Special multi-station boring machine
By inserting support blocks into the opening groove of the multi-station boring machine and using fixed clips and movable clips for external wall support, the problem of deformation of the opening hole when the boring tool is fed is solved, and the regularity and accuracy of the boring are achieved .
Patent Information
- Application Number
- CN202421183773.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The slight deformation of the opening hole by the boring tool during the boring process leads to irregularities in the hole and cannot meet the accuracy requirements.
A multi-station boring machine is designed to support the open workpiece by inserting a support block in the opening groove to avoid deformation during feeding of the boring tool, and to use fixed clips and movable clips for external wall support to ensure the boring hole. Accuracy.
It effectively avoids deformation of the open workpiece during boring, ensures the regularity and accuracy of the boring, and solves the problem of irregularity in the hole in the prior art.
Smart Images
Figure CN222429996U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to a multi-station boring machine. Background Art
[0002] Boring machines usually have the boring tool rotation as the main motion, and the movement of the boring tool or the workpiece as the feed motion. It is mainly used to process high-precision holes or complete the finishing of multiple holes in one positioning. It can also process the spindle holes, blind holes and stepped holes of machine tools.
[0003] However, mechanical parts often have openings that need to be bored. When the boring tool is fed to the edge of the opening hole and from the opening position to the edge of the opening, the boring tool causes the opening position of the opening hole to slightly deform inward or outward, causing the opening hole to appear as an irregular circle. This will cause irregularities inside the hole and fail to meet the precision requirements for boring. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a multi-station boring machine, which solves the problems raised in the above-mentioned background technology.
[0006] (II) Technical solution
[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0008] A multi-station boring machine comprises an open workpiece, a base and a plurality of boring tools. A plurality of clamping mechanisms are installed at the front end of the base. The open workpiece is installed in the clamping mechanism. A boring hole is arranged in the middle of the open workpiece. An open through groove communicating with the boring hole is opened on the side wall. The boring tool faces the open workpiece. The clamping mechanism comprises a clamping frame and a support block. The support block is arranged on the top of the clamping frame. The clamping frame is arranged on the outer side of the open workpiece in a concave-convex fitting manner. The support block is inserted in the open through groove.
[0009] Preferably, the clamping frame includes a sliding base, a mounting seat, a fixed clip and a movable clip, the sliding base is slidably mounted on the base, the mounting seat is fixedly mounted on the sliding base, the fixed clip is fixedly mounted on one end of the mounting seat, the movable clip is slidably connected to the mounting seat, the fixed clip and the movable clip are arranged opposite to each other, and the opening workpiece is arranged between the fixed clip and the movable clip.
[0010] Preferably, a sliding groove is provided on the mounting seat, a translation nut is fixed in the sliding groove, a translation screw is rotatably connected to the movable clip, and the translation screw is threadably matched with the translation nut.
[0011] Preferably, a guide groove is formed on the side wall of the sliding groove, a guide rod is connected to the movable clamp, and the guide rod is slidably connected to the guide groove.
[0012] Preferably, the supporting blocks are provided in two numbers, which are arranged oppositely on two sides of the open workpiece and respectively inserted into two sides of the open slot. The supporting blocks are provided in a step shape, and the side of the supporting blocks with a smaller width faces the open slot.
[0013] Preferably, a linkage mechanism is connected between the two support blocks, and the linkage mechanism includes a connecting beam, a guide rack, a synchronous gear and an adjusting seat. The adjusting seat is connected to the top of the fixed clip, and the synchronous gear is rotatably connected to the adjusting seat. The connecting beam is provided with two respectively connected to the top of the support block, and the guide rack is provided with two. One end of the two guide racks is fixed to one of the connecting beams, and the other end faces the other connecting beam and slides with the other connecting beam. The two synchronous gears are arranged opposite to each other and mesh with the two sides of the synchronous gear, and the connecting beam is slidably connected to the adjusting seat.
[0014] Preferably, a lifting screw is threadedly connected to the connecting beam, and the lifting screw is rotatably connected to the top of the supporting block.
[0015] (III) Beneficial effects
[0016] The utility model provides a multi-station boring machine, which has the following beneficial effects:
[0017] 1. In the utility model, a support block is inserted into the open through slot to support the open workpiece to avoid inward deformation of the open workpiece when the boring tool is fed to the position of the open workpiece close to the open hole through slot, and at the same time, a fixed clamp and a movable clamp matched with the concave and convex part of the open workpiece are provided to support the outer wall of the open workpiece to avoid inward deformation caused by squeezing when the boring tool is fed from the open hole through slot to the edge position of the open workpiece, and to avoid irregularities in the hole caused by deformation of the open workpiece during the boring process. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the mechanism of a multi-station boring machine of the utility model;
[0019] Figure 2 It is a structural schematic diagram of the clamping mechanism in the utility model;
[0020] Figure 3 It is a structural schematic diagram of the fixing clip in the utility model;
[0021] Figure 4 It is a structural schematic diagram of the linkage mechanism in the utility model;
[0022] Figure 5It is a structural schematic diagram of the movable clip in the utility model.
[0023] In the figure: 1. open workpiece; 2. base; 3. boring tool; 4. open through slot; 5. support block; 6. sliding base; 7. mounting seat; 8. fixed clip; 9. movable clip; 10. guide rod; 11. translation nut; 12. translation screw; 13. connecting beam; 14. guide rack; 15. synchronous gear; 16. adjustment seat; 17. lifting screw. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0025] The utility model provides a multi-station boring machine.
[0026] like Figure 1-5As shown, it includes an open workpiece 1, a base 2 and a plurality of boring tools 3, the plurality of boring tools 3 are respectively installed on the base 2, a plurality of clamping mechanisms are installed at the front end of the base 2, the open workpiece 1 is installed in the clamping mechanism, a boring hole is arranged in the middle of the open workpiece 1, and an open through groove 4 connected to the boring hole is opened on the side wall, the boring tool 3 faces the open workpiece 1, the clamping mechanism includes a clamping frame and a support block 5, the support block 5 is arranged on the top of the clamping frame, the clamping frame is concavely and convexly matched on the outside of the open workpiece 1, the support block 5 is inserted in the open through groove 4, the clamping frame includes a sliding base 6, a mounting seat 7, a fixed clamping piece 8 and a movable clamping piece 9, the sliding base 6 slides The movable clamp 9 is slidably connected to the mounting seat 7, and a sliding groove is provided on the mounting seat 7. The side wall of the sliding groove is provided with a guide groove. A guide rod 10 is connected to the movable clamp 9, and the guide rod 10 is slidably connected to the guide groove. A translation nut 11 is fixed in the sliding groove, and a translation screw 12 is rotatably connected to the movable clamp 9. The translation screw 12 is threadedly matched with the translation nut 11, and a guide rod 10 is provided on the side of the guide rod 10 facing the translation nut 11. A V-shaped groove is matched with the upper side of the translation nut 11 in a concave-convex manner. The open workpiece 1 is arranged between the fixed clip 8 and the movable clip 9. Two support blocks 5 are provided. The support blocks 5 are arranged in a step-shaped manner and are arranged oppositely on both sides of the open workpiece 1. They are respectively inserted into the two sides of the open through groove 4. The side with a smaller width of the support block 5 faces the open through groove 4. A linkage mechanism is connected between the two support blocks 5. The linkage mechanism includes a connecting beam 13, a guide rack 14, a synchronous gear 15 and an adjustment seat 16. The adjustment seat 16 is fixedly connected to the top of the fixed clip 8. A gear hole is provided in the middle of the adjustment seat 16. The synchronous gear 15 rotates The adjusting seat 16 is movably connected in the gear hole of the adjusting seat 16, and a synchronous slide groove is opened on the lower side of the adjusting seat 16. The connecting beam 13 is provided with two connecting beams 13 respectively connected to the top of the supporting block 5. The guide racks 14 are provided with two oppositely arranged ones and meshed with the synchronous gear 15. One end of the two guide racks 14 is fixed on one of the connecting beams 13, and the other end faces the other connecting beam 13 and slides with the other connecting beam 13. The connecting beam 13 is slidably connected in the synchronous slide groove of the adjusting seat 16, and the guide rack 14 is slidably connected with the synchronous slide groove. A lifting screw 17 is threadedly connected to the connecting beam 13, and the lifting screw 17 is rotatably connected to the top of the supporting block 5.
[0027] Working principle: In the utility model, the opening workpiece 1 is placed on the fixed clamping piece 8, and the movable clamping piece 9 is pushed to translate on the mounting seat 7 by rotating the translation screw 12 until the movable clamping piece 9 contacts the other side of the opening workpiece 1, completing the outer ring limit fixation of the opening workpiece 1, and adjusting the height of the support block 5 by rotating the lifting screw 17, so that the height of the support block 5 is higher than the boring hole of the opening workpiece 1, so as to prevent the boring tool 3 from touching the support block 5 during the feeding process, and the terraced support block 5 extends into the opening of the opening workpiece 1 through the inclined surface. The two guide racks 14 meshing with the two support blocks 5 are synchronously moved inward or outward until the support blocks 5 abut against the side walls of the opening slot 4, thereby avoiding the possibility of the opening workpiece 1 shrinking and deforming into the opening slot 4. By supporting the opening workpiece 1 on both sides of the opening workpiece 1, the deformation of the opening workpiece 1 caused by the cutting pressure applied by the boring tool 3 during the boring process is avoided, thereby ensuring the accuracy of the boring process.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A multi-station boring machine, comprising an opening workpiece, a base and a plurality of boring cutters, characterized in that: A plurality of clamping mechanisms are installed at the front end of the base, the open workpiece is installed in the clamping mechanism, a boring hole is arranged in the middle of the open workpiece, an open through slot connected to the boring hole is opened on the side wall, the boring tool faces the open workpiece, the clamping mechanism includes a clamping frame and a support block, the support block is arranged on the top of the clamping frame, the clamping frame is arranged on the outside of the open workpiece with a concave-convex fitting, and the support block is inserted in the open through slot.
2. A multi-station boring machine according to claim 1, characterized in that: The clamping frame includes a sliding base, a mounting seat, a fixed clip and a movable clip, the sliding base is slidably mounted on the base, the mounting seat is fixedly mounted on the sliding base, the fixed clip is fixedly mounted on one end of the mounting seat, the movable clip is slidably connected to the mounting seat, the fixed clip and the movable clip are arranged opposite to each other, and the opening workpiece is arranged between the fixed clip and the movable clip.
3. A multi-station boring machine according to claim 2, characterized in that: The mounting seat is provided with a sliding groove, a translation nut is fixed in the sliding groove, a translation screw is rotatably connected to the movable clip, and the translation screw is threadably matched with the translation nut.
4. A multi-station boring machine according to claim 3, characterized in that: A guide groove is formed on the side wall of the sliding groove, and a guide rod is connected to the movable clamping piece, and the guide rod is slidably connected to the guide groove.
5. A multi-station boring machine according to claim 4, characterized in that: The support blocks are provided in two pieces, which are arranged oppositely on the two sides of the open workpiece and respectively inserted into the two sides of the open slot. The support blocks are provided in a step shape, and the side of the support blocks with a smaller width faces the open slot.
6. A multi-station boring machine according to claim 5, characterized in that: A linkage mechanism is connected between the two support blocks, and the linkage mechanism includes a connecting beam, a guide rack, a synchronous gear and an adjusting seat. The adjusting seat is connected to the top of the fixed clip, and the synchronous gear is rotatably connected to the adjusting seat. The connecting beam is provided with two respectively connected to the top of the support block, and the guide rack is provided with two. One end of the two guide racks is fixed to one of the connecting beams, and the other end faces the other connecting beam and slides with the other connecting beam. The two synchronous gears are arranged opposite to each other and mesh with the two sides of the synchronous gear, and the connecting beam is slidably connected to the adjusting seat.
7. A multi-station boring machine according to claim 6, characterized in that: A lifting screw is threadedly connected to the connecting beam, and the lifting screw is rotatably connected to the top of the supporting block.