Anti-unbalance loading type disc-in-disc tool magazine of machining center

Abstract

The invention discloses a machining center anti-unbalance-loading type disc-in-disc tool magazine, and belongs to the technical field of tool magazines, the machining center anti-unbalance-loading type disc-in-disc tool magazine comprises a circular bearing disc, a bearing disc driving device, a tool disc and a tool disc driving device, the bearing disc driving device drives the circular bearing disc to rotate through a main shaft, and a plurality of tool disc mounting grooves are distributed in the circular bearing disc along the periphery of the circular bearing disc; a rotating shaft is installed in the cutter disc installation groove, the cutter disc is located in the cutter disc installation groove and installed on the rotating shaft, the cutter disc driving device drives the cutter disc to rotate through the rotating shaft, a plurality of cutter containing cups are distributed on the periphery of the cutter disc and used for bearing cutters, and the cutter disc driving device is located in the circular bearing disc. The tool magazine is improved, the cutterhead driving device is installed in the circular bearing disc, and the cutterhead is horizontally installed in the cutterhead installation groove of the circular bearing disc, so that the acting force of the cutters and the cutterhead driving device on the circular bearing disc is kept balanced, and the unbalance loading problem of the tool magazine is solved; and the structure of the tool magazine is more compact, and the number of installed tools is larger.

Description

Technical Field

[0001] The present invention relates to the technical field of tool magazines, in particular to a tool magazine for a machining center. Background Art

[0002] CNC machine tools are short for Computer numerical control machine tools, which are automated machine tools equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, express them in coded numbers, and input them into the CNC device through information carriers. After calculation and processing, the CNC device sends various control signals to control the movement of the machine tool and automatically process the parts according to the shape and size required by the drawing. The machining center is a highly automated multifunctional CNC machine tool with a tool magazine and an automatic tool changer.

[0003] In the current disc-type tool magazine in the machining center, the tools are installed on one side of the disc, which causes serious eccentric loading. Long-term operation will affect the displacement accuracy of the tools. In addition, the structure of the existing disc-type tool magazine is not compact enough and the number of tools is limited. Summary of the invention

[0004] The object of the present invention is to provide a disc-in-disc tool magazine for a machining center with an anti-eccentric loading function, which solves the problem of eccentric loading of the tool magazine.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: A disc-in-disc tool magazine with anti-biased loading for a machining center comprises a circular carrier disc, a carrier disc drive device, a cutter disc and a cutter disc drive device, wherein the carrier disc drive device drives the circular carrier disc to rotate via a main shaft, the circular carrier disc is provided with a plurality of cutter disc mounting grooves distributed along its periphery, a rotating shaft is installed in the cutter disc mounting groove, the cutter disc is located in the cutter disc mounting groove and is installed on the rotating shaft, the cutter disc drive device drives the cutter disc to rotate via the rotating shaft, a plurality of tool holding cups are distributed around the cutter disc, the tool holding cups are used to hold tools, and the cutter disc drive device is located inside the circular carrier disc.

[0006] Furthermore, it also includes a tool magazine cover, the main shaft is installed in the tool magazine cover, and the circular carrier plate is located in the tool magazine cover and installed on the main shaft.

[0007] Furthermore, a tool storage and access opening is provided on the side wall of the tool magazine cover.

[0008] Furthermore, the circular supporting plate includes a sleeve, a left plate body and a right plate body, the left plate body is installed on the left end of the sleeve, the right plate body is installed on the right end of the sleeve, both the left plate body and the right plate body are perpendicular to the sleeve, and the cutter disc drive device is installed between the left plate body and the right plate body; the sleeve is fixedly installed on the main shaft.

[0009] Furthermore, a connecting plate is provided between the left disc body and the right disc body, and the connecting plate is located on both sides of the cutter disc installation groove, and both ends of the rotating shaft are installed on the connecting plates on both sides of the cutter disc installation groove through bearings.

[0010] Furthermore, it also includes a first displacement encoder and a first locking device, wherein the first displacement encoder is used to detect and control the rotation angle of the circular carrier plate, and the first locking device is used to lock or fix the main shaft to limit the rotation of the circular carrier plate.

[0011] Furthermore, it also includes a second displacement encoder and a second locking device, wherein the second displacement encoder is used to detect and control the rotation angle of the cutter disc, and the second locking device is used to lock or fix the rotating shaft to limit the rotation of the cutter disc.

[0012] Furthermore, the carrier drive device adopts a servo motor.

[0013] Furthermore, the cutter disc driving device adopts a servo motor.

[0014] Furthermore, the tool magazine cover is installed on a bracket.

[0015] The beneficial effects of the present invention are: The present application improves the tool magazine by installing a cutter disc drive device inside a circular carrier disc and horizontally installing the cutter disc in a cutter disc mounting groove of the circular carrier disc, thereby keeping the forces exerted by the tool and the cutter disc drive device on the circular carrier disc balanced, thereby solving the problem of overloading of the tool magazine; and making the structure of the tool magazine more compact, allowing for more tools to be installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described with the aid of the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention. A person skilled in the art can obtain other accompanying drawings according to the following drawings without creative work: Figure 1 It is a structural schematic diagram of the present invention; Figure 2 for Figure 1 The stereogram shown; Figure 3 for Figure 1 A schematic diagram of the structure of the circular carrier plate shown; Figure 4 for Figure 3 The stereogram shown; Figure 5 for Figure 1 The schematic diagram of the structure of the cutter disc drive device, the cutter disc and the rotating shaft shown; Figure 6 for Figure 5Schematic diagram of the structure of the cutter disc shown.

[0017] In the figure: 1. circular carrier plate; 2. carrier plate drive device; 3. cutter disc; 4. cutter disc drive device; 5. spindle; 6. cutter disc mounting groove; 7. rotating shaft; 8. tool holding cup; 9. tool magazine cover; 10. tool storage and access port; 11. bushing; 12. left disc body; 13. right disc body; 14. connecting plate; 15. second displacement encoder; 16. second locking device. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper surface", "lower surface", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "forward", "reverse", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0020] like Figure 1 , 2 As shown in Figures 3, 4, 5 and 6, a disc-in-disc tool magazine for a machining center with an anti-biased load type includes a circular carrier disc 1, a carrier disc drive device 2, a cutter disc 3 and a cutter disc drive device 4. The carrier disc drive device 2 drives the circular carrier disc 1 to rotate via a spindle 5. The circular carrier disc 1 is provided with a plurality of cutter disc mounting grooves 6 along its periphery. A rotating shaft 7 is installed in the cutter disc mounting groove 6. The cutter disc 3 is located in the cutter disc mounting groove 6 and is installed on the rotating shaft 7. The cutter disc drive device 4 drives the cutter disc 3 to rotate via the rotating shaft 7. A plurality of tool holding cups 8 are distributed around the cutter disc 3. The tool holding cups 8 are used to hold tools. The cutter disc drive device 4 is located in the circular carrier disc 1. The carrier disc drive device 2 and the cutter disc drive device 4 both use servo motors.

[0021] A tool magazine in a disk for machining center with an anti-eccentric load type includes a tool magazine cover 9, the spindle 5 is installed in the tool magazine cover 9, and the circular carrier plate 1 is located in the tool magazine cover 9 and installed on the spindle 5. A tool access opening 10 is provided on the side wall of the tool magazine cover 9. The tool magazine cover 9 is installed on a bracket.

[0022] The circular carrier disc 1 comprises a sleeve 11, a left disc body 12 and a right disc body 13, wherein the left disc body 12 is mounted on the left end of the sleeve 11, and the right disc body 13 is mounted on the right end of the sleeve 11, and both the left disc body 12 and the right disc body 13 are perpendicular to the sleeve 11, and the cutter disc drive device 4 is mounted between the left disc body 12 and the right disc body 13. The sleeve 11 is fixedly mounted on the main shaft 5.

[0023] A connecting plate 14 is provided between the left disc body 12 and the right disc body 13 , and the connecting plate 14 is located on both sides of the cutter disc installation groove 6 , and both ends of the rotating shaft 7 are installed on the connecting plates 14 on both sides of the cutter disc installation groove through bearings.

[0024] A disc-in-disc tool magazine for an anti-eccentric load type machining center also includes a first displacement encoder and a first locking device. The first displacement encoder is used to detect and control the rotation angle of a circular carrier plate, and the first locking device is used to lock or fix the main shaft to limit the rotation of the circular carrier plate.

[0025] like Figure 5 As shown, it also includes a second displacement encoder 15 and a second locking device 16. The second displacement encoder 15 is used to detect and control the rotation angle of the cutter disc 3, and the second locking device 16 is used to lock or fix the rotating shaft 7 to limit the rotation of the cutter disc 3.

[0026] Working principle: When changing the tool, the carrier drive device 2 drives the circular carrier 1 to rotate the required tool disc to the tool access port 10, and then the tool disc drive device 4 aligns the required tool on the tool disc with the tool access port 10, and uses the second displacement encoder 15 to improve the displacement accuracy of the tool disc rotation. After the tool disc reaches the predetermined position, the robot arm reaches into the tool access port to take out the tool.

[0027] In addition, those skilled in the art may combine and combine the different embodiments or examples and the features of the different embodiments or examples described in this specification without contradiction. Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A tool magazine in a disc with an anti-eccentric load type for a machining center, characterized by: It includes a circular carrier plate, a carrier plate driving device, a cutter disc and a cutter disc driving device, wherein the carrier plate driving device drives the circular carrier plate to rotate via a main shaft, the circular carrier plate is provided with a plurality of cutter disc mounting grooves along its periphery, a rotating shaft is installed in the cutter disc mounting groove, the cutter disc is located in the cutter disc mounting groove and is installed on the rotating shaft, the cutter disc driving device drives the cutter disc to rotate via the rotating shaft, a plurality of tool holding cups are distributed around the cutter disc, the tool holding cups are used to hold tools, and the cutter disc driving device is located inside the circular carrier plate.

2. The anti-eccentric load type disk-in-disk tool magazine for a machining center according to claim 1, characterized in that: It also includes a tool magazine cover, the main shaft is installed in the tool magazine cover, and the circular carrier plate is located in the tool magazine cover and installed on the main shaft.

3. The anti-eccentric load type disk-in-disk tool magazine for a machining center according to claim 2, characterized in that: A tool storage and access opening is arranged on the side wall of the tool magazine cover.

4. The anti-eccentric load type disk-in-disk tool magazine for a machining center according to claim 1, characterized in that: The circular carrier plate includes a sleeve, a left plate body and a right plate body. The left plate body is installed on the left end of the sleeve, and the right plate body is installed on the right end of the sleeve. Both the left plate body and the right plate body are perpendicular to the sleeve. The cutter disc drive device is installed between the left plate body and the right plate body. The sleeve is fixedly installed on the main shaft.

5. The anti-eccentric load type disk-in-disk tool magazine for a machining center according to claim 4, characterized in that: A connecting plate is provided between the left disc body and the right disc body, and the connecting plate is located at both sides of the cutter disc installation groove. Both ends of the rotating shaft are installed on the connecting plates at both sides of the cutter disc installation groove through bearings.

6. The anti-eccentric load type disk-in-disk tool magazine for a machining center according to claim 1, characterized in that: It also includes a first displacement encoder and a first locking device. The first displacement encoder is used to detect and control the rotation angle of the circular carrier plate. The first locking device is used to lock or fix the main shaft to limit the rotation of the circular carrier plate.

7. The anti-eccentric load type disk-in-disk tool magazine for a machining center according to claim 1, characterized in that: It also includes a second displacement encoder and a second locking device, wherein the second displacement encoder is used to detect and control the rotation angle of the cutter disc, and the second locking device is used to lock or fix the rotating shaft to limit the rotation of the cutter disc.

8. The anti-eccentric load type disk-in-disk tool magazine for a machining center according to claim 1, characterized in that: The carrier plate driving device adopts a servo motor.

9. The anti-eccentric load type disk-in-disk tool magazine for a machining center according to claim 1, characterized in that: The cutter head driving device adopts a servo motor.

10. The anti-eccentric load type disk-in-disk tool magazine for a machining center according to claim 2, characterized in that: The tool magazine cover is installed on the bracket.

Images