Puffing device for cat and dog pet food processing

Abstract

The utility model provides a puffing device for cat and dog pet food processing, which comprises a puffing cylinder, a feeding bin is fixedly mounted on the peripheral surface of one end of the puffing cylinder, and the feeding bin is communicated with the interior of the puffing cylinder; a rear cover plate and a front cover plate are detachably and fixedly mounted at the two ends of the bulking cylinder respectively; a screw rod is rotatably mounted in the bulking cylinder, and one end of the bulking cylinder rotatably extends out of the rear cover plate; an external thread mold head is detachably and fixedly mounted on the front cover plate; due to the integral arrangement, when the tail-end spiral blade barrel, the middle spiral blade barrel, the second middle spiral blade barrel and the head-end spiral blade barrel are abraded, the abraded tail-end spiral blade barrel, the abraded middle spiral blade barrel, the abraded second middle spiral blade barrel and the abraded head-end spiral blade barrel can be replaced independently, and therefore unnecessary waste is reduced.

Description

Technical Field

[0001] The utility model relates to the field of cat and dog pet food processing, and in particular to a puffing device for cat and dog pet food processing. Background Art

[0002] The puffing device for processing cat and dog pet food is a key equipment designed for pet food production lines. It can meet the needs of different pet food production. By adjusting the process parameters such as raw materials, temperature, and moisture, it can produce pet food with novel shapes, good taste, and rich nutrition.

[0003] However, in the existing puffing device for processing cat and dog pet food, the extrusion screw of the expander is prone to wear during the processing of cat and dog pet food, especially the spiral part near the outlet is subjected to large radial and axial forces. When wear occurs, the entire part needs to be replaced, which easily causes unnecessary waste.

[0004] Therefore, it is very necessary to invent a kind of puffing device for processing cat and dog pet food. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a technical solution adopted by a puffing device for processing cat and dog pet food: a puffing device for processing cat and dog pet food, comprising a puffing cylinder, wherein: a feed bin is fixedly installed on the circumference of one end of the puffing cylinder, and the feed bin is communicated with the inside of the puffing cylinder; a rear cover plate and a front cover plate are detachably fixedly installed at both ends of the puffing cylinder; a spiral rod is rotatably installed inside the puffing cylinder, and one end of the puffing cylinder is rotatably extended from the rear cover plate; an externally threaded die head is detachably fixedly installed on the front cover plate, and the externally threaded die head is communicated with the inside of the puffing cylinder;

[0006] Preferably, the spiral rod comprises a supporting shaft and a positioning shaft, and one end of the supporting shaft is fixedly connected to one end of the positioning shaft, and a plurality of integral limiting protrusions are evenly arranged on the surface of the supporting shaft; the length of the limiting protrusions is the same as the length of the supporting shaft; the diameter of the supporting shaft is smaller than the diameter of the positioning shaft; a spiral stirrer is sleeved on the supporting shaft, and the spiral stirrer and the supporting shaft are fixedly connected by a cover bolt; the other end of the positioning shaft is rotatably extended from the rear cover; the spiral stirrer is rotatably installed in the puffing barrel;

[0007] Preferably, the spiral agitator comprises a tail end spiral blade cylinder, an intermediate spiral blade cylinder, an intermediate spiral blade cylinder 2 and a head end spiral blade cylinder, and the inner surfaces of the tail end spiral blade cylinder, the intermediate spiral blade cylinder, the intermediate spiral blade cylinder 2 and the head end spiral blade cylinder are each provided with a plurality of slots corresponding to the limiting protrusions; the tail end spiral blade cylinder, the intermediate spiral blade cylinder, the intermediate spiral blade cylinder 2 and the head end spiral blade cylinder are sequentially sleeved on the support shaft; the limiting protrusions are in the corresponding slots; the tail end spiral blade cylinder, the intermediate spiral blade cylinder, the intermediate spiral blade cylinder 2 and the head end spiral blade cylinder are fixed between the cover bolt and the positioning shaft, and the diameter of the cover bolt cover is the same as the diameter of the spiral agitator cylinder.

[0008] Preferably, a pulley is fixedly mounted on one end of the positioning shaft that is rotatably extended from the rear cover plate.

[0009] Preferably, a discharge port is opened through the center of the front cover plate, and an internal threaded barrel is fixedly installed on the outer side of the front cover plate, and the internal threaded barrel is connected to the discharge port and the external threaded mold head; the external threaded mold head is fixedly installed in the internal threaded barrel; the internal threaded barrel is coaxial with the discharge port and the external threaded mold head.

[0010] Preferably, a nut is fixedly mounted on the external thread die head.

[0011] Preferably, a threaded hole is formed at one end of the support shaft; and the cover plate is bolted and fixedly installed in the threaded hole.

[0012] Compared with the prior art, the advantages of the utility model are:

[0013] The overall arrangement of the utility model can individually replace the worn tail end spiral blade cylinder, middle spiral blade cylinder, middle spiral blade cylinder II and head end spiral blade cylinder when they are worn, thereby reducing unnecessary waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the spiral rod explosion structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the explosion structure of the front cover plate of the utility model.

[0017] In the figure:

[0018] Extruding cylinder 1, feeding bin 2, rear cover plate 3, front cover plate 4, supporting shaft 5, positioning shaft 6, external thread die head 7, pulley 8, spiral agitator 9, tail end spiral blade cylinder 91, middle spiral blade cylinder 92, middle spiral blade cylinder 2 93, head end spiral blade cylinder 94, slot 95, threaded hole 10, cover bolt 11, discharge port 12, internal thread cylinder 13, nut 14, limiting protrusion 15. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0020] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Example

[0023] Reference Figure 1-3A puffing device for processing cat and dog pet food comprises a puffing cylinder 1, wherein: a feed bin 2 is fixedly installed on the circumference of one end of the puffing cylinder 1, and the feed bin 2 is communicated with the inside of the puffing cylinder 1; a rear cover plate 3 and a front cover plate 4 are detachably fixedly installed at both ends of the puffing cylinder 1, respectively, so as to disassemble and assemble the screw rod, and at the same time ensure the stability and smoothness of the screw rod during the rotation process inside the puffing cylinder 1, and when the screw rod is maintained and repaired later, it is only necessary to remove the corresponding rear cover plate 3 and front cover plate 4; a screw rod is rotatably installed inside the puffing cylinder 1, so as to pressurize the raw materials of cat and dog pet food and discharge the raw materials from the external thread die head 7, and one end of the puffing cylinder 1 is rotatably extended from the rear cover plate 3; an external thread die head 7 is detachably fixedly installed on the front cover plate 4, so that the raw materials are puffed into a desired shape, and then cut into a desired length in cooperation with an external cutting mechanism;

[0024] The screw rod includes a support shaft 5 and a positioning shaft 6, and one end of the support shaft 5 is fixedly connected to one end of the positioning shaft 6. Through the arrangement of the support shaft 5 and the positioning shaft 6, the spiral stirrer 9 can be supported and limited. The surface of the support shaft 5 is evenly provided with a plurality of integrated limiting protrusions 15. Through the arrangement of the limiting protrusions 15 and the card slots 95, the spiral stirrer 9 can be prevented from rotating on the support shaft 5; the length of the limiting protrusion 15 is the same as the length of the support shaft 5; the diameter of the support shaft 5 is smaller than the diameter of the positioning shaft 6; the spiral stirrer 9 is sleeved on the support shaft 5, and the spiral stirrer 9 and the support shaft 5 are squeezed and fixedly connected by the cover bolts 11, so as to be disassembled and replaced separately; the other end of the positioning shaft 6 is rotated and extended from the rear cover 3; the spiral stirrer 9 is rotatably installed in the puffing barrel 1;

[0025] The spiral stirrer 9 includes a tail end spiral blade cylinder 91, an intermediate spiral blade cylinder 92, an intermediate spiral blade cylinder 93 and a head end spiral blade cylinder 94, and the inner surfaces of the tail end spiral blade cylinder 91, the intermediate spiral blade cylinder 92, the intermediate spiral blade cylinder 93 and the head end spiral blade cylinder 94 are respectively provided with a plurality of slots 95 corresponding to the limiting protrusions 15; the tail end spiral blade cylinder 91, the intermediate spiral blade cylinder 92, the intermediate spiral blade cylinder 93 and the head end spiral blade cylinder 94 are sequentially sleeved on the support shaft 5; the limiting protrusions 15 are in the corresponding slots 95; the cover bolt 11 is squeezed and fixedly connected with the head end spiral blade cylinder 94, and the diameter of the cover plate of the cover bolt 11 is the same as the diameter of the cylinder body of the spiral stirrer 9; so that when the tail end spiral blade cylinder 91, the intermediate spiral blade cylinder 92, the intermediate spiral blade cylinder 93 or the head end spiral blade cylinder 94 are worn, they can be replaced separately, avoiding the trouble of overall replacement, thereby reducing unnecessary waste.

[0026] A pulley 8 is fixedly mounted on one end of the positioning shaft 6 that is rotatably extended from the rear cover plate 3 so as to be connected to the output end of an external power motor through a belt.

[0027] A discharge port 12 is provided through the center of the front cover plate 4 to facilitate discharge of pressurized pet material, and an internal threaded barrel 13 is fixedly mounted on the outer side of the front cover plate 4 to facilitate replacement of the external threaded die head 7, the internal threaded barrel 13 is connected to the discharge port 12 and the external threaded die head 7; the external threaded die head 7 is fixedly mounted in the internal threaded barrel 13; the internal threaded barrel 13 is coaxial with the discharge port 12 and the external threaded die head 7.

[0028] A nut 14 is fixedly mounted on the external thread die head 7 so as to provide a force application point for the tool during the replacement of the external thread die head 7 .

[0029] A threaded hole 10 is provided at one end of the support shaft 5; a cover bolt 11 is fixedly installed in the threaded hole 10; through the arrangement of the cover bolt 1 and the threaded hole 10, when the tail end spiral blade cylinder 91, the middle spiral blade cylinder 92, the middle spiral blade cylinder 2 93 or the head end spiral blade cylinder 94 needs to be replaced later, it is only necessary to remove the cover bolt 1.

[0030] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A puffing device for processing cat and dog pet food, characterized in that: The invention comprises a puffing cylinder (1), wherein: a feed bin (2) is fixedly mounted on the circumference of one end of the puffing cylinder (1), and the feed bin (2) is communicated with the interior of the puffing cylinder (1); a rear cover plate (3) and a front cover plate (4) are respectively detachably fixedly mounted on the two ends of the puffing cylinder (1); a screw rod is rotatably mounted inside the puffing cylinder (1), and one end of the puffing cylinder (1) is rotatably extended out from the rear cover plate (3); an externally threaded die head (7) is detachably fixedly mounted on the front cover plate (4), and the externally threaded die head (7) is communicated with the interior of the puffing cylinder (1); The screw rod comprises a support shaft (5) and a positioning shaft (6), and one end of the support shaft (5) is fixedly connected to one end of the positioning shaft (6), and a plurality of integral limiting protrusions (15) are evenly distributed on the surface of the support shaft (5); a spiral stirrer (9) is sleeved on the support shaft (5), and the spiral stirrer (9) and the support shaft (5) are extruded and fixedly connected by cover bolts (11); the other end of the positioning shaft (6) is rotatably extended from the rear cover (3); and the spiral stirrer (9) is rotatably installed in the expansion barrel (1); The spiral stirrer (9) comprises a tail end spiral blade cylinder (91), an intermediate spiral blade cylinder (92), an intermediate spiral blade cylinder (93) and a head end spiral blade cylinder (94), and the inner surfaces of the tail end spiral blade cylinder (91), the intermediate spiral blade cylinder (92), the intermediate spiral blade cylinder (93) and the head end spiral blade cylinder (94) are each provided with a plurality of slots (95) corresponding to the limiting protrusions (15); the tail end spiral blade cylinder (91), the intermediate spiral blade cylinder (92), the intermediate spiral blade cylinder (93) and the head end spiral blade cylinder (94) are sequentially sleeved on the support shaft (5); the limiting protrusions (15) are located in the corresponding slots (95); the tail end spiral blade cylinder (91), the intermediate spiral blade cylinder (92), the intermediate spiral blade cylinder (93) and the head end spiral blade cylinder (94) are fixed between the cover plate bolts (11) and the positioning shaft (6).

2. A puffing device for processing cat and dog pet food as claimed in claim 1, characterized in that: A belt pulley (8) is fixedly mounted on one end of the positioning shaft (6) that is rotatably extended from the rear cover plate (3).

3. The puffing device for processing cat and dog pet food according to claim 1, characterized in that: A discharge port (12) is provided through the center of the front cover plate (4), and an internal threaded barrel (13) is fixedly mounted on the outer side of the front cover plate (4); the internal threaded barrel (13) is connected to the discharge port (12) and the external threaded die head (7); and the external threaded die head (7) is fixedly mounted in the internal threaded barrel (13).

4. A puffing device for processing cat and dog pet food as claimed in claim 3, characterized in that: A nut (14) is fixedly mounted on the external thread die head (7).

5. The puffing device for processing cat and dog pet food according to claim 1, characterized in that: A threaded hole (10) is formed at one end of the support shaft (5); the cover plate bolt (11) is fixedly installed in the threaded hole (10).

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