Multi-station clamp teaching model for five-axis machining center

By designing a multi-station fixture teaching model for a five-axis machining center, and utilizing components such as limit plates, OK clamps, and pins to achieve precise workpiece positioning and machining, this model addresses the shortcomings of existing teaching models, enhances students' fixture design capabilities and learning enthusiasm, and possesses the advantages of low cost and mass production capability.

CN223797052UActive Publication Date: 2026-01-13SHOUGANG INST OF TECH +1
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Patent Information

Application Number
CN202423313700.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-13
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing teaching models for five-axis machining centers are insufficient, which affects the improvement of students' fixture design and professional comprehensive abilities, and the purchased models cannot fully meet the teaching needs.

Method used

Design a teaching model for a multi-station fixture in a five-axis machining center, including a base plate, a first station, a second station, and a third station. Utilize components such as limit plates, OK clamps, pins, and pin posts to simulate the entire machining process of the workpiece, achieving precise positioning and machining of the workpiece at different stations.

Benefits of technology

It enhances the depth of teaching content and learning enthusiasm, strengthens students' fixture design capabilities and professional comprehensive abilities, and has the advantages of low cost and mass production capability, making it easy to promote and apply.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multi-station clamp teaching model for a five-axis machining center, a first station comprises a first seat plate, a limiting plate and an OK clamp which are all installed on a foundation plate, the first seat plate is provided with a main plate and barrier strips which are located on two sides of the width of the main plate and protrude upwards, the limiting plate is located on one side of the length of the main plate, the main plate is provided with a through groove, and the OK clamp is arranged in the through groove. The second station comprises a second base plate installed on the foundation plate, two grooves distributed side by side are formed in the second base plate, a pin is connected to the top side of the second base plate, the workpiece is positioned on the second base plate through the pin, the two third stations are oppositely arranged, and the second base plate is provided with a through groove. The third station comprises a third base plate installed on the foundation plate and two pin columns connected to the same vertical side face of the third base plate, and the workpiece is located and installed on the third station through the two pin columns. The model can be used in a machining center for multi-step fixture teaching, and the teaching content developed according to the model is closely related to the learning content of fixture design.
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Description

Technical Field

[0001] This utility model relates to the field of teaching model technology, and in particular to a multi-station fixture teaching model for a five-axis machining center. Background Technology

[0002] Fixture design is an essential core competency for students in related majors. The teaching process of fixture design emphasizes the cultivation of students' ability to process typical parts. Students are required to complete the process tooling design of typical parts. It has the characteristics of being closely integrated with practice, highly applicable, and covering a wide range of fields.

[0003] With the continuous development of five-axis machining center technology, there is often a lack of teaching models that match the five-axis machining center technology in the learning process of fixture design. Existing models purchased from the market cannot fully meet the teaching needs and content, which affects students' learning enthusiasm and is not conducive to improving students' fixture design ability and professional comprehensive ability. Utility Model Content

[0004] To address the aforementioned issues, this application provides a teaching model for a multi-station fixture used in a five-axis machining center.

[0005] This application provides a teaching model of a multi-station fixture for a five-axis machining center, including a base plate, a first station, a second station, and a third station. The first station includes a first base plate, a limiting plate, and an OK clamp, all mounted on the base plate. The first base plate has a main plate and upward-protruding stop bars on both sides of the main plate's width. The limiting plate is located on one side of the main plate's length and protrudes relative to the main body. The main plate has a through slot extending along its thickness between the two side stop bars. The OK clamp passes through the through slot and is used to press the workpiece in its blank state against the stop bars. The first station works in conjunction with a CNC machine. The machine tool processes the workpiece to form a raised structure on one side of the product. The second station includes a second seat plate mounted on the base plate. The second seat plate has two parallel grooves with the same shape as the raised mechanism. A pin is connected to the top side of the second seat plate. The pin is used to position the workpiece processed in the first station on the second seat plate. There are two opposite third stations. The third station includes a third seat plate mounted on the base plate and two pins connected to the same vertical side of the third seat plate. The two pins are used to engage with the through holes processed in the second station to install the workpiece in the third station.

[0006] In some implementations, the first workstation is adjacent to the second workstation, and two third workstations are located on the same side of the first and second workstations, and the two third workstations are respectively adjacent to the first and second workstations.

[0007] In some embodiments, the groove is elongated and flat, with a length direction that is the same as the length direction of the main board.

[0008] In some implementations, the third seat plate is mounted at the edge of the base plate, and two third seat plates are mounted on the same side of the base plate.

[0009] In some implementations, the base plate is configured to be horizontally distributed on the CNC machine tool, and the third base plate includes a back side facing away from the first or second station, with a pin connected to the back side.

[0010] In some implementations, the limiting plate is located on the side of the main board away from the length of the third seat plate.

[0011] In some implementations, the motherboard has one through slot and another through slot along the central axis, and each of the two through slots is fitted with an OK clip.

[0012] In some embodiments, the motherboard has clearance holes on both sides of its width, and the two clearance holes are directly opposite the mounting holes; the first station also includes at least two L-shaped strips, which are fixedly mounted on the base plate and located in the area of ​​the clearance holes. The L-shaped strips are flush with the stop bars, and the OK clamp is used to press the workpiece in the blank state onto the stop bars and the L-shaped strips.

[0013] In some embodiments, the pin has axially distributed slots on its circumferential side.

[0014] In some implementations, the base plate is a square plate.

[0015] The beneficial effects of this application are as follows: It provides a teaching model for a multi-station fixture used in a five-axis machining center. Three stations are set on a base plate. The first station includes a first base plate, a limiting plate, and an OK clamp, all mounted on the base plate. The limiting plate positions the workpiece, and the OK clamp in the slot and stop bar clamps the workpiece. The first station is for workpieces in a blank state. One workpiece can be fixed on each side of the OK clamp at the first station. The bottom contour of the workpiece in the blank state is precision milled at the first station, creating a raised structure on the bottom surface. Positioning holes are also machined at the edge of the workpiece at the first station, ensuring the tolerance of the machined holes. The second station has two grooves with the same shape as the raised mechanism. The workpiece machined at the first station is smoothly positioned and placed on the second station using these grooves. Pins are used to position the workpiece. The top contour of the workpiece is precision milled at the second station, and three connected holes are machined at the second station. The third station… After the workpiece is processed at the second station, it is fitted onto the two pins at the third station. Specifically, the pins pass through two of the three holes in the workpiece. Since the pins are located on the vertical side of the third base plate, the workpiece installed at the third station is vertically distributed. At this time, the side holes of the workpiece can be easily machined using a drilling machine. In summary, the multi-station fixture teaching model for five-axis machining centers provided in this application can simulate the entire machining process of a workpiece on the same fixture. The dual-workpiece machining scheme can further enhance the depth of the teaching content. This model can be used for multi-step fixture teaching on machining centers. The teaching content based on this model is closely related to the fixture design learning content, which can improve students' learning enthusiasm and is conducive to improving students' fixture design ability and professional comprehensive ability. On the other hand, this model also has technical advantages in manufacturing, low production cost, and mass production, which facilitates its promotion and application. Attached Figure Description

[0016] 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 will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model.

[0017] Figure 1 This is a structural schematic diagram of the thickness side of the workpiece involved in this application;

[0018] Figure 2 This is a structural schematic diagram of the other side of the thickness of the workpiece involved in this application;

[0019] Figure 3 A schematic diagram of the structure of a teaching model of a multi-station fixture for a five-axis machining center provided in this application;

[0020] Figure 4 This application provides an assembly diagram of a multi-station fixture teaching model for a five-axis machining center, illustrating the clamping of a workpiece.

[0021] Attached diagram labels: 100-Base plate, 200-First station, 210-First base plate, 211-Main plate, 2111-Through groove, 2112-Allowing hole, 212-Stop bar, 220-Limiting plate, 230-OK clamp, 240-L-shaped bar, 300-Second station, 310-Second base plate, 311-Groove, 312-Pin, 400-Third station, 410-Third base plate, 420-Pin post, 421-Slot, 20-Workpiece, 21-Protruding structure. Detailed Implementation

[0022] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0023] Furthermore, reference numerals and / or reference letters may be repeated in different examples in this application. Such repetition is for simplification and clarity purposes and does not in itself indicate a relationship between the various embodiments and / or settings discussed. In addition, this application provides examples of various specific processes and materials; however, those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0024] Please refer to Figure 1 and Figure 2 , Figure 1 and Figure 2 The shape of the workpiece 20 involved in this solution is disclosed. The bottom surface of the workpiece 20 is a raised structure 21. The bottom surface of the workpiece 20 is also the thickness side of the workpiece 20. The workpiece 20 also needs to be machined with side holes. The axial direction of the side holes is perpendicular to the thickness direction of the workpiece 20.

[0025] Please refer to Figure 3 This application provides a teaching model for a multi-station fixture used in a five-axis machining center, including a base plate 100, a first station 200, a second station 300, and a third station 400. Please refer to the reference. Figure 3 and Figure 4 , Figure 4 The diagram shows the assembly of workpiece 20 at various workstations at each stage.

[0026] Please refer to Figure 3The first station 200 includes a first base plate 210, a limiting plate 220, and an OK clamp 230, all mounted on the base plate 100. The first base plate 210 has a main plate 211 and baffles 212 that protrude upwards on both sides of the width of the main plate 211. The limiting plate 220 is located on the length side of the main plate 211 and protrudes relative to the main body. The main plate 211 has a through groove 2111 that runs through the thickness direction between the baffles 212 on both sides. The OK clamp 230 passes through the through groove 2111 and is used to press the workpiece 20 in the blank state onto the baffles 212. The first station 200, in conjunction with a CNC machine tool, processes the workpiece 20 into a protruding structure 21 on one side of the formed product.

[0027] Please refer to the reference. Figure 3 and Figure 4 The workpiece 20 is positioned using the limiting plate 220, and the workpiece 20 is clamped using the stop bar and the OK clamp 230 in the through groove 2111. The first station 200 is for the workpiece 20 in the blank state. At the first station 200, a workpiece 20 can be fixed on both sides of the OK clamp 230. The bottom surface contour of the workpiece 20 in the blank state is precision milled at the first station 200, and the protruding structure 21 on the bottom surface of the workpiece 20 is machined. The positioning hole at the edge of the workpiece 20 is also machined at the first station 200, which can ensure the tolerance of the machined hole.

[0028] Please refer to Figure 3 The second station 300 includes a second seat plate 310 mounted on the base plate 100. The second seat plate 310 has two grooves 311 arranged in parallel and having the same shape as the protrusion mechanism. A pin 312 is connected to the top side of the second seat plate 310. The workpiece 20 processed in the first station 200 is positioned on the second seat plate 310 by the pin 312.

[0029] Please refer to the reference. Figure 3 and Figure 4 The workpiece 20 processed at the first station 200 is smoothly positioned on the second station 300 using the groove 311. The workpiece 20 is positioned using the pin 312. The top surface contour of the workpiece 20 is precision milled at the second station 300, and the three-hole joint of the workpiece 20 is machined at the second station 300.

[0030] Please refer to Figure 3 The third station 400 is provided in two locations. The third station 400 includes a third base plate 410 mounted on the base plate 100 and two pins 420 connected to the same vertical side of the third base plate 410. The two pins 420 and the through holes processed in the second station 300 of the workpiece 20 cooperate with each other to install the workpiece 20 processed in the second station 300 on the third station 400.

[0031] The workpiece 20, which has been processed in the second station 300, is installed in the third station 400. The workpiece 20 is then fitted over the two pins 420 in the third station 400. Specifically, the pins 420 pass through two of the three holes in the workpiece 20. Since the pins 420 are located on the vertical side of the third base plate 410, the workpiece 20 installed in the third station 400 is vertically distributed. At this time, the side holes of the workpiece 20 can be successfully machined using a drilling machine.

[0032] In summary, the multi-station fixture teaching model for five-axis machining centers provided in this application can simulate the entire machining process of workpiece 20 on the same fixture. The machining scheme of dual workpieces 20 can further enhance the depth of the teaching content. This model can be used for multi-step fixture teaching on machining centers. The teaching content based on this model is closely related to the learning content of fixture design, which can improve students' learning enthusiasm and is conducive to improving students' fixture design ability and professional comprehensive ability. On the other hand, this model also has technical advantages in manufacturing, low production cost and mass production, which facilitates its promotion and application.

[0033] In some implementation methods, please refer to Figure 3 The first station 200 is adjacent to the second station 300, and two third stations 400 are located on the same side of the first station 200 and the second station 300, respectively adjacent to the first station 200 and the second station 300. By rationally arranging the positions of each station on the base plate 100, the fixtures are compact and can be easily processed during teaching, facilitating the machine tool's tool movement.

[0034] In some implementation methods, please refer to Figure 3 The groove 311 is flat and elongated, and the flat and elongated groove 311 has a length direction, which is the same as the length direction of the main board 211.

[0035] In some implementation methods, please refer to Figure 3 The third seat plate 410 is installed at the edge of the base plate 100, and the two third seat plates 410 are installed on the same side of the base plate 100.

[0036] In some embodiments, the base plate 100 is horizontally distributed on the CNC machine tool, and the third mounting plate 410 includes a side facing away from the first station 200 or the second station 300, with a pin 420 connected to the side facing away, so that when the workpiece 20 is mounted on the third station 400, Figure 4 The diagram shows a suspended distribution compared to the base plate 100.

[0037] In some embodiments, the limiting plate 220 is located on the side of the main plate 211 that is away from the length of the third base plate 410.

[0038] In some embodiments, the motherboard 211 has one through slot 2111 and another through slot 2111 sequentially along the central axis, and each of the two through slots 2111 is fitted with an OK clip 230.

[0039] In some embodiments, the main board 211 has clearance holes 2112 on both sides of its width, and the two clearance holes 2112 are directly opposite the mounting holes. The first station 200 also includes at least two L-shaped strips 240, which are fixedly mounted on the base plate 100 and located in the area of ​​the clearance holes 2112. The L-shaped strips 240 are flush with the stop bars, and the OK clamp 230 is used to press the workpiece 20 in its blank state onto the stop bars 212 and the L-shaped strips 240. By adding the L-shaped strips 240, the support area of ​​the first station 200 for the workpiece 20 is increased.

[0040] In some embodiments, the pin 420 has axially distributed slots 421 on its circumferential side. By setting the slots 421, the pin 420 can undergo slight deformation when the workpiece 20 is installed at the third station 400, which can enhance the tightness of the connection between the pin 420 and the workpiece 20.

[0041] In some implementation methods, please refer to Figure 3 The base plate 100 is a square plate.

[0042] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0043] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0044] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A teaching model for a multi-station fixture used in a five-axis machining center, characterized in that, include: Baseboard; The first station includes a first base plate, a limiting plate, and an OK clamp, all mounted on the base plate. The first base plate has a main plate and upward-protruding baffles on both sides of the main plate's width. The limiting plate is located on the length side of the main plate and protrudes relative to the main plate. The main plate has a through groove extending along the thickness direction between the baffles on both sides. The OK clamp passes through the through groove and is used to press the workpiece in its blank state onto the baffles. The first station, in conjunction with a CNC machine tool, processes the workpiece to form a protruding structure on one side of the finished product. The second station includes a second base plate mounted on the base plate. The second base plate has two grooves arranged side by side and having the same shape as the protrusion mechanism. A pin is connected to the top side of the second base plate. The pin is used to position the workpiece processed in the first station on the second base plate. The third workstation is provided in two locations opposite each other. The third workstation includes a third seat plate mounted on the base plate and two pins connected to the same vertical side of the third seat plate. The two pins are used to cooperate with the through holes machined in the second workstation to install the workpiece in the third workstation.

2. The teaching model for a multi-station fixture in a five-axis machining center as described in claim 1, characterized in that, The first workstation is adjacent to the second workstation, and the two third workstations are located on the same side of the first workstation and the second workstation, and the two third workstations are respectively adjacent to the first workstation and the second workstation.

3. The teaching model for a multi-station fixture in a five-axis machining center as described in claim 2, characterized in that, The groove is elongated and flat, and the elongated groove has a length direction, which is the same as the length direction of the motherboard.

4. The teaching model for a multi-station fixture in a five-axis machining center as described in claim 2, characterized in that, The third seat plate is installed at the edge of the base plate, and the two third seat plates are installed on the same side of the base plate.

5. The teaching model for a multi-station fixture in a five-axis machining center as described in claim 4, characterized in that, The base plate is configured to be horizontally distributed on the CNC machine tool, and the third base plate includes a back side facing away from the first station or the second station, and the pin is connected to the back side.

6. The teaching model for a multi-station fixture in a five-axis machining center as described in claim 4, characterized in that, The limiting plate is located on the side of the main board that is furthest from the third base plate.

7. The teaching model for a multi-station fixture for a five-axis machining center as described in any one of claims 1-6, characterized in that, The motherboard has one through slot and another through slot along the central axis, and each of the two through slots is fitted with an OK clip.

8. The teaching model for a multi-station fixture in a five-axis machining center as described in claim 1, characterized in that, The pin has grooves distributed axially on its circumference.

9. The teaching model for a multi-station fixture in a five-axis machining center as described in claim 1, characterized in that, The base plate is a square plate.