Automatic leather roll winding device
By designing an automatic wrapping device, the inner core and outer skin of the pet sandwich roll rod are simultaneously extruded and automatically wound, solving the problems of low efficiency and high labor consumption in the existing production methods, and achieving efficient continuous production.
Patent Information
- Application Number
- CN202421504944.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing production method of pet sandwich rolls requires extruding the inner core and outer shell separately, and then manually wrapping it, resulting in intermittent work of the process, which is inefficient and labor-consuming.
An automatic winding device is designed to achieve simultaneous extrusion between the inner core and the outer shell through the cooperation of the mandrel and the rotating assembly, and automatically winding, without binding and fixing, and can be cut directly into sections.
It realizes simultaneous extrusion and automatic winding of the inner core and outer skin, reduces labor costs, realizes assembly-based continuous production, and improves product production efficiency.
Smart Images
Figure CN222764741U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of pet food, and in particular relates to an automatic leather rolling device. Background Art
[0002] Existing pet sandwich leather roll products are made of a cylindrical inner core and a thin sheet outer skin. The existing production method is: use a twin-screw extruder with a cylindrical extrusion die to extrude a cylindrical inner core; use a twin-screw extruder with a sheet extrusion die to extrude a thin sheet outer skin; fix one end of the inner core, wrap the outer skin around the outer surface of the inner core, and use ropes or leather sheaths to fix both ends to prevent loosening; after the product is dried for a period of time to set, remove the product and cut it into small pieces according to a certain length.
[0003] It can be seen that the existing production method requires the inner core and the outer skin to be extruded separately, and then the outer skin is manually wrapped and covered on the inner core. The intermittent operation of each process cannot be continuous production, which is inefficient and labor-intensive. Therefore, simplifying the process, improving the mechanization degree of the process, and saving labor are issues that need to be solved in the production of sandwich roll sticks. Utility Model Content
[0004] Aiming at the deficiencies in the prior art, the utility model designs an automatic skin wrapping device, which can realize simultaneous extrusion of an inner core and an outer skin, can automatically realize winding, does not need to be tied and fixed, and can directly cut into sections.
[0005] The specific contents are as follows:
[0006] The utility model provides an automatic leather roll wrapping device, wherein the leather roll comprises an inner core and an outer skin wrapped around the inner core; the automatic leather roll wrapping device comprises a core shaft and a rotating assembly;
[0007] The core shaft is a hollow structure with two ends open, one end of which cooperates with the discharge port of the screw extruder, and the other end is fixedly connected to an inner core forming mold connected thereto; the side wall of the core shaft is provided with a material flow channel;
[0008] The rotating component is sleeved outside the core shaft and driven by a driving motor to rotate around the core shaft; the rotating component is provided with a flow channel chamber connected to the material flow channel, and the end (outlet end) of the flow channel chamber is fixedly connected to the outer skin forming mold connected thereto; the discharge port of the outer skin forming mold is arranged to correspond to the discharge port of the inner core forming mold, so that the outer skin can be wrapped around the inner core.
[0009] When using the above device, the mandrel is connected to the discharge port of the screw extruder through a flange, and the rotating assembly is driven by a motor to rotate around the mandrel. The material enters the inner cavity of the mandrel from the screw extruder, and then flows out through the inner core extrusion die and the outer skin extrusion die respectively to form the inner core and outer skin required by the product. By adjusting the rotation speed of the rotating assembly and the extrusion speed of the material, the outer skin can be evenly wound around the inner core. With the continuous extrusion of the product, a segmentation device can be connected after the device to achieve continuous segmentation.
[0010] Furthermore, the rotating assembly is preferably driven to rotate by a chain drive. Specifically, the rotating assembly is fixedly connected to a driven sprocket sleeved on the mandrel, the output end of the driving motor is connected to a driving sprocket, and the driven sprocket is connected to the driving sprocket by a chain. During operation, the motor drives the driving sprocket, which in turn drives the driven sprocket to drive the rotating assembly to rotate around the mandrel.
[0011] Furthermore, the driving motor is preferably fixedly connected to the screw extruder.
[0012] Furthermore, the inner core forming die is preferably provided with a flow regulating bolt, and the extrusion speed of the inner core material can be controlled by adjusting the bolt.
[0013] Furthermore, the inner core forming mold is preferably fixedly connected to the core shaft via threads to facilitate disassembly and replacement.
[0014] Furthermore, the rotating assembly is mounted on the core shaft via a bearing.
[0015] Furthermore, one end of the core shaft that cooperates with the screw extruder is preferably provided with a flange for mounting it on the screw extruder.
[0016] Furthermore, the cross-section of the discharge port of the inner core forming mold is circular, square or triangular.
[0017] Furthermore, the outer skin can be set to a single layer, or a double layer, three layers or a multi-layer structure, and the cross section of the outer skin forming mold can be set to a corresponding shape.
[0018] The beneficial effects of the utility model are as follows:
[0019] The utility model makes a diversion design for the material flow channel, and cooperates with the rotating structure to realize the outer skin mold to rotate around the inner core mold, so that the inner core and the outer skin are extruded at the same time, and the outer skin is automatically wound around the inner core. The utility model can realize the simultaneous extrusion of the inner core and the outer skin and automatically realize winding, without bundling and fixing, and can be directly cut into sections. The utility model reduces labor costs, realizes continuous production of assembly line type, and improves the production efficiency of products. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1It is a schematic diagram of an automatic leather wrapping device installed on a screw extruder in a specific implementation manner;
[0021] Figure 2 It is a schematic diagram of an automatic leather roll wrapping device in a specific implementation manner;
[0022] Figure 3 It is a cross-sectional schematic diagram of an automatic leather roll wrapping device in a specific implementation manner.
[0023] In the figure: 1. Automatic skin winding device; 1-1. Mandrel; 1-2. Inner core forming mold; 1-2-1. Flow regulating bolt; 1-3. Flow channel chamber; 1-4. Outer skin forming mold; 1-5. Driven sprocket; 1-6. Bearing; 2. Screw extruder; 3. Driving motor; 4. Driving sprocket; 5. Chain. DETAILED DESCRIPTION
[0024] The principles and features of the present invention are described below in conjunction with examples. The examples are only used to explain the present invention and are not used to limit the scope of the present invention. Example
[0025] An automatic leather roll wrapping device, such as Figures 1 to 3 As shown, it includes a spindle 1-1 and a rotating assembly;
[0026] The core shaft 1-1 is a hollow structure with two ends open, one end of which cooperates with the discharge port of the screw extruder 2, and the other end is fixedly connected to the inner core forming mold 1-2 connected thereto by a thread; a flow regulating bolt 1-2-1 is arranged inside the inner core forming mold 1-2; the cross section of the inner core forming mold 1-2 is circular; a material flow channel is provided on the side wall of the core shaft 1-1; a flange for mounting it on the screw extruder 2 is arranged at one end of the core shaft 1-1 that cooperates with the screw extruder 2;
[0027] The rotating assembly is sleeved outside the core shaft 1-1 and driven by the driving motor 3 to rotate around the core shaft 1-1; the rotating assembly is fixedly connected to a driven sprocket 1-5 sleeved on the core shaft 1-1, the output end of the driving motor 3 is connected to a driving sprocket 4, and the driven sprocket 1-5 is connected to the driving sprocket 4 through a chain 5; the rotating assembly is installed on the core shaft 1-1 through a bearing 1-6;
[0028] The rotating assembly is provided with a flow channel chamber 1-3 connected to the material flow channel, and the outlet end of the flow channel chamber 1-3 is fixedly connected to the outer skin forming mold 1-4 connected thereto; the cross-section of the outer skin forming mold 1-4 is such that the discharge port of the outer skin forming mold 1-4 corresponds to the discharge port of the inner core forming mold 1-2, so that the outer skin can be wound around the inner core; the cross-section of the discharge port of the outer skin forming mold 1-4 is such as Figure 2As shown, there are two parallel strips, one end of which is connected, so that the extruded outer skin is two layers.
[0029] When the above device is used, the core shaft 1-1 is connected to the discharge port of the screw extruder 2 through a flange, and the rotating assembly is driven by the driving motor 3 to rotate around the core shaft 1-1. The flow direction of the material is as follows: Figure 3 As shown by the arrows in the figure, the material enters the inner cavity of the mandrel 1-1 from the screw extruder 2, and then flows out through the inner core extrusion die 1-2 and the outer skin extrusion die 1-4 respectively to form the inner core and outer skin required by the product. By adjusting the rotation speed of the rotating component and the extrusion speed of the material, the outer skin can be evenly wound around the inner core. With the continuous extrusion of the product, a segmentation device can be connected after the device to achieve continuous segmentation.
[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An automatic leather roll wrapping device, the leather roll comprising an inner core and an outer skin wrapped around the inner core, characterized in that: The automatic leather wrapping device comprises a core shaft (1-1) and a rotating assembly; The core shaft (1-1) is a hollow structure with openings at both ends, one end of which cooperates with the discharge port of the screw extruder (2), and the other end is fixedly connected to an inner core forming mold (1-2) that is in communication with the core shaft (1-1); a material flow channel is provided on the side wall of the core shaft (1-1); The rotating component is sleeved outside the core shaft (1-1) and driven by a driving motor (3) to rotate around the core shaft (1-1); the rotating component is provided with a flow channel chamber (1-3) connected to a material flow channel, and the end of the flow channel chamber (1-3) is fixedly connected to an outer skin forming mold (1-4) connected thereto; the discharge port of the outer skin forming mold (1-4) is arranged to correspond to the discharge port of the inner core forming mold (1-2), so that the outer skin can be wound around the inner core.
2. The automatic leather roll wrapping device according to claim 1, characterized in that: The rotating assembly is fixedly connected to a driven sprocket (1-5) sleeved on the core shaft (1-1), the output end of the driving motor (3) is connected to a driving sprocket (4), and the driven sprocket (1-5) and the driving sprocket (4) are connected via a chain (5).
3. The automatic leather roll wrapping device according to claim 2, characterized in that: The driving motor (3) is fixedly connected to the screw extruder (2).
4. The automatic leather roll wrapping device according to claim 1, characterized in that: A flow regulating bolt (1-2-1) is provided in the inner core forming mold (1-2).
5. The automatic leather roll wrapping device according to claim 1, characterized in that: The inner core forming mold (1-2) is fixedly connected to the core shaft (1-1) via threads.
6. The automatic leather roll wrapping device according to claim 1, characterized in that: The rotating assembly is mounted on the core shaft (1-1) via a bearing (1-6).
7. The automatic leather roll wrapping device according to claim 1, characterized in that: The cross section of the discharge port of the inner core forming mold (1-2) is circular, square or triangular.