Shot blasting device

Abstract

The utility model discloses a shot peening device in the field of shot peening devices, which comprises a shot peening machine main body, a protective cover assembled at the top end of the shot peening machine main body, an L-shaped support plate assembled at the top end of the shot peening machine main body in the protective cover, a rotating hole formed at the top end of the L-shaped support plate, and a rotating shaft assembled inside the shot peening machine main body, the top end of the rotating shaft is provided with a shaft barrel, the shaft barrel is installed in the rotating hole, the rotating shaft is sleeved with a fixing barrel, the outer walls of the two sides of the fixing barrel are each provided with a fixing plate, the side portions of the fixing plates are provided with supporting rods through bolts, the top end of each supporting rod is vertically provided with a fixing rod, and the fixing rod is sleeved with a spring body; an inserting pipe is assembled on the side wall of the protective cover, and a nozzle is assembled at one end, inside the protective cover, of the inserting pipe; according to the shot blasting device, spraying treatment is conducted on a spring connected to the surface of the fixing rod in a sleeving mode through spraying at the spraying head, the motor is started to drive the rotating shaft to rotate, and spraying treatment can be conducted on the spring more comprehensively.

Description

Technical Field

[0001] The utility model relates to the technical field of shot blasting devices, and specifically relates to a shot blasting device. Background Art

[0002] Shot peening, also known as shot peening strengthening, is one of the effective methods to reduce part fatigue and improve service life. Shot peening is to spray a high-speed shot flow onto the surface of the part, causing plastic deformation on the surface layer of the part, and forming a strengthening layer with a certain thickness. A relatively high residual stress is formed in the strengthening layer. Due to the existence of compressive stress on the part surface, when the part bears a load, a part of the stress can be offset, thereby improving the fatigue strength of the part. After the spring is produced, it is necessary to perform shot peening on its surface;

[0003] However, the existing shot blasting device has a relatively complex structure and is rather troublesome when dealing with springs. Therefore, the existing technology needs to be improved. Content of the Utility Model

[0004] The purpose of the utility model is to provide a shot blasting device to solve the problems in the above-mentioned background art that the existing shot blasting device has a relatively complex structure and is rather troublesome when dealing with springs.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A shot blasting device includes a shot blasting machine main body. A protective cover is assembled at the top of the shot blasting machine main body. An L-shaped support plate is assembled inside the protective cover at the top of the shot blasting machine main body. A rotating hole is opened at the top of the L-shaped support plate. A rotating shaft is assembled inside the shot blasting machine main body. A shaft cylinder is installed at the top of the rotating shaft. The shaft cylinder is installed in the rotating hole. A fixed cylinder is sleeved outside the rotating shaft. Fixing plates are installed on the outer walls on both sides of the fixed cylinder. A support rod is installed on the side part of the fixing plate through a bolt. A fixed rod is vertically installed at the top of the support rod. A spring main body is sleeved outside the fixed rod. An insertion pipe is assembled on the side wall of the protective cover. A spray head is assembled at one end of the insertion pipe located inside the protective cover.

[0006] Preferably, rotating cavities are evenly opened on the outer wall of the shaft cylinder along its axis. Ball bearings are assembled in the rotating cavities. The ball bearings are in contact with the inner wall of the rotating hole.

[0007] Preferably, a limiting ring a is sleeved at the top of the outer wall of the shaft cylinder. A limiting ring b is sleeved at the lower end of the outer wall of the shaft cylinder. The limiting ring a is in contact with the upper surface of the rotating hole. The limiting ring b is in contact with the lower surface of the rotating hole.

[0008] Preferably, the outer circle diameters of the limiting ring a and the limiting ring b are both larger than the inner circle diameter of the rotating hole.

[0009] Preferably, a motor is assembled at the top end of the protective cover, and the top end of the rotating shaft passes through the rotating hole and is connected to the driving end of the motor.

[0010] Preferably, a counterweight is assembled at the bottom end of the rotating shaft.

[0011] Preferably, a base is assembled at the bottom end of the shot blasting machine main body, driving wheels are assembled around the bottom end of the base, and a closing door is hinged to the front side wall of the protective cover.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: The shot blasting device has a reasonable structural design. By arranging a protective cover at the top end of the shot blasting machine main body, arranging a rotating shaft inside the protective cover, and arranging a fixing rod outside the rotating shaft, the spring to be processed can be sleeved on the surface of the fixing rod. An external shot blasting device is inserted and connected at the insertion pipe, and shot blasting is carried out through the nozzle to spray and process the spring sleeved on the surface of the fixing rod. Starting the motor to drive the rotating shaft to rotate can spray and process the spring more comprehensively. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of the present utility model;

[0014] Figure 2 is a schematic diagram of the inside of the protective cover of the present utility model;

[0015] Figure 3 is a schematic diagram of the rotating shaft of the present utility model;

[0016] Figure 4 is a schematic diagram of the shaft cylinder of the present utility model.

[0017] In the figure: 1, shot blasting machine main body; 2, insertion pipe; 3, protective cover; 4, motor; 5, closing door; 6, base; 7, rotating shaft; 8, L-shaped support plate; 9, ball; 10, rotating hole; 11, spring main body; 12, fixing rod; 13, support rod; 14, fixing plate; 15, fixing cylinder; 16, shaft cylinder; 17, counterweight; 18, limit ring b; 19, rotating cavity; 20, limit ring a. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1-4 , the present utility model provides a technical solution:

[0020] In this technical solution, a shot peening device includes a shot peening machine main body 1. A protective cover 3 is assembled at the top of the shot peening machine main body 1. An L-shaped support plate 8 is assembled inside the protective cover 3 at the top of the shot peening machine main body 1. A rotating hole 10 is provided at the top of the L-shaped support plate 8. A rotating shaft 7 is assembled inside the shot peening machine main body 1. A shaft cylinder 16 is installed at the top of the rotating shaft 7. The shaft cylinder 16 is installed in the rotating hole 10. A fixed cylinder 15 is sleeved outside the rotating shaft 7. Fixing plates 14 are installed on both outer side walls of the fixed cylinder 15. A support rod 13 is installed on the side part of the fixing plate 14 through bolts. A fixing rod 12 is vertically installed at the top of the support rod 13. A spring body 11 is sleeved outside the fixing rod 12. An insertion connecting pipe 2 is assembled on the side wall of the protective cover 3. A spray head is assembled at one end of the insertion connecting pipe 2 located inside the protective cover 3;

[0021] In this technical solution, a shot peening area is set at the top of the shot peening machine main body 1 through the protective cover 3. The L-shaped support plate 6 is installed at the top of the shot peening machine main body 1. The rotating shaft 7 can rotate in the rotating hole 10 through the shaft cylinder 16. The spring to be processed can be sleeved outside the fixing rod 12. The insertion connecting pipe 2 is connected to the shot peening device, so as to perform shot peening treatment on the surface of the spring body 11 through the spray head.

[0022] In some technical solutions, refer to Figures 1-4 , a rotating cavity 19 is evenly provided on the outer wall of the shaft cylinder 16 along its axis. A ball 9 is assembled in the rotating cavity 19. The ball 9 is arranged in contact with the inner wall of the rotating hole 10.

[0023] In this technical solution, the shaft cylinder 16 and the rotating shaft 7 are of an integral structure. When the rotating shaft 7 rotates, the balls 9 in contact with the inner wall of the rotating hole 10 in the shaft cylinder 16 rotate successively, improving the rotation efficiency.

[0024] In some technical solutions, refer to Figures 1-4 , a limit ring a 20 is sleeved on the top of the outer wall of the shaft cylinder 16. A limit ring b 18 is sleeved on the lower end of the outer wall of the shaft cylinder 16. The limit ring a 20 is arranged in contact with the upper surface of the rotating hole 10. The limit ring b 18 is arranged in contact with the lower surface of the rotating hole 10; the outer diameters of both the limit ring a 20 and the limit ring b 18 are larger than the inner diameter of the rotating hole 10;

[0025] In this technical solution, the limit ring a 20 is placed on the upper surface of the L-shaped support plate 8, and the limit ring b 18 is placed on the lower surface of the L-shaped support plate 8. Internal threads are provided on the inner walls of the limit ring a 20 and the limit ring b 18, and external threads are provided on the outer wall of the shaft cylinder 16. After the shaft cylinder 16 is installed in the rotating hole 10, the two limit rings can be restricted in the rotating hole 10 by means of threaded connection.

[0026] In some technical solutions, refer to Figures 1-4, a motor 4 is assembled at the top end of the protective cover 3, and the top end of the rotating shaft 7 passes through the rotating hole 10 and then connects to the driving end of the motor 4;

[0027] In this technical solution, the rotating shaft 7 can be driven to rotate by the motor 4.

[0028] In some technical solutions, refer to Figures 1-4 , a counterweight 17 is assembled at the bottom end of the rotating shaft 7;

[0029] In this technical solution, through the setting of the counterweight 17, the rotation stability of the bottom end of the rotating shaft 7 can be improved.

[0030] In some technical solutions, refer to Figures 1-4 , a base 6 is assembled at the bottom end of the shot blasting machine main body 1, driving wheels are assembled around the bottom end of the base 6, and a closing door 5 is hinged on the front side wall of the protective cover 3;

[0031] In this technical solution, the overall movement can be realized through the setting of the driving wheels.

[0032] Working principle: When in use, open the closing door 5, sleeved the spring body 11 outside the fixed rod 12, then close the closing door 5, connect an external shot blasting device through the insertion joint pipe, and spray through the nozzle to perform spraying treatment on the spring sleeved on the surface of the fixed rod. Start the motor to drive the rotating shaft to rotate, and the spring can be sprayed more comprehensively.

[0033] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although the present invention has been described above with reference to the embodiments, various improvements can be made to it and its components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention can be combined with each other in any way. The exhaustive description of these combinations is not given in this specification only for the sake of saving space and resources. Therefore, the present invention is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A shot peening device, comprising a shot peening machine body (1), characterized in that: The top of the shot peening machine body (1) is equipped with a protective cover (3), the top of the shot peening machine body (1) is located inside the protective cover (3) and is equipped with an L-shaped bracket plate (8), the top of the L-shaped bracket plate (8) is provided with a rotating hole (10), the inside of the shot peening machine body (1) is equipped with a rotating shaft (7), the top of the rotating shaft (7) is equipped with a shaft cylinder (16), the shaft cylinder (16) is installed in the rotating hole (10), and the outside of the rotating shaft (7) is covered with A fixing cylinder (15), the outer walls of both sides of the fixing cylinder (15) are both installed with fixing plates (14), the side of the fixing plate (14) is installed with a support rod (13) by bolts, the top of the support rod (13) is vertically installed with a fixing rod (12), the outside of the fixing rod (12) is sleeved with a spring body (11), the side wall of the protective cover (3) is equipped with a plug-in tube (2), and one end of the plug-in tube (2) located inside the protective cover (3) is equipped with a nozzle.

2. A shot blasting device according to claim 1, characterized in that: The outer wall of the shaft cylinder (16) is evenly provided with a rotation cavity (19) along its axis, and a ball (9) is installed in the rotation cavity (19), and the ball (9) is arranged in close contact with the inner wall of the rotation hole (10).

3. A shot blasting device according to claim 1, characterized in that: A limiting ring a (20) is mounted on the top end of the outer wall of the shaft cylinder (16), and a limiting ring b (18) is mounted on the lower end of the outer wall of the shaft cylinder (16) located at the limiting ring a (20). The limiting ring a (20) is fitted with the upper surface of the rotating hole (10), and the limiting ring b (18) is fitted with the lower surface of the rotating hole (10).

4. A shot blasting device according to claim 3, characterized in that: The outer diameters of the limiting ring a (20) and the limiting ring b (18) are both larger than the inner diameter of the rotating hole (10).

5. A shot blasting device according to claim 1, characterized in that: The top end of the protective cover (3) is equipped with a motor (4), and the top end of the rotating shaft (7) passes through the rotating hole (10) and is connected to the driving end of the motor (4).

6. A shot blasting device according to claim 1, characterized in that: A counterweight (17) is mounted at the bottom end of the rotating shaft (7).

7. A shot blasting device according to claim 1, characterized in that: The bottom end of the shot blasting machine body (1) is equipped with a base (6), the bottom end of the base (6) is equipped with driving wheels around, and the front side wall of the protective cover (3) is hinged with a closed door (5).

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