Band saw auxiliary device for cutting rock wool

Abstract

This utility model discloses an auxiliary device for a band saw used for cutting rock wool, which can precisely adjust the height position of the lower tray relative to the band saw. The auxiliary device includes a central shaft with a cavity. The central shaft has a first journal, a second journal, and a third journal. The first journal is located above the second journal, and the second journal is located above the third journal. The first journal is used to mount a first bearing, the second journal is used to mount an upper chuck, and the third journal is used to connect to the lower tray. The band saw is located between the upper chuck and the lower tray, and the band saw abuts against the first bearing. The upper chuck is threadedly connected to the second journal, and the lower tray is threadedly connected to the third journal. A first nut is fastened above the upper chuck, and a second nut is fastened below the lower tray.

Description

Technical Field

[0001] This utility model belongs to the technical field of auxiliary devices for cutting rock wool, specifically relating to an auxiliary device for a band saw used for cutting rock wool. Background Technology

[0002] The band saw auxiliary device used for cutting rock wool is a device that stabilizes the band saw during the rock wool cutting process.

[0003] For example, Chinese utility model patent with publication number CN209987022U and publication date January 24, 2020 discloses an auxiliary device for a band saw for cutting rock wool, including an upper chuck, a support sleeve, and a lower tray rotatably mounted on a central shaft. The upper chuck, support sleeve, and lower tray are arranged sequentially from top to bottom and are coaxial, with a gap between the upper chuck and the lower tray. A chip blowing device is also provided to allow airflow to pass between the upper chuck and the lower tray.

[0004] When adjusting the height of this band saw auxiliary device for cutting rock wool, the clamping arm is first loosened, and then the height position of the central shaft relative to the clamping arm is manually adjusted. Since the central shaft is adjusted by pushing and pulling, the stroke is relatively large, making it difficult to precisely adjust the lower tray to fit against the band saw. Utility Model Content

[0005] The purpose of this invention is to provide an auxiliary device for a band saw used for cutting rock wool, which can precisely adjust the height position of the lower tray relative to the band saw.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: An auxiliary device for a band saw used for cutting rock wool includes a central shaft with a cavity. The central shaft has a first journal, a second journal, and a third journal. The first journal is located above the second journal, and the second journal is located above the third journal. The first journal is for mounting a first bearing, the second journal is for mounting an upper chuck, and the third journal is for connecting to a lower tray. The band saw is located between the upper chuck and the lower tray, and the band saw abuts against the first bearing. The upper chuck is threadedly connected to the second journal, and the lower tray is threadedly connected to the third journal. A first nut is fastened above the upper chuck, and a second nut is fastened below the lower tray.

[0007] Based on the above scheme and as a preferred embodiment of the above scheme, it also includes an air nozzle, which is positioned between the upper chuck and the lower tray.

[0008] Based on the above scheme and as a preferred embodiment of the above scheme: the outer diameter of the first journal is greater than the outer diameter of the second journal and the outer diameter of the third journal.

[0009] Based on the above scheme and as a preferred embodiment of the above scheme: a wear-resistant block is provided on the upper chuck at a position opposite to the band saw.

[0010] Based on the above scheme and as a preferred embodiment of the above scheme: a wear-resistant block is provided at the position of the lower tray opposite to the band saw.

[0011] The outstanding and beneficial technical effects of this utility model compared to the prior art are: This utility model discloses an auxiliary device for a band saw used for cutting rock wool. It employs a structure where the upper chuck is threadedly connected to the second journal, and the lower tray is threadedly connected to the third journal. Because the lower tray only rotates one revolution to adjust one pitch, and the pitch is relatively small, the position of the lower tray relative to the band saw can be adjusted very precisely. Similarly, the position of the upper chuck relative to the band saw can also be adjusted. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the cross-sectional structure of this utility model.

[0013] In the diagram, 1 is the central shaft; 2 is the cavity; 3 is the first journal; 4 is the second journal; 5 is the third journal; 6 is the first bearing; 7 is the upper chuck; 8 is the lower tray; 9 is the first nut; 10 is the second nut; 11 is the air nozzle; and 12 is the wear block. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the given embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0015] In the description of this application, it should be understood that the terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0016] In the description of this application, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated.

[0017] This utility model discloses an auxiliary device for a band saw used for cutting rock wool, including a central shaft 1 with a cavity 2. The central shaft 1 has a first journal 3, a second journal 4, and a third journal 5. The first journal 3 is located above the second journal 4, and the second journal 4 is located above the third journal 5. The first journal 3 is used to mount a first bearing 6, the second journal 4 is used to mount an upper chuck 7, and the third journal 5 is connected to a lower tray 8. The band saw is located between the upper chuck 7 and the lower tray 8, and the band saw abuts against the first bearing 6. The upper chuck 7 is threadedly connected to the second journal 4, and the lower tray 8 is threadedly connected to the third journal 5. In this embodiment, the upper chuck 7 has an internal thread, and the second journal 4 has an external thread, thereby enabling the upper chuck 7 to be threadedly connected to the second journal 4. Similarly, the lower tray 8 has an internal thread, and the third journal 5 has an external thread, thereby enabling the lower tray 8 to be threadedly connected to the third journal 5. In this embodiment, the outer diameter of the first journal 3 is larger than the outer diameter of the second journal 4 and the outer diameter of the third journal 5. Thus, the upper chuck 7 is assembled from the upper part of the central shaft 1, and the lower tray 8 can be assembled from the lower part of the central shaft 1.

[0018] Because the lower pallet 8 only rotates one revolution to adjust one pitch, and the pitch is relatively small, the position of the lower pallet 8 relative to the band saw can be adjusted more precisely. Similarly, the upper chuck 7 only rotates one revolution to adjust one pitch, and the pitch is relatively small, so the position of the lower pallet 8 relative to the band saw can be adjusted more precisely.

[0019] As shown in the figure, the first nut 9 is fastened above the upper chuck 7, and the second nut 10 is fastened below the lower tray 8. The structure of the first nut 9 and the second nut 10 allows the upper chuck 7 and the lower tray 8 to be stably fixed on the second journal 4 located on the third journal 5.

[0020] In this embodiment, the band saw auxiliary device for rock wool cutting also includes an air nozzle 11, which is positioned between the upper chuck 7 and the lower tray 8. The air nozzle 11 can be used to remove debris generated during the cutting process of the rock wool between the upper chuck 7 and the lower tray 8.

[0021] As shown in the figure, a wear-resistant block 12 is provided on the upper chuck 7, opposite to the band saw. A wear-resistant block 12 is also provided on the lower tray 8, opposite to the band saw. In practical applications, the wear-resistant block 12 rests against the band saw. Typically, the wear-resistant block 12 can be made of nylon or TPFE material. When the wear-resistant block 12 experiences minor wear, the positions of the upper chuck 7 and lower tray 8 can be adjusted accordingly to regain the proper contact position.

[0022] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection of the present utility model.

Claims

1. An auxiliary device for a band saw used for cutting rock wool, comprising a central shaft having a cavity, characterized in that: The central shaft has a first journal, a second journal, and a third journal. The first journal is located above the second journal, and the second journal is located above the third journal. The first journal is for mounting a first bearing, the second journal is for mounting an upper chuck, and the third journal is for connecting to a lower tray. The band saw is located between the upper chuck and the lower tray, and the band saw abuts against the first bearing. The upper chuck is threaded to the second journal, and the lower tray is threaded to the third journal. A first nut is fastened above the upper chuck, and a second nut is fastened below the lower tray.

2. The band saw auxiliary device for rock wool cutting according to claim 1, characterized in that: It also includes an air nozzle positioned between the upper chuck and the lower tray.

3. The band saw auxiliary device for rock wool cutting according to claim 1, characterized in that: The outer diameter of the first journal is greater than the outer diameter of the second journal and the outer diameter of the third journal.

4. The band saw auxiliary device for rock wool cutting according to claim 1, characterized in that: A wear-resistant block is provided on the upper chuck at a position opposite to the band saw.

5. The band saw auxiliary device for rock wool cutting according to claim 1, characterized in that: A wear-resistant block is provided at the position opposite to the band saw on the lower tray.

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