A protective device for shot blasting process

Abstract

The utility model discloses a protective device for shot blasting process, belonging to the field of protective devices. The utility model is a protective device for shot blasting process, comprising a side baffle, a mounting base is provided on the side baffle, a first damping rotating shaft is provided on the mounting base, a first connecting rod is provided on the first damping rotating shaft, and a slide groove is provided, the slide groove is opened on the first connecting rod, a limit rod is provided in the slide groove, and a tension bolt is provided on one end of the limit rod. The utility model solves the problem that in order to protect the fragile structure of the processed part, the existing protective device is provided with a protective plate integrated with the protective device, but the protective plate integrally formed with the protective device can only protect the structure at the bottom of the part, and the position of the protective plate cannot be changed according to the location of the structure.

Description

Technical Field

[0001] The utility model relates to the field of protective devices, in particular to a protective device used in a shot blasting process. Background Art

[0002] Shot blasting is also the name of a mechanical surface treatment process. Similar processes include sandblasting and shot peening. Shot blasting is a cold treatment process, which is divided into shot blasting cleaning and shot blasting strengthening. Shot blasting cleaning, as the name suggests, is to remove impurities such as surface oxides to improve the appearance quality. Shot blasting strengthening is to use high-speed projectiles (60-110m / s) to continuously impact the surface of the workpiece to be strengthened.

[0003] The Chinese patent with the publication number CN220331050U discloses a shot blasting protection device, which is composed of a cover body including a cover top and a peripheral wall portion surrounding a concave portion, a groove for robot clamping operation is formed on the surface side of the cover body, and a convex block is provided in the concave portion on the inner side of the cover body at a predetermined distance from the inner peripheral surface of the peripheral wall portion, and a locking groove is formed by the outer peripheral surface of the convex block and the inner peripheral surface of the peripheral wall portion. Thus, the locking groove and the cylinder head oil filling hole structure can be matched and complemented, and the groove can be matched with the robot pick-up hand, and the robot can clamp and rotate it to the oil filling hole, so that the casting can be transferred in complex and harsh conditions, and the oil filling hole can be protected from damage during long-term shot blasting, and the phenomenon of the protective device falling off can be reduced or even eliminated, and it can be automatically installed by the robot, reducing the manual installation steps, not only simple to use and operate, but also play a better protective role, reducing the waste of manpower and production costs.

[0004] In order to protect the relatively fragile structure on the processed part, the protective device of the above patent is provided with a protective plate integral with the protective device. However, this protective plate integrally formed with the protective device can only protect the structure located at the bottom of the part, and the position of the protective plate cannot be changed according to the location of the structure. Utility Model Content

[0005] The utility model aims to provide a protective device for shot blasting process, wherein a first damping rotating shaft is arranged on a mounting base, a first connecting rod is arranged on the first damping rotating shaft, a slide groove is provided on the first connecting rod, a limit rod is arranged in the slide groove, a loose bolt is arranged at one end of the limit rod, a connecting plate is arranged on the end of the limit rod away from the fixing bolt, a second damping rotating shaft is arranged on one side of the connecting plate, a second connecting rod is arranged on the second damping rotating shaft, a telescopic rod base is arranged on the end of the second connecting rod away from the second damping rotating shaft, and the telescopic rod A telescopic rod is arranged in the base, and a protective baffle is arranged on one end of the telescopic rod away from the telescopic rod base. When the user performs shot blasting, the part is placed on the fixed base plate, and the tightening bolt is first loosened to adjust the extension length of the second connecting rod to better fit the height of the protected structure on the part, and then the tightening bolt is tightened to fix the second connecting rod, and the second damping rotating shaft is rotated to adjust the angle of the second connecting rod until it is aligned with the protected structure, and then the telescopic rod is pulled out so that the protective baffle arranged on the telescopic rod covers the protected structure, thereby solving the problems raised in the above-mentioned background technology.

[0006] The cam is an assembly made of a plurality of camshafts, each of which has a first end that is adapted to move the first end of the cam and a second end that is adapted to move the first end of the cam.

[0007] Preferably, a connecting spring is provided on the outer surface of the telescopic rod, and the connecting spring is welded to the outer surface of the telescopic rod.

[0008] Preferably, the connecting spring is provided with a protrusion on one end away from the telescopic rod, and the protrusion is arranged at a position corresponding to the through hole.

[0009] Preferably, a discharge notch is provided on the side baffle, and the discharge notch and the side baffle are integrally arranged.

[0010] Preferably, a rubber pad is provided on the fixed bottom plate, and the rubber pad is adhesively connected to the fixed bottom plate.

[0011] Preferably, the first damping rotating shaft passes through the first connecting rod and a fixing bolt is provided on the first damping rotating shaft.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model comprises a first damping rotating shaft arranged on the mounting base, a first connecting rod arranged on the first damping rotating shaft, a sliding groove arranged on the first connecting rod, a limiting rod arranged in the sliding groove, a loose bolt arranged at one end of the limiting rod, a connecting plate arranged on the end of the limiting rod away from the fixing bolt, a second damping rotating shaft arranged on one side of the connecting plate, a second connecting rod arranged on the second damping rotating shaft, a telescopic rod base arranged on the end of the second connecting rod away from the second damping rotating shaft, a telescopic rod arranged in the telescopic rod base, and a protective baffle arranged on the end of the telescopic rod away from the telescopic rod base. When the user performs shot blasting, the parts are placed on the fixed bottom plate. First, loosen the tensioning bolt to adjust the extended length of the second connecting rod to better fit the height of the protected structure on the part, then tighten the tensioning bolt to fix the second connecting rod, rotate the second damping rotating shaft to adjust the angle of the second connecting rod until it is aligned with the protected structure, and then pull out the telescopic rod so that the protective baffle provided on the telescopic rod covers the protected structure, effectively avoiding the problem that when the existing protective device is used to protect the more fragile structure on the processed part, a protective plate integrated with the protective device is provided on the protective device, but this protective plate integrally formed with the protective device can only protect the structure at the bottom of the part, and the position of the protective plate cannot be changed according to the location of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall external structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall main structure of the utility model;

[0016] Figure 3 It is a schematic cross-sectional structure diagram of the telescopic rod base of the utility model.

[0017] In the figure: 1. side baffle; 2. discharge notch; 3. fixed bottom plate; 4. rubber pad; 5. mounting base; 6. first damping rotating axis; 7. first connecting rod; 8. fixing bolt; 9. slide groove; 10. limit rod; 11. tension bolt; 12. connecting plate; 13. second damping rotating axis; 14. second connecting rod; 15. telescopic rod base; 16. telescopic rod; 17. protective baffle; 18. through hole; 19. connecting spring; 20. bump. DETAILED DESCRIPTION

[0018] 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.

[0019] In order to solve the problem that in the prior art, when a protective device is used to protect a relatively fragile structure on a processed part, a protective plate integral with the protective device is provided on the protective device, but the protective plate integrally formed with the protective device can only protect the structure at the bottom of the part, and the position of the protective plate cannot be changed according to the location of the structure, this embodiment provides the following technical solutions:

[0020] A protective device for shot blasting process, including a side baffle 1, a mounting base 5 is arranged on the side baffle 1, a first damping rotating shaft 6 is arranged on the mounting base 5, a first connecting rod 7 is arranged on the first damping rotating shaft 6, and a slide groove 9 is also included. The slide groove 9 is opened on the first connecting rod 7, and a limit rod 10 is arranged in the slide groove 9. A tension bolt 11 is arranged on one end of the limit rod 10, and a connecting plate 12 is arranged on the end of the limit rod 10 away from the tension bolt 11. The connecting plate 12 is provided with a second damping rotating shaft 13 on the side away from the limit rod 10, and a second connecting rod 13 is provided on the second damping rotating shaft The connecting rod 14, the second connecting rod 14 is provided with a telescopic rod base 15 on the end away from the second damping rotation axis 13, the telescopic rod 16 is provided in the telescopic rod base 15, the telescopic rod 16 is provided with a protective baffle 17 on the end away from the telescopic rod base 15, the telescopic rod base 15 is provided with a through hole 18, the lower end of the side baffle 1 is provided with a fixed bottom plate 3, the outer surface of the telescopic rod 16 is provided with a connecting spring 19, the connecting spring 19 is welded to the outer surface of the telescopic rod 16, the connecting spring 19 is provided with a protrusion 20 on the end away from the telescopic rod 16, and the protrusion 20 is arranged at a position corresponding to the through hole 18;

[0021] In this embodiment, please refer to Figure 1-Figure 3 When the user performs shot blasting, the part is placed on the fixed base plate 3, and the tensioning bolt 11 is first loosened to adjust the extension length of the second connecting rod 14 to better fit the height of the protected structure on the part, and then the tensioning bolt 11 is tightened to fix the second connecting rod 14, and the second damping rotating shaft 13 is rotated to adjust the angle of the second connecting rod 14 until it is aligned with the protected structure, and then the telescopic rod 16 is pulled out so that the protective baffle 17 provided on the telescopic rod 16 covers the protected structure, and after the telescopic rod 16 is pulled out, the protrusion 20 provided on the connecting spring 19 pops out from the through hole 18 provided on the telescopic rod base 15, fixes the telescopic rod 16, and prevents the telescopic rod 16 from retracting;

[0022] In this embodiment, please refer to Figure 1-Figure 2 A discharge notch 2 is provided on the side baffle 1, and the discharge notch 2 is integrally arranged with the side baffle 1. A rubber pad 4 is provided on the fixed bottom plate 3, and the rubber pad 4 is adhesively connected to the fixed bottom plate 3. The first damping rotating shaft 6 passes through the first connecting rod 7, and a fixing bolt 8 is provided on the first damping rotating shaft 6. The setting of the discharge notch 2 can make the excess pellets accumulated on the fixed bottom plate 3 be discharged from the discharge notch 2, so as to avoid the pellets being accumulated too high and blocking the parts;

[0023] Working principle: When the user performs shot blasting, the part is placed on the fixed base plate 3, the tensioning bolt 11 is first loosened to adjust the extension length of the second connecting rod 14 to better fit the height of the protected structure on the part, and then the tensioning bolt 11 is tightened to fix the second connecting rod 14, and the second damping rotating shaft 13 is rotated to adjust the angle of the second connecting rod 14 until it is aligned with the protected structure, and then the telescopic rod 16 is pulled out so that the protective baffle 17 provided on the telescopic rod 16 covers the protected structure. After the telescopic rod 16 is pulled out, the protrusion 20 provided on the connecting spring 19 pops out from the through hole 18 provided on the telescopic rod base 15, fixes the telescopic rod 16, and prevents the telescopic rod 16 from retracting. The setting of the discharge notch 2 can enable the excess accumulated shot on the fixed base plate 3 to be discharged from the discharge notch 2, so as to avoid the shot accumulation height being too high to block the parts.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective device for a shot blasting process, comprising a side baffle (1), a mounting base (5) being arranged on the side baffle (1), a first damping rotating shaft (6) being arranged on the mounting base (5), and a first connecting rod (7) being arranged on the first damping rotating shaft (6); Features: The invention also comprises a slide groove (9), wherein the slide groove (9) is provided on the first connecting rod (7), a limit rod (10) is arranged in the slide groove (9), a tension bolt (11) is arranged on one end of the limit rod (10), a connecting plate (12) is arranged on the end of the limit rod (10) away from the tension bolt (11), a second damping rotating shaft (13) is arranged on the side of the connecting plate (12) away from the limit rod (10), and the second damping rotating shaft (13) is provided with a second damping rotating shaft (13). A second connecting rod (14) is provided, and a telescopic rod base (15) is provided on the end of the second connecting rod (14) away from the second damping rotation axis (13), a telescopic rod (16) is provided inside the telescopic rod base (15), and a protective baffle (17) is provided on the end of the telescopic rod (16) away from the telescopic rod base (15), a through hole (18) is provided on the telescopic rod base (15), and a fixed bottom plate (3) is provided at the lower end of the side baffle (1).

2. A protective device for shot blasting process according to claim 1, characterized in that: The outer surface of the telescopic rod (16) is provided with a connecting spring (19), and the connecting spring (19) is welded to the outer surface of the telescopic rod (16).

3. A protective device for shot blasting process according to claim 2, characterized in that: The connecting spring (19) is provided with a convex block (20) at one end away from the telescopic rod (16), and the convex block (20) is arranged at a position corresponding to the through hole (18).

4. A protective device for shot blasting process according to claim 1, characterized in that: The side baffle plate (1) is provided with a material discharge notch (2), and the material discharge notch (2) and the side baffle plate (1) are integrally arranged.

5. A protective device for shot blasting process according to claim 1, characterized in that: A rubber pad (4) is provided on the fixed base plate (3), and the rubber pad (4) is adhesively connected to the fixed base plate (3).

6. A protective device for shot blasting process according to claim 1, characterized in that: The first damping rotating shaft (6) passes through the first connecting rod (7), and a fixing bolt (8) is provided on the first damping rotating shaft (6).

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