A multi-station high-speed drilling and milling device on a tool turret

By using a multi-station high-speed drilling and milling device on the turret, and utilizing the high-speed drilling and milling components of the electric spindle and the electric slip ring components, the problems of low efficiency and reduced accuracy in the machining of small drill bits or milling cutters by existing power turrets are solved, achieving high-efficiency and low-noise machining results.

CN224526007UActive Publication Date: 2026-07-21ZHEJIANG ZHONGZHIJINGGONG INTELLIGENT EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG ZHONGZHIJINGGONG INTELLIGENT EQUIP CO LTD
Filing Date
2025-07-15
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing power turrets have low machining efficiency when using micro drills or milling cutters smaller than 5mm, and the transmission components heat up when the speed exceeds 3000 revolutions per minute, affecting accuracy.

Method used

It adopts a multi-station high-speed drilling and milling device on the turret, including a high-speed drilling and milling assembly of electric spindle and an electric slip ring assembly, which can achieve a maximum speed of 24,000 rpm for the electric spindle. Combined with a constant torque electric spindle and a protective guide cable-threading cylinder, it prevents the wire from getting tangled and ensures stability and low noise.

Benefits of technology

It improves the machining efficiency of micro drills or milling cutters, maintains low noise at high speeds, and ensures machining accuracy and stability.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to a kind of multi-station high-speed drilling and milling device on tool turret.It solves the technical problems such as low efficiency of existing tool turret using micro tool processing, including tool turret body, the one end of tool turret body is provided with the rotary setting tool holder seat, tool holder seat is circumferentially provided with several processing stations, at least one processing station is installed with electric spindle high-speed drilling and milling assembly, electric spindle input line group is arranged in tool turret body, electric spindle input line group is connected with electric spindle output line group by the electric slip ring assembly located in tool holder seat, and electric spindle output line group is connected with the connection line group of electric spindle high-speed drilling and milling assembly respectively.Advantages are that electric spindle high-speed drilling and milling assembly can meet the high-speed processing under micro drilling and milling tool, improve processing efficiency, ensure processing effect, and can ensure low noise effect under high-speed rotation.Electric slip ring assembly is connected with electric spindle high-speed drilling and milling assembly, which can effectively prevent winding and other phenomena during operation, ensure stable operation.
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Description

Technical Field

[0001] This utility model belongs to the technical field of power turret equipment, specifically relating to a multi-station high-speed drilling and milling device on a turret. Background Technology

[0002] In the field of precision machining, the power turret, as a core functional component of CNC machine tools for multi-process composite machining, directly determines the processing efficiency, accuracy, and applicability of the equipment. With the increasing demand for miniaturized, high-precision parts in modern manufacturing, machining scenarios involving micro-drills or milling cutters with diameters below 5mm are becoming increasingly common. However, existing power turrets can only reach 6000 revolutions per minute when machining with micro-drills or milling cutters below 5mm, resulting in low processing efficiency; furthermore, existing power turrets cause the transmission components to overheat when machining at speeds above 3000 revolutions per minute, thus affecting machining accuracy. Summary of the Invention

[0003] The purpose of this invention is to address the above-mentioned problems by providing a multi-station high-speed drilling and milling device on a turret.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A multi-station high-speed drilling and milling device on a turret includes a turret body, one end of which has a rotatably mounted cutter head seat. The cutter head seat is circumferentially provided with several machining stations, and at least one machining station is equipped with an electric spindle high-speed drilling and milling assembly. An electric spindle input cable group is installed inside the turret body. The electric spindle input cable group is connected to the electric spindle output cable group through an electric slip ring assembly located inside the cutter head seat. The electric spindle output cable group is connected to the connecting cable group of the electric spindle high-speed drilling and milling assembly. By connecting the electric spindle high-speed drilling and milling assembly to the electric slip ring assembly, the electric spindle high-speed drilling and milling assembly can reach a maximum speed of 24,000 rpm, ensuring machining efficiency. Furthermore, the electric spindle high-speed drilling and milling assembly can maintain low noise under high-speed rotation.

[0005] In the aforementioned multi-station high-speed drilling and milling device on a turret, the electric spindle high-speed drilling and milling components are of several types and are respectively and correspondingly set on several processing stations, which facilitates the rapid setting of the electric spindle high-speed drilling and milling components on the processing stations and improves installation efficiency.

[0006] In the aforementioned multi-station high-speed drilling and milling device on a turret, the machining stations that do not have the electric spindle high-speed drilling and milling assembly installed are turning installation stations.

[0007] In the aforementioned multi-station high-speed drilling and milling device on a turret, the high-speed drilling and milling assembly of the electric spindle includes an electric spindle mounting base fixed to the machining station by a number of mounting bolts. The electric spindle mounting base is provided with an electric spindle body, and a drilling and milling cutter is mounted on the rotating end of the electric spindle body. The electric spindle mounting base facilitates the fixed installation of the electric spindle body on the machining station, and the drilling and milling cutter mounted on the rotating end can perform high-speed rotation machining through the electric spindle body, ensuring machining efficiency.

[0008] In the above-mentioned multi-station high-speed drilling and milling device on a turret, the electric spindle is a constant torque electric spindle. The electric spindle is fixedly installed in a fixing hole on the electric spindle mounting base, and the end of the electric spindle away from the rotating end passes through the machining station and extends to the inner circumferential side of the cutter head seat. The fixing hole has the same diameter as the electric spindle, and the fixing hole facilitates the quick positioning and installation of the electric spindle in the electric spindle mounting base, thereby improving the installation efficiency of the electric spindle.

[0009] In the aforementioned multi-station high-speed drilling and milling device on a turret, the drilling and milling tool can be either a drill bit or a milling cutter, and the connecting line group is connected to the end of the electric spindle away from the rotating end. Different tools can be selected according to requirements, and the electric spindle can be used for driving and machining, thereby improving machining efficiency and ensuring machining results.

[0010] In the above-mentioned multi-station high-speed drilling and milling device on a turret, a cable threading cylinder is provided on the inner circumferential side of the turret body and arranged along the axial direction of the turret body. The electric slip ring assembly is installed at the lower end of the cable threading cylinder. The electric spindle input cable group passes through the cable threading cylinder and one end extends to the outside of the turret body. The cable threading cylinder can play a protective and guiding role for the electric spindle input cable group.

[0011] In the above-mentioned multi-station high-speed drilling and milling device on a turret, the upper end of the threading cylinder extends to the end of the turret body away from the cutter head seat and is fixed to the turret body, and the lower end of the threading cylinder extends to the inner side of the cutter head seat and is rotatably connected to the cutter head seat.

[0012] In the aforementioned multi-station high-speed drilling and milling device on a turret, the electric slip ring assembly includes a fixed part, and a rotating part is coaxially rotatably connected to the lower end of the fixed part. The fixed part is installed in the mounting cylinder at the lower end of the cable threading cylinder. The electric spindle input cable group is connected to the upper end of the fixed part, and the electric spindle output cable group is connected to the lower end of the rotating part. The fixed part is fixed to the mounting cylinder on the outer circumference by several bolts to ensure connection stability. Furthermore, the rotating part prevents the electric spindle output cable group from tangling or other phenomena under high-speed rotation, thus ensuring operational stability.

[0013] In the aforementioned multi-station high-speed drilling and milling device on a turret, the electric spindle input line group, electric spindle output line group, and connecting line group all include power lines, control lines, and sensor lines.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] 1. The electric spindle high-speed drilling and milling assembly can meet the high-speed machining requirements of micro drilling and milling tools, improve machining efficiency, and ensure machining results.

[0016] 2. The electric spindle can maintain low noise during high-speed machining, improving the user experience.

[0017] 3. By connecting the electric slip ring assembly to the electric spindle high-speed drilling and milling assembly, it is possible to effectively prevent the circuit from getting tangled during operation and ensure operational stability. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 This is a structural cross-sectional view of the present invention.

[0020] Figure 3 This is an exploded view of the structure of the high-speed drilling and milling assembly of the electric spindle in this utility model.

[0021] In the diagram: turret body 1, electric spindle input cable group 11, electric spindle output cable group 12, cable guide cylinder 13, tool head holder 2, machining station 21, electric spindle high-speed drilling and milling assembly 3, connecting cable group 31, electric spindle mounting base 32, fixing hole 321, electric spindle body 33, rotating end 331, drilling and milling cutter 34, electric slip ring assembly 4, fixing part 41, rotating part 42, mounting cylinder 43. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0023] like Figure 1 , Figure 2As shown, this multi-station high-speed drilling and milling device on a turret includes a turret body 1. One end of the turret body 1 has a rotatably mounted cutter head seat 2. The cutter head seat 2 is circumferentially provided with several machining stations 21. At least one machining station 21 is equipped with an electric spindle high-speed drilling and milling assembly 3. An electric spindle input cable group 11 is installed inside the turret body 1. The electric spindle input cable group 11 is connected to the electric spindle output cable group 12 through an electric slip ring assembly 4 located inside the cutter head seat 2. The electric spindle output cable group 12 is connected to the connecting cable group 31 of the electric spindle high-speed drilling and milling assembly 3. By connecting the electric spindle high-speed drilling and milling assembly 3 to the electric slip ring assembly 4, the electric spindle high-speed drilling and milling assembly 3 can reach a maximum speed of 24,000 rpm, ensuring machining efficiency. Furthermore, the electric spindle high-speed drilling and milling assembly 3 can maintain low noise under high-speed rotation.

[0024] Specifically, there are several electric spindle high-speed drilling and milling components 3, which are respectively set on several machining stations 21, so as to facilitate the quick installation of electric spindle high-speed drilling and milling components 3 on machining stations 21 and improve installation efficiency.

[0025] Among them, some machining stations 21 that do not have the electric spindle high-speed drilling and milling assembly 3 installed are turning installation stations.

[0026] like Figure 1 , Figure 2 , Figure 3 As shown, the high-speed drilling and milling assembly 3 of the electric spindle includes an electric spindle mounting base 32 fixed to the machining station 21 by several mounting bolts. The electric spindle mounting base 32 is provided with an electric spindle body 33, and a drilling and milling cutter 34 is mounted on the rotating end 331 of the electric spindle body 33. The electric spindle mounting base 32 facilitates the fixed installation of the electric spindle body 33 on the machining station 21, and the drilling and milling cutter 34 is mounted on the rotating end 331 and can perform high-speed rotation machining through the electric spindle body 33, ensuring machining efficiency.

[0027] Furthermore, the electric spindle body 33 is a constant torque electric spindle. The electric spindle body 33 is fixedly installed in the fixing hole 321 on the electric spindle mounting base 32, and the end of the electric spindle body 33 away from the rotating end 331 passes through the machining station 21 and extends to the inner side of the tool holder 2. The fixing hole 321 has the same diameter as the electric spindle body 33, and the fixing hole 321 can facilitate the quick positioning of the electric spindle body 33 in the electric spindle mounting base 32, thereby improving the installation efficiency of the electric spindle body 33.

[0028] Among them, the drilling and milling cutter 34 can be any type of drill bit or milling cutter, and the connecting wire group 31 is connected to the end of the electric spindle 33 away from the rotating end 331. Different tools can be selected according to the needs, and the electric spindle 33 can be used for driving machining, thereby improving machining efficiency and ensuring machining effect.

[0029] Combination Figure 1, Figure 2 As shown, the turret body 1 is provided with a cable guide tube 13 arranged along the axial direction of the turret body 1 on the inner side of the circumference. The electric slip ring assembly 4 is installed at the lower end of the cable guide tube 13. The electric spindle input cable group 11 passes through the cable guide tube 13 and one end extends to the outside of the turret body 1. The cable guide tube 13 can play a protective and guiding role for the electric spindle input cable group 11.

[0030] The upper end of the threading cylinder 13 extends to the end of the turret body 1 away from the cutter head seat 2 and is fixed to the turret body 1, while the lower end of the threading cylinder 13 extends to the inner side of the cutter head seat 2 and is rotatably connected to the cutter head seat 2.

[0031] Specifically, the electric slip ring assembly 4 includes a fixing part 41, and a rotating part 42 is coaxially rotatably connected to the lower end of the fixing part 41. The fixing part 41 is installed in the mounting cylinder 43 at the lower end of the wire threading cylinder 13. The electric spindle input wire group 11 is connected to the upper end of the fixing part 41 and the electric spindle output wire group 12 is connected to the lower end of the rotating part 42. The fixing part 41 is fixed to the mounting cylinder 43 on the outer periphery by a number of bolts to ensure connection stability. The rotating part 42 can prevent the electric spindle output wire group 12 from winding or other phenomena under high-speed rotation, thus ensuring operational stability.

[0032] Combination Figure 2 As shown, the electric spindle input line group 11, the electric spindle output line group 12, and the connecting line group 31 all include power lines, control lines, and sensor lines.

[0033] The principle of this embodiment is that the drilling and milling tool 34 can perform machining at high speed through the electric spindle high-speed drilling and milling assembly 3, thereby improving machining efficiency. Furthermore, the electric spindle high-speed drilling and milling assembly 3 is driven and connected through the electric slip ring assembly 4, which can effectively prevent phenomena such as entanglement of the circuit during rotation and ensure machining stability.

[0034] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0035] Although this document frequently uses terms such as turret body 1, electric spindle input cable group 11, electric spindle output cable group 12, cable guide cylinder 13, tool holder 2, machining station 21, electric spindle high-speed drilling and milling assembly 3, connecting cable group 31, electric spindle mounting base 32, mounting hole 321, electric spindle body 33, rotating end 331, drilling and milling cutter 34, electric slip ring assembly 4, fixing part 41, rotating part 42, and mounting cylinder 43, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A multi-station high-speed drilling and milling device on a turret, comprising a turret body (1), wherein one end of the turret body (1) has a rotatably mounted cutter head seat (2), and the cutter head seat (2) is provided with a plurality of machining stations (21) circumferentially, characterized in that, At least one machining station (21) is equipped with an electric spindle high-speed drilling and milling assembly (3). The turret body (1) is provided with an electric spindle input line group (11). The electric spindle input line group (11) is connected to the electric spindle output line group (12) through an electric slip ring assembly (4) located in the cutter head seat (2). The electric spindle output line group (12) is connected to the connecting line group (31) of the electric spindle high-speed drilling and milling assembly (3).

2. The multi-station high-speed drilling and milling device on a turret according to claim 1, characterized in that, The electric spindle high-speed drilling and milling assembly (3) is a number of units and is respectively set on a number of machining stations (21).

3. The multi-station high-speed drilling and milling device on a turret according to claim 1, characterized in that, Among several machining stations (21), the machining station (21) without the electric spindle high-speed drilling and milling assembly (3) is the turning installation station.

4. A multi-station high-speed drilling and milling device on a turret according to claim 1, 2, or 3, characterized in that, The electric spindle high-speed drilling and milling assembly (3) includes an electric spindle mounting base (32) fixed to the machining station (21) by a number of mounting bolts. The electric spindle mounting base (32) is provided with an electric spindle body (33), and a drilling and milling tool (34) is installed at the rotating end (331) of the electric spindle body (33).

5. A multi-station high-speed drilling and milling device on a turret according to claim 4, characterized in that, The electric spindle body (33) is a constant torque electric spindle. The electric spindle body (33) is fixedly installed in the fixing hole (321) on the electric spindle fixing seat (32), and the end of the electric spindle body (33) away from the rotating end (331) passes through the machining station (21) and extends to the inner side of the cutter head seat (2).

6. A multi-station high-speed drilling and milling device on a turret according to claim 4, characterized in that, The drilling and milling cutter (34) is either a drill bit or a milling cutter, and the connecting wire group (31) is connected to the end of the electric spindle body (33) away from the rotating end (331).

7. A multi-station high-speed drilling and milling device on a turret according to claim 1, characterized in that, The turret body (1) is provided with a cable threading cylinder (13) arranged along the axial direction of the turret body (1) on its inner circumference. The electric slip ring assembly (4) is installed at the lower end of the cable threading cylinder (13). The electric spindle input cable group (11) passes through the cable threading cylinder (13) and one end extends to the outside of the turret body (1).

8. A multi-station high-speed drilling and milling device on a turret according to claim 7, characterized in that, The upper end of the threading cylinder (13) extends to the end of the turret body (1) away from the cutter head seat (2) and is fixed to the turret body (1). The lower end of the threading cylinder (13) extends to the inner side of the cutter head seat (2) and is rotatably connected to the cutter head seat (2).

9. A multi-station high-speed drilling and milling device on a turret according to claim 7, characterized in that, The electric slip ring assembly (4) includes a fixing part (41), and a rotating part (42) is coaxially rotatably connected to the lower end of the fixing part (41). The fixing part (41) is installed in the mounting cylinder (43) at the lower end of the wire threading cylinder (13). The electric spindle input wire group (11) is connected to the upper end of the fixing part (41), and the electric spindle output wire group (12) is connected to the lower end of the rotating part (42).

10. A multi-station high-speed drilling and milling device on a turret according to claim 1, characterized in that, The electric spindle input line group (11), electric spindle output line group (12), and connecting line group (31) all include power lines, control lines, and sensor lines.