Special tool for machining top cover
By designing a special tooling for the top cover which includes components such as a base plate, positioning columns, adjustment pads and positioning pins, the problems of insufficient limiting performance and low positioning accuracy are solved, rapid positioning and stable fixation are achieved, and the efficiency and quality of top cover processing are improved.
Patent Information
- Application Number
- CN202422063735.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-08-23
AI Technical Summary
The existing top cover processing tooling has problems such as insufficient limiting performance and low positioning accuracy, which leads to extended processing cycle, increased operation complexity and difficulty in stable control of product quality.
A special tooling is designed, which includes a base plate, positioning column, adjustment pad, stud, transfer plate, nut, positioning pin and screw with washer. Through the cooperation of positioning pin with L-shaped groove, limit ring and protrusion, rapid positioning and stable fixation can be achieved, thereby improving positioning accuracy and clamping force.
It greatly shortens the changeover time, improves production efficiency, simplifies the operating process, improves processing quality and consistency, reduces the impact of human factors on product quality, and significantly improves overall processing efficiency and precision.
Smart Images

Figure CN223339219U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of top cover processing tooling, in particular to a special tooling for processing top covers. Background Art
[0002] The diesel engine top cover is a component located on top of the engine. Its primary function is to protect the internal structure of the engine from dust and foreign matter. As a component with a complex shape, high hardness, and high precision requirements, the top cover faces numerous challenges in its processing. Existing machining tooling often suffers from insufficient position limiting performance and low positioning accuracy. This requires repeated zero-position calibration during the machining process, which not only prolongs the processing cycle but also increases operational complexity. Furthermore, the cumbersome lamination process and human interference also make it difficult to maintain stable product quality.
[0003] Therefore, a kind of special tool that is used to process top cover is in urgent need of now. Utility Model Content
[0004] (1) Technical problems solved
[0005] In response to the shortcomings of the existing technology, the utility model provides a special tooling for processing top covers to solve the above-mentioned problems of insufficient limiting performance and low positioning accuracy, which results in the need for repeated zero-position calibration during the processing process, which not only prolongs the processing cycle, but also increases the complexity of the operation. At the same time, the cumbersome pressing process and the interference of human factors also make it difficult to stably control the product quality. Technical problems.
[0006] (2) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special tool for processing a top cover, comprising: a base plate, a pad is assembled on the top of the base plate, a positioning column is assembled on the top of the base plate, adjusting pads are assembled on both ends of the top of the base plate, studs are assembled on both ends of the top of the base plate, a transfer plate is assembled between the adjusting pad and the stud, a nut is assembled on the outside of the stud, a positioning pin is assembled on the top of the pad, and screws with washers are assembled at the four corners of the top of the pad.
[0008] Preferably, both ends of the exterior of the positioning pin are provided with L-shaped grooves, and the L-shaped grooves can cooperate with the limiting ring and the protrusion to fix the positioning pin.
[0009] Preferably, the outer sliding connection of the positioning pin is connected to a limiting ring, and the inner sides of the limiting ring are connected with protrusions, the protrusions are slidingly arranged inside the L-shaped groove, and the limiting ring can slide inside the L-shaped groove. By rotating the positioning pin 90°, the positioning pin is fixed in conjunction with the protrusions, the limiting ring and the L-shaped groove.
[0010] Preferably, the spacer block is a square block with slots at all four corners, and screws with washers are assembled inside the slots, and the slots can be used to assemble the screws with washers.
[0011] Preferably, the stud is provided with a thread on its exterior, and the stud is threadedly connected to a nut, and the nut can adjust the stud.
[0012] Preferably, the screw with a washer includes a bolt, and a washer is sleeved on the outside of the bolt, and the washer increases the fixing effect of the screw with a washer.
[0013] (3) Beneficial effects
[0014] Compared with the prior art, the present invention provides a special tool for processing top covers, which has the following beneficial effects:
[0015] This special tooling for processing top covers uses positioning columns to make parts replacement quick and easy, significantly shortening the changeover time and improving production efficiency. Secondly, the single-tool multi-station design allows the tooling to easily achieve multi-station processing, and there is no need to change the tooling when changing stations, further improving processing efficiency. At the same time, the tooling has a stable structure and high clamping force, and can maintain a high clamping force even for special-shaped parts. At the same time, the positioning accuracy is high, which reduces the processing cycle and operation complexity, stabilizes the quality of the processed products, further improves the processing quality and product consistency, simplifies the overall disassembly and assembly process, reduces the impact of human factors on product quality, significantly improves the overall processing quality, and greatly improves production efficiency by increasing the assembly speed;
[0016] This special tooling for processing the top cover, when the locating pin is inserted into the interior of the pad, by rotating it 90 degrees, the locating pin can be quickly fixed and restricted inside the pad in conjunction with the L-shaped groove, the limiting ring and the protrusion, preventing the pad from shaking up and down during use, thereby improving the overall stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a front view of the utility model;
[0018] Figure 2 It is a partial schematic diagram of the utility model;
[0019] Figure 3 This is a front view of the positioning pin of the utility model;
[0020] Figure 4 This is a schematic diagram of the external appearance of the bump of the utility model;
[0021] Figure 5 This is a schematic diagram of the utility model after the bump is installed.
[0022] In the figure: 1. Base plate; 2. Spacer; 3. Positioning column; 4. Adjusting spacer; 5. Stud; 6. Turning plate; 7. Nut; 8. Positioning pin; 81. L-shaped groove; 82. Limiting ring; 83. Protrusion; 9. Screw with washer. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] This utility model provides a technical solution, please refer to Figure 1 and Figure 2 A special tool for processing a top cover comprises: a base plate (1) for fixing and installing the tool, a pad (2) is assembled on the top of the base plate (1), the pad (2) is mounted on the base plate (1) to form a basic support structure of the tool, and a positioning column (3) is assembled on the top of the base plate (1), the positioning column (3) is mounted on the base plate (1) and is used for rapid positioning when installing parts.
[0025] Adjustment pads (4) are mounted on both ends of the top of the base plate (1). The adjustment pads (4) are arranged on both sides of the tooling and are used to support the pressure plate and fix the parts to be processed. Studs (5) are mounted on the base plate (1) at both ends of the top of the base plate (1) and are used to fix the parts to be processed.
[0026] A transfer plate (6) is assembled between the adjusting pad (4) and the stud (5), and the transfer plate (6) is arranged on the adjusting pad (4) and the stud (5) for fixing the parts to be processed. The outside of the stud (5) is assembled with a nut (7), and the nut (7) is installed on the stud (5) for fixing the pressure plate transfer plate (6). The top of the pad (2) is assembled with a positioning pin (8), and the positioning pin (8) is installed on the pad (2) for rapid positioning when the parts are installed.
[0027] The four corners of the top of the pad (2) are equipped with screws with washers (9), which are installed on the pad (2) and are used to fix the parts to be processed. The pad (2) is a square block with notches at all four corners, and the screws with washers (9) are assembled inside the notches. The notches can be used to assemble the screws with washers (9). The outside of the stud (5) is provided with threads, and the stud (5) is threadedly connected to the nut (7). The nut (7) can adjust the stud (5).
[0028] The screw with a washer (9) includes a bolt, and a washer is sleeved on the outside of the bolt, and the washer increases the fixing effect of the screw with a washer (9). The positioning column (3) is installed on the base plate (1), so that the parts can be quickly positioned and fixed, thereby improving processing efficiency and precision. The positioning pin (8) is installed on the base plate (1), so that the parts can be quickly positioned and fixed, thereby improving processing efficiency and precision.
[0029] The adjusting pad (4), the stud (5), the pressure plate transfer plate (6) and the nut (7) are used in conjunction with each other to achieve a stable fixation of the parts, and the washer screw (9) and the pad (2) are used in conjunction with each other to achieve a stable fixation of the parts.
[0030] See also Figure 3 and Figure 4 The two ends of the outer side of the positioning pin (8) are both provided with L-shaped grooves (81), and the L-shaped grooves (81) can cooperate with the limiting ring (82) and the protrusion (83) to fix the positioning pin (8), and the outer side of the positioning pin (8) is slidably connected to the limiting ring (82), and the inner sides of the limiting ring (82) are both connected with protrusions (83).
[0031] The protrusion (83) is slidably arranged inside the L-shaped groove (81), and the limiting ring (82) can slide inside the L-shaped groove (81). By rotating the positioning pin (8) 90 degrees, the protrusion (83), the limiting ring (82) and the L-shaped groove (81) are matched to fix the positioning pin (8).
[0032] First, in this solution, the positioning column 3 is installed on the base plate 1 to achieve rapid positioning of the part when it is put on the vehicle in the first process. Secondly, the positioning pin 8 is installed on the pad 2 to achieve rapid positioning of the part when it is put on the vehicle in the second process. In addition, during the processing of the first process, by adjusting the pad 4, the stud 5, the transfer plate 6 and the nut 7, the part is firmly fixed, ensuring stability and precision during the processing. Finally, during the processing of the second process, by using the screw 9 with a washer and the pad 2, the part is firmly fixed, ensuring stability and precision during the processing. The entire tooling design is sophisticated, the structure is stable, the clamping force is high, and it can complete the processing task of the follower shaft seat simply and efficiently, significantly improving processing efficiency and product quality;
[0033] At the same time, when the positioning pin (8) is inserted into the interior of the cushion block (2), it can be quickly fixed and restricted inside the cushion block (2) by rotating 90 degrees in conjunction with the L-shaped groove (81), the limiting ring (82) and the protrusion (83), thereby preventing the cushion block (2) from shaking up and down during use, thereby improving the overall stability of the device.
[0034] It should be noted that, in this document, relational terms such as first and second, etc., are used only 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 terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A special tool for processing a top cover, comprising: A base plate (1), characterized in that: a pad (2) is assembled on the top of the base plate (1), a positioning column (3) is assembled on the top of the base plate (1), an adjusting pad (4) is assembled on both ends of the top of the base plate (1), a stud (5) is assembled on both ends of the top of the base plate (1), a transfer plate (6) is assembled between the adjusting pad (4) and the stud (5), a nut (7) is assembled on the outside of the stud (5), a positioning pin (8) is assembled on the top of the pad (2), and screws with washers (9) are assembled at the four corners of the top of the pad (2).
2. The special tool for processing a top cover according to claim 1, characterized in that: L-shaped grooves (81) are provided at both ends of the exterior of the positioning pin (8).
3. The special tool for processing a top cover according to claim 2, characterized in that: The exterior of the positioning pin (8) is slidably connected to a limiting ring (82), and both sides of the interior of the limiting ring (82) are connected to protrusions (83), and the protrusions (83) are slidably arranged inside the L-shaped groove (81).
4. The special tool for processing a top cover according to claim 1, characterized in that: The pad (2) is a square block with slots at four corners, and the screws (9) and (92) with washers are assembled inside the slots.
5. The special tool for processing a top cover according to claim 1, characterized in that: The stud (5) is provided with a thread on its exterior, and the stud (5) is threadedly connected to the nut (7).
6. The special tool for processing a top cover according to claim 1, characterized in that: The washer screw (9) comprises a bolt, and a washer is sleeved on the outside of the bolt.