Rotary table structure with single rotary support

Abstract

The utility model discloses a rotary table structure with a single rotary support, which relates to the technical field of shot blasting machines, and particularly comprises a support structure, a positioning spindle and a walking trolley, the support structure is fixed with the top of the walking trolley through a fixing block, and the support structure comprises an outer protective support ring fixedly connected with the fixing block; the inner wall of the outer protection supporting ring is movably connected with an inner rotating supporting ring through steel shots, meshing teeth are evenly arranged on the inner wall of the inner rotating supporting ring, the top of the walking trolley is movably connected with a rotating gear, and the rotating gear is meshed with the meshing teeth. According to the single-rotation supporting rotary table structure, through the arrangement of the supporting structure, rotation and supporting can be conducted, the structure is simple, maintenance is convenient, lubricating and sealing are convenient, and the fault rate is low; and through the arrangement of the fixing blocks, the supporting structure can be shielded and supported by the fixing blocks, the supporting structure can be prevented from being clamped by shot blasting when the single-rotation supporting rotary table structure is used, and the structure is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of shot blasting machines, in particular to a single-revolving support turntable structure. Background Art

[0002] Shot blasting machine is a commonly used device for surface treatment and strengthening of workpieces. It is driven by electricity. The projectiles are accelerated by centrifugal force and projected onto the surface to be cleaned to achieve the cleaning effect. It is widely used in the machinery industry and the construction industry.

[0003] In the prior art, a support turntable structure of a shot blasting machine is as shown in the attached manual. Figure 5 As shown, this type of support turntable structure includes a plurality of rollers distributed in a circle, and the rollers are arranged on a trolley. The middle main shaft of the trolley is connected to the upper platform (for placing parts) to perform positioning work, and the upper platform uses rollers for support and rolling. Since the function of the roller is to achieve rolling and support, the lubrication of the roller is particularly important. Since the two adjacent rollers are in a mutually independent state, when this type of support turntable structure is used, it is necessary to set a lubrication point on each roller attachment, resulting in a complex structure of this support turntable structure; the roller and the platform are in a point contact state, and the contact surface between the roller and the platform is small, which is not conducive to supporting the platform; the staff needs to inspect each roller, which affects the convenience of inspection; and when this type of support turntable structure is used, the support is in an exposed state, and there is a risk of the shot blasting getting stuck on the roller; based on this, the present application proposes a single-turn support turntable structure. Utility Model Content

[0004] The utility model provides a single rotary support turntable structure, which solves the problem that when the rotary support turntable structure proposed in the above background technology adopts multiple circumferentially distributed rollers for support and rolling, the inspection and lubrication of the rollers are troublesome, the contact area between the rollers and the platform is small, which is not conducive to supporting the platform; and the rollers are in an exposed state, and the shot blasting dropped on the trolley has the risk of getting stuck on the rollers.

[0005] The utility model provides the following technical solutions: a single-rotation support turntable structure, including a support structure, a positioning spindle and a traveling trolley, the support structure is fixed to the top of the traveling trolley through a fixed block, the support structure includes an outer protective support ring fixedly connected to the fixed block, the inner wall of the outer protective support ring is movably connected to an inner rotating support ring through steel shots, the inner wall of the inner rotating support ring is evenly provided with teeth, the top of the traveling trolley is movably connected to a rotating gear, and the rotating gear is meshed with the teeth; the positioning spindle is fixed to the middle of the traveling trolley.

[0006] Preferably, the top of the inner rotating support ring is located above the top of the outer protecting support ring, and there is a gap between the inner rotating support ring and the outer protecting support ring.

[0007] Preferably, a receiving groove adapted to the steel shot is provided at the middle of the inner wall of the outer protective support ring and the outer side of the inner rotating support ring, and the depth of the receiving groove is not greater than the radius of the steel shot.

[0008] Preferably, the fixed block includes a horizontal annular structure and a vertical annular structure, the bottom of the outer protective support ring is fixed to the top of the horizontal annular structure, the vertical annular structure is located on the outside of the outer protective support ring, and the height of the vertical annular structure is not greater than the height of the outer protective support ring.

[0009] Preferably, a reducer is fixedly connected to the top of the traveling trolley, and the end of the output shaft of the reducer is fixedly connected to the rotating gear.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. The single-rotation support turntable structure can be rotated and supported by setting the support structure. It has a simple structure, convenient maintenance, easy lubrication and sealing, low failure rate, and increases the contact area between the support structure and the platform, and can support the platform by replacement.

[0012] 2. The single-revolving support turntable structure can shield and support the support structure through the setting of the fixed block, so as to avoid the shot blasting getting stuck in the support structure when the single-revolving support turntable structure is in use, thereby facilitating the use of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a top view schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the structural section of the utility model;

[0015] Figure 3 It is a top view schematic diagram of the connection between the outer protective support ring and the inner rotating support ring of the structure of the utility model;

[0016] Figure 4 This is a cross-sectional schematic diagram of the connection between the outer protective support ring and the inner rotating support ring of the structure of the utility model;

[0017] Figure 5 It is a schematic diagram of the structure of a slewing support turntable in the prior art.

[0018] In the figure: 1. Traveling trolley; 2. Fixed block; 3. Outer protective support ring; 4. Inner rotating support ring; 5. Steel shot; 6. Rotating gear; 7. Gear; 8. Receiving groove; 9. Reducer; 10. Positioning spindle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides a single-rotation support turntable structure, including a support structure, a positioning spindle 10 and a traveling trolley 1, the support structure is fixed to the top of the traveling trolley 1 through a fixed block 2, the fixed block 2 includes a horizontal ring structure and a vertical ring structure, the support structure is located on the inner side of the vertical ring structure, the bottom of the support structure is fixedly connected to the top of the horizontal ring structure, through the setting of the fixed block 2, when the single-rotation support turntable structure is in use, the fixed block 2 can protect the support structure, can avoid the contact between the shot blasting and the support structure, thereby preventing the support structure from getting stuck to the shot blasting.

[0021] The support structure includes an outer protective support ring 3 fixedly connected to the top of the horizontal annular structure, and the height of the vertical annular structure is not greater than the height of the outer protective support ring 3. The inner wall of the outer protective support ring 3 is movably connected to the inner rotating support ring 4 through steel shot 5, and the top of the inner rotating support ring 4 is located above the top of the outer protective support ring 3. It can be seen from the above description that when the single-turn support turntable structure is in use, the inner rotating support ring 4 can support and rotate the platform fixed on the walking trolley 1. Compared with the prior art, the contact area between the support structure and the platform in the present application is increased, which can better support the platform.

[0022] The middle of the inner wall of the outer protection support ring 3 and the outer side of the inner rotation support ring 4 are both provided with a receiving groove 8 adapted to the steel shot 5, and the depth of the receiving groove 8 is not greater than the radius of the steel shot 5, that is, there is a gap between the inner rotation support ring 4 and the outer protection support ring 3. Such a setting can reduce the friction force when the inner rotation support ring 4 rotates, and facilitate the lubrication of the steel shot 5, so as to facilitate the rotation of the inner rotation support ring 4.

[0023] The inner wall of the inner rotating support ring 4 is evenly provided with teeth 7, the top of the traveling trolley 1 is movably connected with a rotating gear 6, the rotating gear 6 is meshed with the teeth 7, the top of the traveling trolley 1 is fixedly connected with a reducer 9, and the output shaft end of the reducer 9 is fixedly connected with the rotating gear 6. Through the setting of the reducer 9, the rotation of the reducer 9 can drive the rotating gear 6 fixedly connected thereto to rotate, and the rotating gear 6 can drive the inner rotating support ring 4 to rotate through the teeth 7 meshed therewith.

[0024] The positioning spindle 10 is fixed to the middle of the traveling trolley 1. The positioning spindle 10 is used to connect the platform (for placing parts) on the traveling trolley 1 to play a positioning role.

[0025] To sum up: when the single-turn rotary support turntable structure is in use, the inner rotating support ring 4 is used to support the platform (for placing parts) connected to the positioning spindle 10, thereby increasing the contact area between the turntable structure and the platform, and the supporting structure is protected by the fixed block 2, and the supporting structure will not be exposed to the outside, which can prevent the shot blasting from getting stuck in the supporting structure; when the reducer 9 is working, it can drive the meshing teeth 7 to rotate by rotating the gear 6, and the meshing teeth 7 drives the inner rotating support ring 4 fixedly connected thereto to rotate, and the inner rotating support ring 4 can drive the platform to rotate.

[0026] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art and will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A single-turn support turntable structure, comprising a support structure, a positioning spindle (10) and a traveling trolley (1), characterized in that: The support structure is fixed to the top of the traveling trolley (1) via a fixed block (2), and the support structure comprises an outer protective support ring (3) fixedly connected to the fixed block (2); the inner wall of the outer protective support ring (3) is movably connected to an inner rotating support ring (4) via a steel shot (5); the inner wall of the inner rotating support ring (4) is evenly provided with teeth (7); the top of the traveling trolley (1) is movably connected to a rotating gear (6), and the rotating gear (6) is meshed with the teeth (7); the positioning spindle (10) is fixed to the middle of the traveling trolley (1).

2. The single-revolving support turntable structure according to claim 1, characterized in that: The top of the inner rotating support ring (4) is located above the top of the outer protective support ring (3), and there is a gap between the inner rotating support ring (4) and the outer protective support ring (3).

3. The single-rotation support turntable structure according to claim 1, characterized in that: The middle part of the inner wall of the outer protective support ring (3) and the outer side of the inner rotating support ring (4) are both provided with a receiving groove (8) adapted to the steel shot (5), and the depth value of the receiving groove (8) is not greater than the radius value of the steel shot (5).

4. The single-rotation support turntable structure according to claim 1, characterized in that: The fixed block (2) comprises a horizontal annular structure and a vertical annular structure, the bottom of the outer protective support ring (3) is fixed to the top of the horizontal annular structure, the vertical annular structure is located outside the outer protective support ring (3), and the height of the vertical annular structure is not greater than the height of the outer protective support ring (3).

5. The single-rotation support turntable structure according to claim 1, characterized in that: A reducer (9) is fixedly connected to the top of the walking trolley (1), and the output shaft end of the reducer (9) is fixedly connected to the rotating gear (6).

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