High-stability screw for plastic extruding machine

Abstract

The utility model discloses a high-stability screw rod for an extruding machine, which comprises a screw rod main body, the rear end surface of the screw rod main body is fixedly connected with a lantern ring, the front end surface of the screw rod main body is fixedly connected with a conical head, the inner ring of the lantern ring is movably clamped with a fixing plate, the outer surface of the lantern ring is fixedly connected with a fixing block, and the conical head is fixedly connected with the fixing block. A nut is fixedly connected to the surface of the side edge of the fixing block, and a threaded rod is movably connected to the surface of the inner ring of the nut in a clamped mode. According to the device, when a user needs to use and adjust the length of a threaded rod, the user needs to screw a threaded rod and take down the threaded rod from an arranged nut, then the user can use and adjust a fixing plate on a first hollow opening formed in an inner ring of a lantern ring, and after the user adjusts the fixing plate to a proper height, the user can conveniently adjust the length of the threaded rod. And a user can adjust the length of the screw rod, so that the user can adapt the screw rod to scenes with different use requirements.

Description

Technical Field

[0001] The utility model belongs to the technical direction of the screw of an extruder, and particularly relates to a screw for an extruder with high stability. Background Technique

[0002] A screw is a cylinder with spiral grooves cut on its outer surface or a cone with conical spiral grooves cut. The screw has different heads, and the head is called an external hexagonal screw. There are also others, such as large flat screws, internal hexagonal screws, etc. When a user uses an extruder, the user needs to use a screw.

[0003] The following problems exist in the prior art:

[0004] 1. The existing screws on the market currently have imperfect functions when the user needs to adjust them according to different usage scenarios. In this case, the user needs to purchase screws of different lengths to adapt to different scenarios, increasing the user's usage cost;

[0005] 2. When the user needs to use auxiliary tools to limit and stably install the existing screws on the market as a whole, it increases the user's installation time. Content of the Utility Model

[0006] The purpose of the utility model is to provide a screw for an extruder with high stability for the existing device, so as to solve the problems put forward in the above background technique.

[0007] To solve the above technical problems, the utility model provides the following technical solution: A screw for an extruder with high stability, including a screw main body, and a collar is fixedly connected to the rear end surface of the screw main body.

[0008] A conical head is fixedly connected to the front end surface of the screw main body, a fixing plate is movably clamped in the inner ring of the collar, and a fixing block is fixedly connected to the outer surface of the collar.

[0009] A nut is fixedly connected to the side surface of the fixing block, and a threaded rod is movably clamped in the inner ring surface of the nut.

[0010] The utility model further explains that an installation flange is fixedly connected to the rear end surface of the fixing plate, and the installation flange is connected between the fixing plate and the collar.

[0011] Adopting the above technical solution, the installation flange connected between the fixing plate and the collar in this solution can facilitate the user to connect the collar and the installation flange.

[0012] The utility model further explains that an installation opening is penetrated through the front surface of the installation flange, and the number of installation openings is multiple and the installation openings are arranged in a circle around the installation flange as the center point.

[0013] With the above technical solution, the installation openings, which are multiple in number and are arranged around the installation flange with the center of the installation opening as the center point, can facilitate the user to use bolts to limit the installation of the installation flange.

[0014] The present utility model further illustrates that a first hollow opening is formed on the inner ring surface of the collar, and the size between the first hollow opening and the fixing plate matches each other.

[0015] With the above technical solution, the first hollow opening with a size that matches the fixing plate can facilitate the user to insert the fixing plate into the collar for clamping and limiting.

[0016] The present utility model further illustrates that a protective frame is fixedly connected to the side surface of the collar, and the structure between the protective frame and the threaded rod fits each other.

[0017] With the above technical solution, the protective frame with a structure that fits the threaded rod can facilitate the user to protect the threaded rod during use.

[0018] The present utility model further illustrates that the fixing block connects the nut and the collar, and the fixing block is symmetrically arranged with respect to the vertical center line of the nut.

[0019] With the above technical solution, the fixing block symmetrically arranged with respect to the vertical center line of the nut can facilitate the user to stably install the nut on the collar.

[0020] Compared with the prior art, the beneficial effects achieved by the present utility model are as follows:

[0021] The present utility model provides a screw for an extruder with high stability. Through the mutual cooperation and use of the screw body, collar, installation flange, installation opening, fixing plate, threaded rod, fixing block, nut, conical head, first hollow opening and protective frame, it can facilitate the user to adjust the length of the screw for use so that the user can apply the screw to different usage scenarios. When the user needs to adjust the length of the screw during use, the user needs to turn the threaded rod, and the user needs to remove it from the set nut. Then the user can adjust the use on the first hollow opening formed on the inner ring of the collar. After the user adjusts to the appropriate height, the user can adjust the length of the screw for use. In this way, the user can apply the screw to different usage demand scenarios, meeting the user's usage demand for length adjustment.

[0022] The present utility model provides a screw rod for an extruder with high stability. By means of the provided fixing plate, the mounting flange fixedly connected to the rear end surface of the fixing plate, and the mounting opening penetratingly provided on the mounting flange and equipped with bolts, it is convenient for the user to use and install the mounting flange. In this way, the user can use and install the screw rod with overall limitation, meeting the user's requirement for overall limitation use and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0024] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0025] Figure 2 is a top view of the structure of the present utility model;

[0026] Figure 3 is a sectional view of the structure of the present utility model from above;

[0027] Figure 4 is the structure of the present utility model Figure 1 enlarged view of the structure at position A in;

[0028] Figure 5 is a front view of the structure of the present utility model.

[0029] In the figure: 1, screw rod main body; 2, collar; 3, mounting flange; 4, mounting opening; 5, fixing plate; 6, threaded rod; 7, fixing block; 8, nut; 9, conical head; 10, first hollow opening; 11, protective frame. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The following further describes the technical solution of the present utility model in detail with reference to the preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Please refer to Figures 1-5 , the present utility model provides a technical solution: a screw rod for an extruder with high stability, including a screw rod main body 1, a collar 2 fixedly connected to the rear end surface of the screw rod main body 1, and a conical head 9 fixedly connected to the front end surface of the screw rod main body 1.

[0032] In this embodiment, an installation flange 3 is fixedly connected to the rear end surface of the fixed plate 5, and the installation flange 3 is connected between the fixed plate 5 and the collar 2. The installation flange 3 connected between the fixed plate 5 and the collar 2 enables the user to easily connect the collar 2 and the installation flange 3. An installation opening 4 is formed through the front surface of the installation flange 3, and the number of installation openings 4 is multiple and the installation openings 4 are arranged in a circle around the installation flange 3 as the center point. The multiple installation openings 4 arranged in a circle around the installation flange 3 as the center point enable the user to use bolts to limit the installation of the installation flange 3.

[0033] Embodiment 2

[0034] As Figures 1-5 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, the inner ring of the collar 2 is movably clamped with the fixed plate 5, and a fixed block 7 is fixedly connected to the outer surface of the collar 2.

[0035] In this embodiment, a first hollow opening 10 is formed on the inner ring surface of the collar 2, and the size of the first hollow opening 10 matches that of the fixed plate 5. The first hollow opening 10 whose size matches that of the fixed plate 5 enables the user to insert the fixed plate 5 into the collar 2 for clamping and limiting. A protective frame 11 is fixedly connected to the side surface of the collar 2, and the structure of the protective frame 11 matches that of the threaded rod 6. The protective frame 11 whose structure matches that of the threaded rod 6 enables the user to protect the threaded rod 6 during use.

[0036] Embodiment 3

[0037] As Figures 1-5 shown, on the basis of Embodiment 1 and Embodiment 2, the present utility model provides a technical solution: Preferably, a nut 8 is fixedly connected to the side surface of the fixed block 7, and the inner ring surface of the nut 8 is movably clamped with the threaded rod 6.

[0038] In this embodiment, the fixed block 7 connects the nut 8 and the collar 2, and the fixed block 7 is symmetrically arranged with respect to the vertical center line of the nut 8. The fixed block 7 symmetrically arranged with respect to the vertical center line of the nut 8 enables the user to stably install the nut 8 on the collar 2.

[0039] As Figures 1-5As shown, when the user needs to use it and needs to adjust the length of the screw rod, the user needs to turn the threaded rod 6, and the user needs to remove it from the set nut 8. Then the user can adjust the use of the fixing plate 5 on the first hollow opening 10 formed in the inner ring of the collar 2. After the user adjusts to the appropriate height, the user can adjust the length of the screw rod. In this way, the user can apply the screw rod to different usage scenarios, so that the user can adjust the length for use. By means of the fixing plate 5, the mounting flange 3 fixedly connected to the rear surface of the fixing plate 5, and the mounting opening 4 formed through the mounting flange 3 and equipped with bolts, it is convenient for the user to install the mounting flange 3. In this way, the user can perform overall limit use and installation of the screw rod, so that the user can perform overall limit use and installation.

[0040] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, 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 should not be construed as a limitation of the present invention.

[0041] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. These modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A screw for an extruder with high stability, comprising a screw body (1), characterized in that: A collar (2) is fixedly connected to the rear end surface of the screw body (1); A conical head (9) is fixedly connected to the front end surface of the screw body (1), and a fixing plate (5) is movably clamped on the inner ring of the collar (2); The outer surface of the collar (2) is fixedly connected to a fixing block (7), the side surface of the fixing block (7) is fixedly connected to a nut (8), the inner ring surface of the nut (8) is movably clamped with a threaded rod (6), and the inner ring surface of the collar (2) is provided with a first hollow opening (10).

2. A screw for an extruder with high stability according to claim 1, characterized in that: A mounting flange (3) is fixedly connected to the rear end surface of the fixing plate (5), and the mounting flange (3) is connected between the fixing plate (5) and the collar (2).

3. A screw for an extruder with high stability according to claim 2, characterized in that: A mounting opening (4) is provided through the front surface of the mounting flange (3), and there are a plurality of mounting openings (4) and the mounting openings (4) are arranged around the mounting flange (3) as a center point.

4. A screw for an extruder with high stability according to claim 1, characterized in that: A protective frame (11) is fixedly connected to the side surface of the collar (2), and the protective frame (11) and the threaded rod (6) are structurally matched with each other.

5. The screw for an extruder with high stability according to claim 1, characterized in that: The fixing block (7) connects the nut (8) and the collar (2), and the fixing block (7) is symmetrically arranged with the vertical midline of the nut (8) as the symmetry axis.

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