Shot blasting chamber roller way shaft head shield

Abstract

The utility model provides a shot blasting chamber roller way shaft head shield, which belongs to the technical field of engineering machinery shot blasting machines and comprises a mounting plate, one end of the mounting plate is fixedly connected with a placement plate and a roller shaft, and one end of the roller shaft movably penetrates through the mounting plate and one end of the placement plate and extends outwards. According to the shot blasting chamber roller way shaft head shield, through the innovative design of two sets of disassembling and assembling mechanisms, especially the combination of a concentric-square-shaped sleeve, an inserting rod, a clamping groove, a clamping block, a containing groove and a spring, rapid disassembling and assembling of a sealing cover and a containing plate are achieved, an operator can simply and conveniently control a disassembling rod through a grip, rapid unlocking and locking are achieved by means of the elastic force of the spring, and the working efficiency is improved. Complicated tools are not needed, the maintenance time is greatly shortened, and the maintainability of equipment is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of engineering machinery shot blasting machines, and in particular relates to a shaft head guard of a roller conveyor in a shot blasting chamber. Background Art

[0002] In modern manufacturing, especially in the fields of metal processing, casting and mechanical processing, shot blasting is a widely used surface cleaning and strengthening process. This process removes scale, rust and other impurities by projecting small steel or ceramic shots onto the surface of the workpiece at high speed, while enhancing the surface hardness and fatigue resistance of the workpiece. However, in the shot blasting room, the high-speed moving shots and the treated workpiece will produce strong impact and vibration, which puts extremely high demands on the structural strength, wear resistance and maintenance convenience of various components in the shot blasting room, especially the raceway and shaft head shield.

[0003] The traditional design of the shaft head shield of the shot blasting room often focuses on the basic protection function and adopts a relatively fixed structure, which exposes several key problems in practical applications:

[0004] 1. The first is that it is inconvenient to disassemble and assemble. Once the parts inside the shield, such as bearings, need to be replaced or maintained, a complicated disassembly process is usually required, which is time-consuming and labor-intensive, affecting the efficiency of the production line;

[0005] 2. The traditional sealing and protection is to use sealing cover labyrinth seals at both ends of the roller shaft. The outer cylinder of the sealing cover is made of 40Gr or 45 steel quenching treatment. This method is costly, requires frequent replacement, and is easy to cause inconvenience. Utility Model Content

[0006] The utility model aims to provide a roller shaft head guard for a shot blasting room, aiming to solve the problems of inconvenient assembly and disassembly and high cost in the prior art.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] Shot blasting room roller shaft head guard, including:

[0009] A mounting plate, one end of which is fixedly connected to a placement plate;

[0010] A roller shaft, one end of which movably passes through the mounting plate and one end of the placement plate and extends outward;

[0011] A sealing cover, the sealing cover is sleeved on the circumferential surface of the roller shaft, and a bearing is arranged between the sealing cover and the roller shaft; two groups of disassembly and assembly mechanisms, each group of the disassembly and assembly mechanisms is composed of a return sleeve, a plug-in rod, a clamping groove, a clamping block, a placement groove and a spring, the return sleeve and the plug-in rod are respectively fixedly connected to the circumferential surface of the sealing cover and one end of the placement plate, the clamping groove and the placement groove are respectively opened at one end of the return sleeve and the plug-in rod, the spring is fixedly connected to one side inner wall of the placement groove, the clamping block is fixedly connected to one end of the spring, and is movably clamped in the clamping groove.

[0012] As a preferred solution of the utility model, a disassembly groove is opened at one end of the placement groove, a disassembly rod is fixedly connected to one end of the clamping block, and a handle is fixedly connected to one end of the disassembly rod.

[0013] As a preferred solution of the utility model, a limiting rod is fixedly connected between the inner walls on both sides of the disassembly groove, a limiting hole is opened on the circumferential surface of the disassembly rod, and the disassembly rod is slidably connected to the circumferential surface of the limiting rod through the limiting hole.

[0014] As a preferred solution of the utility model, a telescopic rod is fixedly connected to an inner wall of one side of the placement groove, and the spring is sleeved on the circumferential surface of the telescopic rod.

[0015] As a preferred solution of the utility model, it also includes two groups of reinforcement mechanisms, each group of the reinforcement mechanisms is composed of a connecting ring, a connecting rod and a nut, the connecting ring and the connecting rod are respectively fixedly connected to one end of the mounting plate and the circumferential surface of the sealing cover, and the nut is threadedly connected to the circumferential surface of the connecting rod.

[0016] As a preferred solution of the utility model, the circumferential inner wall of the bearing inner ring is provided with a plurality of anti-slip grooves, the circumferential surface of the roller shaft is fixedly connected with a plurality of anti-slip blocks, and the plurality of anti-slip blocks are respectively movably engaged in the plurality of anti-slip grooves.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. In this solution, the roller shaft head guard of the shot blasting room of the present invention realizes the rapid disassembly and assembly of the sealing cover and the placement plate through the innovative design of two sets of disassembly and assembly mechanisms, especially the combination of the return sleeve, the plug-in rod, the clamping groove, the clamping block, the placement groove and the spring. The operator can easily control the disassembly rod through the handle, and quickly unlock and lock it with the help of the elastic force of the spring, without the need for complex tools, which greatly shortens the maintenance time and improves the maintainability of the equipment.

[0019] 2. In this scheme, the present invention also incorporates a reinforcement mechanism, that is, the connection between the mounting plate and the sealing cover is reinforced by a combination of a connecting ring, a connecting rod and a nut, and the bearing is exquisitely matched with the anti-slip block and the anti-slip groove, which not only ensures the stable operation of the shaft head guard in high-intensity shot blasting operations, reduces vibration and wear, but also extends the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is the main stereoscopic view in the utility model;

[0022] Figure 2 It is a side cutaway stereogram in the utility model;

[0023] Figure 3 It is a top-sectional stereoscopic view of the utility model;

[0024] Figure 4 For the utility model Figure 3 A partial enlarged view of point A in the middle.

[0025] In the figure: 1. mounting plate; 2. sealing cover; 3. connecting ring; 4. connecting rod; 5. nut; 6. mounting plate; 7. return sleeve; 8. plug-in rod; 9. roller shaft; 10. bearing; 11. anti-slip block; 12. anti-slip groove; 13. placement groove; 14. telescopic rod; 15. spring; 16. snap-in groove; 17. snap-in block; 18. disassembly groove; 19. limit rod; 20. disassembly rod; 21. handle. DETAILED DESCRIPTION

[0026] 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.

[0027] Example 1

[0028] See also Figure 1-4 , the utility model provides the following technical solutions:

[0029] Shot blasting room roller shaft head guard, including:

[0030] A mounting plate 1, one end of which is fixedly connected to a placement plate 6;

[0031] A roller shaft 9, one end of which movably passes through the mounting plate 1 and one end of the placement plate 6 and extends outward;

[0032] A sealing cover 2, which is sleeved on the circumferential surface of the roller shaft 9, and a bearing 10 is arranged between the sealing cover 2 and the roller shaft 9; two sets of disassembly and assembly mechanisms, each set of disassembly and assembly mechanisms is composed of a return sleeve 7, a plug-in rod 8, a snap-in groove 16, a snap-in block 17, a placement groove 13 and a spring 15, the return sleeve 7 and the plug-in rod 8 are respectively fixedly connected to the circumferential surface of the sealing cover 2 and one end of the placement plate 6, the snap-in groove 16 and the placement groove 13 are respectively opened at one end of the return sleeve 7 and the plug-in rod 8, the spring 15 is fixedly connected to one side inner wall of the placement groove 13, the snap-in block 17 is fixedly connected to one end of the spring 15, and is movably snap-into the snap-in groove 16.

[0033] In the specific embodiment of the utility model, the shot blasting room roller shaft head shield in this embodiment is based on the mounting plate 1, one end of which is firmly connected to the placement plate 6, providing a stable base for the entire shield structure. The mounting plate 1 and the placement plate 6 are connected by a roller shaft 9, which is designed to be movable through, which is convenient for the installation and adjustment of subsequent components. The sealing cover 2 is tightly sleeved on the outer periphery of the roller shaft 9 to ensure that the inside of the shield is protected from dust and debris generated during the shot blasting process. A bearing 10 is arranged between the sealing cover 2 and the roller shaft 9 to reduce friction, increase rotation smoothness and service life. In order to simplify the maintenance process, a unique disassembly and assembly mechanism is designed in this embodiment. The return sleeve 7 and the plug-in rod 8 are respectively fixed on the sealing cover 2 and the placement plate 6. They cooperate with each other through the clamping groove 16 and the clamping block 17 to form a quick disassembly and assembly interface. The placement groove 13 loaded by the spring 15 cooperates with the clamping block 17 in the clamping block 17, and the elastic force of the spring 15 is used to achieve quick locking and release, which significantly speeds up the disassembly and assembly speed.

[0034] For details, please refer to Figure 2 A disassembly groove 18 is provided at one end of the placement groove 13, a disassembly rod 20 is fixedly connected to one end of the clamping block 17, a handle 21 is fixedly connected to one end of the disassembly rod 20, a limiting rod 19 is fixedly connected between the inner walls on both sides of the disassembly groove 18, a limiting hole is provided on the circumferential surface of the disassembly rod 20, and the disassembly rod 20 is slidably connected to the circumferential surface of the limiting rod 19 through the limiting hole.

[0035] In this embodiment: Taking into account safety and ease of disassembly, a disassembly groove 18 is specially provided at one end of the placement groove 13, and a disassembly rod 20 is installed inside, and a handle 21 is attached to the end thereof for easy operation. The setting of the limit rod 19 ensures stable guidance during the disassembly process by interacting with the limit hole on the disassembly rod 20, thereby improving the safety factor of the operation.

[0036] For details, please refer to Figure 2A telescopic rod 14 is fixedly connected to the inner wall of one side of the placement groove 13, and a spring 15 is sleeved on the circumferential surface of the telescopic rod 14. It also includes two groups of reinforcement mechanisms, each of which is composed of a connecting ring 3, a connecting rod 4 and a nut 5. The connecting ring 3 and the connecting rod 4 are respectively fixedly connected to one end of the placement plate 6 and the circumferential surface of the sealing cover 2, and the nut 5 is threadedly connected to the circumferential surface of the connecting rod 4.

[0037] In this embodiment: the use stability of the spring 15 is improved by the telescopic rod 14. In order to enhance the structural stability, a reinforcement mechanism is adopted, including a combination of a connecting ring 3 and a connecting rod 4, which is threadedly fixed by a nut 5, effectively enhancing the connection rigidity between the mounting plate 1 and the sealing cover 2, ensuring a stable working state in a high vibration environment.

[0038] For details, please refer to Figure 3 The circumferential inner wall of the inner ring of the bearing 10 is provided with a plurality of anti-slip grooves 12 , and the circumferential surface of the roller shaft 9 is fixedly connected with a plurality of anti-slip blocks 11 , which are respectively movably engaged in the plurality of anti-slip grooves 12 .

[0039] In this embodiment: an anti-slip groove 12 is provided on the inner ring of the bearing 10, and cooperated with a plurality of anti-slip blocks 11 fixed on the roller shaft 9, which ensures the stable connection of the components under high-speed rotation and avoids the risk of falling off.

[0040] The working principle and use process of this utility model:

[0041] When maintenance or replacement of internal parts is required, the operator can control the disassembly rod 20 through the handle 21 to pull it backward along the disassembly groove 18. The clamping block 17 disengages from the clamping groove 16 under the action of the spring 15, thereby quickly releasing the connection between the sealing cover 2 and the mounting plate 6, and disassembling the sealing cover 2, thereby improving its disassembly convenience.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. The roller shaft head guard of the shot blasting room is characterized by: include: A mounting plate (1), one end of the mounting plate (1) being fixedly connected to a placement plate (6); A roller shaft (9), one end of which movably passes through the mounting plate (1) and one end of the placement plate (6) and extends outward; A sealing cover (2), wherein the sealing cover (2) is sleeved on the circumferential surface of the roller shaft (9), and a bearing (10) is arranged between the sealing cover (2) and the roller shaft (9); two groups of disassembly and assembly mechanisms, each group of the disassembly and assembly mechanisms is composed of a return sleeve (7), a plug-in rod (8), a clamping groove (16), a clamping block (17), a placement groove (13) and a spring (15), wherein the return sleeve (7) and the plug-in rod (8) are respectively fixedly connected to the circumferential surface of the sealing cover (2) and one end of the placement plate (6), the clamping groove (16) and the placement groove (13) are respectively opened at one end of the return sleeve (7) and the plug-in rod (8), the spring (15) is fixedly connected to an inner wall of one side of the placement groove (13), and the clamping block (17) is fixedly connected to one end of the spring (15) and is movably clamped in the clamping groove (16).

2. The roller shaft head guard of the shot blasting room according to claim 1 is characterized in that: A disassembly groove (18) is provided at one end of the placement groove (13), a disassembly rod (20) is fixedly connected to one end of the clamping block (17), and a handle (21) is fixedly connected to one end of the disassembly rod (20).

3. The roller shaft head guard of the shot blasting room according to claim 2 is characterized in that: A limiting rod (19) is fixedly connected between the inner walls on both sides of the disassembly groove (18), a limiting hole is provided on the circumferential surface of the disassembly rod (20), and the disassembly rod (20) is slidably connected to the circumferential surface of the limiting rod (19) through the limiting hole.

4. The roller shaft head guard of the shot blasting room according to claim 3 is characterized in that: A telescopic rod (14) is fixedly connected to an inner wall of one side of the placement groove (13), and the spring (15) is sleeved on the circumferential surface of the telescopic rod (14).

5. The roller shaft head guard of the shot blasting room according to claim 4 is characterized in that: It also includes two groups of reinforcement mechanisms, each group of the reinforcement mechanisms is composed of a connecting ring (3), a connecting rod (4) and a nut (5), the connecting ring (3) and the connecting rod (4) are respectively fixedly connected to one end of the placement plate (6) and the circumferential surface of the sealing cover (2), and the nut (5) is threadedly connected to the circumferential surface of the connecting rod (4).

6. The roller shaft head guard of the shot blasting room according to claim 5 is characterized in that: The circumferential inner wall of the inner ring of the bearing (10) is provided with a plurality of anti-slip grooves (12), the circumferential surface of the roller shaft (9) is fixedly connected with a plurality of anti-slip blocks (11), and the plurality of anti-slip blocks (11) are respectively movably engaged in the plurality of anti-slip grooves (12).

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