Pushing screw rod of planetary extruder

Abstract

The utility model discloses a planetary extruder pushing screw which comprises a first shaft rod, one end of the first shaft rod is provided with a mounting hole, one end of the first shaft rod is provided with a second shaft rod, one end of the second shaft rod is provided with a third shaft rod, and one end of the second shaft rod and one end of the third shaft rod are both provided with mounting holes. And a connecting assembly is arranged at the other end of the second shaft rod. According to the planetary extruder pushing screw, one end of the first shaft rod is provided with the second shaft rod, the other end of the first shaft rod is provided with the second shaft rod, meanwhile, the inner threaded hole is formed in the surface of the fixing rod, the screw is installed in the inner threaded hole, and meanwhile the screw is located in the hole; when the length is short, the shaft rod can be continuously connected with the planetary extruder material pushing screw rod, the shaft rod is fixed through the screw, the length of the planetary extruder material pushing screw rod can be changed through the screw, and the use is very convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of pusher screws, in particular to a pusher screw for a planetary extruder. Background Art

[0002] The extruder is a type of plastic machinery. When using an extruder, it must be used in conjunction with a push screw to push the material out.

[0003] The planetary extruder push screws currently available on the market have the following problems in actual use: When the traditional planetary extruder push screw is actually used, since the shaft of the traditional planetary extruder push screw is of fixed length, when the location where the planetary extruder push screw needs to be installed is far away, the traditional planetary extruder push screw does not have the effect of extending the shaft, and the only option is to find a planetary extruder push screw of suitable length, which is more troublesome to use. Utility Model Content

[0004] The utility model aims to provide a planetary extruder pushing screw to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned objectives, the specific technical scheme of the utility model is as follows: a planetary extruder pushing screw, comprising a first shaft rod, a mounting hole is provided at one end of the first shaft rod, a second shaft rod is provided at one end of the first shaft rod, a third shaft rod is provided at one end of the second shaft rod, mounting holes are provided at one end of the second shaft rod and the third shaft rod, a connecting assembly is provided at the other end of the second shaft rod, the connecting assembly comprises a fixing rod, an internal threaded hole, a screw and a hole, a hole is provided on the surface of the second shaft rod, the other end of the second shaft rod is fixedly connected to the fixing rod, an internal threaded hole is provided on the surface of the fixing rod, a screw is installed inside the internal threaded hole, the screw is located inside the hole, a connecting assembly is provided at the other end of the third shaft rod, and the fixing rod is embedded in the mounting hole.

[0006] Preferably, a positioning assembly is provided at the other end of the fixing rod, and the positioning assembly includes a positioning rod, a block, a positioning hole and a slot. The other end of the fixing rod is fixedly connected to the positioning rod, the block is welded on the surface of the positioning rod, the positioning rod is located inside the positioning hole, and the block is located inside the slot.

[0007] Preferably, a cavity is defined inside the second shaft, a baffle is provided inside the cavity, the baffle is located inside the hole, and the screw is located on a side of the baffle.

[0008] Preferably, a magnet block is bonded inside the second shaft, a shift block is welded on the surface of the baffle, and the side of the shift block is attached to the magnet block. The material of the shift block is metal iron.

[0009] Preferably, the surface of the first shaft rod is fixedly connected to a push thread, and a hole is provided on the surface of the first shaft rod.

[0010] The utility model provides a planetary extruder push screw with the following advantages: the planetary extruder push screw is provided with a second shaft rod at one end of the first shaft rod, and a second shaft rod is provided at the other end of the second shaft rod, and a mounting hole is opened at one end of the first shaft rod, the second shaft rod and the third shaft rod, and a connecting component is provided for the other end of the second shaft rod and the third shaft rod, the connecting component includes a hole, a screw, a fixing rod and an internal threaded hole, the other end of the second shaft rod is fixedly connected to the fixing rod, and the fixing rod is embedded in the mounting hole, and an internal threaded hole is opened on the surface of the fixing rod, and a screw is installed inside the internal threaded hole, and the screw is located inside the hole. When the planetary extruder push screw to be installed is long, the screw can be removed and the excessively long shaft rod can be taken out. When the length is short, the shaft rod can be connected to the planetary extruder push screw and fixed by screws. The length of the planetary extruder push screw can be changed by screws, which is very convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the first shaft structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the positioning rod structure of the utility model;

[0015] Figure 4 This is a schematic diagram of the second shaft structure of the utility model;

[0016] Figure 5 For the utility model Figure 4 Enlarged view of part A.

[0017] Explanation of the markings in the figure: 1. Push thread; 2. First shaft; 3. Second shaft; 4. Third shaft; 5. Hole; 6. Screw; 7. Fixing rod; 8. Positioning rod; 9. Block; 10. Positioning hole; 11. Mounting hole; 12. Slot; 13. Cavity; 14. Baffle; 15. Push block; 16. Magnet block; 17. Internal threaded hole; 18. Connecting assembly; 19. Positioning assembly. DETAILED DESCRIPTION

[0018] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0019] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying 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 embodiments of the present invention.

[0020] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0021] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0022] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0023] In order to better understand the purpose, structure and function of the utility model, the push screw of a planetary extruder of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0024] like Figure 1-5 As shown, a planetary extruder push screw of the utility model comprises a first shaft rod 2, a mounting hole 11 is provided at one end of the first shaft rod 2, a second shaft rod 3 is provided at one end of the first shaft rod 2, a third shaft rod 4 is provided at one end of the second shaft rod 3, and the second shaft rod 3 and the third shaft rod 4 are installed on the first shaft rod 2 to provide a foundation for adjusting the length of the planetary extruder push screw, which is very convenient to use. The second shaft rod 3 and the third shaft rod 4 are both provided with mounting holes 11 at one end, and the second shaft rod 3 is provided with a connecting assembly 18 at the other end. The connecting assembly 1 8 includes a fixing rod 7, an internal threaded hole 17, a screw 6 and a hole 5. The hole 5 is opened on the surface of the second shaft rod 3. The other end of the second shaft rod 3 is fixedly connected to the fixing rod 7. The surface of the fixing rod 7 is opened with an internal threaded hole 17. The screw 6 is installed inside the internal threaded hole 17. The screw 6 is located inside the hole 5. The other end of the third shaft rod 4 is provided with a connecting component 18. The fixing rod 7 is embedded in the mounting hole 11. Through the installation of the connecting component 18, the first shaft rod 2 is provided with a second shaft rod 3 that can be installed and removed. At this time, the length of the planetary extruder push screw can be adjusted, which is very convenient to use.

[0025] A positioning assembly 19 is provided at the other end of the fixing rod 7. The positioning assembly 19 includes a positioning rod 8, a clamping block 9, a positioning hole 10 and a clamping slot 12. The other end of the fixing rod 7 is fixedly connected to the positioning rod 8. The clamping block 9 is welded on the surface of the positioning rod 8. The positioning rod 8 is located inside the positioning hole 10, and the clamping block 9 is located inside the clamping slot 12. By installing the positioning assembly 19, the positioning rod 8 is embedded in the positioning hole 10, and at the same time, the clamping block 9 is embedded in the clamping slot 12. At this time, the internal threaded hole 17 opened on the surface of the fixing rod 7 can be aligned with the hole 5, which is more convenient when the screws 6 are installed to fix it.

[0026] A cavity 13 is provided inside the second shaft 3, a baffle 14 is provided inside the cavity 13, the baffle 14 is located inside the hole 5, and the screw 6 is located on the side of the baffle 14. By installing the baffle 14, the baffle 14 can be used to hide the screw 6, which is very convenient to use.

[0027] A magnet block 16 is bonded inside the second shaft 3, a shift block 15 is welded on the surface of the baffle 14, and the side of the shift block 15 is attached to the magnet block 16. The material of the shift block 15 is metal iron. By installing the shift block 15 and the magnet block 16, and on the premise that the material of the shift block 15 is metal iron, the magnetic attraction effect can be used to fix the shift plate on the magnet block 16, and at the same time provide a fixing effect for the baffle 14, which is very convenient to use.

[0028] The surface of the first shaft rod 2 is fixedly connected to the push thread 1, and a hole 5 is provided on the surface of the first shaft rod 2. By installing the push thread 1, when the first shaft rod 2 rotates, the push thread 1 can be driven to rotate, and then the push thread 1 is used to push the material, which is very convenient to use.

[0029] The working principle of the planetary extruder push screw: When using the planetary extruder push screw, the position of the planetary extruder push screw should be installed according to the needs to adjust the length of the planetary extruder push screw. When the planetary extruder push screw to be installed is longer, the help piece can be moved by the dial plate first, and then the screw 6 inside the hole 5 is exposed, and then the screw 6 is removed to remove the overlong shaft. When the length is shorter, the shaft can be connected to the planetary extruder push screw. During installation, the positioning rod 8 is first embedded in the positioning hole 10, and the card block 9 is embedded in the card slot 12. Inside, the internal threaded hole 17 opened on the surface of the fixing rod 7 can be aligned with the hole 5, and then it is more convenient to install the screw 6 to fix it. At this time, the screw 6 is inserted into the hole 5, and the internal threaded hole 17 is installed to fix it. The screw 6 can be used to change the length of the planetary extruder pushing screw, which is very convenient to use. Then, the baffle 14 is moved to a suitable position through the dial plate, and on the premise that the material of the dial block 15 is metal iron, the magnetic attraction effect can be used to fix the dial plate on the magnet block 16, and at the same time, a fixing effect is provided for the baffle 14, which is very convenient to use.

[0030] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A planetary extruder push screw, comprising a first shaft (2), characterized in that: A mounting hole (11) is provided at one end of the first shaft rod (2); a second shaft rod (3) is provided at one end of the first shaft rod (2); a third shaft rod (4) is provided at one end of the second shaft rod (3); mounting holes (11) are provided at one end of both the second shaft rod (3) and the third shaft rod (4); a connecting component (18) is provided at the other end of the second shaft rod (3); the connecting component (18) comprises a fixing rod (7), an internal threaded hole (17), a screw (6) and a hole (5); a hole (5) is provided on the surface of the second shaft rod (3); the other end of the second shaft rod (3) is fixedly connected to the fixing rod (7); an internal threaded hole (17) is provided on the surface of the fixing rod (7); a screw (6) is installed inside the internal threaded hole (17); the screw (6) is located inside the hole (5); a connecting component (18) is provided at the other end of the third shaft rod (4); the fixing rod (7) is embedded in the mounting hole (11).

2. The planetary extruder push screw according to claim 1, characterized in that: The other end of the fixing rod (7) is provided with a positioning assembly (19), the positioning assembly (19) comprising a positioning rod (8), a clamping block (9), a positioning hole (10) and a clamping slot (12); the other end of the fixing rod (7) is fixedly connected to the positioning rod (8), the clamping block (9) is welded on the surface of the positioning rod (8), the positioning rod (8) is located inside the positioning hole (10), and the clamping block (9) is located inside the clamping slot (12).

3. The planetary extruder push screw according to claim 1, characterized in that: A cavity (13) is provided inside the second shaft (3), a baffle (14) is provided inside the cavity (13), the baffle (14) is located inside the hole (5), and the screw (6) is located on the side of the baffle (14).

4. The planetary extruder push screw according to claim 3, characterized in that: A magnet block (16) is bonded inside the second shaft (3), a shift block (15) is welded on the surface of the baffle (14), a side surface of the shift block (15) is attached to the magnet block (16), and the material of the shift block (15) is metal iron.

5. The planetary extruder push screw according to claim 1, characterized in that: The surface of the first shaft rod (2) is fixedly connected to the push thread (1), and a hole (5) is provided on the surface of the first shaft rod (2).

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