Heavy duty automatic turntable for sandblasting of inner wall tubes

Abstract

The utility model discloses a heavy load automatic rotary table of inner wall pipe sand blasting uses, including flange rotary table main shaft and axle seat, the flange rotary table main shaft installs in the axle seat, is provided with rotary table sealing washer between flange rotary table main shaft below and axle seat top, the flange rotary table main shaft and axle seat inner wall are installed with upper bearing, intermediate bearing and lower bearing in proper order. The utility model all adopts multichannel labyrinth type sealing isolation structure with sand dust contact transmission part, can prevent most sand dust from entering axle seat through first outer dustproof curtain, and a small amount of dust is prevented and isolated in two axle seat sealing ring parts, and extremely small amount of dust enters rotary table sealing washer part, and the protection of rotary table sealing washer and lower bearing sealing ring can be completely closed dust and enter axle seat, and the structure of this kind of heavy load high -speed rotary table is reliable, stable, and can guarantee the quick switching of the multistage speed or the positive and negative rotation of rotary table, and the compatibility is wide, and the free extension applicability is strong.

Description

Technical Field

[0001] This utility model relates to the field of automatic turntable technology, and in particular to a heavy-duty automatic turntable used for sandblasting of inner wall pipes. Background Technology

[0002] In the sandblasting of inner pipes, heavy-duty automatic turntables are used to solve a series of core pain points such as difficulty in rotating heavy pipes, uneven inner wall treatment, low automation, and high labor intensity. It is an indispensable key piece of equipment for achieving high-quality, high-efficiency, and automated inner wall treatment. In automated processing or handling processes, heavy workpieces are positioned and rotated to the required angle so that machines (such as robots, spray guns, and machine tool spindles) can process the workpieces from all directions without the need for frequent manual adjustments to the workpiece position, which greatly improves efficiency and consistency.

[0003] When existing automatic turntables are in use, a large amount of dust enters the turntable during the sandblasting process of the inner wall tube, which can cause the bearings inside the turntable to jam, resulting in unstable and unreliable operation of the turntable and inability to guarantee the switching between multiple speeds or forward and reverse rotation. To address these issues, we propose a heavy-duty automatic turntable for sandblasting of inner wall tubes. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a heavy-duty automatic turntable for sandblasting inner wall pipes.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A heavy-duty automatic turntable for sandblasting inner wall pipes includes a flange turntable spindle and a bearing seat. The flange turntable spindle is installed inside the bearing seat. A turntable sealing gasket is provided between the lower part of the flange turntable spindle and the upper part of the bearing seat. An upper bearing, an intermediate bearing, and a lower bearing are sequentially installed between the flange turntable spindle and the inner wall of the bearing seat. An intermediate bushing is placed between the intermediate bearing and the lower bearing. A lower bushing is placed below the lower bearing. A lower bearing sealing ring is placed between the bearing seat and the lower bushing. A drive pulley is installed below the flange turntable spindle by a locking nut. An outer dustproof curtain is installed on the outer side of the flange turntable spindle. A bearing seat sealing ring is sleeved on the outer side of the bearing seat.

[0006] Preferably, an annular groove is provided on the outer side of the bearing seat, the depth of the annular groove is the same as half the surface size of the bearing seat sealing ring, and the outer surface of the bearing seat sealing ring abuts against the inner wall of the flange turntable spindle.

[0007] Preferably, the upper end of the lower bushing abuts against the lower bearing, and the lower end of the lower bushing abuts against the surface of the drive pulley.

[0008] Preferably, the bottom surface of the flange turntable spindle is provided with external threads.

[0009] Preferably, the cross-section of the outer dustproof curtain is annular, and the width of the outer dustproof curtain is greater than the top width of the flange turntable spindle.

[0010] Preferably, a rubber ring is fitted on the top outer side of the outer dustproof curtain, and the rubber ring and the outer dustproof curtain are connected to the outer side of the flange turntable main shaft by bolts.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: All transmission parts in this device that come into contact with sand and dust adopt a multi-layer labyrinth-style sealing and isolation structure. The first layer of external dustproof curtain can prevent most sand and dust from entering the bearing seat. A small amount of dust is blocked and isolated at the second bearing seat sealing ring. A very small amount of dust enters the turntable sealing gasket. The protection of the turntable sealing gasket and the lower bearing sealing ring can completely seal off dust from entering the bearing seat. This high-load, high-speed turntable has a reliable and stable structure and can ensure rapid switching between multiple speeds or forward and reverse rotations. It has wide compatibility, free extension and strong applicability. Attached Figure Description

[0012] Figure 1 A three-dimensional schematic diagram of a heavy-duty automatic turntable for sandblasting of inner wall pipes proposed in this utility model; Figure 2 This is a three-dimensional bottom view of a heavy-duty automatic turntable for sandblasting inner wall pipes proposed in this utility model. Figure 3 This is a three-dimensional cross-sectional schematic diagram of a heavy-duty automatic turntable used for sandblasting of inner wall pipes according to the present invention.

[0013] In the diagram: 1. Flange turntable spindle; 2. Turntable gasket; 3. Upper bearing; 4. Shaft seat seal ring; 5. Intermediate bearing; 6. Intermediate bushing; 7. Lower bearing; 8. Lower bearing seal ring; 9. Lower bushing; 10. Locking nut; 11. Drive pulley; 12. Outer dustproof curtain; 13. Shaft seat. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0015] Reference Figure 1-3A heavy-duty automatic turntable for sandblasting inner wall pipes includes a flange turntable spindle 1 and a bearing seat 13. The flange turntable spindle 1 is installed inside the bearing seat 13. A turntable sealing gasket 2 is provided between the lower part of the flange turntable spindle 1 and the upper part of the bearing seat 13. An upper bearing 3, an intermediate bearing 5, and a lower bearing 7 are sequentially installed between the inner walls of the flange turntable spindle 1 and the bearing seat 13. An intermediate bushing 6 is placed between the intermediate bearing 5 and the lower bearing 7. A lower bushing 9 is placed below the lower bearing 7. A lower bearing sealing ring 8 is placed between the bearing seat 13 and the lower bushing 9. A drive pulley 11 is installed below the flange turntable spindle 1 via a locking nut 10. The bottom surface of the flange turntable spindle 1 has an external thread. The locking nut 10 is threaded onto the surface of the flange turntable spindle 1, which can conveniently limit and lock the drive pulley 11. The upper end of the lower bushing 9 is connected to the lower shaft. The lower bearing 7 is supported by the lower bushing 9, and the lower end of the lower bushing 9 is in contact with the surface of the drive pulley 11. The lower bushing 9 can conveniently assist in supporting the lower bearing 7. At the same time, the lower bearing seal ring 8 is placed between the lower bushing 9 and the bearing seat 13 to increase the sealing of the lower end of the bearing seat 13. An outer dustproof curtain 12 is installed on the outside of the flange turntable main shaft 1. A bearing seat seal ring 4 is sleeved on the outside of the bearing seat 13. An annular groove is opened on the outside of the bearing seat 13. The depth of the annular groove is half the surface size of the bearing seat seal ring 4. The outer surface of the bearing seat seal ring 4 is in contact with the inner wall of the flange turntable main shaft 1. The annular groove opened on the outside of the bearing seat 13 can facilitate the engagement and installation of the bearing seat seal ring 4. At the same time, the depth of the annular groove is only half the width of the bearing seat seal ring 4, so that the bearing seat seal ring 4 can contact the inner wall of the flange turntable main shaft 1 to achieve a sealing effect.

[0016] Furthermore, refer to Figure 2 and Figure 3 It can be seen that the cross-section of the outer dustproof curtain 12 is set as an annular shape, and the width of the outer dustproof curtain 12 is greater than the top width of the flange turntable main shaft 1. By making the width of the outer dustproof curtain 12 greater than the top width of the flange turntable main shaft 1, it can conveniently block most of the dust.

[0017] Furthermore, refer to Figure 1 and Figure 3 It can be seen that the outer top of the outer dustproof curtain 12 is fitted with a rubber ring, and the rubber ring and the outer dustproof curtain 12 are connected to the outer side of the flange turntable main shaft 1 by bolts. The outer dustproof curtain 12 is threadedly connected to the flange turntable main shaft 1 by bolts passing through the rubber ring and the outer dustproof curtain 12, which facilitates the disassembly and assembly of the outer dustproof curtain 12.

[0018] Working principle: When this utility model is in use, the flange turntable spindle 1, according to the attached... Figure 1 Appendix Figure 2 and attached Figure 3By passing bolts through the rubber ring and the outer dustproof curtain 12, the outer dustproof curtain 12 can be installed on the top of the flange turntable main shaft 1. The outer dustproof curtain 12 forms the first sealing component, which can prevent most of the sand and dust from entering the shaft seat 13. When a small amount of dust can be blocked and isolated through the shaft seat sealing ring 4, a very small amount of dust enters the turntable sealing gasket 2. Under the protection of the turntable sealing gasket 2 and the lower bearing sealing ring 8, the dust can be completely sealed from entering the shaft seat 13. The above is the complete working principle of this utility model.

[0019] In this utility model, the installation, connection or setting methods of all the components mentioned above are common mechanical methods, and the specific structure, model and coefficient index of all the components are their own technologies. As long as they can achieve their beneficial effects, they can be implemented, so they will not be described in detail.

[0020] The above embodiments are preferred embodiments of this utility model, but the embodiments of this utility model are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of this utility model should be considered equivalent substitutions and are included within the protection scope of this utility model. In this utility model, unless otherwise stated, directional terms such as "up, down, left, right, front, back, inside, outside, and vertical and horizontal" only represent the orientation of the term in its conventional use or are common names understood by those skilled in the art, and should not be regarded as limitations on the term. At the same time, numerals such as "first," "second," and "third" do not represent specific quantities or orders, but are merely used for distinguishing names. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

Claims

1. A heavy-duty automatic turntable for sandblasting inner wall pipes, comprising a flange turntable spindle (1) and a bearing (13), characterized in that, The flange turntable spindle (1) is installed inside the bearing seat (13). A turntable sealing gasket (2) is provided between the lower part of the flange turntable spindle (1) and the upper part of the bearing seat (13). An upper bearing (3), an intermediate bearing (5) and a lower bearing (7) are installed sequentially between the inner wall of the flange turntable spindle (1) and the bearing seat (13). An intermediate bushing (6) is placed between the intermediate bearing (5) and the lower bearing (7). A lower bushing (9) is placed below the lower bearing (7). A lower bearing sealing ring (8) is placed between the bearing seat (13) and the lower bushing (9). A drive pulley (11) is installed below the flange turntable spindle (1) by a locking nut (10). An outer dustproof curtain (12) is installed on the outer side of the flange turntable spindle (1). A bearing seat sealing ring (4) is sleeved on the outer side of the bearing seat (13).

2. The heavy-duty automatic turntable for sandblasting inner wall pipes according to claim 1, characterized in that, An annular groove is provided on the outer side of the bearing seat (13). The depth of the annular groove is half the surface size of the bearing seat seal ring (4). The outer surface of the bearing seat seal ring (4) abuts against the inner wall of the flange turntable main shaft (1).

3. The heavy-duty automatic turntable for sandblasting inner wall pipes according to claim 1, characterized in that, The upper end of the lower bushing (9) abuts against the lower bearing (7) below, and the lower end of the lower bushing (9) abuts against the surface of the drive pulley (11).

4. The heavy-duty automatic turntable for sandblasting inner wall pipes according to claim 1, characterized in that, The bottom surface of the flange turntable spindle (1) is provided with external threads.

5. The heavy-duty automatic turntable for sandblasting inner wall pipes according to claim 1, characterized in that, The cross-section of the outer dustproof curtain (12) is set as an annular shape, and the width of the outer dustproof curtain (12) is greater than the top width of the flange turntable spindle (1).

6. The heavy-duty automatic turntable for sandblasting inner wall pipes according to claim 1, characterized in that, The outer dustproof curtain (12) is fitted with a rubber ring at the top of its outer side, and the rubber ring and the outer dustproof curtain (12) are connected to the outer side of the flange turntable main shaft (1) by bolts.

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