A slot milling device for milling a slot in a bore of a barrel
By introducing an arc-shaped plate and chip baffle structure into the milling device, and using a blower to blow airflow to remove and collect chips, the problems of chip accumulation and splashing are solved, thus improving machining accuracy and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO MIKELDA WELDING & CUTTING TOOLS CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-06-23
AI Technical Summary
When existing milling devices process the inner hole of the machine barrel, chips tend to accumulate and splash, affecting machining accuracy and safety.
A milling device including an arc plate and a chip baffle is designed. It uses a blower to blow airflow to remove debris and uses a transparent chip baffle to prevent splashing. The debris is collected in a collection trough.
Effectively removes debris, ensuring machining accuracy and safety, and preventing debris from flying and injuring operators.
Smart Images

Figure CN224390047U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of machining technology, specifically a milling device for milling grooves in the inner hole of a machine barrel. Background Technology
[0002] In the field of machining, milling the inner bore of a barrel is an important process, widely used in industries such as aerospace and automobile manufacturing. The accuracy and efficiency of milling the inner bore of a barrel directly affect the performance of the parts. Currently, some milling devices clamp the workpiece with a three-jaw chuck before processing, and then process it with a milling cutter. However, during the processing, the chips generated by milling accumulate in the three-jaw chuck and the inner bore of the workpiece, resulting in chip accumulation. At the same time, the chips generated during milling also fly around, which poses a certain danger to the surrounding operators. Utility Model Content
[0003] The purpose of this invention is to provide a milling device for milling grooves in the inner hole of a machine barrel, so as to solve the problems existing in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a milling device for milling grooves in the inner hole of a machine barrel, comprising a lathe and a three-jaw chuck. The top of the lathe is provided with an arc-shaped plate, and sliding grooves are provided on the left and right sides of the top of the arc-shaped plate. A chip baffle is slidably connected inside the sliding groove, and a handle is fixedly connected to the surface of the chip baffle. A fixing plate is fixedly connected to the bottom of one side of the arc-shaped plate. Fixing blocks are provided on the left and right sides of the top of the back of the lathe. A connecting structure is provided between the fixing plate and the fixing blocks. A blower is provided at the bottom of the rear side of the lathe, and an air duct is connected to the top of the blower. An inner hole is provided inside the three-jaw chuck, and the other end of the air duct passes through the lathe and communicates with the inner hole of the three-jaw chuck.
[0005] Preferably, the connection structure includes a hinge disposed between the fixed plate and the fixed block, and stop pins are fixedly connected to the left and right sides of the top of the fixed block, and several screws are threadedly connected to the top and rear sides of the fixed block.
[0006] Preferably, both the chip shield and the arc-shaped plate are made of transparent acrylic sheet, and the chip shield can slide within the groove inside the arc-shaped plate.
[0007] Preferably, a pin is provided through the right side of the arc-shaped plate, and the other end of the pin is used in conjunction with the inside of the chip shield.
[0008] Preferably, a limiting block is fixedly connected to one end of the chip shield, and a baffle is fixed to the inner side of the top of the arc plate, the baffle being used in conjunction with the limiting block.
[0009] Preferably, a collection groove is provided at the bottom of the inner side of the lathe.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] In the milling process of this invention, as the blower is started, the airflow it blows will blow through the air duct to the inner hole, thereby blowing out the chips generated during milling. This can prevent chip accumulation from affecting subsequent processing. At the same time, the chip baffle is slidably connected inside the arc plate, so that the chip baffle and the arc plate can shield the processing area. This not only makes it convenient for the operator to observe the processing through the chip baffle, but also prevents the chips generated during milling from flying and injuring the operator. Attached Figure Description
[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0013] Figure 2 This is a rear-view three-dimensional structural diagram of the present invention;
[0014] Figure 3 This is a schematic diagram of the right-side stereoscopic structure of the present invention;
[0015] Figure 4 This is a three-dimensional cross-sectional view of the lathe in this utility model;
[0016] Figure 5 This is a three-dimensional structural diagram of the chip guard in this utility model;
[0017] Figure 6 This is a schematic diagram of the separation structure of the chip shield and the arc plate in this utility model;
[0018] Figure 7 This utility model Figure 5 A magnified schematic diagram of the partial structure at point A in the middle;
[0019] Figure 8 This utility model Figure 6 A magnified schematic diagram of the structure at point B in the middle.
[0020] In the diagram: 1. Lathe; 2. Chip guard; 3. Fixing plate; 4. Fixing block; 5. Connecting structure; 51. Hinge; 52. Stop pin; 53. Screw; 6. Handle; 7. Blower; 8. Pin; 9. Three-jaw chuck; 10. Air duct; 11. Inner hole; 12. Collection trough; 13. Limiting block; 14. Baffle; 15. Slide groove; 16. Arc plate. Detailed Implementation
[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 1-8 As shown, a milling device for milling grooves in the inner hole of a machine barrel includes a lathe 1 and a three-jaw chuck 9. An arc-shaped plate 16 is provided on the top of the lathe 1. Slide grooves 15 are provided on the left and right sides of the top of the arc-shaped plate 16. A chip baffle 2 is slidably connected inside the slide groove 15. A handle 6 is fixedly connected to the surface of the chip baffle 2. A fixing plate 3 is fixedly connected to the bottom of one side of the arc-shaped plate 16. The bottom of the fixing plate 3 is in contact with the top of the lathe 1. Fixing blocks 4 are provided on the left and right sides of the top of the back of the lathe 1. A connecting structure 5 is provided between the fixing plate 3 and the fixing blocks 4. A blower 7 is provided at the bottom of the rear side of the lathe 1. An air duct 10 is connected to the top of the blower 7. An inner hole 11 is provided inside the three-jaw chuck 9. The other end of the air duct 10 passes through the lathe 1 and is connected to the inner hole 11 of the three-jaw chuck 9.
[0023] The connecting structure 5 includes a hinge 51 set between the fixed plate 3 and the fixed block 4. The left and right sides of the top of the fixed block 4 are fixedly connected with stop pins 52. The semi-circular material of the top of the stop pin 52 is rubber. The top and rear sides of the fixed block 4 are threaded with several screws 53. The connecting structure 5 can support the fixed plate 3 and the chip shield 2 when they are not in use.
[0024] Both the chip shield 2 and the arc plate 16 are made of transparent acrylic sheets. The chip shield 2 can slide in the groove 15 inside the arc plate 16. With the chip shield 2 and the arc plate 16, not only can the operator observe the processing situation during the processing, but also the flying chips can prevent the operator from being injured.
[0025] A pin 8 is provided through the right side of the arc plate 16, and the other end of the pin 8 is used to cooperate with the inside of the chip shield 2. The pin 8 can be used to limit and fix the chip shield 2 and the arc plate 16 when they are closed together.
[0026] One end of the chip shield 2 is fixedly connected to a limiting block 13, and a baffle 14 is fixed on the inner side of the top of the arc plate 16. The baffle 14 works in conjunction with the limiting block 13. By setting the limiting block 13 and the baffle 14, the chip shield 2 can be limited and prevented from sliding out of the groove 15 inside the arc plate 16.
[0027] A collection groove 12 is provided at the bottom of the inner side of the lathe 1. The collection groove 12 can collect the debris generated during the machining process for subsequent cleaning.
[0028] It is worth noting that the technical features such as lathe 1 and blower 7 proposed in this technical solution should be regarded as prior art. The specific structure, working principle and possible control methods and spatial arrangement of these technical features can be selected using conventional methods in this field. This technical solution will not elaborate further.
[0029] Working principle: In use, the workpiece is first fixed on the three-jaw chuck 9 of the lathe 1. Then, the chip baffle 2 and the arc plate 16 are flipped forward so that the arc plate 16 is above the three-jaw chuck 9. Before machining the workpiece, the chip baffle 2 can be pulled downward by the handle 6, so that the chip baffle 2 slides along the slide groove 15 inside the arc plate 16 until the chip baffle 2 blocks the machining area. At this time, the limiting block 13 and the baffle 14 are in contact with each other, thereby limiting the chip baffle 2. Then, the lathe 1 and the blower 7 are started, and the milling cutter mills grooves on the inner wall of the workpiece. The chips generated during milling will enter the inner hole 11. At this time, the blower 7 can be started to make the chip baffle 2 move downward. The airflow generated blows through the duct 10 to the inner hole 11, thereby blowing the debris out of the inner hole 11 and into the collection tank 12 for collection. During the processing, the operator can observe the processing through the chip baffle 2. After the processing is completed, the chip baffle 2 is slid back to the starting position along the slide groove 15 inside the arc plate 16 by the handle 6. Then, the pin 8 is inserted into the arc plate 16 to limit the chip baffle 2. After that, the chip baffle 2 can be flipped by the hinge 51. After flipping, the stop pin 52 on the top of the fixing block 4 can support the fixing plate 3 and the chip baffle 2. Finally, the debris inside the collection tank 12 can be cleaned.
[0030] It should be noted that, in this document, 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 any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A milling device for milling grooves in the inner hole of a machine barrel, comprising a lathe (1) and a three-jaw chuck (9), characterized in that: The lathe (1) is provided with an arc plate (16) on the top. The left and right sides of the top of the arc plate (16) are provided with sliding grooves (15). The inside of the sliding grooves (15) is connected to a chip guard (2). The surface of the chip guard (2) is fixedly connected to a handle (6). The bottom of one side of the arc plate (16) is fixedly connected to a fixing plate (3). The left and right sides of the top of the back of the lathe (1) are provided with fixing blocks (4). The fixing plate (3) and the fixing blocks (4) are provided with a connecting structure (5). The bottom of the rear side of the lathe (1) is provided with a blower (7). The top of the blower (7) is connected to an air duct (10). The inside of the three-jaw chuck (9) is provided with an inner hole (11). The other end of the air duct (10) passes through the lathe (1) and is connected to the inner hole (11) of the three-jaw chuck (9).
2. A milling device for milling grooves in the inner hole of a machine barrel according to claim 1, characterized in that: The connection structure (5) includes a hinge (51) between the fixed plate (3) and the fixed block (4). The left and right sides of the top of the fixed block (4) are fixedly connected with stop pins (52), and the top and rear sides of the fixed block (4) are threaded with several screws (53).
3. A milling device for milling grooves in the inner hole of a machine barrel according to claim 1, characterized in that: The chip shield (2) and the arc plate (16) are both made of transparent acrylic sheets. The chip shield (2) can slide in the groove (15) inside the arc plate (16).
4. A milling device for milling grooves in the inner hole of a machine barrel according to claim 1, characterized in that: A pin (8) is provided through the right side of the arc plate (16), and the other end of the pin (8) is used in conjunction with the inside of the chip shield (2).
5. A milling device for milling grooves in the inner hole of a machine barrel according to claim 1, characterized in that: One end of the chip shield (2) is fixedly connected to a limiting block (13), and a baffle (14) is fixed on the inner side of the top of the arc plate (16). The baffle (14) is used in conjunction with the limiting block (13).
6. A milling device for milling grooves in the inner hole of a machine barrel according to claim 1, characterized in that: A collection groove (12) is provided at the bottom of the inner side of the lathe (1).