Impeller multi-position drilling fixture
Patent Information
- Application Number
- CN202522069273.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-26
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-09-26
AI Technical Summary
[0005]本实用新型的目的在于提供叶轮多工位钻孔夹具,以解决上述背景技术中提出的现有叶轮加工装夹频次高,导致加工效率低的问题
(1)、本实用新型通过在加工台上端开设有三组装配槽,并在三组装配槽内装配安装有三组钻孔夹具模块,实现快速组装的效果,也能同时加工多个叶轮,且钻孔夹具模块内结构均可实现快速拆卸组装,从而增加整体加工效率,配合定位夹具,通过第二电机实现快速定位的作用,两组夹具座还能进行扩展调节,从而增加整体结构的适配率,从而解决了叶轮加工装夹频次高,导致加工效率低的问题。
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Figure CN224825537U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of impeller machining technology, specifically to a multi-station drilling fixture for impellers. Background Technology
[0002] An impeller is a core component of rotating machinery, widely used in pumps, compressors, turbines, fans, and other equipment. It converts mechanical energy into the kinetic or pressure energy of fluids, thereby enabling fluid transport or energy transfer. An impeller typically consists of blades, a rotor, and a casing; its structure and performance significantly impact the efficiency and operational stability of the equipment.
[0003] A tooling fixture for impeller machining, as disclosed in publication number CN108481053A, includes a base with a worktable fixed to its top. A fixing block is positioned at the center of the worktable and embedded in its top surface, with the upper surface of the fixing block and the upper surface of the worktable at the same level. A stepped column is positioned at the top of the fixing block, and a pressure plate is positioned at the top of the stepped column. Several clamping devices are positioned at the top of the worktable and are evenly distributed around the center of the worktable. This invention is applicable to the machining of impellers of various sizes, is easy to clamp, and features a positioning shaft and an auxiliary clamping pressure plate. The clamping devices provide reliable clamping, and the use of cylinders instead of manual labor makes operation simple, time-saving, and labor-saving.
[0004] During the use of the above-mentioned device, the impeller is frequently clamped during machining, resulting in low machining efficiency; therefore, we proposed a multi-station drilling fixture for impellers to solve the problems mentioned above. Utility Model Content
[0005] The purpose of this invention is to provide a multi-station drilling fixture for impellers to solve the problem of low processing efficiency caused by the high clamping frequency in existing impeller machining, as mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a multi-station impeller drilling fixture, including a processing table, a drilling module, and a drilling fixture module. The processing table has three sets of assembly slots at its upper end, and each of the three sets of assembly slots is equipped with a drilling fixture module. The drilling fixture module is assembled and connected to the assembly slots. An impeller is provided inside the drilling fixture module, and the impeller is positioned and installed inside the drilling fixture module. A drilling module is provided at the upper end of the drilling fixture module.
[0007] Preferably, the drilling fixture module includes a first base, an annular guide groove, a protection module, and an adjustment module. The first base is assembled in the assembly groove. An annular guide groove is provided at the upper end of the first base. An adjustment module is provided inside the annular guide groove. The adjustment module is assembled in the middle of the upper end of the first base. A protection module is provided at the upper end of the annular guide groove. The protection module is guided and connected to the annular guide groove. Six sets of bolt positioning grooves are provided at the upper end of the annular guide groove.
[0008] Preferably, the protection module includes a support base, a guide block, and a protective component. The guide block is disposed in an annular guide groove and is guided and connected to the annular guide groove. A bolt group is provided at the upper end of the guide block. The guide block is bolted to a bolt positioning groove at the beginning of the annular guide groove through the bolt group. A support base is provided at the upper end of the guide block. A guide groove is provided in the support base. A protective component is disposed in the guide groove and is assembled and connected to the support base.
[0009] Preferably, the protective component includes a first motor, a first threaded rod, an adjusting plate, and an elastic rubber layer. The first threaded rod is disposed in a guide groove, and its upper end extends through and to the upper end of the support base. The first motor is disposed at the upper end of the first threaded rod. Two sets of adjusting plates are symmetrically disposed in the guide groove and are guided and connected to the guide groove. The two sets of adjusting plates are drively connected to the first threaded rod.
[0010] Preferably, the adjustment module includes a second base and a positioning clamp. The second base is assembled in the middle of the upper end of the first base. A guide groove is provided in the second base, and the positioning clamp is provided in the guide groove.
[0011] Preferably, the positioning fixture includes a second motor, a second threaded rod, and a fixture seat. The second threaded rod is disposed in a guide groove, one end of which passes through and extends to the outside of the second base. A second motor is disposed on the outside of the second threaded rod. Two sets of fixture seats are symmetrically disposed on the left and right sides in the guide groove, and the two sets of fixture seats are connected to the second threaded rod in a driving connection.
[0012] Preferably, a protective pad is provided at the contact point between the clamp seat and the inner side of the impeller.
[0013] Compared with the prior art, the beneficial effects of this utility model are: (1) This utility model has three sets of assembly slots on the upper end of the processing table, and three sets of drilling fixture modules are installed in the three sets of assembly slots to achieve the effect of rapid assembly. It can also process multiple impellers at the same time. Moreover, the internal structure of the drilling fixture module can be quickly disassembled and assembled, thereby increasing the overall processing efficiency. With the help of the positioning fixture, the second motor can achieve the function of rapid positioning. The two sets of fixture seats can also be expanded and adjusted to increase the adaptability of the overall structure, thereby solving the problem of high impeller processing clamping frequency and low processing efficiency.
[0014] (2) By setting up protective modules on the outer side of the blades, and by connecting the elastic rubber layer of the two sets of adjustment plates symmetrically set in the protective modules with their lower ends, the blade surface is protected during the drilling process, reducing blade damage and thus solving the problem of the blades being fragile and easily damaged. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the drilling fixture module of this utility model; Figure 3 This is an enlarged view of the protection module of this utility model; Figure 4 This is an enlarged view of the adjustment module of this utility model; In the diagram: 1. Machining table; 2. Drilling fixture module; 21. First base; 22. Annular guide groove; 23. Protection module; 231. Support base; 232. Guide block; 233. Protective component; 2331. First motor; 2332. First threaded rod; 2333. Adjusting plate; 2334. Elastic rubber layer; 24. Adjusting module; 241. Second base; 242. Positioning fixture; 2421. Second motor; 2422. Second threaded rod; 2423. Fixture base; 3. Impeller. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0017] Please see Figure 1-4This utility model provides an embodiment of a multi-station impeller drilling fixture, including a processing table 1, a drilling module, and a drilling fixture module 2. The processing table 1 has three sets of assembly slots on its upper end, each containing a drilling fixture module 2. The drilling fixture module 2 is assembled and connected to the assembly slots. An impeller 3 is installed within the drilling fixture module 2, and the impeller 3 is positioned and installed within it. A drilling module is located on the upper end of the drilling fixture module 2. By providing three sets of assembly slots on the upper end of the processing table 1 and assembling three sets of drilling fixture modules 2 within them, rapid assembly is achieved, and multiple impellers 3 can be processed simultaneously. All internal structures of Block 2 can be quickly disassembled and assembled, thereby increasing overall processing efficiency. With the positioning fixture 242, the second motor 2421 achieves rapid positioning. The two sets of fixture seats 2423 can also be expanded and adjusted, thereby increasing the adaptability of the overall structure. This solves the problem of low processing efficiency caused by high clamping frequency in the processing of impeller 3. By setting protective modules 23 on the outer side of the blades, and by connecting the elastic rubber layer 2334 at the lower end of the two sets of adjusting plates 2333 symmetrically arranged in the protective modules 23, the blade surface is protected during drilling, reducing blade damage and thus solving the problem of blade fragility and easy damage.
[0018] Please see Figure 2 The drilling fixture module 2 includes a first base 21, an annular guide groove 22, a protection module 23, and an adjustment module 24. The first base 21 is assembled in an assembly slot. The annular guide groove 22 is formed at the upper end of the first base 21. The adjustment module 24 is arranged inside the annular guide groove 22 and is assembled in the middle of the upper end of the first base 21. The protection module 23 is arranged at the upper end of the annular guide groove 22 and is guided and connected to the annular guide groove 22. The annular guide groove 22 has six sets of bolt positioning grooves at the upper end. The upper end of the platform 1 has three sets of assembly slots, and three sets of drilling fixture modules 2 are installed in the three sets of assembly slots to achieve the effect of rapid assembly. It can also process multiple impellers 3 at the same time. Moreover, the internal structure of the drilling fixture module 2 can be quickly disassembled and assembled, thereby increasing the overall processing efficiency. With the help of the positioning fixture 242, the second motor 2421 achieves the function of rapid positioning. The two sets of fixture seats 2423 can also be expanded and adjusted, thereby increasing the adaptability of the overall structure. This solves the problem of low processing efficiency caused by the high frequency of impeller 3 processing and clamping.
[0019] Please see Figure 3The protection module 23 includes a support base 231, a guide block 232, and a protective element 233. The guide block 232 is disposed within the annular guide groove 22 and is guided and connected to the annular guide groove 22. A bolt group is provided at the upper end of the guide block 232, and the guide block 232 is bolted to the bolt positioning groove at the beginning of the annular guide groove 22 through the bolt group. A support base 231 is provided at the upper end of the guide block 232, and a guide groove is formed in the support base 231. The protective element 233 is disposed in the guide groove and is assembled and connected to the support base 231. 33 includes a first motor 2331, a first threaded rod 2332, an adjusting plate 2333, and an elastic rubber layer 2334. The first threaded rod 2332 is disposed in the guide groove, and the upper end of the first threaded rod 2332 extends through and to the upper end of the support base 231. The first motor 2331 is disposed at the upper end of the first threaded rod 2332. Two sets of adjusting plates 2333 are symmetrically arranged in the guide groove and are guided and connected to the guide groove. The two sets of adjusting plates 2333 are connected to the first threaded rod 2332 in a transmission manner, which plays a role in protecting the blade.
[0020] Please see Figure 4 The adjustment module 24 includes a second base 241 and a positioning fixture 242. The second base 241 is mounted in the middle of the upper end of the first base 21. A guide groove is provided in the second base 241, and the positioning fixture 242 is provided in the guide groove. The positioning fixture 242 includes a second motor 2421, a second threaded rod 2422, and a fixture seat 2423. The second threaded rod 2422 is provided in the guide groove, and one end of the second threaded rod 2422 passes through and extends to the outside of the second base 241. The second motor 2421 is provided on the outside of the second threaded rod 2422. Two sets of fixture seats 2423 are symmetrically arranged on the left and right sides in the guide groove. The two sets of fixture seats 2423 are connected to the second threaded rod 2422 for transmission, which plays a role in quickly adjusting the positioning of the impeller 3.
[0021] Furthermore, protective pads are provided at the contact points between the clamp seat 2423 and the inner side of the impeller 3 to protect the impeller 3.
[0022] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A multi-station impeller drilling fixture, comprising a processing table (1), a drilling module, and a drilling fixture module (2), characterized in that: The processing table (1) has three sets of assembly slots at its upper end. Each of the three sets of assembly slots is equipped with a drilling fixture module (2). The drilling fixture module (2) is assembled and connected to the assembly slot. An impeller (3) is provided inside the drilling fixture module (2). The impeller (3) is positioned and installed inside the drilling fixture module (2). A drilling module is provided at the upper end of the drilling fixture module (2).
2. The impeller multi-station drilling fixture according to claim 1, characterized in that: The drilling fixture module (2) includes a first base (21), an annular guide groove (22), a protection module (23), and an adjustment module (24). The first base (21) is assembled in the assembly groove. An annular guide groove (22) is provided at the upper end of the first base (21). An adjustment module (24) is provided inside the annular guide groove (22). The adjustment module (24) is assembled in the middle of the upper end of the first base (21). A protection module (23) is provided at the upper end of the annular guide groove (22). The protection module (23) is guided and connected to the annular guide groove (22). Six sets of bolt positioning grooves are provided at the upper end of the annular guide groove (22).
3. The impeller multi-station drilling fixture according to claim 2, characterized in that: The protection module (23) includes a support base (231), a guide block (232), and a protective component (233). The guide block (232) is disposed in the annular guide groove (22) and is guided and connected to the annular guide groove (22). A bolt group is provided at the upper end of the guide block (232). The guide block (232) is bolted to the bolt positioning groove starting on the annular guide groove (22) through the bolt group. A support base (231) is provided at the upper end of the guide block (232). A guide groove is opened in the support base (231). A protective component (233) is disposed in the guide groove and is assembled and connected to the support base (231).
4. The impeller multi-station drilling fixture according to claim 3, characterized in that: The protective component (233) includes a first motor (2331), a first threaded rod (2332), an adjusting plate (2333), and an elastic rubber layer (2334). The first threaded rod (2332) is disposed in the guide groove. The upper end of the first threaded rod (2332) extends through and to the upper end of the support base (231). The first motor (2331) is disposed at the upper end of the first threaded rod (2332). Two sets of adjusting plates (2333) are symmetrically arranged in the guide groove and are guided and connected to the guide groove. The two sets of adjusting plates (2333) are connected to the first threaded rod (2332) in a transmission connection.
5. The impeller multi-station drilling fixture according to claim 4, characterized in that: The adjustment module (24) includes a second base (241) and a positioning clamp (242). The second base (241) is mounted in the middle of the upper end of the first base (21). A guide groove is provided in the second base (241), and the positioning clamp (242) is provided in the guide groove.
6. The impeller multi-station drilling fixture according to claim 5, characterized in that: The positioning fixture (242) includes a second motor (2421), a second threaded rod (2422), and a fixture seat (2423). The second threaded rod (2422) is disposed in the guide groove. One end of the second threaded rod (2422) passes through and extends to the outside of the second base (241). The second motor (2421) is disposed on the outside of the second threaded rod (2422). Two sets of fixture seats (2423) are symmetrically arranged in the guide groove. The two sets of fixture seats (2423) are connected to the second threaded rod (2422) in a transmission connection.
7. The impeller multi-station drilling fixture according to claim 6, characterized in that: Protective pads are provided at the contact points between the clamp seat (2423) and the inner side of the impeller (3).
Citation Information
Patent Citations
Tool clamp used for impeller processing producing
CN108481053A