shaft rotates and at the same time drives the linkage shaft to rotate, thereby driving the threaded column to rotate.

[0021] As a further improvement of the above scheme, the top surface of the scraper is provided with a mounting groove arranged along its length direction, the elastic member includes a sliding rod fixed in the mounting groove and a sliding sleeve movably mounted on the outer periphery of the sliding rod, the top of the sliding sleeve is fixedly connected to the bottom surface of the cleaning brush, and the outer peripheral movable sleeve of the sliding rod is provided with two springs 1 respectively located on both sides of the sliding sleeve, one end of the two springs 1 are fixedly connected to the sliding sleeve, and the other ends of the two springs 1 respectively abut against the inner walls on both sides of the mounting groove.

[0022] Through the above technical solution, when the cleaning brush moves forward and backward, the two springs are compressed and deformed accordingly, so that the abutting posts at both ends of the cleaning brush can always abut against the two corrugated plates.

[0023] As a further improvement of the above scheme, a debris removal mechanism is installed on the outer walls of the long sides of the scraper, and the debris removal mechanism includes a movable plate movably installed on the outer wall of the scraper through a connecting piece, a cleaning plate fixed to the bottom of the movable plate, and an abutment plate arranged on the top of the movable plate. The top of the movable plate and the bottom of the abutment plate are both right-angled triangle structures, and the inclined surfaces of the two are parallel to each other. One end of the top of the abutment plate is fixedly connected to the outer wall of the cleaning brush, the length of the cleaning plate is the same as the length of the scraper, and the outer wall of the long side of the cleaning plate is in contact with the outer wall of the long side of the scraper.

[0024] Through the above technical solution, when the cleaning brush moves, the cleaning plate will be driven to move up and down, thereby cleaning the feces and dirt adhering to the scraper.

[0025] As a further improvement of the above scheme, a fixing groove is provided on the outer wall of the long side of the scraper along its length direction, and the connecting part includes a fixing column fixed in the fixing groove and a connecting block and spring 2 movably mounted on the outer periphery of the fixing column, one end of the connecting block is fixedly connected to the outer wall of the movable plate, the top of spring 2 is fixedly connected to the connecting block, and the bottom of spring 2 is fixedly connected to the bottom of the fixing groove.

[0026] Through the above technical solution, the movable plate can automatically move up and return to its original position after losing external pressure.

[0027] An automatic feces cleaning method for experimental mouse feeding comprises the following steps:

[0028] Step 1: When feces are observed in the receiving trough, start the start / stop button of the transmission motor to clean the feces in the receiving trough;

[0029] Step 2: After the transmission motor reciprocates one time, the transmission motor is turned off, and then the feces on both sides of the docking trough are cleaned;

[0030] Step 3: Check the sanitation condition inside the breeding cage. If there is no fecal residue on the surface of the roller, the fecal cleaning work is completed. If there is still fecal residue on the surface of the roller, start the drive motor again for cleaning.

[0031] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0032] 1. Through the cooperation between the roller, the cleaning mechanism and the transmission mechanism, when driving the scraper to move to clean the feces falling into the material receiving groove, multiple rollers can be driven to rotate simultaneously, so that the feces remaining on the top surface of the roller can automatically fall off through the rotation of the roller, saving time and effort.

[0033] 2. Through the setting of the scrubbing mechanism, while the scraper moves, the cleaning brush can be driven to move back and forth along the width direction of the material receiving groove, so that the surface of the roller can be wiped, further cleaning the roller and making the fecal contamination cleaning more thorough.

[0034] 3. Through the setting of the impurity removing mechanism, during the left-right reciprocating movement of the cleaning brush, the cleaning plate can be driven to continuously move up and down, so as to treat the fecal contamination adhering to the surface of the scraper. Description of the Drawings

[0035] Figure 1 is a schematic structural diagram of the present invention;

[0036] Figure 2 is a schematic structural diagram of the bottom surface of the cage body;

[0037] Figure 3 is a schematic structural diagram of the top surface of the bottom plate;

[0038] Figure 4 is a schematic structural diagram of the corrugated plate and the scraper;

[0039] Figure 5 is a schematic structural diagram of the elastic member;

[0040] Figure 6 is a schematic structural diagram of the scraper and the cleaning plate;

[0041] Figure 7 is a schematic structural diagram of the connecting member of the present invention.

[0042] Main Symbol Explanation:

[0043] 1. Bottom plate; 2. Cage body; 3. Protective cover; 4. Linkage shaft; 5. Scraper; 6. Mounting plate; 7. Cleaning plate; 8. Material receiving trough; 9. Transmission shaft; 10. Transmission gear; 11. Connecting gear; 12. Roller; 13. Corrugated plate; 14. Contact post; 15. Contact plate; 16. Movable plate; 17. Cleaning brush; 18. Moving block; 19. Chute; 20. Fixed plate; 21. Threaded column; 22. Mounting groove; 23. Slide bar; 24. Slide sleeve; 25. Fixed groove; 26. Fixed column; 27. Connecting block. Specific implementation manner

[0044] Next, in combination with the accompanying drawings and specific implementation manners, the present invention will be further described. It should be noted that, on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0045] Embodiment 1:

[0046] Please refer to Figure 1 - Figure 7 , an automatic feces cleaning device for experimental mice breeding in this embodiment, includes:

[0047] A breeding cage, which includes a cage body 2 and a partition installed at the bottom of the cage body 2. The partition includes a plurality of rollers 12 rotatably connected to the bottom of the cage body 2. There is a gap between adjacent rollers 12. The rollers 12 are arranged along the width direction of the cage body 2. A placing and taking opening is provided on the top surface of the cage body 2, and a protective cover 3 is provided outside the placing and taking opening. One side of the protective cover 3 is hinged to the top surface of the cage body 2, and a lock is installed between the other side of the protective cover 3 and the cage body 2. During breeding, mice live in the upper space of the rollers 12. Feces, urine, etc. produced during the daily activities of the mice can fall and be discharged through the gaps between adjacent rollers 12. After opening the lock, the mice in the cage can be taken and placed through the placing and taking opening.

[0048] Cleaning mechanism, which includes a bottom plate 1 fixedly connected to the bottom of the breeding cage and a scraper 5 installed on the top surface of the bottom plate 1. A material receiving groove 8 is provided on the top surface of the bottom plate 1 along the length direction of the cage body 2. The bottom surface of the scraper 5 abuts against the bottom surface of the material receiving groove 8. A driving component for driving the movement of the scraper 5 is also installed on the top surface of the bottom plate 1. The width of the material receiving groove 8 is greater than the bottom width of the cage body 2. The driving component includes two fixing plates 20 fixed on the top surface of the bottom plate 1 along the length direction of the material receiving groove 8. The two fixing plates 20 are respectively located on one side of the two material receiving grooves 8. A sliding groove 19 is provided on the opposite side of the two fixing plates 20 along their length direction. The driving component further includes a threaded column 21 rotatably connected in the sliding groove 19 and a moving block 18 threadedly sleeved on the outer periphery of the threaded column 21. One ends of the two moving blocks 18 are respectively fixedly connected to both ends of the scraper 5. When the threaded column 21 rotates, it drives the moving block 18 to slide in the sliding groove 19. The feces and sewage falling in the cage body 2 will fall into the material receiving groove 8. When cleaning the feces and sewage, rotating the threaded column 21 can drive the scraper 5 to move along the length direction of the material receiving groove 8, so as to scrape the feces and sewage in the material receiving groove 8 to both sides of the material receiving groove 8, making the feces and sewage be pushed to a position deviating from directly below the cage body 2. Finally, the feces and sewage can be conveniently cleaned out of the material receiving groove 8.

[0049] The transmission mechanism is installed on the cage body 2 and is used to drive the driving assembly to operate while driving a plurality of rollers 12 to rotate. The transmission mechanism includes a mounting plate 6 fixed on the outer wall of the short side of one side of the cage body 2, a transmission shaft 9 rotatably connected to the mounting plate 6, and a transmission motor installed on the transmission shaft 9. One end of the output shaft of the transmission motor is sleeved with a driving pulley, and the outer circumference of the transmission shaft 9 is sleeved with a driven pulley that is in transmission connection with the driving pulley. One end of the transmission shaft 9 is sleeved with a transmission gear 10, and one end of each of the plurality of rollers 12 is sleeved with a connecting gear 11. The transmission gear 10 and the plurality of connecting gears 11 are in transmission connection through a chain. One end of the fixing plate 20 is rotatably connected with a linkage shaft 4. A first linkage bevel gear is fixed on the top of the linkage shaft 4, and a second linkage bevel gear is fixed on the bottom of the linkage shaft 4. The outer circumference of the transmission shaft 9 is sleeved with a driving bevel gear that meshes with the first linkage bevel gear. One end of the threaded column 21 extends to the outside of the fixing plate 20 and is fixed with a driven bevel gear that meshes with the second linkage bevel gear. When cleaning the manure in the material receiving trough 8, the transmission motor is started. When the transmission motor rotates forward, it drives the transmission shaft 9, and the transmission shaft 9 then drives a plurality of connecting gears 11 to rotate synchronously through the chain, so as to drive a plurality of rollers 12 to rotate forward synchronously. At the same time, while the transmission shaft 9 is rotating, it also drives the linkage shaft 4 to rotate through the belt. After the linkage shaft 4 rotates, it drives the threaded column 21 to rotate, so as to drive the roller 12 to rotate forward and drive the scraper 5 to move rightward along the length direction of the material receiving trough 8, so as to push the manure in the material receiving trough 8 to the right side of the material receiving trough 8. On the contrary, after the transmission motor rotates reversely, it can drive the roller 12 to rotate reversely and also drive the scraper 5 to move leftward, so as to push the manure in the material receiving trough 8 to the left side of the material receiving trough 8, so as to automatically clean the manure in the material receiving trough 8 while driving the roller 12 to rotate, so that the manure on the upper surface of the roller 12 falls off.

[0050] Scrubbing mechanism, which includes a cleaning brush 17 installed on the top surface of the scraper 5 through an elastic member and two corrugated plates 13 installed on the top surface of the bottom plate 1. The two corrugated plates 13 are respectively located on both sides of the scraper 5, and the two corrugated plates 13 are respectively fixed to the tops of two fixing plates 20. Contact columns 14 are fixed at both ends of the cleaning brush 17, and the other ends of the two contact columns 14 are respectively in contact with the two corrugated plates 13. The side of the corrugated plate 13 in contact with the contact column 14 is a wavy surface. The corrugation of one corrugated plate 13 faces the trough of the other corrugated plate 13. An installation groove 22 is provided on the top surface of the scraper 5 along its length direction. The elastic member includes a slide bar 23 fixed in the installation groove 22 and a slide sleeve 24 movably sleeved on the outer periphery of the slide bar 23. The top of the slide sleeve 24 is fixedly connected to the bottom surface of the cleaning brush 17. Two first springs are movably sleeved on the outer periphery of the slide bar 23 and are respectively located on both sides of the slide sleeve 24. One end of each of the two first springs is fixedly connected to the slide sleeve 24, and the other ends of the two first springs are respectively in contact with the inner walls on both sides of the installation groove 22. During the movement of the scraper 5, the cleaning brush 17 will be driven to move synchronously. When the cleaning brush 17 moves, the contact column 14 will slide along the surface of the corrugated plate 13. When one contact column 14 slides over the peak of a corrugated plate 13 with which it is in contact, the other contact column 14 will slide over the trough of the other corrugated plate 13, so that the cleaning brush 17 will swing back and forth on the top surface of the scraper 5 during the process of following the scraper 5. After the bristles on the cleaning brush 17 come into contact with the surface of the roller 12, the reciprocating cleaning brush 17 can better wipe the feces on the surface of the roller 12.

[0051] Embodiment 2:

[0052] Combined with Figure 1 , Figure 3 , Figure 4 , Figure 6 and Figure 7, on the basis of Embodiment 1, the further improvement of this embodiment lies in that impurity removal mechanisms are installed on the outer walls of the long sides on both sides of the scraper 5. The impurity removal mechanism includes a movable plate 16 movably installed on the outer wall of the scraper 5 through a connecting member, a cleaning plate 7 fixed to the bottom of the movable plate 16, and an abutting plate 15 provided at the top of the movable plate 16. The top of the movable plate 16 and the bottom of the abutting plate 15 are both right-angled triangle structures, and the inclined surfaces of the two are parallel to each other. One end of the top of the abutting plate 15 is fixedly connected to the outer wall of the cleaning brush 17. The length of the cleaning plate 7 is the same as that of the scraper 5, and the outer wall of the long side of the cleaning plate 7 fits with the outer wall of the long side of the scraper 5. A fixing groove 25 is provided on the outer wall of the long side of the scraper 5 along its length direction. The connecting member includes a fixing column 26 fixed in the fixing groove 25, a connecting block 27 movably sleeved on the outer periphery of the fixing column 26, and a second spring. One end of the connecting block 27 is fixedly connected to the outer wall of the movable plate 16. The top of the second spring is fixedly connected to the connecting block 27, and the bottom of the second spring is fixedly connected to the bottom of the fixing groove 25. When the cleaning brush 17 moves back and forth on the front surface of the scraper 5, it will drive the abutting plate 15 to move synchronously. When the abutting plate 15 moves toward the side close to the movable plate 16, the bottom of the abutting plate 15 will press the movable plate 16 to gradually move downward during the movement, and the second spring is compressed, so as to drive the cleaning plate 7 to descend. During the descending process of the cleaning plate 7, the feces adhered to the surface of the scraper 5 will be scraped off, thus preventing the feces from adhering to the surface of the scraper 5. When the abutting plate 15 moves toward the side far from the movable plate 16 following the movement of the cleaning brush 17, the second spring gradually returns to its original shape, thereby driving the movable plate 16 to gradually move upward, and the cleaning plate 7 also moves upward accordingly. In this way, during the reciprocating movement of the cleaning brush 17, the cleaning plate 7 is driven to continuously move up and down, achieving the purpose of facilitating the cleaning of the feces on the scraper 5.

[0053] Embodiment 3:

[0054] Combined with Figure 1 - Figure 7 , an automatic feces cleaning method for experimental mice breeding, includes the following steps:

[0055] Step 1: When feces are observed in the material receiving trough, press the start-stop button of the drive motor to clean the feces in the material receiving trough. The scraper moves left and right in the material receiving trough, so as to scrape the feces in the material receiving trough to both sides of the material receiving trough.

[0056] Step 2: After the drive motor rotates back and forth once and then turns off the drive motor, after the feces in the material receiving trough are scraped to both sides of the material receiving trough, use a brush to sweep the feces in the material receiving trough out of the material receiving trough.

[0057] Step 3: Check the sanitation situation in the breeding cage. If there is no feces residue on the surface of the roller, the feces cleaning work is completed. If there is still feces residue on the surface of the roller, start the drive motor again for cleaning.

[0058] The above embodiments are only the preferred embodiments of the present invention, and the scope of protection of the present invention cannot be limited thereby. Any non-substantive changes and substitutions made by those skilled in the art based on the present invention fall within the scope of protection required by the present invention.

Claims

1. An automatic excrement cleaning device for experimental mouse breeding, characterized in that: include: A breeding cage comprises a cage body and a partition installed at the bottom of the cage body, wherein the partition comprises a plurality of rollers rotatably connected to the bottom of the cage body, and gaps are provided between adjacent rollers; The cleaning mechanism comprises a bottom plate fixed to the bottom of the breeding cage and a scraper installed on the top surface of the bottom plate, the top surface of the bottom plate is provided with a material receiving groove arranged along the length direction of the cage body, the bottom surface of the scraper abuts against the bottom surface of the material receiving groove, and the top surface of the bottom plate is also provided with a driving component for driving the scraper to move; A transmission mechanism, which is mounted on the cage and is used to drive the driving assembly to operate while driving the multiple rollers to rotate; A scrubbing mechanism, comprising a cleaning brush mounted on the top surface of the scraper through an elastic member and two corrugated plates mounted on the top surface of the bottom plate, the two corrugated plates being located on both sides of the scraper, abutment posts being fixed at both ends of the cleaning brush, the other ends of the two abutment posts abutting against the two corrugated plates respectively; When the abutment column slides along the surface of the corrugated plate, the cleaning brush is driven to move back and forth along the length direction of the scraper to wipe the surface of the roller.

2. The automatic excrement cleaning device for experimental mouse breeding according to claim 1, characterized in that: The top surface of the cage body is provided with a take-in and put-out opening, and a protective cover is provided outside the take-in and put-out opening, one side of the protective cover is hinged to the top surface of the cage body, and a lock buckle is installed between the other side of the protective cover and the cage body.

3. The automatic excrement cleaning device for experimental mouse breeding according to claim 1, characterized in that: The width of the material receiving trough is greater than the bottom width of the cage body. The driving assembly includes two fixed plates fixed on the top surface of the bottom plate along the length direction of the material receiving trough. The two fixed plates are respectively located on one side of the two material receiving troughs. The opposite sides of the two fixed plates are provided with a slide groove arranged along the length direction thereof. The driving assembly also includes a threaded column rotatably connected in the slide groove and a moving block threadedly sleeved on the outer periphery of the threaded column. One end of the two moving blocks is respectively fixedly connected to the two ends of the scraper.

4. The automatic excrement cleaning device for experimental mouse breeding according to claim 3, characterized in that: The transmission mechanism includes a mounting plate fixed on the outer wall of the short side of one side of the cage body, a transmission shaft rotatably connected to the mounting plate, and a transmission motor installed on the transmission shaft, a driving pulley is sleeved on one end of the output shaft of the transmission motor, a driven pulley connected to the driving pulley is sleeved on the outer periphery of the transmission shaft, a transmission gear is sleeved on one end of the transmission shaft, a connecting gear is sleeved on one end of a plurality of rollers, the transmission gear and the plurality of connecting gears are connected via a chain transmission, and a start / stop button of the transmission motor is installed on the top surface of the mounting plate.

5. The automatic excrement cleaning device for experimental mouse breeding according to claim 4, characterized in that: One end of the fixed plate is rotatably connected to a linkage shaft, a linkage bevel gear 1 is fixed to the top of the linkage shaft, a linkage bevel gear 2 is fixed to the bottom of the linkage shaft, an active bevel gear meshing with the linkage bevel gear 1 is sleeved on the outer periphery of the transmission shaft, and one end of the threaded column extends to the outside of the fixed plate and is fixed with a driven bevel gear meshing with the linkage bevel gear 2.

6. The automatic excrement cleaning device for experimental mouse breeding according to claim 1, characterized in that: The top surface of the scraper is provided with a mounting groove arranged along its length direction, the elastic member includes a sliding rod fixed in the mounting groove and a sliding sleeve movably mounted on the outer periphery of the sliding rod, the top of the sliding sleeve is fixedly connected to the bottom surface of the cleaning brush, the outer periphery of the sliding rod is provided with two springs 1 respectively located on both sides of the sliding sleeve, one end of the two springs 1 are fixedly connected to the sliding sleeve, and the other ends of the two springs 1 respectively abut against the inner walls on both sides of the mounting groove.

7. The automatic excrement cleaning device for experimental mouse breeding according to claim 1, characterized in that: A debris removal mechanism is installed on the outer walls of the long sides of both sides of the scraper, and the debris removal mechanism includes a movable plate movably installed on the outer wall of the scraper through a connecting piece, a cleaning plate fixed to the bottom of the movable plate, and an abutment plate arranged on the top of the movable plate. The top of the movable plate and the bottom of the abutment plate are both right-angled triangle structures, and the inclined surfaces of the two are parallel to each other. One end of the top of the abutment plate is fixedly connected to the outer wall of the cleaning brush, the length of the cleaning plate is the same as that of the scraper, and the outer wall of the long side of the cleaning plate is in contact with the outer wall of the long side of the scraper.

8. The automatic excrement cleaning device for experimental mouse breeding according to claim 7, characterized in that: A fixing groove is provided on the outer wall of the long side of the scraper along its length direction, and the connecting part includes a fixing column fixed in the fixing groove and a connecting block and a spring 2 movably sleeved on the outer periphery of the fixing column, one end of the connecting block is fixedly connected to the outer wall of the movable plate, the top of the spring 2 is fixedly connected to the connecting block, and the bottom of the spring 2 is fixedly connected to the bottom of the fixing groove.

9. An automatic feces cleaning method for experimental mouse breeding, characterized in that: The automatic excrement cleaning device according to any one of claims 1 to 8 comprises the following steps: Step 1: When feces are observed in the receiving trough, start the start / stop button of the transmission motor to clean the feces in the receiving trough; Step 2: After the transmission motor reciprocates one time, the transmission motor is turned off, and then the feces on both sides of the docking trough are cleaned; Step 3: Check the sanitation in the breeding cage. If there is no feces residue on the roller surface, the feces cleaning work is completed. If there is still feces residue on the roller surface, start the transmission motor again to clean it.

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