Protective tool for shot blasting of crankshaft
By designing protective fixtures for crankshaft shot blasting, and utilizing fixing and supporting components to protect other machined surfaces of the crankshaft, the problem of damage to finished crankshafts during shot blasting was solved, achieving effective protection and efficient processing.
Patent Information
- Application Number
- CN202422625613.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-10-29
AI Technical Summary
In existing technology, when the crankshaft has been machined to the finished product state, the engraved surface needs to be shot blasted, while other machined surfaces are easily damaged, resulting in scrap. There is a lack of effective protective tooling.
Design a protective fixture that includes a housing, a removable cover, a storage chamber divided by partitions, and a protective chamber. The crankshaft is fixed using fixing and support components, and the protective cover blocks other processed surfaces to ensure that shot blasting is only applied to the engraved surface. The housing is sealed to prevent shot from entering.
It effectively protects other machined surfaces of the crankshaft, avoids scrap caused by shot blasting, ensures that the engraving surface treatment does not damage the finished crankshaft, and improves processing speed and protection effect.
Smart Images
Figure CN223700508U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of crankshaft protection, specifically, a kind of protective tool for crankshaft shot blasting. BACKGROUND
[0002] Crankshaft process has been processed to finished product state, product lettering area does not satisfy customer demand, need to carry out rework processing to lettering surface, and cannot be handled using polishing.
[0003] The usual processing method is shot blasting, which can effectively clean the crankshaft lettering surface and reveal the natural color of the crankshaft, meeting customer demand. However, if effective protection is not performed, other processed surfaces may be damaged by shot blasting, resulting in waste products. Therefore, a dedicated tool is needed to protect the workpiece. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a kind of protective tool for crankshaft shot blasting, which can eliminate the original lettering surface without damaging the finished crankshaft.
[0005] The utility model is implemented by the following technical solutions:
[0006] A protective tool for crankshaft shot blasting includes a box body and a box cover detachably connected to the box body. The box body is divided into a storage chamber and a protection chamber by a partition plate. An opening is formed in one side wall of the protection chamber. A protective cover plate is arranged at the opening. Installation plates are arranged at both ends of the opening on the inner wall of the protection chamber. Fixed assemblies are arranged on the installation plates. A support assembly is arranged between the fixed assemblies. The support assembly is located below the opening. A processing platform is further arranged on the outer wall of the protection chamber. The processing platform is located at the opening.
[0007] Further, the fixed assembly includes a fixed cylinder and a fixed block. The fixed cylinder is installed on the installation plate. The piston rod of the fixed cylinder is connected to the fixed block.
[0008] Further, one end of the fixed block towards the opening is provided with an arc-shaped portion.
[0009] Further, the support assembly includes a support cylinder and a support plate. The support cylinder is installed on the inner wall of the protection chamber. The piston rod of the support cylinder is connected to the support plate. The support plate is used to support the crankshaft.
[0010] Further, a door frame is arranged at the opening on the inner wall of the protection chamber. The protective cover plate is slidably installed on the door frame.
[0011] Further, a handle is arranged on the top of the protective cover plate.
[0012] Further, the storage chamber is formed by the partition plate.
[0013] The technical scheme of the utility model has at least the following advantages and beneficial effects:
[0014] In the utility model, the crankshaft is placed on the supporting assembly and the lettering surface is stretched out from the opening, the fixing assembly on the two installation plates is used to fix the two sides of the crankshaft respectively, the protective cover plate is used to shield other machining surfaces of the crankshaft, and the lettering surface of the crankshaft is subjected to the shot blasting treatment on the machining platform by the shot blasting equipment. The tooling can be used to work after the other machining surfaces of the crankshaft are protected, the shot blasting treatment of the other machining surfaces of the crankshaft is avoided to cause waste products, and it can be ensured that the original lettering surface is eliminated without damaging the finished crankshaft. The box cover is covered on the box body, the storage chamber and the protective chamber are in a sealed state, the shot blasting shot is prevented from entering, and the protection effect of the crankshaft is improved. In addition, the storage chamber can place the crankshafts after treatment or before treatment, the crankshafts are convenient to take, and the machining speed is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope, and for the ordinary skilled person in the art, other related drawings can be obtained without the creative labor on the premise.
[0016] Figure 1 The structure schematic view of the protective tooling for the crankshaft shot blasting provided by the embodiment 1 of the utility model;
[0017] Figure 2 The protective tooling for the crankshaft shot blasting provided by the embodiment 1 of the utility model; Figure 1 The local enlarged view of A in the middle;
[0018] Figure 3 The top view of the protective tooling for the crankshaft shot blasting provided by the embodiment 1 of the utility model;
[0019] Figure 4 The right view of the protective tooling for the crankshaft shot blasting provided by the embodiment 1 of the utility model.
[0020] Figure: 1-box body, 2-baffle, 3-storage chamber, 4-protective chamber, 5-partition plate, 6-opening, 7-protective cover plate, 8-door frame, 9-handle, 10-installation plate, 11-fixing cylinder, 12-fixing block, 13-supporting cylinder, 14-supporting plate, 15-machining platform, 16-storage compartment, 17-box cover. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0022] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0023] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0024] In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product of the application when it is usually placed, which is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0025] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, if the terms "set", "mount", "connected", "connected" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication between two elements inside. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0026] Embodiment 1
[0027] As Figures 1-4As shown, the embodiment provides a protective tool for crankshaft shot blasting, which comprises a box body 1 and a box cover 17 detachably connected with the box body 1, the box body 1 is divided into a storage chamber 3 and a protective chamber 4 which are independent of each other by a partition 2, an opening 6 is formed in one side wall of the protective chamber 4, a protective cover plate 7 is arranged at the opening 6, mounting plates 10 are arranged at both ends of the opening 6 on the inner wall of the protective chamber 4, fixing assemblies are arranged on the mounting plates 10, a supporting assembly is arranged between the fixing assemblies, the supporting assembly is located below the opening 6, and a processing platform 15 is further arranged on the outer wall of the protective chamber 4 and located at the opening 6.
[0028] The crankshaft is placed on the supporting assembly and the lettering surface is stretched out from the opening 6, the fixing assemblies on the two mounting plates 10 are used to fix the two sides of the crankshaft respectively, the protective cover plate 7 is used to shield other processing surfaces of the crankshaft, and the processing platform 15 is used to perform shot blasting treatment on the lettering surface of the crankshaft by using a shot blasting device. The tool can perform operation after shielding other processing surfaces of the crankshaft, avoid causing waste products due to shot blasting treatment on other processing surfaces of the crankshaft, and ensure that the original lettering surface is eliminated without damaging the finished crankshaft. The box cover 17 is covered on the box body 1, so that the storage chamber 3 and the protective chamber 4 are in a sealed state, the shot blasting shot is prevented from entering, and the protective effect on the crankshaft is improved. In addition, the storage chamber 3 can place the crankshaft before and after treatment, which is convenient to take and improves the processing speed. The box cover 17 is clamped with the box body 1.
[0029] In the embodiment, the fixing assembly comprises a fixing cylinder 11 and a fixing block 12, the fixing cylinder 11 is installed on the mounting plate 10, and the piston rod of the fixing cylinder 11 is connected with the fixing block 12. In use, the fixing cylinder 11 drives the fixing block 12 to move, the fixing blocks 12 on the two sides of the crankshaft are close to each other, so that the fixing blocks 12 on the two sides are respectively abutted against the outer circumferential surfaces of the crankshaft journals, the crankshaft is fixed, and the movement of the crankshaft in the shot blasting process is avoided to affect the elimination effect of the lettering surface.
[0030] In the embodiment, one end of the fixing block 12 towards the opening 6 is provided with an arc-shaped part. That is, the end face of the fixing block 12 close to the crankshaft is arc-shaped, when the fixing block 12 abuts against the outer circumferential surface of the crankshaft journal, the fixing block 12 can be more fitted with the crankshaft journal, and the fixing effect on the crankshaft is improved. The curvature of the arc-shaped part can be the same as the curvature of the outer circumferential surface of the crankshaft journal, or greater than the outer circumferential surface of the crankshaft journal.
[0031] In the embodiment, the support assembly comprises a support cylinder 13 and a support plate 14, the support cylinder 13 is installed on the inner wall of the protection chamber 4, the piston rod of the support cylinder 13 is connected with the support plate 14, and the support plate 14 is used for supporting the crankshaft. In use, the lettering surface of the crankshaft is first extended from the opening 6, then the support cylinder 13 is started, the support plate 14 is driven by the support cylinder 13 to move vertically upward, the top surface of the support plate 14 is just in contact with the bottom surface of the crankshaft, the support of the crankshaft is realized, and the crankshaft is fixed by the fixing block 12, so that the stability of the crankshaft is improved.
[0032] In the embodiment, the door frame 8 is arranged at the opening 6 of the inner wall of the protection chamber 4, and the protection cover plate 7 is slidably installed on the door frame 8. The door frame 8 is provided with a sliding groove, and the protection cover plate 7 is slidably installed in the sliding groove. The protection cover plate 7 is slidably installed, so that the opening 6 is conveniently opened or closed, and the crankshaft is conveniently taken out or placed.
[0033] In the embodiment, the top of the protection cover plate 7 is provided with a handle 9. The protection cover plate 7 is slid by the handle 9, and the operation is facilitated.
[0034] In the embodiment, the storage compartment 3 is divided into a plurality of storage compartments 16 by the partition plate 5. The storage compartment 3 is divided into a plurality of storage compartments 16 by the partition plate 5, so that the crankshafts are conveniently classified and stored.
[0035] The working principle of the protection tool for the crankshaft shot blasting is as follows: the lettering surface of the crankshaft is extended from the opening 6, the support cylinder 13 is started, the support plate 14 is driven by the support cylinder 13 to move vertically upward, until the top surface of the support plate 14 is in contact with the bottom surface of the crankshaft, then the fixing cylinder 11 is started, the fixing cylinder 11 drives the fixing block 12 to move, the fixing blocks 12 on the two sides of the crankshaft are close to each other, until the fixing blocks 12 are respectively abutted against the opposite outer circumferential surfaces of the crankshaft journals, and the crankshaft is fixed. The protection cover plate 7 is moved by the handle 9, the other machining surfaces of the crankshaft are shielded by the protection cover plate 7, the box cover 17 is covered on the box body 1, and then the lettering surface of the crankshaft is subjected to shot blasting treatment by the shot blasting equipment on the machining platform 15.
[0036] The preferred embodiments of the utility model are merely used for limiting the utility model, and the utility model can be changed and varied in various ways for the person skilled in the art. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A protective fixture for shot blasting a crankshaft, characterized in that: The device includes a housing and a lid detachably connected to the housing. The housing is divided into an independent storage chamber and a protective chamber by a partition. One side wall of the protective chamber has an opening with a protective cover. The inner wall of the protective chamber has mounting plates at both ends of the opening, and each mounting plate has a fixing component. A supporting component is arranged between the fixing components and is located below the opening. The outer wall of the protective chamber also has a processing platform located at the opening.
2. The protective fixture for crankshaft shot blasting according to claim 1, characterized in that, The fixing assembly includes a fixing cylinder and a fixing block. The fixing cylinder is mounted on the mounting plate, and the piston rod of the fixing cylinder is connected to the fixing block.
3. The protective fixture for crankshaft shot blasting according to claim 2, characterized in that, The fixed block has an arc-shaped portion at the end facing the opening.
4. The protective fixture for crankshaft shot blasting according to claim 1, characterized in that, The support assembly includes a support cylinder and a support plate. The support cylinder is installed on the inner wall of the protective chamber, and the piston rod of the support cylinder is connected to the support plate. The support plate is used to support the crankshaft.
5. The protective fixture for crankshaft shot blasting according to claim 1, characterized in that, The inner wall of the protective chamber is provided with a door frame at the opening, and the protective cover is slidably installed on the door frame.
6. The protective fixture for crankshaft shot blasting according to claim 5, characterized in that, The protective cover is provided with a handle at the top.
7. The protective fixture for crankshaft shot blasting according to claim 1, characterized in that, The storage room is divided into several storage compartments by partition boards.