Automatic pet wet food feeder

Abstract

An automatic pet wet food feeder belongs to the technical field of feeding equipment and comprises a single chip microcomputer module, a shell, a motor reducing mechanism, a fixing shell, an extrusion mechanism, a displacement mechanism and an uncovering mechanism. The shell, the motor speed reducing mechanism, the fixing shell, the extrusion mechanism, the displacement mechanism and the uncovering mechanism are installed together, the extrusion mechanism comprises an electric push rod and an extrusion plate, and the displacement mechanism comprises a sliding table, a lower supporting plate, a motor speed reducing mechanism A, a driving gear, a straight toothed plate and a guide rail. The cover opening mechanism comprises a motor speed reducing mechanism B, a motor speed reducing mechanism C, a driving gear, a spring, a lower limiting plate, an upper limiting plate, a clamping block and a cover body. The sliding table can be pushed out forwards after the operation key is inching, then the clamping base clamps a discharging pipe movable cover of a pasty wet grain package, then the cover opening process is achieved, after cover opening, the extrusion mechanism can extrude part of wet grains into a food plate, and then the cover installing process is achieved. According to the automatic feeding device, automatic feeding operation is achieved, and convenience is brought to a user.

Description

Technical Field

[0001] The invention relates to the technical field of food utensil equipment for pets, in particular to an automatic pet wet food feeder. Background Art

[0002] At present, for feeding pets, the owner or the pets are generally required to put the food into the dish manually, and then the pets eat. The above feeding method cannot provide better nutrition for pets because the ingredients of the food are relatively simple. With the advancement of technology, pet paste wet food has been widely used (pet paste wet food is generally packed into a non-toxic plastic food cylinder with a certain strength. A movable cover is threadedly installed on the discharge pipe at the middle of the upper end of the food cylinder. When the movable cover is closed, the shelf life is generally 18 months. After opening the cover and eating, the remaining wet food can generally ensure food quality and safety for one month at room temperature). Pet paste wet food has the following advantages: (1) Paste wet food is usually easier for pets to digest and absorb, especially for elderly pets or pets with weak digestive systems. This form of food can reduce their digestive burden. (2) Because it is produced by professional manufacturers, the nutrients in paste wet food are usually more concentrated than ordinary food, which can quickly replenish the energy and nutrition needed by pets. It is especially suitable for pets with weak bodies. (3) Paste wet food usually has good palatability and is easier for pets to accept and eat. This is especially effective for picky pets. (4) Paste wet food can be squeezed out and fed directly, which is very convenient and especially suitable for busy pet owners. (5) When pets are recovering from a serious illness, have a weak constitution, are breastfeeding or are elderly, paste wet food can be used as a means of quickly supplementing nutrition to help pets quickly recover their strength or enhance their immunity. (6) High-quality paste wet food usually contains a variety of nutrients, such as amino acids, lecithin, cod liver oil, complex vitamins and minerals, which help maintain the overall health of pets.

[0003] Although the existing pet paste wet food has many advantages, the owner needs to open the movable cover by hand every time during feeding, and then squeeze out the wet food in the food barrel by hand, and then reinstall the movable cover on the discharge pipe of the food barrel. The above operation method will bring inconvenience to the pet owner. In summary, it is very necessary to provide a device that can realize automatic cover opening and wet food squeezing. Summary of the invention

[0004] In order to overcome the disadvantages of existing pet paste wet food that requires manual feeding and brings inconvenience to users, the present invention provides an automatic pet wet food feeder that, under the joint action of relevant mechanisms, allows users to automatically open the cover of the paste wet food and squeeze the wet food into the plate after placing the food plate at the lower end of the device and turning on the power switch before feeding the pet each time. After squeezing out some of the wet food, the cover can be automatically put back on the lower end of the discharge pipe of the paste wet food, thereby realizing automated feeding operation and bringing convenience to users.

[0005] The technical solution adopted by the present invention to solve its technical problem is: An automatic pet wet food feeder comprises a single-chip microcomputer module and a lower shell, a motor reduction mechanism, a fixed shell, and also has an extrusion mechanism, a displacement mechanism, and a cover opening mechanism; the upper end of the fixed shell is an open structure, and a plurality of sleeve holes are arranged on the outer side of the inner lower part of the fixed shell, and a rubber sleeve is installed on the side end of each sleeve hole; the extrusion mechanism comprises an electric push rod and an extrusion plate, the front end of the movable rod of the electric push rod and the rear side end of the extrusion plate are installed together, and the cylinder of the electric push rod is installed on the rear side of the lower end of the fixed shell; the front side end of the lower shell is an open structure, the motor reduction mechanism is installed on the inner upper end of the lower shell, and the motor reduction mechanism The upper end of the rotating shaft and the lower end of the fixed shell are installed together; the displacement mechanism includes a slide, a lower support plate, a motor reduction mechanism A, a driving gear, a spur plate, and a guide rail, at least two guide rails are respectively installed on both sides of the lower shell, the driving gear is installed at the front end of the rotating shaft of the motor reduction mechanism A, the motor reduction mechanism A is installed at the rear end of the lower shell, the spur plate is installed at the lower part of the side end of the slide, and the two side ends of the slide are respectively slid on the two guide rails; the lower support plate is installed at the lower end of the slide; the cover opening mechanism includes a motor reduction mechanism B, a motor reduction mechanism C, a driving gear, a spring, a lower limit plate, an upper A limit plate, a clamping block, and a cover body, wherein there are at least two clamping blocks, each of which is longitudinally provided with a spur rack on the inner side, and a guide tube is longitudinally and transversely provided at the lower end, and a clamping seat is provided at the outer end of each clamping block. The lower end of the cover body is mounted on the front upper end of the slide, and the motor reduction mechanism B is mounted on the upper end of the lower limit plate, and the driving gear is fixedly mounted on the rotating shaft of the motor reduction mechanism B; the motor reduction mechanism C is mounted on the upper end of the cover body, and the lower end of the lower limit plate is mounted on the upper end of the rotating shaft of the motor reduction mechanism C, and the lower end of the lower limit plate is spaced apart from the upper end of the cover body, and a plurality of guide rods are distributed outside the upper end of the lower limit plate, and the upper There are multiple guide holes distributed on the upper end of the limit plate, and there are multiple springs, which are respectively installed on the outside of the multiple guide rods. The multiple guide holes of the upper limit plate are respectively sleeved on the outside of the multiple guide rods, and the multiple guide rods are located at the upper end of the upper limit plate and are respectively installed with limit rings; the middle parts of the upper limit plate and the lower limit plate are respectively provided with openings, the rotating shaft of the motor reduction mechanism B is located in the openings and the driving gear is located outside the upper end of the upper limit plate; guide rods A are respectively installed on the left and right sides of the upper limit plate, and the guide tubes of the two clamping blocks are respectively slidably sleeved on the outside of the two guide rods A; the single-chip microcomputer module is installed in the component box.

[0006] Furthermore, the inner diameter and height of the rubber sleeve are respectively larger than the outer diameter and height of the packaging bag of the paste-like food, and the outer shape is consistent with the outer diameter of the packaging bag of the paste-like food.

[0007] Furthermore, the thickness of the lower end of the fixed shell is smaller than the height of the discharge pipe of the packaging bag of the paste food, and the inner diameter of the sleeve hole of the fixed shell is larger than the outer diameter of the discharge pipe of the packaging bag, and the lower end of the discharge pipe is located at the lower part of the sleeve hole.

[0008] Furthermore, a lower end of the extrusion plate is spaced apart from an inner lower end of the fixed shell.

[0009] Furthermore, the driving gear is located at the lower side of the spur plate and meshes with the lower end of the spur plate.

[0010] Furthermore, the outer diameter of the spring is greater than the inner diameter of the guide hole.

[0011] Furthermore, the driving gear is meshed with teeth of the right spur rack of the left end clamping block and the left spur rack of the right end clamping block respectively.

[0012] Furthermore, when the slide is located at the rear dead point, the lower shell and the front end of the lower support plate are in a vertical plane.

[0013] Furthermore, the inner end surface of the clamping seat has anti-slip teeth from top to bottom.

[0014] Furthermore, when the upper limit plate compression spring moves to the lower dead point, the upper end of the clamping seat is lower than the height of the discharge pipe of the packaging bag of the paste-like food.

[0015] Compared with the prior art, the beneficial effect of the present invention is that, under the joint action of the relevant mechanisms, before feeding the pet each time, the user only needs to place the food tray at the lower end of the device, and after pressing the operation button of the single-chip microcomputer module, the motor reduction mechanism A will push the slide forward through the straight tooth plate, and then the motor reduction mechanism B drives the clamping seat of the clamping block to clamp the front end of a discharge pipe movable cover of a paste wet food package, and then the motor reduction mechanism C drives the clamping seat to rotate to realize the cover opening process, and after the cover is opened, the extrusion mechanism will squeeze out part of the wet food into the food tray, and then the motor reduction mechanism C drives the clamping seat to rotate to realize the cover installation process. The present invention realizes the automatic feeding operation, which brings convenience to the user, so it has a good application prospect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 , 3 , 4, and 5 are schematic diagrams of the local structure of the present invention. DETAILED DESCRIPTION

[0019] Figure 1 , 2As shown in , 3, 4, and 5, an automatic pet wet food feeder includes a single-chip microcomputer module 1 (main control chip STR711FR2T6) and a battery 2 (12V / 50Ah), a charging socket 3, a lower shell 4, a motor reduction mechanism 5 (30W), and a fixed shell 6, and also has an extrusion mechanism, a displacement mechanism, and a cover opening mechanism; the upper end of the fixed shell 6 is an open structure, and 10 sleeve holes 61 are distributed in an annular manner on the side of the inner lower end of the fixed shell 6, and a flexible rubber sleeve 62 is vertically glued to each sleeve hole of the fixed shell; the extrusion mechanism includes an electric push rod 71 (a reciprocating electric telescopic rod with a power of 20W) and an extrusion plate 72, the front end of the movable rod of the electric push rod 71 and the middle part of the rear side end of the extrusion plate 72 are fixedly installed together, and the cylinder of the electric push rod 71 is fixedly installed longitudinally on the rear side of the lower end of the fixed shell 6; the front side end of the lower shell 4 is an open structure, and there is an opening in the upper middle part of the lower shell 4, and the motor reduction mechanism 5 is fixedly installed on the inner upper end of the lower shell 4 and its rotation The shaft is led out upward through the opening, and the upper end of the rotating shaft of the motor reduction mechanism 5 and the middle part of the lower end of the fixed shell 6 are fixedly installed together; the displacement mechanism includes a "T"-shaped slide 81, a lower support plate 82, a motor reduction mechanism A83 (40W), a driving gear 84, a spur plate 85, and a guide rail 86. The three guide rails 86 are respectively fixedly installed longitudinally on both sides of the middle part of the inner side end and the lower left side of the lower shell 4. The driving gear 84 is fixedly installed on the front end of the rotating shaft of the motor reduction mechanism A83. The motor reduction mechanism A83 is laterally distributed and fixedly installed on the rear right end of the lower shell 4. The upper end of the spur plate 85 is longitudinally distributed and fixedly installed on the lower right end of the slide 81; the lower support plate 82 is fixedly installed on the lower end of the slide 81 and its upper part is spaced apart from the lower end of the spur plate 85. The upper left and right ends of the slide 81 and the lower left end are respectively located on the guide bearings of the three guide rails 86.The cover opening mechanism includes a motor reducer B91 (30W), a motor reducer mechanism C92 (30W), a driving gear 93, a spring 94, a lower limit plate 95, an upper limit plate 96, a clamping block 97, and a cover body 98. There are two clamping blocks 97, and a straight rack 971 is longitudinally distributed on the inner side of each clamping block 97, and a guide tube 972 is longitudinally and transversely distributed on the lower end. A clamping seat 973 with a height higher than the clamping block is transversely distributed in the upper middle part of the rear end of each clamping block. The lower end of the cover body 98 is fixedly installed on the front upper end of the slide 81. There is an opening in the middle of the upper end of the cover body 98. The motor reducer mechanism B91 is vertically distributed and installed on the lower The upper end of the limit plate 95; the motor reduction mechanism C92 is fixedly mounted on the lower end of the front part of the cover body 98, the upper end of the rotating shaft of the motor reduction mechanism C92 and the lower end of the lower limit plate 95 are installed together, and the lower end of the lower limit plate 95 and the upper end of the cover body 98 are spaced apart, the driving gear 93 is fixedly mounted on the rotating shaft of the motor reduction mechanism B91, six guide rods 99 are fixedly mounted at a certain distance on the outer side of the upper end of the lower limit plate 95, six guide holes are distributed at a certain distance on the outer side of the upper end of the upper limit plate 96, there are six springs 94, the upper and lower ends of the six springs 94 are respectively distributed in an annular manner and are movably sleeved on the outer sides of the six guide rods 99, and the upper limit plate 96 The six guide holes are respectively sleeved on the upper outer sides of the six guide rods 99, and the six guide rods 99 are located at the upper end of the upper limit plate 96 and fixedly installed with limit rings 910 (the outer diameter is larger than the outer diameter of the guide rod); the middle part of the upper limit plate 96 and the lower limit plate 95 respectively has an opening (the inner diameter is larger than the shaft opening), the shaft of the motor reduction mechanism B91 is located in the opening and the driving gear 93 is located outside the upper end of the upper limit plate 96; a guide rod A911 is fixedly installed on the left and right sides of the upper part of the upper limit plate 96, and the guide tubes 972 of the two clamping blocks 97 are respectively slidably sleeved on the outer sides of the two guide rods A911; the battery 2 and the charging The socket 3 and the single-chip microcomputer module 1 are installed on the circuit board in the component box 10, the component box 10 is installed at the right outer end of the lower shell 4, and the operation button of the single-chip microcomputer module 1 is located outside the opening at the right end of the component box 10, the two poles of the battery 2 and the two ends of the charging socket 3 (the battery can be charged through the charging socket), and the power input end of the single-chip microcomputer module 1 are connected through wires, and the multi-channel power output end of the single-chip microcomputer module 1 and the motor reduction mechanism 5, the motor reduction mechanism A83, the motor reduction mechanism B91, the motor reduction mechanism C92, the electric push rod 71, and the power input end of the electromagnet are connected through wires (the wire connecting the motor reduction mechanism B has a length margin).

[0020] Figure 1 , 2As shown in , 3, an iron magnet plate 961 is installed at the lower part of the front side end of the upper limit plate 96, and an electromagnet 951 is installed at the upper part of the front side end of the lower limit plate 95. The driving gear 93 is meshed with the teeth of the right spur rack 971 of the left end clamping block 97 and the left spur rack 971 of the right end clamping block 97 respectively. The inner diameter and height of the rubber sleeve 62 are slightly larger than the outer diameter and height of the packaging bag of the paste food 11, and the shape is consistent with the outer diameter of the packaging bag of the paste food 11. The thickness of the lower end of the fixed shell 6 is less than the height of the discharge pipe of the packaging bag of the paste food 11, and the inner diameter of the sleeve hole 61 of the fixed shell is larger than the outer diameter of the discharge pipe cover 111 of the packaging bag, and the lower end of the discharge pipe cover 111 is located at the lower part of the sleeve hole 61. The lower end of the extrusion plate 72 is spaced from the inner lower end of the fixed shell 6. The driving gear 84 is located at the lower side of the spur plate 85 and meshes with the lower end of the spur plate 85. The outer diameter of the spring 94 is larger than the inner diameter of the guide hole. When the slide 81 is at the rear dead point, the lower shell 4 and the front end of the lower support plate 82 are in a vertical plane. The inner end surface of the clamping block has anti-slip teeth 9731 from top to bottom (convenient for clamping the bottle cap). The upper end and lower ends of the upper end and the lower left end of the slide 81 slide on the upper ends of the outer rings of multiple bearings of the three guide rails 86. When the upper limit plate 96 compresses the spring 94 and moves to the lower dead point, the upper end of the clamping seat 973 is lower than the height of the discharge pipe cover 111 of the packaging bag of the paste food.

[0021] Figure 1 , 2As shown, the working process of the present invention is as follows. (1) Before feeding the pet each time, the user presses the start button of the single-chip microcomputer module 1, and the single-chip microcomputer module 1 controls the positive and negative poles of the motor reduction mechanism B to be energized and work for a period of time, and the rotating shaft of the motor reduction mechanism B drives the driving gear 93 to rotate counterclockwise, and the driving gear 93 drives the two clamping blocks 97 to move toward each other and reduce the spacing, and then the inner sides of the two clamping seats 973 clamp a discharge pipe cover 111 of a paste-like food at the front end of the lower shell; the single-chip microcomputer module 1 controls the positive and negative poles of the motor reduction mechanism C to be energized and work for a period of time, and the rotating shaft of the motor reduction mechanism C drives the pipe cover 111 to rotate counterclockwise, and then the pipe cover 111 is screwed off downward (when the pipe cover 111 moves downward, the upper limit plate compresses the spring 94, and then the upper limit plate and the pipe cover 111 are lowered, and finally lower than the lower end height of the pipe cover 111). (2) The single-chip computer module 1 controls the electromagnet 951 to be energized and work, and the electromagnet 951 attracts the iron magnet 961 (the upper limit plate will not move upward under the force of the spring), and the single-chip computer module 1 controls the positive and negative poles of the power input terminal of the motor reduction mechanism A to be energized for a period of time, and the rotating shaft of the motor reduction mechanism A drives the driving gear 84 to rotate counterclockwise, and the driving gear 84 drives the spur plate 85 to move inward, and then the slide 81 is located outside the rear end of the lower shell 4, and the user places the food tray at the front lower end of the lower shell 4. (3) The single-chip computer module 1 controls the positive and negative poles of the electric push rod to be energized for a period of time, and the movable column of the electric push rod 71 pushes the extrusion plate 72 to move a distance toward the front side end, and the extrusion plate 72 squeezes and deforms a paste food packaging bag at the front end to a certain degree, so that part of the wet food in the paste food packaging bag enters the food tray through the discharge pipe (the longer the time, the more the amount, and vice versa, the less the amount. The specific amount of food can be set by the user through the time setting button of the single-chip computer module). (4) The single-chip computer module 1 controls the positive and negative power input terminals of the motor reduction mechanism A to be energized for a period of time, and the rotating shaft of the motor reduction mechanism A drives the driving gear 84 to rotate counterclockwise, and the driving gear 84 drives the spur gear plate 85 to move outward, and then the slide 81 and the like are located outside the front end of the lower shell 4 again. (5) The single-chip computer module 1 controls the electromagnet 951 to lose power, so that under the elastic force of the spring 94, the upper limit plate drives the two clamping seats and the pipe cover 111 upward, and the upper end of the pipe cover 111 contacts the lower part of the discharge pipe of the grain bag after the cover is opened, and the single-chip computer module 1 controls the negative and positive poles of the motor reduction mechanism C to be energized for a period of time, and the rotating shaft of the motor reduction mechanism C drives the pipe cover 111 to rotate clockwise, and then the pipe cover 111 (with internal threads) is sealed together with the lower end of the discharge pipe (with external threads) again. (6) The single chip computer module 1 controls the negative and positive poles of the motor reduction mechanism B to be energized and work for a period of time. The rotating shaft of the motor reduction mechanism B drives the driving gear 93 to rotate clockwise. The driving gear 93 drives the two clamping blocks 97 to move toward each other and increase the distance between them. Then, the inner sides of the two clamping seats 973 no longer clamp the discharge pipe cover 111 of the paste food at the front end of the lower shell, preparing for the next extrusion.The above process (1)-(6) is continuously circulated. Before feeding the pet each time, the user places the food plate at the front lower end of the lower shell, and then presses the operating button of the single-chip module, and then no further operation is required; in actual situations, after the wet food in a corresponding paste food packaging bag is squeezed out, the user presses a corresponding button of the single-chip module, so that the shaft of the motor reduction mechanism 5 drives the lower shell 4 to rotate a certain angle, and the packaging bag of the wet food adjacent to the paste food packaging bag is in the corresponding position, ready for the next paste food packaging bag to be squeezed out. The present invention realizes the automatic feeding operation, brings convenience to the user, and therefore has a good application prospect.

[0022] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0024] In addition, it should be understood that although the present specification is described according to the implementation mode, the implementation mode does not only include an independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in the embodiments can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic pet wet food feeder, comprising a single chip microcomputer module and a lower housing, a motor reduction mechanism, and a fixed housing, characterized in that: It also has an extrusion mechanism, a displacement mechanism, and a cover opening mechanism; the upper end of the fixed shell is an open structure, and a plurality of sleeve holes are arranged on the outer side of the inner lower part of the fixed shell, and a rubber sleeve is installed on the side end of each sleeve hole; the extrusion mechanism includes an electric push rod and an extrusion plate, the front end of the movable rod of the electric push rod and the rear end of the extrusion plate are installed together, and the cylinder of the electric push rod is installed on the rear side of the lower end of the fixed shell; the front end of the lower shell is an open structure, the motor reduction mechanism is installed on the inner upper end of the lower shell, and the upper end of the rotating shaft of the motor reduction mechanism and the lower end of the fixed shell are installed together; the displacement mechanism includes a sliding The slide table comprises a lower support plate, a motor reduction mechanism A, a driving gear, a spur plate, and a guide rail, wherein at least two guide rails are respectively installed on both sides of the lower housing, the driving gear is installed on the front end of the rotating shaft of the motor reduction mechanism A, the motor reduction mechanism A is installed on the rear end of the lower housing, the spur plate is installed on the lower part of the side end of the slide table, and the two side ends of the slide table are respectively slidably located on the two guide rails; the lower support plate is installed on the lower end of the slide table; the cover opening mechanism comprises a motor reduction mechanism B, a motor reduction mechanism C, a driving gear, a spring, a lower limit plate, an upper limit plate, a clamping block, and a cover body, and the clamping block has at least two Each clamping block has a spur rack longitudinally distributed on the inner side, and a guide tube longitudinally and transversely distributed on the lower end, and a clamping seat is provided on the outer end of each clamping block. The lower end of the cover body is installed on the front upper end of the slide, and the motor reduction mechanism B is installed on the upper end of the lower limit plate, and the driving gear is fixedly installed on the rotating shaft of the motor reduction mechanism B; the motor reduction mechanism C is installed on the upper end of the cover body, and the lower end of the lower limit plate is installed on the upper end of the rotating shaft of the motor reduction mechanism C, and the lower end of the lower limit plate is spaced from the upper end of the cover body, and a plurality of guide rods are distributed outside the upper end of the lower limit plate, and the upper end of the upper limit plate is distributed There are multiple guide holes and multiple springs, which are respectively installed on the outside of multiple guide rods. The multiple guide holes of the upper limit plate are respectively sleeved on the outside of the multiple guide rods, and the multiple guide rods are located at the upper end of the upper limit plate and are respectively installed with limit rings; the middle parts of the upper limit plate and the lower limit plate are respectively provided with openings, the rotating shaft of the motor reduction mechanism B is located in the openings and the driving gear is located outside the upper end of the upper limit plate; guide rods A are respectively installed on the left and right sides of the upper limit plate, and the guide tubes of the two clamping blocks are respectively slidably sleeved on the outside of the two guide rods A; the single-chip microcomputer module is installed in the component box.

2. The automatic pet wet food feeder according to claim 1, characterized in that: The inner diameter and height of the rubber sleeve are respectively larger than the outer diameter and height of the packaging bag of the paste-like food, and the outer shape is consistent with the outer diameter of the packaging bag of the paste-like food.

3. The automatic pet wet food feeder according to claim 1, characterized in that: The thickness of the lower end of the fixed shell is less than the height of the discharge pipe of the packaging bag of the paste food, and the inner diameter of the sleeve hole of the fixed shell is larger than the outer diameter of the discharge pipe of the packaging bag, and the lower end of the discharge pipe is located at the lower part of the sleeve hole.

4. The automatic pet wet food feeder according to claim 1, characterized in that: The lower end of the extrusion plate is spaced a distance from the inner lower end of the fixed shell.

5. The automatic pet wet food feeder according to claim 1, characterized in that: The driving gear is located at the lower side of the spur plate and meshes with the lower end of the spur plate.

6. The automatic pet wet food feeder according to claim 1, characterized in that: The outer diameter of the spring is larger than the inner diameter of the guide hole.

7. The automatic pet wet food feeder according to claim 1, characterized in that: The driving gear is meshed with the teeth of the right spur rack of the left end clamping block and the teeth of the left spur rack of the right end clamping block respectively.

8. The automatic pet wet food feeder according to claim 1, characterized in that: When the slide is located at the rear dead point, the lower shell and the front end of the lower support plate are in a vertical plane.

9. The automatic pet wet food feeder according to claim 1, characterized in that: The inner end surface of the clamping seat is provided with anti-slip teeth from top to bottom.

10. The automatic pet wet food feeder according to claim 1, characterized in that: When the upper limit plate compression spring moves to the lower dead point, the upper end of the clamping seat is lower than the height of the discharging pipe of the packaging bag of the paste food.

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