Structure of tool changing spindle of turning and milling combined machining center

By designing the tool changer spindle structure of the milling-turning machining center, the rotation of the worm gear and worm wheel is achieved through the cooperation of guide bars and guide grooves, which drives the tool position to change. The rotation of the connecting spindle head is used to control the tool rotation, which solves the problem of insufficient tool changing efficiency and accuracy in the existing technology and realizes fast and accurate tool changing.

CN223903475UActive Publication Date: 2026-02-13SHANDONG PRECION GROUP
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Patent Information

Application Number
CN202520572526.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-29
Publication Date
2026-02-13
Estimated Expiration
2035-03-29

AI Technical Summary

Technical Problem

Milling and turning machining centers require rapid and precise tool changes on the same workpiece, and existing technologies struggle to achieve efficient tool changing and control.

Method used

A tool changer spindle structure for a mill-turn machining center was designed, including components such as a feed seat, mounting shaft, swivel ring, rotating sleeve, worm gear, bracket, worm, and motor. Through the cooperation of guide bars and guide grooves, the rotation of the worm and worm gear is realized, which drives the tool position change. The precise rotation of the tool is controlled by the rotation of the connecting shaft head.

Benefits of technology

It enables rapid tool changing and precise control in mill-turn machining centers, improving the efficiency and accuracy of tool changing and meeting the needs of high-precision machining.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of turning and milling tool changing, in particular to a structure of a tool changing spindle of a turning and milling combined machining center, which comprises a feeding seat and a mounting shaft. A mounting shaft is arranged on one side of the feeding base, and a mounting disc is fixed to one end of the mounting shaft through a bolt. A rotating sleeve is arranged on one side of the rotating ring, the rotating ring is connected to the outer wall of the mounting disc in a sleeving mode in a clearance fit rotating mode, and the rotating sleeve is connected to the outer wall of the mounting shaft in a sleeving mode through a bearing. The worm gear is connected to the outer wall of the rotating sleeve in a sleeving manner; a support is arranged at the upper end of one side of the feeding base, and the two ends of the worm are installed on the inner wall of the support through bearings. By improving the structure of the turning and milling combined machining center tool changing main shaft, the turning and milling combined machining center tool changing main shaft has the advantages of being reasonable in structural design, capable of changing tools rapidly and capable of accurately controlling rotation of the changed tools, and therefore the problems and defects in the prior art and equipment are effectively solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lathe -milling tool changing technical field, more specifically, especially lathe -milling composite machining center tool changing spindle's structure. BACKGROUND

[0002] Lathe -milling composite machining center is the place of lathe and milling machine one and processes. Lathe -milling is the synthetic movement of milling cutter rotation and workpiece rotation to realize the cutting processing of workpiece, makes workpiece in shape precision, position precision, the integrity of machined surface reach the advanced cutting processing method of use requirement in many aspects. Lathe -milling composite processing is not simply combines turning and milling two processing means to a machine tool, but utilizes lathe -milling synthetic movement to complete the processing of various surfaces, is a new cutting theory and cutting technology under the condition that the numerical control technology obtains greater development in today.

[0003] Lathe -milling composite machining center needs to use multiple different cutters on the same workpiece, not only uses turning tool when turning, but also uses the cutter of milling workpiece side surface and end surface, needs accurate and rapid tool changing and controls the rotation of cutter.

[0004] Therefore, the existing problems are researched and improved, the lathe -milling composite machining center tool changing spindle's structure is provided, which aims to solve the problems and improve the practical value. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing lathe -milling composite machining center tool changing spindle's structure to solve the problems and deficiencies in the above background art.

[0006] To achieve the above object, the utility model provides lathe -milling composite machining center tool changing spindle's structure, and the following specific technical means is achieved:

[0007] The structure of the tool changing spindle of the turning-milling combined machining center comprises a feeding seat, a mounting shaft, a mounting disc, a rotating ring, a rotating sleeve, a worm wheel, a support, a worm, a first motor, a guide strip, a guide groove, a containing groove, a first mounting hole, a second motor, a connecting shaft, a first connecting shaft head, a second mounting hole, a second connecting shaft head, a first tool mounting sleeve, a tool, a mounting shell, a third mounting hole, a third connecting shaft head, a first bevel gear, a second tool mounting sleeve and a second bevel gear.

[0008] As a further optimization of the technical scheme, the rotating ring and the rotating sleeve are rotatably connected to the outer walls of the mounting disc and the mounting shaft in a sleeved manner.

[0009] As a further optimization of the technical scheme, the guide strip is annular and the guide groove is an annular groove for accommodating the guide strip.

[0010] As a further optimization of the technical solution, the utility model discloses a structure of tool changing spindle of turning and milling combined machining center, the outer wall of first connecting shaft head is equipped with strip protrusion that coincides with guide strip, and the outer wall of second connecting shaft head and third connecting shaft head is equipped with strip groove that coincides with guide groove.

[0011] As a further optimization of the technical solution, the utility model discloses a structure of tool changing spindle of turning and milling combined machining center, the outer wall of first connecting shaft head is equipped with strip protrusion that coincides with guide strip, and the outer wall of second connecting shaft head and third connecting shaft head is equipped with strip groove that coincides with guide groove.

[0012] Due to the use of the above technical scheme, the utility model has the following advantages compared with the prior art:

[0013] 1, the utility model rotation connects in the outer wall of mounting disc and mounting shaft with the rotating ring through the sleeve joint mode, the guide strip is annular strip protrusion, and the guide groove is the setting for containing the annular groove of guide strip, control first motor can make worm rotation, can drive worm gear rotation, can change tool position.

[0014] 2, the utility model is equipped with strip protrusion that coincides with guide strip on the outer wall of first connecting shaft head, and the outer wall of second connecting shaft head and third connecting shaft head is equipped with strip groove that coincides with guide groove, and the guide groove is slidably connected on the inner wall of first connecting shaft head through the plug-in mode with second connecting shaft head and third connecting shaft head, when second connecting shaft head or third connecting shaft head rotates to first connecting shaft head, second connecting shaft head and third connecting shaft head and first connecting shaft head are connected, control second motor can make first connecting shaft head drive second connecting shaft head or third connecting shaft head rotation, control corresponding tool rotation work.

[0015] 3, the utility model discloses the structure of tool changing spindle of turning and milling combined machining center, has the advantages such as reasonable structure design, can quickly change tool, can accurately control the rotation of changing tool, thereby effectively solve the problems and deficiencies in prior art and equipment. ACCURACY

[0016] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments illustrated in the drawings are provided to explain embodiments of the present application and are not meant to limit the present application.

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the explosion structure schematic diagram of the utility model;

[0019] Figure 3 It is the local section structure schematic diagram of the utility model;

[0020] Figure 4 It is a partial sectional structure schematic view of the utility model;

[0021] Figure 5 It is a partial sectional structure schematic view of the utility model;

[0022] Figure 6 It is a partial structure schematic view of the utility model;

[0023] Figure 7 It is a partial structure schematic view of the utility model.

[0024] In the figure: feed seat 1, installation shaft 2, installation disc 3, rotating ring 4, rotating sleeve 5, worm wheel 6, support 7, worm 8, first motor 9, guide strip 10, guide slot 11, containing groove 12, first installation hole 13, second motor 14, connecting shaft 15, first link axle head 16, second installation hole 17, second link axle head 18, first cutter installation sleeve 19, cutter 20, installation shell 21, third installation hole 22, third link axle head 23, first bevel gear 24, second cutter installation sleeve 25, second bevel gear 26. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments of the utility model.

[0026] Please see Figures 1 to 7 The utility model provides the concrete technical implementation scheme of the structure of the tool changing main shaft of the turning and milling combined machining center:

[0027] The structure of the tool changer spindle of a mill-turn machining center includes: feed seat 1, mounting shaft 2, mounting plate 3, swivel ring 4, rotating sleeve 5, worm gear 6, bracket 7, worm 8, first motor 9, guide bar 10, guide groove 11, receiving groove 12, first mounting hole 13, second motor 14, connecting shaft 15, first connecting shaft head 16, second mounting hole 17, second connecting shaft head 18, first tool mounting sleeve 19, tool 20, mounting shell 21, third mounting hole 22, third connecting shaft head 23, first bevel gear 24, second tool mounting sleeve 25, second bevel gear 26; feed seat 1 One side of the rotating ring 4 is provided with a mounting shaft 2, and one end of the mounting shaft 2 is bolted to a mounting plate 3; one side of the rotating ring 4 is provided with a rotating sleeve 5, and the rotating ring 4 is sleeved and connected to the outer wall of the mounting plate 3 by a clearance fit rotational method, and the rotating sleeve 5 is sleeved and connected to the outer wall of the mounting shaft 2 by a bearing; the rotating ring 4 and the rotating sleeve 5 are rotatably connected to the outer walls of the mounting plate 3 and the mounting shaft 2 by a sleeve connection; the guide bar 10 is an annular strip-shaped protrusion, and the guide groove 11 is an annular groove for accommodating the guide bar 10. Controlling the first motor 9 can make the worm 8 rotate, which can drive the worm wheel 6 to rotate, and the tool position can be changed.

[0028] The worm gear 6 is sleeved and connected to the outer wall of the rotating sleeve 5; a bracket 7 is provided at the upper end of one side of the feed seat 1, and the two ends of the worm 8 are mounted on the inner wall of the bracket 7 through bearings; the first motor 9 is bolted to the outer wall of the bracket 7, and the output end of the first motor 9 is connected to the worm 8 through a coupling, and the worm 8 meshes with the worm gear 6; a guide strip 10 is provided on the outer wall of the mounting plate 3, and a guide groove 11 is provided on the inner wall of the rotating ring 4, and the guide strip 10 is inserted into the inner wall of the guide groove 11 by a clearance fit rotational method; a receiving groove 12 is provided on the outer wall of the mounting plate 3, and a first mounting hole 13 is provided on the inner wall of the receiving groove 12; the second motor 14 is bolted to the inner wall of the receiving groove 12, and the connecting shaft 15 is mounted on the inner wall of the first mounting hole 13 through bearings, and the output end of the second motor 14 is connected to the connecting shaft 15 through a coupling. The first connecting shaft head 16 is mounted on the inner wall of the mounting plate 3 via a bearing, and is bolted to the connecting shaft 15. The outer wall of the first connecting shaft head 16 is provided with a strip-shaped protrusion that matches the guide strip 10, and the outer walls of the second connecting shaft head 18 and the third connecting shaft head 23 are provided with strip-shaped grooves that match the guide groove 11. The guide groove 11 is slidably connected to the inner wall of the first connecting shaft head 16 by a plug-in method. When the second connecting shaft head 18 or the third connecting shaft head 23 rotates to the position of the first connecting shaft head 16, the second connecting shaft head 18, the third connecting shaft head 23 and the first connecting shaft head 16 are connected. Controlling the second motor 14 can cause the first connecting shaft head 16 to drive the second connecting shaft head 18 or the third connecting shaft head 23 to rotate, thereby controlling the corresponding tool 20 to rotate and work.

[0029] The inner wall of the rotating ring 4 is provided with a second mounting hole 17, and the second connecting shaft head 18 is mounted on the inner wall of the second mounting hole 17 through a bearing; the first tool mounting sleeve 19 is mounted on the inner wall of the rotating ring 4 through a bearing, and the first tool mounting sleeve 19 is fixedly connected with the second connecting shaft head 18 through a bolt, and the tool 20 is fixedly mounted on the inner wall of the first tool mounting sleeve 19; the outer wall of the rotating ring 4 is provided with a mounting shell 21, the inner wall of the rotating ring 4 is provided with a third mounting hole 22, and the third mounting hole 22 is in communication with the inside of the mounting shell 21; the third connecting shaft head 23 is mounted on the inner wall of the third mounting hole 22 through a bearing, and the first bevel gear 24 is connected with the outer wall of the third connecting shaft head 23 in a sleeved manner; the second tool mounting sleeve 25 is mounted on the inner wall of the mounting shell 21 through a bearing, the outer wall of the second tool mounting sleeve 25 is connected with the second bevel gear 26 in a sleeved manner, and the first bevel gear 24 is engaged with the second bevel gear 26.

[0030] The specific implementation steps are as follows:

[0031] When the tool 20 needs to be called, the first motor 9 can be controlled to rotate the worm 8, which can drive the worm wheel 6 to rotate, so as to change the position of the tool. When the second connecting shaft head 18 or the third connecting shaft head 23 rotates to the first connecting shaft head 16, the second connecting shaft head 18 and the third connecting shaft head 23 are connected with the first connecting shaft head 16, the second motor 14 is controlled to drive the first connecting shaft head 16 to rotate the second connecting shaft head 18 or the third connecting shaft head 23, and the corresponding tool 20 is controlled to rotate and work. When the second connecting shaft head 18 rotates, the tool 20 can mill the side surface of the workpiece, and when the third connecting shaft head 23 rotates, the tool 20 can mill the end surface of the workpiece.

[0032] In summary, the structure of the tool changing spindle of the turning-milling combined machining center, the rotating ring and the rotating sleeve are connected in a sleeved manner on the outer walls of the mounting disc and the mounting shaft; the guide strip is an annular strip-shaped protrusion, the guide groove is an annular groove for accommodating the guide strip, the first motor is controlled to rotate the worm, which can drive the worm wheel to rotate, so as to change the position of the tool; the outer wall of the first connecting shaft head is provided with a strip-shaped protrusion matched with the guide strip, and the outer walls of the second connecting shaft head and the third connecting shaft head are provided with strip-shaped grooves matched with the guide groove; the guide groove, the second connecting shaft head and the third connecting shaft head are connected in a sliding manner on the inner wall of the first connecting shaft head. When the second connecting shaft head or the third connecting shaft head rotates to the first connecting shaft head, the second connecting shaft head and the third connecting shaft head are connected with the first connecting shaft head, the second motor is controlled to drive the first connecting shaft head to rotate the second connecting shaft head or the third connecting shaft head, and the corresponding tool is controlled to rotate and work. Through the improvement of the structure of the tool changing spindle of the turning-milling combined machining center, the structure design is reasonable, the tool can be quickly changed, and the rotation of the tool can be accurately controlled, thereby effectively solving the problems and deficiencies in the prior art and equipment.

[0033] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A structure of a tool changing spindle of a turning-milling combined machining center, comprising: Feed seat (1), installation shaft (2), installation disc (3), rotating ring (4), rotating sleeve (5), worm wheel (6), support (7), worm (8), first motor (9), guide bar (10), guide groove (11), containing groove (12), first mounting hole (13), second motor (14), connecting shaft (15), first connecting shaft head (16), second mounting hole (17), second connecting shaft head (18), first tool mounting sleeve (19), tool (20), installation shell (21), third mounting hole (22), third connecting shaft head (23), first bevel gear (24), second tool mounting sleeve (25), second bevel gear (26), characterized by: the side of the feed seat (1) is provided with the installation shaft (2), and one end of the installation shaft (2) is bolted with the installation disc (3); one side of the rotating ring (4) is provided with the rotating sleeve (5), and the rotating ring (4) is connected in a gap fit rotating manner on the outer wall of the installation disc (3), and the rotating sleeve (5) is connected on the outer wall of the installation shaft (2) through a bearing; the worm wheel (6) is connected on the outer wall of the rotating sleeve (5); the upper end of the side of the feed seat (1) is provided with the support (7), and the both ends of the worm (8) are installed on the inner wall of the support (7) through bearings; the first motor (9) is bolted on the outer wall of the support (7), and the output end of the first motor (9) is connected with the worm (8) through a coupling, and the worm (8) is engaged with the worm wheel (6); the outer wall of the installation disc (3) is provided with the guide bar (10), the inner wall of the rotating ring (4) is provided with the guide groove (11), and the guide bar (10) is connected in a gap fit rotating manner on the inner wall of the guide groove (11); the outer wall of the installation disc (3) is provided with the containing groove (12), and the inner wall of the containing groove (12) is provided with the first mounting hole (13); the second motor (14) is bolted on the inner wall of the containing groove (12), and the connecting shaft (15) is installed on the inner wall of the first mounting hole (13) through a bearing, and the output end of the second motor (14) is connected with the connecting shaft (15) through a coupling; the first connecting shaft head (16) is installed on the inner wall of the installation disc (3) through a bearing, and the first connecting shaft head (16) is bolted and connected with the connecting shaft (15); the inner wall of the rotating ring (4) is provided with the second mounting hole (17), and the second connecting shaft head (18) is installed on the inner wall of the second mounting hole (17) through a bearing; the first tool mounting sleeve (19) is installed on the inner wall of the rotating ring (4) through a bearing, and the first tool mounting sleeve (19) is bolted and connected with the second connecting shaft head (18), and the tool (20) is fixedly installed on the inner wall of the first tool mounting sleeve (19); the outer wall of the rotating ring (4) is provided with the installation shell (21), the inner wall of the rotating ring (4) is provided with the third mounting hole (22), and the third mounting hole (22) is communicated with the inside of the installation shell (21).The third adapter shaft head (23) is mounted on the inner wall of the third mounting hole (22) through a bearing, and the first bevel gear (24) is connected on the outer wall of the third adapter shaft head (23) in a sleeved manner; the second tool mounting sleeve (25) is mounted on the inner wall of the mounting shell (21) through a bearing, and the outer wall of the second tool mounting sleeve (25) is connected with the second bevel gear (26) in a sleeved manner, and the first bevel gear (24) is engaged with the second bevel gear (26).

2. The tool changing spindle structure of a turning and milling machining center according to claim 1, characterized in that: The swivel ring (4) and the swivel sleeve (5) are rotatably connected on the outer wall of the mounting disc (3) and the mounting shaft (2) by means of sleeve connection.

3. The tool changing spindle structure of a turning and milling machining center according to claim 1, characterized in that: The guide strip (10) is an annular strip-shaped protrusion, and the guide groove (11) is an annular groove for accommodating the guide strip (10).

4. The tool changing spindle structure of a turning and milling machining center according to claim 1, characterized in that: The outer wall of the first connecting shaft head (16) is provided with a strip-shaped protrusion matched with the guide strip (10), and the outer wall of the second connecting shaft head (18) and the third connecting shaft head (23) is provided with a strip-shaped groove matched with the guide groove (11).

5. The tool changing spindle structure of a turning and milling machining center according to claim 1, characterized in that: The guide groove (11) and the second connecting shaft head (18) and the third connecting shaft head (23) are slidably connected on the inner wall of the first connecting shaft head (16) by means of plug-in connection.