A tool holder for machining of porous parts

Abstract

The utility model discloses a knife bar for multi -hole part processing belongs to machining technical field, a knife bar for multi -hole part processing, including the bar body of through work piece and setting on the surface of bar body multiple sets of processing subassembly, multiple sets of processing subassembly respectively to multiple coaxial hole simultaneously turning, processing subassembly includes the sliding sleeve for fixed tool and is used for driving sliding sleeve and tool adjustment cutting amount's feed component, the sliding sleeve is fixed to tool through upper pressure component and side pressure component, the utility model discloses through setting multiple sets of processing subassembly, make every processing subassembly single to one hole processing to can reduce the movement stroke when guiding rod processing, avoid appearing bigger vibration knife phenomenon, influence processing accuracy, the bar body of through work piece both ends are located work piece both sides, can use processing setting to limit the both ends of guiding rod, drive bar body and rotate and feed turning.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, and in particular to a tool holder for machining multi-hole parts. Background Technology

[0002] In the field of mechanical manufacturing, it is difficult to guarantee machining accuracy when machining multiple coaxial holes at the same time. Because machining multiple coaxial holes requires a long tool holder, the extension stroke of the tool holder is too large. When the suspended length of the tool holder is too long, it is easy to cause vibration, which will cause errors in the subsequent holes, making it difficult to guarantee coaxiality and affecting machining accuracy. Utility Model Content

[0003] The purpose of this invention is to solve the problem of tool vibration during the machining of multiple coaxial holes in the prior art, and to propose a tool holder for machining multi-hole parts.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A tool holder for machining multi-hole parts includes a rod body penetrating the workpiece and multiple sets of machining components disposed on the surface of the rod body. The multiple sets of machining components simultaneously machine multiple coaxial holes. Each machining component includes a sliding sleeve for fixing the tool and a feed component for adjusting the cutting amount by driving the sliding sleeve and the tool. The sliding sleeve fixes the tool through an upper pressure component and a side pressure component.

[0005] In some embodiments, the upper pressure assembly includes an upper pressure plate that slides vertically on the top of a sleeve via two first guide rods, the top of the sleeve being threadedly connected to a screw, the lower end of which abuts against the upper surface of the upper pressure plate.

[0006] In some embodiments, the side pressure assembly includes a side pressure plate that slides on one side of the groove via two second guide rods, the side pressure plate pressing against the side plate of the tool via a top block and a push block.

[0007] In some embodiments, the top block is fixed to the lower surface of the upper pressure plate, the push block is fixed to the side of the side pressure plate away from the tool, and the bottom of the top block and the side of the push block are provided with inclined surfaces, which are used to push the push block and the side pressure plate to abut against the side of the tool when the top block descends.

[0008] In some embodiments, the sliding sleeve slides radially on the surface of the rod body, and a cavity is provided inside the rod body, with one end of the sliding sleeve located inside the cavity.

[0009] In some embodiments, the feeding assembly includes a spiral guide plate and a toothed plate fixed to the upper surface of the sliding sleeve. The spiral guide plate rotates on the surface of the mounting plate and has an end face thread. The spiral guide plate meshes with the toothed plate.

[0010] In some embodiments, a stepped groove is formed on the surface of the rod body, the stepped groove being used to conceal the sliding sleeve and the feed assembly.

[0011] In some embodiments, the side of the stepped groove perpendicular to the sliding sleeve is threaded with a fastening bolt for further limiting the sliding sleeve.

[0012] Compared with the prior art, the present invention provides a tool holder for machining multi-hole parts, which has the following beneficial effects.

[0013] 1. This utility model, by setting multiple sets of processing components, allows each set of processing components to process a hole independently, thereby reducing the travel of the guide rod during processing and avoiding large vibration phenomena that affect processing accuracy; the two ends of the rod that penetrates the workpiece are located on both sides of the workpiece, and the processing settings can be used to limit the two ends of the guide rod, driving the rod to rotate and feed turning.

[0014] 2. This utility model, by setting up an upper pressure component and a side pressure component, allows the upper pressure plate to press on the top of the tool to fix the tool. When the upper pressure plate descends to clamp the tool, it drives the top block to move downward, thereby causing the top block to drive the push block and the side pressure plate to squeeze and clamp the side of the tool, completely clamping and fixing the tool. At the same time, the upper pressure plate and the side pressure plate squeeze the tool in a corner inside the slide groove to achieve the purpose of positioning.

[0015] Other advantages, objectives and features of this invention will be set forth in part in the description which follows; and in part will be apparent to those skilled in the art upon examination of the following description; or may be taught from practice of this invention. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the axial structure of this utility model.

[0017] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0018] Figure 3 This is a schematic diagram of the structure of this utility model in use.

[0019] Figure 4 This is a schematic diagram of the exploded structure of this utility model.

[0020] Figure 5 This is a side view sectional structural diagram of the sliding sleeve in this utility model.

[0021] Figure 6 This is a top view cross-sectional structural diagram of the sliding sleeve in this utility model.

[0022] Figure 7 This is a front view cross-sectional structural diagram of the sliding sleeve in this utility model.

[0023] Figure 8 This is a bottom view of the spiral guide plate in this utility model.

[0024] Figure 9 This is a cross-sectional structural diagram of the present invention.

[0025] In the picture: 1. Rod body; 2. Sliding sleeve; 201. Upper pressure assembly; 2011. Upper pressure plate; 2012. First guide rod; 2013. Screw; 202. Side pressure assembly; 2021. Side pressure plate; 2022. Second guide rod; 2023. Top block; 2024. Push block; 3. Cutting tool; 4. Feed assembly; 401. Spiral guide plate; 402. Mounting plate; 403. Toothed plate; 5. Step groove; 6. Fastening bolt; 7. Workpiece. Detailed Implementation

[0026] 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.

[0027] Reference Figure 1-9 A tool holder for machining multi-hole parts includes a rod body 1 that penetrates the workpiece 7 and multiple machining components disposed on the surface of the rod body 1. The multiple machining components simultaneously machine multiple coaxial holes. The machining components include a sliding sleeve 2 for fixing the tool 3 and a feed component 4 for driving the sliding sleeve 2 and the tool 3 to adjust the cutting amount. The sliding sleeve 2 slides radially on the surface of the rod body 1. The sliding sleeve 2 fixes the tool 3 through the upper pressure component 201 and the side pressure component 202. The surface of the rod body 1 is provided with a stepped groove 5, which is used to hide the sliding sleeve 2 and the feed component 4.

[0028] It is understandable that by setting up multiple sets of machining components, each set of machining components can machine a hole independently, thereby reducing the travel distance of the guide rod during machining and avoiding large vibration phenomena that would affect machining accuracy. The two ends of the rod 1 that passes through the workpiece 7 are located on both sides of the workpiece 7. The machining settings can be used to limit the two ends of the guide rod, driving the rod 1 to rotate and feed turning.

[0029] Specifically, the upper pressure assembly 201 includes an upper pressure plate 2011 that slides vertically at the top of the sliding sleeve 2 via two first guide rods 2012. Both first guide rods 2012 slide vertically at the top of the sliding sleeve 2, and the lower ends of the two first guide rods 2012 are fixed to the upper surface of the upper pressure plate 2011. A screw 2013 is threadedly connected to the top of the sliding sleeve 2, and the lower end of the screw 2013 abuts against the upper surface of the upper pressure plate 2011.

[0030] It is understandable that by rotating the screw 2013, the screw 2013 drives the upper pressure plate 2011 to slide downward, thereby applying pressure to the top of the tool 3 and fixing the tool 3.

[0031] Specifically, the side pressure assembly 202 includes a side pressure plate 2021 that slides inside one side of the slide groove via two second guide rods 2022. Both second guide rods 2022 slide inside one side of the slide groove, and the other end of the two second guide rods 2022 is fixed to one side of the side pressure plate 2021. The side pressure plate 2021 presses against the side plate of the tool 3 via a top block 2023 and a push block 2024. The top block 2023 is fixed to the lower surface of the upper pressure plate 2011, and the push block 2024 is fixed to the side of the side pressure plate 2021 away from the tool 3. The bottom of the top block 2023 and the side of the push block 2024 are both provided with inclined surfaces. The inclined surfaces are used to push the push block 2024 and the side pressure plate 2021 to abut against the side of the tool 3 when the top block 2023 descends.

[0032] It is understandable that when the upper pressure plate 2011 descends to clamp the tool 3, it drives the top block 2023 to move downward, thereby causing the top block 2023 to drive the push block 2024 and the side pressure plate 2021 to squeeze and clamp the side of the tool 3, thus completely clamping and fixing the tool 3. This allows the upper pressure plate 2011 and the side pressure plate 2021 to squeeze the tool 3 in a corner inside the slide groove, achieving the purpose of positioning.

[0033] Specifically, the rod body 1 has a cavity inside, and one end of the sliding sleeve 2 is located inside the cavity. The feed assembly 4 includes a spiral guide plate 401 and a toothed plate 403 fixed on the upper surface of the sliding sleeve 2. The spiral guide plate 401 rotates on the surface of the mounting plate 402. The mounting plate 402 is fixed to the surface of the stepped groove 5 by multiple bolts to seal the cavity. The spiral guide plate 401 has a threaded end face and meshes with the toothed plate 403. A handle is fixed at the upper end of the spiral guide plate 401. The handle is located inside the stepped groove 5 and has scale lines on its surface.

[0034] It is understandable that the spiral guide plate 401 is rotated by the rotating handle. With the cooperation of the spiral guide plate 401 and the toothed plate 403, the toothed plate 403 drives the sliding sleeve 2 to slide, thereby driving the tool 3 to adjust the depth of cut. By adjusting the depth of cut of each tool 3 individually, the accuracy of each hole is ensured. The cooperation between the spiral guide plate 401 and the toothed plate 403 is the same as the cooperation principle between the end face thread and the jaws in a three-jaw chuck.

[0035] Specifically, the stepped groove 5 is threadedly connected to the side of the sliding sleeve 2 with a fastening bolt 6, which is used to further limit the sliding sleeve 2.

[0036] It is understandable that by setting the fastening bolt 6, after adjusting the depth of cut of the tool 3, the fastening bolt 6 is used to fix the sliding sleeve 2, thereby further fixing the position of the tool 3 and preventing the sliding sleeve 2 from shifting during the turning process, which would affect the turning accuracy.

[0037] In this invention, during turning, the rod 1 passes through multiple coaxial holes, and the machining setup limits both ends of the rod 1. Then, multiple cutting tools 3 are installed and inserted into the sliding sleeve 2. By rotating the screw 2013, the screw 2013 drives the upper pressure plate 2011 to slide downwards, thereby applying pressure to the top of the cutting tool 3 and fixing it. When the upper pressure plate 2011 descends to clamp the cutting tool 3, it drives the top block 2023 to move downwards, thereby causing the top block 2023 to drive the push block 2024 and the side pressure plate 2021 to squeeze and clamp the side of the cutting tool 3. This completely clamps and fixes the tool 3, causing the upper pressure plate 2011 and the side pressure plate 2021 to press the tool 3 into a corner inside the slide groove, achieving the purpose of positioning. The rotating handle drives the spiral guide plate 401 to rotate. With the cooperation of the spiral guide plate 401 and the toothed plate 403, the toothed plate 403 drives the sliding sleeve 2 to slide. The depth of cut is adjusted with the help of the scale lines. By adjusting the depth of cut of each tool 3 individually, the accuracy of each hole is ensured. By machining one hole individually with each set of machining components, the movement stroke of the guide rod during machining can be reduced, avoiding large vibration phenomena that affect machining accuracy.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

[0039] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples; although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A tool holder for machining multi-hole parts, characterized in that, The tool includes a rod (1) that passes through the workpiece (7) and multiple sets of machining components disposed on the surface of the rod (1). The multiple sets of machining components simultaneously machine multiple coaxial holes. The machining components include a sliding sleeve (2) for fixing the tool (3) and a feed assembly (4) for adjusting the cutting amount by driving the sliding sleeve (2) and the tool (3). The sliding sleeve (2) fixes the tool (3) through an upper pressure assembly (201) and a side pressure assembly (202).

2. A tool holder for machining multi-hole parts according to claim 1, characterized in that, The upper pressure assembly (201) includes an upper pressure plate (2011) that slides vertically inside the top of the sliding sleeve (2) via two first guide rods (2012). The top of the sliding sleeve (2) is threaded with a screw (2013), and the lower end of the screw (2013) abuts against the upper surface of the upper pressure plate (2011).

3. A tool holder for machining multi-hole parts according to claim 2, characterized in that, The side pressure assembly (202) includes a side pressure plate (2021) that slides inside one side of the groove via two second guide rods (2022), and the side pressure plate (2021) presses against the side plate of the cutter (3) via a top block (2023) and a push block (2024).

4. A tool holder for machining multi-hole parts according to claim 3, characterized in that, The top block (2023) is fixed on the lower surface of the upper pressure plate (2011), and the push block (2024) is fixed on the side of the side pressure plate (2021) away from the cutter (3). The bottom of the top block (2023) and the side of the push block (2024) are both provided with inclined surfaces. The inclined surfaces are used to push the push block (2024) and the side pressure plate (2021) to abut against the side of the cutter (3) when the top block (2023) descends.

5. A tool holder for machining multi-hole parts according to claim 1, characterized in that, The sliding sleeve (2) slides radially along the rod (1) on the surface of the rod (1). A cavity is provided inside the rod (1), and one end of the sliding sleeve (2) is located inside the cavity.

6. A tool holder for machining multi-hole parts according to claim 1, characterized in that, The feeding assembly (4) includes a spiral guide plate (401) and a toothed plate (403) fixed on the upper surface of the sliding sleeve (2). The spiral guide plate (401) rotates on the surface of the mounting plate (402). The spiral guide plate (401) has a threaded end face and meshes with the toothed plate (403).

7. A tool holder for machining multi-hole parts according to claim 1, characterized in that, The rod body (1) has a stepped groove (5) on its surface, which is used to hide the sliding sleeve (2) and the feed assembly (4).

8. A tool holder for machining multi-hole parts according to claim 7, characterized in that, The stepped groove (5) is threaded on the side perpendicular to the sliding sleeve (2) with a fastening bolt (6) for further limiting the sliding sleeve (2).

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