A tooling for processing the top cover of a spinning assembly

Abstract

This utility model discloses a tooling for processing the top cover of a spinning assembly, relating to the field of processing tooling. It includes: a clamping and positioning seat for assembling the top cover; a positioning device symmetrically mounted on the clamping and positioning seat for positioning the top cover; and an indexing chuck that cooperates with the clamping and positioning seat and is used to adjust the angle of the clamping and positioning seat. This tooling for processing the top cover of a spinning assembly allows for rapid positioning of the workpiece by inserting the top cover into the clamping and positioning seat, positioning the top cover by the positioning device, and rotating it to the required angle using the indexing chuck. This enables the machining of oblique holes and countersunk holes in a machining center. The oblique holes produced by this tooling have stable angles, improving processing efficiency and significantly reducing the defect rate caused by inaccurate clamping and positioning. Through the synergistic effect of the clamping and positioning seat and the positioning device, rapid and accurate positioning of the workpiece is achieved.

Description

Technical Field

[0001] This utility model relates to the field of tooling technology for processing, specifically a tooling for processing the top cover of a spinning assembly. Background Technology

[0002] In PA66 spinning assemblies, the top cover is a key component for melt diversion and guidance, and the machining accuracy of its oblique holes directly affects the melt flow stability and spinning quality. Since the inlet spacing of the melt branch pipes varies between different assemblies, the angle of the oblique holes in the top cover needs to be precisely adjusted according to the actual spacing to ensure accurate alignment with the branch pipes. This places stringent requirements on angle control during the machining process.

[0003] In existing machining processes, a shift chuck is typically used to clamp and position the workpiece. However, this method has significant limitations: firstly, only one top cover can be processed at a time, making batch processing impossible and resulting in low processing efficiency, which is difficult to meet the needs of large-scale production; secondly, the positioning accuracy of the shift chuck is easily affected by manual operation and clamping stability, often leading to problems such as angle deviation and hole misalignment. This not only results in poor consistency of the angle of the oblique holes but also causes insufficient surface finish of the inner wall of the holes, significantly increasing the machining defect rate caused by inaccurate positioning and seriously affecting the stability of product quality.

[0004] Therefore, in order to address the problems of cumbersome clamping and positioning, inconvenient angle switching, low efficiency and high processing defect rate in the processing of PA66 spinning component top cover, there is an urgent need for a special tooling that can achieve rapid clamping and positioning, precise angle switching, and simultaneous processing of oblique holes and straight countersunk holes in multiple workpieces, so as to break through the existing technical bottlenecks. Utility Model Content

[0005] To achieve the above objectives, this utility model provides the following technical solution: a tooling for processing the top cover of a spinning assembly, comprising:

[0006] A clamping and positioning seat, which is used for assembling the upper cover;

[0007] A positioning device is symmetrically mounted on a clamping positioning seat and is used to position the upper cover.

[0008] The indexing chuck cooperates with the clamping and positioning seat, and the indexing chuck is used to adjust the angle of the clamping and positioning seat.

[0009] Preferably, the axis of the indexing chuck coincides with the axis of the clamping and positioning seat.

[0010] Preferably, the positioning device includes:

[0011] An insert pressure plate is slidably connected to a clamping and positioning seat, and the insert pressure plate is used to press the upper cover into the assembly groove on the clamping and positioning seat;

[0012] A limiting frame is fixedly installed on a clamping and positioning seat. The limiting frame is used to limit the sliding of the through pressure plate. The limiting frame is C-shaped.

[0013] Preferably, the positioning device further includes:

[0014] A rotary positioning mechanism is rotatably mounted on the bottom of the interpenetrating pressure plate, and the rotary positioning mechanism is used to position the upper cover;

[0015] An elastic support mechanism is installed at the bottom of the interpenetrating pressure plate and is used to provide elastic support for the interpenetrating pressure plate.

[0016] Preferably, the bottom of the interlocking pressure plate has two grooves, and the rotary positioning mechanism and the elastic support mechanism are respectively assembled in the inner cavity of the two grooves.

[0017] Preferably, the rotary positioning mechanism includes:

[0018] A rotating shaft, which is fixedly installed inside one of the grooves;

[0019] The positioning hook is rotatably engaged with the rotating shaft, and the positioning hook can rotate about the axis of the rotating shaft as the center;

[0020] An elastic protrusion is installed inside the groove.

[0021] Preferably, the elastic support mechanism includes:

[0022] Guide rod, the guide rod being fixedly installed inside another groove;

[0023] A fixed base is fixedly installed on a clamping and positioning base, and the fixed base is slidably engaged with a guide rod;

[0024] A spring is movably sleeved on a guide rod and is used to provide elastic support for the fixed seat.

[0025] This utility model discloses a tooling for processing the top cover of a spinning assembly, which has the following beneficial effects:

[0026] By mounting the top cover into the clamping and positioning seat, and positioning the top cover using the positioning device, the indexing chuck drives the rotation to the required angle. This allows for rapid positioning and machining of angled holes and countersunk holes in a machining center. The angled holes machined using this fixture are stable, and two workpieces can be machined in a single setup, totaling four holes. This significantly improves machining efficiency and greatly reduces the defect rate caused by inaccurate clamping and positioning. The synergistic effect of the clamping and positioning seat and the positioning device achieves rapid and accurate workpiece positioning. Specifically, the engagement of the positioning claw with the groove on the top cover ensures that the relative angle between the top cover and the clamping and positioning seat is locked after assembly. Combined with the driving accuracy of the indexing chuck, this solves the angle drift problem caused by the lack of angle positioning in traditional clamping methods. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0029] Figure 2 This is a schematic diagram of the internal structure of the positioning device of this utility model;

[0030] Figure 3 This is a schematic diagram of the structure of the straight countersunk hole feed state of this utility model;

[0031] Figure 4 This is a schematic diagram of the oblique hole feed state structure of this utility model.

[0032] In the diagram: 1. Clamping and positioning seat; 2. Positioning device; 21. Insertion pressure plate; 22. Limiting frame; 23. Rotary positioning mechanism; 231. Rotating shaft; 232. Positioning claw; 233. Elastic protrusion; 24. Elastic support mechanism; 241. Guide rod; 242. Fixed seat; 243. Spring; 3. Indexing chuck. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0034] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0035] This utility model provides, for example Figure 1-4 The tooling shown includes: a clamping and positioning seat 1 for assembling the upper cover; a positioning device 2 symmetrically mounted on the clamping and positioning seat 1 for positioning the upper cover; and an indexing chuck 3 that cooperates with the clamping and positioning seat 1 and is used to adjust the angle of the clamping and positioning seat 1. By inserting the upper cover into the clamping and positioning seat 1 and positioning the upper cover with the positioning device 2, the indexing chuck 3 drives the upper cover to rotate to the required angle. This allows for rapid positioning and machining of inclined holes and countersunk holes in a machining center. The inclined holes machined using this tooling have stable angles, and two workpieces with a total of four holes can be machined in one clamping operation. This improves processing efficiency and significantly reduces the defect rate caused by inaccurate clamping and positioning. The synergistic effect of the clamping and positioning seat 1 and the positioning device 2 achieves rapid and accurate positioning of the workpiece. The axis of the indexing chuck 3 coincides with the axis of the clamping and positioning seat 1, so that the angle of the clamping and positioning seat 1 can be adjusted by the indexing chuck 3, so as to adjust the drilling angle of the top cover.

[0036] Specifically, the positioning device 2 includes: an inserting pressure plate 21, which is slidably connected to the clamping positioning seat 1, and is used to press the upper cover into the assembly groove on the clamping positioning seat 1; a limiting frame 22, which is fixedly installed on the clamping positioning seat 1, and is used to limit the sliding of the inserting pressure plate 21, and is arranged in a C-shape; a rotating positioning mechanism 23, which is rotatably disposed at the bottom of the inserting pressure plate 21, and is used to position the upper cover; and an elastic support mechanism 24, which is installed at the bottom of the inserting pressure plate 21, and is used to provide elastic support for the inserting pressure plate 21. The bottom of the insert pressure plate 21 has two grooves. The rotary positioning mechanism 23 and the elastic support mechanism 24 are respectively assembled into the inner cavities of the two grooves. The opening of one of the grooves facilitates the rotation and retraction of the rotary positioning mechanism 23, allowing it to be rotated and retracted into the interior of the insert pressure plate 21. This allows the insert pressure plate 21 to slide towards the limiting frame 22, so that the insert pressure plate 21 slides out from above the top cover, preventing it from blocking the top cover and facilitating the disassembly of the processed top cover. The insert pressure plate 21 can press on the upper cover to prevent the upper cover from falling out of the mounting slot of the clamping positioning seat 1. There are two rotating positioning mechanisms 23, which are symmetrically hooked into the two grooves of the upper cover with the central protrusion as the central axis, so as to achieve directional hooking and positioning of the upper cover and prevent the upper cover from rotating relative to the clamping positioning seat 1. The rotating positioning mechanism 23 facilitates the elastic support of the insert pressure plate 21, so that after the rotating positioning mechanism 23 hooks the upper cover, it tends to move towards the limiting frame 22 so as to clamp the upper cover.

[0037] The rotary positioning mechanism 23 includes: a rotating shaft 231, which is fixedly installed inside one of the grooves; a positioning claw 232, which rotatably engages with the rotating shaft 231 and can rotate about the axis of the rotating shaft 231; and an elastic protrusion 233, which is installed inside the groove. The positioning claw 232 engages with the groove of the upper cover to ensure that the upper cover, after assembly, is locked at a relative angle with the clamping positioning seat 1. The driving precision of the indexing chuck 3 solves the problem of angle drift caused by the lack of angle positioning in traditional clamping. It can rotate the positioning claw 232 out of the inner cavity of the groove so that the positioning claw 232 protrudes relative to the through pressure plate 21, which is convenient for hooking the top cover. The rotation of the positioning claw 232 can be positioned by the rotating shaft 231. The elastic protrusion 233 is hemispherical, which is convenient for positioning the positioning claw 232 in the storage state and prevents the positioning claw 232 from rotating out of the groove at will.

[0038] The elastic support mechanism 24 includes: a guide rod 241, which is fixedly installed inside another groove; a fixed seat 242, which is fixedly installed on the clamping positioning seat 1 and slides with the guide rod 241; and a spring 243, which is movably sleeved on the guide rod 241 and provides elastic support for the fixed seat 242. The cooperation between the guide rod 241 and the fixed seat 242 facilitates the positioning of the sliding of the through-plate 21, making the linear sliding of the through-plate 21 more stable. The spring 243 provides elastic support for the through-plate 21 so that the through-plate 21 can drive the positioning claw 232 to move towards the top cover, thereby clamping the top cover.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A tooling for processing the top cover of a spinning assembly, characterized in that, include: Clamping and positioning seat (1), the clamping and positioning seat (1) is used for assembling the upper cover; Positioning device (2), which is symmetrically installed on clamping positioning seat (1), is used to position the upper cover; Indexing chuck (3), which cooperates with clamping positioning seat (1), and the indexing chuck (3) is used to adjust the angle of clamping positioning seat (1); The positioning device (2) includes: Insertion pressure plate (21), the insertion pressure plate (21) is slidably connected to the clamping positioning seat (1), the insertion pressure plate (21) is used to press the upper cover into the assembly groove on the clamping positioning seat (1); Limiting frame (22), the limiting frame (22) is fixedly installed on the clamping positioning seat (1), the limiting frame (22) is used to limit the sliding of the through pressure plate (21), and the limiting frame (22) is C-shaped; The positioning device (2) further includes: A rotating positioning mechanism (23) is rotatably disposed at the bottom of the interpenetrating pressure plate (21), and the rotating positioning mechanism (23) is used to position the upper cover; An elastic support mechanism (24) is installed at the bottom of the interpenetrating pressure plate (21) and is used to provide elastic support for the interpenetrating pressure plate (21). The rotary positioning mechanism (23) includes: A rotating shaft (231) is fixedly installed inside one of the grooves; Positioning claw (232), the positioning claw (232) is rotatably engaged with the rotating shaft (231), the positioning claw (232) can rotate about the axis of the rotating shaft (231) as the center; An elastic protrusion (233) is installed inside the groove.

2. The tool for processing the upper cover of the spinning pack according to claim 1, characterized in that, The axis of the indexing chuck (3) coincides with the axis of the clamping and positioning seat (1).

3. The tool for processing the upper cover of the spinning pack according to claim 1, characterized in that, The bottom of the interlocking pressure plate (21) has two grooves, and the rotary positioning mechanism (23) and the elastic support mechanism (24) are respectively assembled in the inner cavity of the two grooves.

4. The tool for processing the upper cover of the spinning pack according to claim 1, characterized in that, The elastic support mechanism (24) includes: A guide rod (241) is fixedly installed inside another groove; Fixed seat (242), the fixed seat (242) is fixedly installed on the clamping positioning seat (1), and the fixed seat (242) is slidably engaged with the guide rod (241); A spring (243) is movably sleeved on a guide rod (241) and is used to provide elastic support for a fixed base (242).

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