Slewing bearing spraying equipment and spraying method

Abstract

The present invention discloses a slewing bearing spraying equipment and a spraying method, wherein the slewing bearing spraying equipment comprises a support seat with a circular opening in the middle, a circular sealing seat is coaxially arranged on the outer edge of the circular opening, a sealing tooth structure is formed on the inner wall of the circular sealing seat, the outer ring of the slewing bearing is arranged in the circular sealing seat, so that the outer tooth groove structure of the outer ring is engaged in the sealing tooth structure; an end face sealing mechanism is arranged on the circular sealing seat, and the end face sealing mechanism at least comprises a sealing block movably arranged on the circular sealing seat, so that the sealing block can cover the opening of the sealing tooth structure. The problem that the wrapping and sealing operation of the slewing bearing is relatively cumbersome during sandblasting, each wrapping and sealing takes a long time, and the sealing effect is poor is solved.

Description

Technical Field

[0001] The invention relates to the field of slewing support manufacturing, and in particular to a slewing support spraying device and a spraying method. Background Art

[0002] The slewing bearing is a new type of mechanical component, which consists of inner and outer rings, rolling elements, etc. The slewing bearing is a large bearing that can withstand comprehensive loads and can withstand large axial, radial loads and overturning moments at the same time. The outer ring of the slewing bearing usually needs to be sandblasted after casting. Since the outer ring has a tooth groove structure, the tooth groove structure needs to be wrapped with a rubber strip before sandblasting to avoid damage to the tooth groove structure or residual sand in the tooth groove structure, which affects the later use of the outer ring. The existing wrapping and sealing operation is relatively cumbersome, and each wrapping and sealing takes a long time, and the sealing effect is poor. Summary of the invention

[0003] The purpose of the present invention is to provide a slewing bearing spraying device and a spraying method, which solves the problem that the wrapping and sealing operation of the slewing bearing during sandblasting is relatively cumbersome, each wrapping and sealing takes a long time, and the sealing effect is poor.

[0004] In order to achieve the above-mentioned object, the present invention provides a slewing bearing spraying device, the slewing bearing spraying device comprises a support seat with a circular opening in the middle, a circular sealing seat is coaxially arranged on the outer edge of the circular opening, a sealing tooth structure is formed on the inner wall of the circular sealing seat, and the outer ring of the slewing bearing is arranged in the circular sealing seat, so that the outer tooth groove structure of the outer ring is engaged in the sealing tooth structure;

[0005] The circular sealing seat is provided with an end face sealing mechanism, which at least comprises a sealing block movably provided on the circular sealing seat, so that the sealing block can cover the opening of the sealing tooth structure.

[0006] Preferably, a groove is formed on the outer side surface of the circular sealing seat;

[0007] The end face sealing mechanism also includes a bracket arranged in the groove body, a rotating shaft arranged on the bracket, and a pressing plate connected to the sealing block;

[0008] The pressing plate is rotatably arranged on the rotating shaft.

[0009] Preferably, the end face sealing mechanism further comprises a torsion spring arranged on the rotating shaft;

[0010] One end of the torsion spring is connected to the rotating shaft, and the other end is connected to the pressing plate.

[0011] Preferably, a groove is formed on the lower end surface of the sealing block, and a sealing rubber block matching with the outer tooth groove structure of the outer ring is arranged in the groove.

[0012] Preferably, a pressure ring is movably provided on the support seat so that the pressure ring can contact the end of the pressure plate.

[0013] Preferably, a cylinder is provided on the support seat, and a piston rod of the cylinder is connected to the pressure plate.

[0014] Preferably, a sealing ring is engaged in the inner ring groove of the outer ring.

[0015] Preferably, the sealing ring is composed of a plurality of arc-shaped sealing strips;

[0016] A snap-fitting groove structure and an embedding groove structure are respectively formed at two ends of the arc-shaped sealing strip.

[0017] Preferably, the slewing bearing spraying equipment further comprises a base, a turntable is rotatably provided on the base, and the support seat is fixed on the turntable.

[0018] The present invention also provides a method for spraying according to the above-mentioned slewing bearing spraying equipment; the method comprises:

[0019] 1) In the initial state, the pressure ring is pressed tightly against one end of the pressure plate, causing the sealing block to rise;

[0020] 2) Place the outer ring in the circular sealing seat so that the tooth groove structure of the outer ring is engaged in the sealing tooth structure;

[0021] 3) Open the cylinder to separate the pressure ring from the pressure plate, so that the sealing block is reset under the action of the torsion spring and is engaged with the end face of the sealing tooth structure;

[0022] 4) Fit the sealing ring into the inner ring groove of the outer ring;

[0023] 5) Sandblast both sides of the outer ring.

[0024] The present invention provides a slewing bearing spraying equipment, which comprises a support seat with a circular opening in the middle, a circular sealing seat is coaxially arranged on the outer edge of the circular opening, a sealing tooth structure is formed on the inner wall of the circular sealing seat, and the outer ring of the slewing bearing is arranged in the circular sealing seat so that the outer tooth groove structure of the outer ring is engaged in the sealing tooth structure; an end face sealing mechanism is arranged on the circular sealing seat, and the end face sealing mechanism at least comprises a sealing block movably arranged on the circular sealing seat so that the sealing block can cover the opening of the sealing tooth structure. During the specific operation, the outer ring is placed in the circular sealing seat so that the tooth groove structure of the outer ring is engaged in the sealing tooth structure; the sealing tooth structure can fill and seal the groove of the tooth groove structure to prevent sandblasting from entering the tooth groove. In the initial state, the pressure ring is pressed against one end of the pressure plate to make the sealing block tilt up; the cylinder is turned on to separate the pressure ring from the pressure plate, so that the sealing block is reset under the action of the torsion spring and is engaged with the end face of the sealing tooth structure; one end face of the tooth groove structure of the outer ring is in contact with the support seat, and the other end is sealed by the sealing block, so that the tooth groove structure of the outer ring can be fully wrapped by the column. At the same time, the sealing block and the circular sealing seat can also support and lock the outer ring to prevent it from falling off the support seat, and then the sealing ring is engaged in the inner ring groove of the outer ring; to prevent sandblasting from entering the inner ring groove during sandblasting, the front and back sides of the outer ring are sandblasted. The slewing bearing spraying equipment and spraying method provided by the present invention can quickly wrap and seal the tooth groove structure of the outer ring, avoiding damage to the tooth groove structure caused by sandblasting, or causing residual sandblasting in the tooth groove structure to affect the later use of the outer ring.

[0025] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 It is a front structural diagram of the slewing bearing spraying equipment provided by the present invention;

[0028] Figure 2 It is a back structural diagram of the slewing bearing spraying equipment provided by the present invention;

[0029] Figure 3 is a front view of the slewing bearing spraying equipment provided by the present invention;

[0030] Figure 4 This is a disassembled diagram of the slewing bearing spraying equipment provided by the present invention;

[0031] Figure 5It is a structural diagram of a circular sealing seat in the slewing bearing spraying equipment provided by the present invention;

[0032] Figure 6 It is a structural diagram of the end face sealing mechanism in the slewing bearing spraying equipment provided by the present invention.

[0033] Description of Reference Numerals

[0034] 1-base; 2-turntable; 3-support seat; 4-cylinder; 5-pressure ring; 6-circular opening; 7-circular opening; 8-end face sealing mechanism; 9-sealing ring; 10-outer ring; 11-sealing tooth structure; 12-trough body; 13-sealing block; 14-pressure plate; 15-bracket. DETAILED DESCRIPTION

[0035] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0036] like Figure 1-6 As shown: The present invention provides a slewing bearing spraying equipment, the slewing bearing spraying equipment comprises a support seat 3 with a circular opening 6 in the middle, a circular sealing seat 7 is coaxially arranged on the outer edge of the circular opening 6, a sealing tooth structure 11 is formed on the inner wall of the circular sealing seat 7, and an outer ring 10 of the slewing bearing is arranged in the circular sealing seat 7, so that the outer tooth groove structure of the outer ring 10 is engaged in the sealing tooth structure 11; an end face sealing mechanism 8 is arranged on the circular sealing seat 7, and the end face sealing mechanism 8 at least includes a sealing block 13 movably arranged on the circular sealing seat 7, so that the sealing block 13 can cover the opening of the sealing tooth structure 11. During the specific operation, the outer ring is placed in the circular sealing seat so that the tooth groove structure of the outer ring is engaged in the sealing tooth structure; the sealing tooth structure can fill and seal the groove of the tooth groove structure to prevent sandblasting from entering the tooth groove. In the initial state, the pressure ring is pressed against one end of the pressure plate to make the sealing block tilt up; the cylinder is turned on to separate the pressure ring from the pressure plate, so that the sealing block is reset under the action of the torsion spring and is engaged with the end face of the sealing tooth structure; one end face of the tooth groove structure of the outer ring is in contact with the support seat, and the other end is sealed by the sealing block, so that the tooth groove structure of the outer ring can be fully wrapped by the column. At the same time, the sealing block and the circular sealing seat can also support and lock the outer ring to prevent it from falling off the support seat, and then the sealing ring is engaged in the inner ring groove of the outer ring; to prevent sandblasting from entering the inner ring groove during sandblasting, the front and back sides of the outer ring are sandblasted. The slewing bearing spraying equipment and spraying method provided by the present invention can quickly wrap and seal the tooth groove structure of the outer ring, avoiding damage to the tooth groove structure caused by sandblasting, or causing residual sandblasting in the tooth groove structure to affect the later use of the outer ring.

[0037] In a preferred embodiment of the present invention, in order to facilitate the rotation of the sealing block 13 so that it can be engaged with the opening of the sealing tooth structure, or disengaged from the opening of the sealing tooth structure, so as to facilitate the installation or removal of the outer ring, a groove body 12 is formed on the outer side of the circular sealing seat 7;

[0038] The end face sealing mechanism 8 further includes a bracket 15 disposed in the groove body 12, a rotating shaft disposed on the bracket 15, and a pressing plate 14 connected to the sealing block 13;

[0039] The pressing plate 14 is rotatably disposed on the rotating shaft.

[0040] In a preferred embodiment of the present invention, in order to enable the pressure plate 14 to automatically reset, the end face sealing mechanism 8 further includes a torsion spring disposed on the rotating shaft;

[0041] One end of the torsion spring is connected to the rotating shaft, and the other end is connected to the pressing plate 14 .

[0042] In a preferred embodiment of the present invention, in order to enable the sealing block 13 to effectively seal the opening of the sealing tooth structure 11 and improve the sealing performance, a groove is formed on the lower end surface of the sealing block 13, and a sealing rubber block matching the external tooth groove structure of the outer ring 10 is arranged in the groove.

[0043] In a preferred embodiment of the present invention, in order to synchronously press down multiple pressure plates to synchronously rotate and open multiple sealing blocks 13, a pressure ring 5 is movably provided on the support seat 3 so that the pressure ring 5 can contact the end of the pressure plate 14.

[0044] In a preferred embodiment of the present invention, in order to drive the pressure plate to move, a cylinder 4 is provided on the support seat 3 , and a piston rod of the cylinder 4 is connected to the pressure plate 14 .

[0045] In a preferred embodiment of the present invention, in order to protect the inner ring groove of the outer ring 10 and prevent sandblasting from entering, a sealing ring 9 is engaged in the inner ring groove of the outer ring 10 .

[0046] In a preferred embodiment of the present invention, in order to facilitate the installation of the sealing ring, the sealing ring 9 is composed of a plurality of arc-shaped sealing strips;

[0047] A snap-fitting groove structure and an embedding groove structure are respectively formed at two ends of the arc-shaped sealing strip.

[0048] In a preferred embodiment of the present invention, in order to facilitate the rotation of the support seat 3 so as to facilitate sandblasting on the front and back surfaces of the outer ring, the slewing bearing spraying equipment also includes a base 1, on which a turntable 2 is rotatably provided, and the support seat 3 is fixed on the turntable 2.

[0049] The present invention also provides a method for spraying according to the above-mentioned slewing bearing spraying equipment; the method comprises:

[0050] 1. In the initial state, the pressure ring 5 is pressed against one end of the pressure plate 14, so that the sealing block 13 is tilted;

[0051] 2. Place the outer ring 10 in the circular sealing seat 7 so that the tooth groove structure of the outer ring 10 is engaged in the sealing tooth structure 11;

[0052] 3. Open the cylinder 4 to separate the pressure ring 5 from the pressure plate 14, so that the sealing block 13 is reset under the action of the torsion spring, thereby engaging with the end surface of the sealing tooth structure 11;

[0053] 4. Engage the sealing ring 9 in the inner ring groove of the outer ring 10;

[0054] 5. Perform sandblasting on both sides of the outer ring 10.

[0055] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

[0056] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0057] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A slewing bearing spraying equipment, characterized in that: The slewing bearing spraying equipment comprises a support seat (3) having a circular opening (6) in the middle, a circular sealing seat (7) being coaxially arranged at the outer edge of the circular opening (6), a sealing tooth structure (11) being formed on the inner wall of the circular sealing seat (7), and an outer ring (10) of the slewing bearing being arranged in the circular sealing seat (7) so that an outer tooth groove structure of the outer ring (10) is engaged in the sealing tooth structure (11); An end face sealing mechanism (8) is arranged on the circular sealing seat (7), and the end face sealing mechanism (8) comprises at least a sealing block (13) movably arranged on the circular sealing seat (7), so that the sealing block (13) can cover the opening of the sealing tooth structure (11); During specific operation, the sealing tooth structure (11) can fill and seal the groove of the external tooth groove structure, and the sealing block (13) is engaged with the end face of the sealing tooth structure (11); one end face of the external tooth groove structure of the outer ring (10) contacts the support seat (3), and the other end is sealed by the sealing block (13), so that the external tooth groove structure of the outer ring (10) can be fully wrapped.

2. The slewing bearing spraying equipment according to claim 1, characterized in that: A groove body (12) is formed on the outer side surface of the circular sealing seat (7); The end face sealing mechanism (8) further comprises a bracket (15) arranged in the groove body (12), a rotating shaft arranged on the bracket (15), and a pressing plate (14) connected to the sealing block (13); The pressing plate (14) is rotatably arranged on the rotating shaft.

3. The slewing bearing spraying equipment according to claim 2, characterized in that: The end face sealing mechanism (8) further comprises a torsion spring arranged on the rotating shaft; One end of the torsion spring is connected to the rotating shaft, and the other end is connected to the pressing plate (14).

4. The slewing bearing spraying equipment according to claim 2, characterized in that: A slot is formed on the lower end surface of the sealing block (13), and a sealing rubber block matching the outer tooth groove structure of the outer ring (10) is arranged in the slot.

5. The slewing bearing spraying equipment according to claim 4, characterized in that: A pressure ring (5) is movably provided on the support seat (3), so that the pressure ring (5) can contact the end of the pressure plate (14).

6. The slewing bearing spraying equipment according to claim 5, characterized in that: A cylinder (4) is provided on the support seat (3), and a piston rod of the cylinder (4) is connected to the pressure plate (14).

7. The slewing bearing spraying equipment according to claim 1, characterized in that: A sealing ring (9) is engaged in the inner ring groove of the outer ring (10).

8. The slewing bearing spraying equipment according to claim 7, characterized in that: The sealing ring (9) is composed of a plurality of arc-shaped sealing strips spliced ​​together; A snap-fitting groove structure and an embedding groove structure are respectively formed at two ends of the arc-shaped sealing strip.

9. The slewing bearing spraying equipment according to claim 1, characterized in that: The slewing bearing spraying equipment further comprises a base (1), a turntable (2) being rotatably arranged on the base (1), and the support seat (3) being fixed on the turntable (2).

10. A method for spraying according to the slewing bearing spraying equipment according to any one of claims 1 to 9; characterized in that: The method comprises: 1) In the initial state, the pressure ring (5) is pressed against one end of the pressure plate (14), so that the sealing block (13) is tilted; 2) placing the outer ring (10) in the circular sealing seat (7) so that the tooth groove structure of the outer ring (10) is engaged in the sealing tooth structure (11); 3) Opening the cylinder (4) causes the pressure ring (5) to separate from the pressure plate (14), thereby causing the sealing block (13) to reset under the action of the torsion spring and engage with the end surface of the sealing tooth structure (11); 4) Engage the sealing ring (9) in the inner groove of the outer ring (10); 5) Sandblast the front and back sides of the outer ring (10).

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