Process cavity tool for multi-procedure machining
By designing multi-process machining cavity tooling suitable for lathes, milling machines, and five-axis machining, the problem of frequent tooling changes in the multi-process machining of polymer material cavity products was solved, achieving high-precision and low-cost machining results.
Patent Information
- Application Number
- CN202520017804.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing polymer material process cavity products require frequent tooling changes during multi-process manufacturing, leading to increased processing difficulty, decreased precision, and higher costs.
Design a multi-process machining cavity tooling, including a support ring, an inner support ring, a fixing component, and a positioning component, which can be used in lathe, milling machine, and five-axis machining processes. Through the cooperation of multiple components, the tooling change steps are reduced.
It improves machining accuracy and reduces tooling costs, simplifies multi-process machining procedures, and improves machining efficiency and quality.
Smart Images

Figure CN223848645U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of polymer material processing technology, specifically a process cavity tooling for multi-process processing. Background Technology
[0002] Process cavity tooling, as a type of process equipment (or tooling for short), refers to the general term for various tools, fixtures, molds, measuring instruments, etc. used in multi-process machining to achieve specific process requirements. In multi-process machining, process cavity tooling plays a crucial role. They not only ensure the smooth progress of the machining process, but also ensure machining quality and production efficiency. By using appropriate tooling, the workpiece can be quickly positioned, clamped, and machined, thereby improving machining accuracy and efficiency.
[0003] For process cavity products made of polymer materials, the existing processing steps include lathe, milling machine and five-axis multi-process machining. Different tooling is used for different processing steps, and tooling must be changed each time a different process is performed, which increases the processing difficulty and further affects the processing accuracy, resulting in increased defect rate and increased production cost. This application proposes another technical solution to solve this technical problem. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a process cavity tooling for multi-process machining, which has the advantages of not needing to change tooling for machining. It solves the problem that different tooling is used for different processing steps, and tooling must be changed every time a different step is performed, which increases the processing difficulty and further affects the processing accuracy, leading to increased defect rate and increased production costs.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a multi-process machining cavity tooling, comprising a machining part, a support ring and an inner support ring, wherein a fixing component is provided on the support ring and a positioning component is provided on the inner support ring;
[0006] The inner support ring includes an outer pressure plate disposed at the top of the support ring, and an inner pressure plate is movably mounted on the top of the outer pressure plate. The top of the support ring is threaded with bolts, and a workpiece positioning pin is inserted between the support ring and the inner support ring. A tooling base plate is disposed at the bottom of the inner support ring.
[0007] Furthermore, the positioning component includes a tooling positioning pin installed on the bottom of the tooling base plate, and a five-axis centering column is inserted into the bottom of the tooling base plate.
[0008] Furthermore, the processed part is a cylindrical process cavity product, and the processed part is made of PTFE.
[0009] Further, the outer circle diameter of the inner pressing plate is 400 mm, and the outer circle diameter of the outer pressing plate is 488 mm.
[0010] Further, the top of the machining piece is provided with through holes for inserting workpiece positioning pins, and the number of the through holes is several, and the diameter of the workpiece positioning pin is the same as that of the through hole.
[0011] Further, the inner part of the outer pressing plate and the inner pressing plate is provided with a through hole, the top of the supporting ring is provided with a threaded hole, and the bolt is threadedly connected with the supporting ring through the threaded hole.
[0012] Further, the bottom of the tooling bottom plate is provided with an insertion slot, and the five-axis centering column is clamped with the tooling bottom plate through the insertion slot.
[0013] Further, the outer circle diameter of the machining piece is 422 mm, and the outer circle diameter of the tooling bottom plate is 488 mm.
[0014] Compared with the prior art, the technical scheme has the following beneficial effects:
[0015] The process cavity tooling of the multi-process machining improves the versatility of the device through the cooperation of multiple components, so that the device can be applied to the machining processes of the lathe, the milling machine and the five-axis at the same time, without the need to replace the tooling for machining, thereby reducing the tooling conversion steps of multi-process machining, so that the machining precision is greatly improved, and the overall use effect quality of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structure split view of the utility model;
[0017] Figure 2 It is a structure top view of the inner pressing plate and the outer pressing plate of the utility model;
[0018] Figure 3 It is a structure perspective view of the machining piece of the utility model;
[0019] Figure 4 It is a structure perspective view of the utility model.
[0020] In the drawing: 1, machining piece; 2, supporting ring; 3, inner supporting ring; 4, outer pressing plate; 5, inner pressing plate; 6, bolt; 7, workpiece positioning pin; 8, tooling bottom plate; 9, tooling positioning pin; 10, five-axis centering column. DETAILED DESCRIPTION
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figures 1 to 4 The process cavity tooling for multi-process machining in this embodiment includes a machining part 1, a support ring 2 and an inner support ring 3. The support ring 2 is provided with a fixing component, and the inner support ring 3 is provided with a positioning component.
[0023] Example 1: The inner support ring 3 includes an outer pressure plate 4 disposed at the top of the support ring 2. An inner pressure plate 5 is movably installed on the top of the outer pressure plate 4. The outer diameter of the inner pressure plate 5 is 400 mm, and the outer diameter of the outer pressure plate 4 is 488 mm.
[0024] The top of the support ring 2 is threaded with a bolt 6. Both the outer pressure plate 4 and the inner pressure plate 5 have through holes. The top of the support ring 2 has a threaded hole, and the bolt 6 is threadedly connected to the support ring 2 through the threaded hole.
[0025] Among them, a workpiece positioning pin 7 is inserted between the support ring 2 and the inner support ring 3. The top of the workpiece 1 is provided with a through hole for the workpiece positioning pin 7 to be inserted, and there are several through holes. The diameter of the workpiece positioning pin 7 is the same as the diameter of the through hole.
[0026] The bottom of the inner support ring 3 is provided with a tooling base plate 8. The outer diameter of the workpiece 1 is 422 mm, and the outer diameter of the tooling base plate 8 is 488 mm.
[0027] Specifically, part 1 is a cylindrical process cavity product, and part 1 is made of PTFE.
[0028] It should be noted that by working together with multiple components, the versatility of the device is improved, enabling it to be used simultaneously in lathe, milling machine, and five-axis machining processes without the need to change tooling. This reduces the tooling conversion steps required for multi-process machining, thereby greatly improving machining accuracy, reducing tooling costs, and enhancing the overall performance and quality of the device.
[0029] Specifically, the chamfer of the outer circle and the inner circle of the process cavity blank of the PTFE material is processed by the lathe, when the outer circle of the processed part 1 is chamfered, the outer pressing plate 4 needs to be taken out, the inner pressing plate 5 is fixed on the supporting ring 2 through the bolt 6, at the same time, the supporting ring 2, the inner supporting ring 3 and the tooling bottom plate 8 are sequentially installed at both ends of the process cavity blank of the processed part 1, the processed part 1 is clamped and fixed, and then the outer circle is chamfered, while the inner circle of the processed part 1 is chamfered, the inner pressing plate 5 needs to be taken out, and after the lathe processing is completed, the chamfering of the inner and outer circles of the workpiece is completed.
[0030] Embodiment two: please refer to Figure 1 and Figure 4 On the basis of embodiment one, the inner supporting ring 3 is further provided with a positioning assembly, and the positioning assembly comprises a tooling positioning pin 9 installed at the bottom of the tooling bottom plate 8.
[0031] Specifically, in the milling process, the tooling positioning pin 9 is installed below the tooling bottom plate 8 to position the entire tooling structure, at this time, the reference position on the milling machine no longer needs to be adjusted, thereby improving the efficiency of the milling process of the processed part 1.
[0032] The bottom of the tooling bottom plate 8 is inserted with a five-axis centering column 10, and the bottom of the tooling bottom plate 8 is provided with an insertion slot, and the five-axis centering column 10 is clamped with the tooling bottom plate 8 through the insertion slot.
[0033] Specifically, in the five-axis machining process, the workpiece positioning pin 7 needs to be inserted into one of the holes in advance to fix the product, and the five-axis centering column 10 is installed at the bottom end of the tooling bottom plate 8 to complete the five-axis machining positioning, thereby improving the accuracy of the device processing.
[0034] It should be noted that by installing the positioning assembly, the rotation of the processed part 1 tooling can be effectively limited, thereby completing the positioning, which saves the milling and five-axis machining time and improves the processing efficiency.
[0035] Specifically, when the processed part 1 is placed on the milling machine for machining the through hole on the surface of the workpiece, the tooling positioning pin 9 needs to be installed at the bottom end of the tooling bottom plate 8 at this time, which is used to limit the rotation of the tooling, then the workpiece positioning pin 7 with the same diameter as the diameter of the through hole on the surface of the processed part 1 is inserted, and the five-axis centering column 10 is inserted at the bottom end of the tooling bottom plate 8, thereby completing the preparation work before the five-axis machining process, which can fix the processed part 1 during the five-axis machining and facilitate positioning, and then the five-axis machining is carried out.
[0036] The working principle of the above embodiment is as follows:
[0037] The multi-process machining process cavity tooling first, the process cavity blank of PTFE material is processed by lathe to chamfer the outside circle and the inside circle, when chamfering the outside circle of the machining piece 1, the outer pressing plate 4 needs to be taken out, the inner pressing plate 5 is fixed on the support ring 2 through the bolt 6, and the support ring 2, the inner support ring 3 and the tooling bottom plate 8 are sequentially installed at both ends of the machining piece 1 (the process cavity blank), the machining piece 1 is clamped and fixed, and then the outside circle is chamfered, and when chamfering the inside circle of the machining piece 1, the inner pressing plate 5 needs to be taken out, after the lathe machining is completed, the inside and outside circle chamfering of the workpiece is completed;
[0038] Next, the clamped machining piece 1 is placed on the milling machine for machining the through hole on the surface of the workpiece, at this time, the tooling positioning pin 9 needs to be installed at the bottom end of the tooling bottom plate 8 for limiting the rotation of the tooling, so that positioning is completed, which saves the processing time and improves the processing efficiency, after the milling machine processing process is completed, the perforation work of the workpiece is completed;
[0039] Subsequently, according to the diameter of the surface through hole of the machining piece 1, the equal-diameter workpiece positioning pin 7 is inserted, and the five-axis centering column 10 is inserted at the bottom end of the tooling bottom plate 8, so that the preparation work before the five-axis machining process is completed, which can fix the machining piece 1 during five-axis machining and facilitate positioning, thereby greatly saving the time required for five-axis machining positioning and improving the processing efficiency.
[0040] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.
[0041] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A process chamber tool for multi-process processing, comprising a process part (1), a support ring (2) and an inner support ring (3), characterized in that: The support ring (2) is provided with a fixing assembly, and the inner support ring (3) is provided with a positioning assembly; The inner support ring (3) comprises an outer pressing plate (4) arranged at the top of the support ring (2), the top of the outer pressing plate (4) movably mounting an inner pressing plate (5), the top of the support ring (2) being threadedly connected with a bolt (6), the inside of the workpiece (1) being inserted with a workpiece positioning pin (7), and the bottom of the inner support ring (3) being provided with a tool bottom plate (8).
2. The multi-process machining process chamber tooling of claim 1, wherein: The positioning assembly comprises a tool positioning pin (9) mounted at the bottom of the tool bottom plate (8), and the bottom of the tool bottom plate (8) being inserted with a five-axis centering column (10).
3. The multi-process machining process chamber tooling of claim 1, wherein: The workpiece (1) is a cylindrical process cavity product, and the workpiece (1) is PTFE.
4. The multi-process machining process chamber tooling of claim 1, wherein: The outer circle diameter of the inner pressing plate (5) is 400 mm, and the outer circle diameter of the outer pressing plate (4) is 488 mm.
5. The multi-process machining process chamber tooling of claim 1, wherein: The top of the workpiece (1) is provided with a through hole for inserting the workpiece positioning pin (7), the number of the through holes is several, and the diameter of the workpiece positioning pin (7) is the same as that of the through hole.
6. The multi-process machined process chamber tooling of claim 1, wherein: The inside of the outer pressing plate (4) and the inner pressing plate (5) is provided with a through hole, the top of the support ring (2) is provided with a threaded hole, and the bolt (6) is threadedly connected with the support ring (2) through the threaded hole.
7. The multi-process machining process chamber tooling of claim 2, wherein: The bottom of the tool bottom plate (8) is provided with an insertion slot, and the five-axis centering column (10) is clamped with the tool bottom plate (8) through the insertion slot.
8. The multi-process machined process chamber tooling of claim 1, wherein: The outer circle diameter of the workpiece (1) is 422 mm, and the outer circle diameter of the tool bottom plate (8) is 488 mm.