Spraying protection tool

Abstract

The utility model discloses a spraying protection tool which comprises a protection plate and a connecting piece. The protection plate comprises a protection body of a cylindrical structure. The connecting piece comprises a connecting cylinder of a cylindrical structure, and an annular connecting plate is outwards arranged on the top end face of the connecting cylinder in the radial direction. The outer side face of the connecting cylinder is attached to the upper portion of the inner side face of the protection body in a matched mode, and the connecting cylinder is detachably connected with the protection body. A plurality of screws are arranged on the annular connecting plate in the circumferential direction, and hanging rings are arranged on two opposite screws in the radial direction; the lower end of the outer side face of the protection body is of a structure matched and attached to the lower end of the radial inner side face of the part, and the outer side face of the annular connecting plate is of a structure matched and attached to the upper end of the radial inner side face of the part. According to the spraying protection tool, through the overall structure arrangement, surrounding protection on the radial inner side face of the annular part is achieved, and compared with an existing protection adhesive tape pasting mode, operation is easy, convenient and rapid, consumed time is short, and protection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machining, specifically relates to a spraying protection tool. BACKGROUND

[0002] There are many parts with circular ring structure in the field of machining, and the radial inner side of the parts is in two-step stepped structure as a whole through the annular step. In the manufacturing process, the ring lifting screw is installed on the annular step, and the parts are lifted through the ring lifting screw, and the rest of the end surface except the radial inner side is sprayed to achieve the required surface effect. When spraying, the radial inner side of the parts needs to be protected, and the radial inner side of the parts usually needs to be finished to ensure the matching precision.

[0003] At present, for the protection of the radial inner side of the circular ring structure, protective tape is usually used. In order to ensure that the protection is in place, the protective tape needs to be pasted on the radial inner side of the parts. Such protection process needs to consume a long time, thereby affecting the progress of the subsequent spraying operation. UTILITY MODEL CONTENTS

[0004] In order to solve the problem of long time consumption of pasting protective tape on the radial inner side of the parts with circular ring structure, the utility model provides a spraying protection tool.

[0005] A spraying protection tool comprises a protective plate and a connecting piece.

[0006] The protective plate comprises a protective main body in a cylindrical structure.

[0007] The connecting piece comprises a connecting cylinder in a cylindrical structure, and an annular connecting plate is arranged on the top end surface of the connecting cylinder in the radial direction.

[0008] The outer side surface of the connecting cylinder is adapted to and pasted on the upper part of the inner side surface of the protective main body, and the connecting cylinder is detachably connected with the protective main body.

[0009] A plurality of screws are arranged on the annular connecting plate in the circumferential direction, and a lifting ring is arranged on two opposite screws in the radial direction.

[0010] The lower end of the outer side surface of the protective main body is in a structure adapted to and pasted on the lower end of the radial inner side of the parts, and the outer side surface of the annular connecting plate is in a structure adapted to and pasted on the upper end of the radial inner side of the parts.

[0011] Preferably, the lower end of the outer side surface of the protective main body is provided with an annular protrusion adapted to and pasted on the lower end of the radial inner side of the parts.

[0012] Preferably, a plurality of grooves are uniformly arranged on the outer side surface of the protective main body in the circumferential direction at the upper part of the annular protrusion.

[0013] Preferably, the upper part of the protection body is uniformly provided with a plurality of first connecting holes extending in the radial direction along the circumferential direction, and the connecting barrel is uniformly provided with a plurality of second connecting holes corresponding to the first connecting holes along the circumferential direction.

[0014] The corresponding first connecting hole and the second connecting hole are provided with a positioning pin to realize detachable connection between the connecting barrel and the protection body.

[0015] Preferably, the diameter of the first connecting hole is greater than the diameter of the positioning pin, and the diameter of the second connecting hole is matched with the diameter of the positioning pin.

[0016] Preferably, a first wear-resistant plate in a ring structure is arranged on the top end surface of the annular connecting plate.

[0017] Preferably, the first wear-resistant plate and the annular connecting plate are connected through a plurality of fastening screws distributed along the circumferential direction, and a sealing ring is matched on the fastening screw.

[0018] Preferably, a second wear-resistant plate in a ring structure is arranged on the bottom end surface of the protection body.

[0019] Preferably, the second wear-resistant plate and the protection body are connected through a plurality of screws distributed along the circumferential direction, and a sealing ring is matched on the screw.

[0020] Preferably, a sealing ring is matched on the screw.

[0021] The beneficial effects of the utility model are:

[0022] (1) The spraying protection tool of the utility model realizes the surrounding protection of the radial inner side of the annular part through the overall structure, and compared with the existing pasting protection tape mode, the operation is simple and fast, the time is saved, and the protection efficiency is improved.

[0023] (2) The utility model cooperates the first connecting hole, the second connecting hole and the positioning pin, so that the relative distance between the protection plate and the connecting piece is adjustable to adapt to the protection of different specifications of parts and widen the application range.

[0024] (3) The first wear-resistant plate and the second wear-resistant plate in the utility model play a protective role during spraying, so that the service life of the tool is greatly prolonged. DRAWINGS

[0025] The drawings accompanying the specification of the present application form a part of the present application and serve to further understand the present application, the schematic embodiments of the present application and the description thereof serve to explain the present application, and do not constitute improper limitation on the present application.

[0026] Figure 1 is the structure schematic perspective view of the spraying protection tool of the utility model

[0027] Figure 2 is the structure schematic plan view of the spraying protective tool of the utility model;

[0028] Figure 3 is Figure 2 A-A section view of the spraying protective tool of the utility model;

[0029] Figure 4 is the cooperation schematic view of the spraying protective tool and the part of the utility model;

[0030] Among them:

[0031] 1-protection plate, 11-protection main body, 12-ring protrusion, 13-first connecting hole, 14-second wear plate, 15-groove, 2-connecting piece, 21-connecting barrel, 22-ring connecting plate, 23-second connecting hole, 24-first wear plate, 3-screw, 31-lifting ring, 4-positioning pin, 5-fastening screw. Specific implementation

[0032] In order to make the person skilled in the art better understand the technical scheme of the utility model, the utility model is further explained in detail below in combination with the drawings and specific embodiments.

[0033] As Figures 1-3 Indicated, a kind of spraying protective tool, including protection plate 1 and connecting piece 2;

[0034] The protection plate 1 includes the protection main body 11 of cylindrical structure;

[0035] The connecting piece 2 includes the connecting barrel 21 of cylindrical structure, and the top end surface of the connecting barrel 21 is outwardly provided with ring connecting plate 22 along radial direction direction;

[0036] The outer side surface of the connecting barrel 21 and the upper portion of the inner side surface of protection main body 11 adapt and stick, and the connecting barrel 21 and protection main body 11 are detachably connected;

[0037] The ring connecting plate 22 is provided with several screws 3 along circumferential direction, and the lifting ring 31 is arranged on two radial direction opposite screws 3;

[0038] The lower end of the outer side of the protection body 11 is adapted to the lower end of the radial inner side of the part, and the outer side of the annular connecting plate 22 is adapted to the upper end of the radial inner side of the part. That is, when the lower end of the radial inner side of the part is a cylindrical structure, the lower end of the outer side of the protection body 11 is a cylindrical structure, and when the lower end of the radial inner side of the part is a circular table surface structure, the lower end of the outer side of the protection body 11 is a circular table surface structure; when the upper end of the radial inner side of the part is a cylindrical structure, the outer side of the annular connecting plate 22 is a cylindrical structure, and when the upper end of the radial inner side of the part is a circular table surface structure, the outer side of the annular connecting plate 22 is a circular table surface structure.

[0039] Preferably, the lower end of the outer side of the protection body 11 is provided with an annular protrusion 12 adapted to the lower end of the radial inner side of the part, that is, the outer side of the annular protrusion 12 is adapted to the structure of the lower end of the radial inner side of the part.

[0040] Preferably, the outer side of the protection body 11 on the upper part of the annular protrusion 12 is uniformly provided with a plurality of grooves 15 in the circumferential direction, which facilitates the reduction of the weight of the tooling.

[0041] Preferably, the upper part of the protection body 11 is uniformly provided with a plurality of first connecting holes 13 extending in the radial direction in the circumferential direction, and the connecting cylinder 21 is uniformly provided with a plurality of second connecting holes 23 corresponding to the first connecting holes 13 in the circumferential direction.

[0042] Positioning pins 4 are arranged in the corresponding first connecting holes 13 and second connecting holes 23 to realize the detachable connection between the connecting cylinder 21 and the protection body 11.

[0043] Preferably, the diameter of the first connecting hole 13 is larger than the diameter of the positioning pin 4, and the diameter of the second connecting hole 23 is adapted to the diameter of the positioning pin 4.

[0044] Such arrangement enables the positioning pin 4 to drive the connecting cylinder 21 to move in the vertical direction to adjust the relative distance between the connecting piece 2 and the protection plate 1.

[0045] Preferably, the top end surface of the annular connecting plate 22 is provided with a first wear-resistant plate 24 in an annular structure.

[0046] Preferably, the first wear-resistant plate 24 and the annular connecting plate 22 are connected by a plurality of fastening screws 5 distributed in the circumferential direction, and a sealing ring is adapted to the fastening screw 5 to prevent paint from entering the thread gap during the spraying process, causing damage to the thread and making it difficult to disassemble.

[0047] Preferably, the bottom end surface of the protection body 11 is provided with a second wear-resistant plate 14 in an annular structure.

[0048] Preferably, the second wear plate 14 and the protection body 11 are connected by a plurality of screws distributed in the circumferential direction, and a sealing ring is fitted on the screw to prevent paint from entering the thread gap during spraying, causing damage to the thread and making it difficult to disassemble.

[0049] The first wear plate 24 and the second wear plate 14 play a protective role during spraying, greatly extending the service life of the tooling.

[0050] Preferably, a sealing ring is fitted on the screw 3 to prevent paint from entering the thread gap during spraying, causing damage to the thread and making it difficult to disassemble.

[0051] The structure of the present application for protecting the radial inner side of the part is shown in Figure 4 The radial inner side of the part is formed as a two-step stepped structure by an annular step, and the annular step is provided with a threaded hole adapted to the screw 3. The cooperation process of the present application with the part is as follows:

[0052] The connecting piece 2 and the protection plate 1 are assembled into a whole by the positioning pin 4. When the protection tooling is hoisted as a whole, the protection plate 1 slides down under the action of its own gravity, so that the protection plate 1 and the annular connecting plate 22 are relatively far apart. The tooling is inserted from the top to the bottom of the part from the large end of the inner hole of the part. The annular protrusion 12 first contacts the lower end of the radial inner side of the part and is in a close-fitting state. Subsequently, the outer side of the annular connecting plate 22 contacts the upper end of the radial inner side of the part and is in a close-fitting state, thereby surrounding and protecting the radial inner side of the part. Then the screw 3 is tightened in the threaded hole on the annular step of the part, realizing the fixation of the tooling and the part. The tooling and the part are hoisted together, and then the spraying work can be carried out. The present application realizes the surrounding protection of the radial inner side of the circular ring-shaped part through the overall structure, and compared with the existing method of pasting protective adhesive tape, the operation is simple and fast, the time is saved, and the protection efficiency is improved.

[0053] Although the specific embodiments of the present application have been described above with reference to the drawings, it is not a limitation on the present application. Those skilled in the art should understand that various modifications or variations can be made to the technical solutions of the present application without creative labor, and still within the protection scope of the present application.

Claims

1. A spray protection tooling, characterized in that, It comprises a protective plate (1) and a connecting piece (2); The protective plate (1) comprises a protective body (11) having a cylindrical structure; The connecting member (2) comprises a connecting cylinder (21) having a cylindrical structure, and an annular connecting plate (22) is provided on the top end surface of the connecting cylinder (21) outwardly in the radial direction; The outer side surface of the connecting tube (21) is adapted to fit in contact with the upper portion of the inner side surface of the protective body (11), and the connecting tube (21) and the protective body (11) are detachably connected; A plurality of screws (3) are provided on the annular connecting plate (22) along the circumferential direction, wherein two screws (3) facing each other in the radial direction are provided with hanging rings (31); The lower end of the outer side surface of the protective body (11) is in a structure that fits in contact with the lower end of the radial inner side surface of the part, and the outer side surface of the annular connecting plate (22) is in a structure that fits in contact with the upper end of the radial inner side surface of the part.

2. A spray protection tooling as claimed in claim 1, characterized in that: The lower end of the outer side surface of the protective body (11) is provided with an annular protrusion (12) adapted to fit and abut against the lower end of the radial inner side surface of the part.

3. A spray protection tooling as claimed in claim 2, characterized in that: A plurality of grooves (15) are evenly arranged along the circumferential direction on the outer surface of the protective body (11) above the annular protrusion (12).

4. The spray protection tooling according to claim 1, characterized in that: A plurality of first connection holes (13) extending in a radial direction are evenly arranged on the upper portion of the protective body (11) along the circumferential direction, and a plurality of second connection holes (23) corresponding to the first connection holes (13) are evenly arranged on the connecting tube (21) along the circumferential direction. Positioning pins (4) are provided in the corresponding first connecting hole (13) and second connecting hole (23) to achieve a detachable connection between the connecting cylinder (21) and the protective body (11).

5. A spray protection tooling as claimed in claim 4, characterized in that: The diameter of the first connecting hole (13) is larger than the diameter of the positioning pin (4), and the diameter of the second connecting hole (23) is adapted to the diameter of the positioning pin (4).

6. The spray protection tooling according to claim 1, characterized in that: A first wear-resistant plate (24) having an annular structure is provided on the top end surface of the annular connecting plate (22).

7. A spray protection tooling as claimed in claim 6, characterized in that: The first wear-resistant plate (24) and the annular connecting plate (22) are connected via a plurality of fastening screws (5) distributed along the circumferential direction, and a sealing ring is adapted on the fastening screws (5).

8. The spray protection tooling according to claim 1, characterized in that: A second wear-resistant plate (14) in an annular structure is provided on the bottom end surface of the protective body (11).

9. A spray protection tooling as claimed in claim 8, characterized in that: The second wear-resistant plate (14) is connected to the protective body (11) via a plurality of screws distributed along the circumferential direction, and sealing rings are adapted on the screws.

10. The spray protection tooling according to claim 1, characterized in that: A sealing ring is adapted on the screw (3).

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