CN111958286A - Double-tool-changing mechanism for adjusting tool-changing interval of double-spindle machine tool - Google Patents
Double-tool-changing mechanism for adjusting tool-changing interval of double-spindle machine tool Download PDFInfo
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- CN111958286A CN111958286A CN202011152116.9A CN202011152116A CN111958286A CN 111958286 A CN111958286 A CN 111958286A CN 202011152116 A CN202011152116 A CN 202011152116A CN 111958286 A CN111958286 A CN 111958286A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/15513—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling the tool being taken from a storage device and transferred to a tool holder by means of transfer devices
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Abstract
The invention provides a double-tool-changing mechanism for adjusting the tool-changing interval of a double-spindle machine tool, and relates to the technical field of machine tool design and manufacturing. The double-tool-changing mechanism comprises a tool changing arm, wherein the tool changing arm is in sliding connection with a vertical sliding plate arranged on a tool magazine, two side ends of the tool changing arm are respectively and movably connected with a left tool changing hand and a right tool changing hand, and the left tool changing hand and the right tool changing hand are controlled by a driving device to rotate on the tool changing arm so as to complete the tool changing action of changing a tool in an auxiliary tool sleeve to a main shaft; left side tool changing hand and right tool changing hand are eccentric structure to: h = L +/-4 e, wherein e is an eccentric distance, L is a distance between the two main shafts, and H is a distance between the main shafts and the auxiliary cutter sleeve. The invention can eliminate the distance error between the cutter sleeve and the double main shafts, reduces the complicated operation that an additional mechanism is needed to adjust the distance after the traditional cutter changing, has high efficiency and accurate position, and effectively improves the working efficiency.
Description
Technical Field
The utility model relates to a machine tool design and manufacturing technical field especially relate to a two tool changing mechanisms of adjustment two main shaft lathe tool changing intervals.
Background
The double-spindle tool magazine is an important part of a double-spindle machining center, and the double-spindle machining center can complete simultaneous machining of two parts by one-time clamping, so that the machining efficiency of the parts is greatly improved, and the double-spindle tool magazine is favored by a great number of machine tool users. In order to improve the efficiency, the tool changing mechanism is required to simultaneously change the double-spindle tools, and the distance between the corresponding tool sleeves in the tool magazine is often inconsistent with the distance between the double spindles, so that the double-tool changing mechanism is required to be designed to simultaneously adjust the distance during tool changing so as to meet the requirement of efficient and rapid tool changing.
Disclosure of Invention
In view of this, the embodiment of the present disclosure provides a double tool changing mechanism for adjusting a tool changing distance of a double spindle machine tool, which solves the technical problems of complicated operation and low working efficiency caused by a difference between a distance between corresponding tool sleeves in an existing double spindle tool magazine and a distance between two spindles.
In order to achieve the above purpose, the invention provides the following technical scheme:
a double-tool-changing mechanism for adjusting the tool-changing interval of a double-spindle machine tool comprises a tool-changing arm, wherein the tool-changing arm is connected with a vertical sliding plate arranged on a tool magazine in a sliding manner, so that the tool-changing arm can reciprocate up and down on the vertical sliding plate; the two side ends of the tool changing arm are respectively and movably connected with a left tool changing hand and a right tool changing hand, and the left tool changing hand and the right tool changing hand are controlled by a driving device to rotate on the tool changing arm so as to complete the tool changing action of changing the tool in the auxiliary tool sleeve to the main shaft;
wherein, left side tool changing hand and right tool changing hand are eccentric structure to satisfy: h = L +/-4 e, wherein e is the eccentricity between the centroid of the section of the tool changing hand and the action point of the axial force, L is the distance between the two main shafts, and H is the distance between the main shaft and the corresponding auxiliary tool sleeve.
Further, the left tool changing hand and the right tool changing hand synchronously rotate 180 degrees on the tool changing arm to complete one tool changing action.
Further, left side tool changing hand and right side tool changing hand all include two manipulators, and two manipulators mutually perpendicular set up.
Furthermore, the eccentric distances between the section centroids of the two manipulators and the axial force action point of the tool changing hand are both e.
Further, drive arrangement is including controlling respectively first motor and the second motor of left side tool changing hand and right tool changing hand, first motor and second motor all set up tool changing arm front side.
Further, drive arrangement still includes synchronous pulley, the motor drive wheel of first motor and second motor respectively with synchronous pulley connects, synchronous pulley drives the hold-in range and rotates to it is rotatory to drive left tool changing hand and right tool changing hand.
The invention discloses a double tool changing mechanism for adjusting the tool changing distance of a double-spindle machine tool, which has the beneficial effects that: the tool changing mechanism is designed aiming at a horizontal double-spindle machining center, can adjust the distance between the tool sleeve and the distance between the double spindles in the tool changing process, eliminates the distance error between the tool sleeve and the double spindles, reduces the complicated operation that the distance needs to be adjusted by an additional mechanism after the traditional tool changing, is efficient and accurate in position, and effectively improves the working efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a double tool changing mechanism of the present invention;
FIG. 2 is a schematic front view of the positional relationship between a double tool changer and a double spindle machining center according to the present invention;
FIG. 3 is a schematic front view of the double tool changer of the present invention in the spindle changing position;
FIG. 4 is a schematic view of the eccentricity of a tool changing hand of the double tool changing mechanism of the present invention;
FIG. 5 is a schematic view of a driving device in the double tool changing mechanism of the present invention.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present disclosure, and the drawings only show the components related to the present disclosure rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
Referring to the accompanying drawings 1-5, the embodiment of the present disclosure provides a double tool changing mechanism for adjusting the tool changing distance of a double spindle machine tool, the double tool changing mechanism includes a tool changing arm 1, and the tool changing arm 1 is slidably connected to a vertical sliding plate 8 installed on a tool magazine 6. Specifically, the tool changing arm 1 is driven by a servo motor, so that the tool changing arm 1 reciprocates up and down on the vertical sliding plate 8; the two side ends of the tool changing arm 1 are respectively movably connected with a left tool changing hand 2 and a right tool changing hand 5, and the left tool changing hand 2 and the right tool changing hand 5 are controlled by a driving device, so that the left tool changing hand 2 and the right tool changing hand 5 rotate on the tool changing arm 1 to complete the tool changing action of changing the tool in the auxiliary tool sleeve 7 to the main shaft 9;
wherein, left side tool changing hand 2 and right side tool changing hand 5 are eccentric structure to satisfy: h = L +/-4 e, wherein e is the eccentricity between the centroid of the section of the tool changing hand and the action point of the axial force, L is the distance between the two main shafts 9, and H is the distance between the main shaft 9 and the auxiliary tool sleeve 7.
In the above embodiment of the present invention, the tool changing hands on the left and right sides rotate on the tool changing arm 1 and reciprocate up and down on the vertical sliding plate 8 along with the tool changing arm 1, thereby completing the tool changing operation of changing the tool in the auxiliary tool case 7 to the main shaft 9. Specifically, the left tool changing hand 2 and the right tool changing hand 5 synchronously rotate 180 degrees on the tool changing arm 1 to complete one tool changing action, as shown in fig. 2 and 3.
In the double-spindle machining machine tool, the distance between the tool sleeves in the tool magazine 6 corresponding to the model of the tool holder is fixed, the double tool changing mechanism firstly picks up a tool upwards in the tool changing process, rotates by 180 degrees and then moves downwards to the spindle 9 for tool changing, so that aiming at the problem that the distance between the tool sleeves corresponding to the tool magazine 6 and the distance between the two spindles 9 are inconsistent, the left tool changing hand and the right tool changing hand of the tool changing mechanism are designed to be eccentric mechanisms, the two tool changing hands respectively rotate by 180 degrees in the tool changing process, the distances are balanced and offset after rotating by 180 degrees, the distance between each tool changing hand is adjusted to be 2e, the distance between the two spindles 9 is L, the distance between the spindle 9 and the corresponding auxiliary tool sleeve 7 is H, H = L +/-4 e is met, and the problem that the distance between the tool sleeves in the double-spindle tool magazine and.
Taking a tool handle with the model of HSK63 as an example, the distance between two tool sleeves is 101.6mm, the span of the double main shafts is an integer, and if the transverse span of the two main shafts is 800mm, the distance between 8 tool sleeves is 101.6 x 8mm, so that 12.8mm needs to be eliminated. That is, when the pitch L between the two main shafts and the pitch H of the main shaft-corresponding sub-pocket 7 are known, the eccentricity e =3.2 is determined from H = L ± 4e and 812.8mm =800mm +4 e.
In a preferred embodiment, as shown in fig. 4, the left tool changing hand 2 and the right tool changing hand 5 each comprise two manipulators, and the two manipulators are arranged perpendicular to each other. And the eccentric distances between the section centroids of the two manipulators and the axial force action point of the tool changing hand are both e. The specific tool changing process is as follows: when the double spindles exchange tools, the former manipulator takes off the tools in the tool magazine and rotates downwards, the latter manipulator which is empty takes off the original tools on the spindles and then continues to rotate to 180 degrees, so that the former manipulator exchanges the tools in the tool magazine with the spindles to complete one tool exchange action, and tool exchange operation is performed alternately through the two manipulators.
In a specific preferred embodiment, the driving device comprises a first motor 3 and a second motor 4 which respectively control the left tool changing hand 2 and the right tool changing hand 5, and the first motor 3 and the second motor 4 are both arranged on the front side of the tool changing arm 1. As shown in fig. 5, the driving device further includes a synchronous pulley 10, the motor driving wheels of the first motor 3 and the second motor 4 are respectively connected to the synchronous pulley 10, and the synchronous pulley 10 drives the synchronous belt 11 to rotate, so as to drive the left tool changing hand 2 and the right tool changing hand 5 to rotate.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present disclosure should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (6)
1. A double-tool-changing mechanism for adjusting the tool-changing interval of a double-spindle machine tool is characterized by comprising a tool-changing arm, wherein the tool-changing arm is connected with a vertical sliding plate arranged on a tool magazine in a sliding manner, so that the tool-changing arm can reciprocate up and down on the vertical sliding plate; the two side ends of the tool changing arm are respectively and movably connected with a left tool changing hand and a right tool changing hand, and the left tool changing hand and the right tool changing hand are controlled by a driving device to rotate on the tool changing arm so as to complete the tool changing action of changing the tool in the auxiliary tool sleeve to the main shaft;
wherein, left side tool changing hand and right tool changing hand are eccentric structure to satisfy: h = L +/-4 e, wherein e is the eccentricity between the centroid of the section of the tool changing hand and the action point of the axial force, L is the distance between the two main shafts, and H is the distance between the main shaft and the corresponding auxiliary tool sleeve.
2. The double tool changing mechanism of claim 1, wherein the left tool changing hand and the right tool changing hand synchronously rotate 180 ° on the tool changing arm to complete a tool changing action.
3. The double tool changing mechanism of claim 1, wherein the left tool changing hand and the right tool changing hand each comprise two manipulators, and the two manipulators are arranged perpendicular to each other.
4. The double tool changing mechanism according to claim 3, wherein the eccentric distance between the section centroid of the two manipulators and the axial force application point of the tool changing manipulator is e.
5. The double tool changing mechanism according to claim 1 or 4, wherein the driving device comprises a first motor and a second motor for controlling the left tool changing hand and the right tool changing hand respectively, and the first motor and the second motor are both arranged on the front side of the tool changing arm.
6. The double tool changing mechanism of claim 5, wherein the driving device further comprises a synchronous pulley, the motor driving wheels of the first and second motors are respectively connected with the synchronous pulley, and the synchronous pulley drives a synchronous belt to rotate, so as to drive the left and right tool changing hands to rotate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011152116.9A CN111958286A (en) | 2020-10-26 | 2020-10-26 | Double-tool-changing mechanism for adjusting tool-changing interval of double-spindle machine tool |
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| CN202011152116.9A CN111958286A (en) | 2020-10-26 | 2020-10-26 | Double-tool-changing mechanism for adjusting tool-changing interval of double-spindle machine tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI800268B (en) * | 2022-02-18 | 2023-04-21 | 聖杰國際股份有限公司 | Tool changing manipulator for processing machine |
| US11819969B2 (en) | 2022-04-04 | 2023-11-21 | Sanjet International Co., Ltd. | Robotic tool changer for machining center |
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| JPS62166937A (en) * | 1986-01-16 | 1987-07-23 | Sankyo Seiki Mfg Co Ltd | Automatic tool-exchange arm device |
| FR2632560A1 (en) * | 1988-06-13 | 1989-12-15 | Peugeot | ROBOT WRIST FOR ASSEMBLING IN PARTICULAR A MALE OR FEMALE ELECTRICAL CONNECTOR WITH AN ADDITIONAL ELECTRICAL CONNECTOR |
| CN1409592A (en) * | 2001-09-20 | 2003-04-09 | 富士机械制造株式会社 | Method for supplying electric element and mounting system for electric element |
| CN205915086U (en) * | 2016-08-03 | 2017-02-01 | 王伟锋 | Can eliminate assembly error's lathe knife -changing arm |
| CN206123264U (en) * | 2016-11-04 | 2017-04-26 | 格劳博机床（大连）有限公司 | Two main shaft automatic processing center |
| CN206484339U (en) * | 2017-02-28 | 2017-09-12 | 格劳博机床（大连）有限公司 | A kind of pair of main shaft cutter-exchange mechanism |
| WO2018065965A1 (en) * | 2016-10-07 | 2018-04-12 | Andrea Argentin | Bending press and associated tool-holder storage unit |
| CN108637765A (en) * | 2018-03-19 | 2018-10-12 | 南京机电职业技术学院 | A kind of lathe automatic tool changer machinery hand |
| CN111730391A (en) * | 2020-07-30 | 2020-10-02 | 上海交大智邦科技有限公司 | Double-tool magazine mechanism suitable for double-spindle machining center |
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2020
- 2020-10-26 CN CN202011152116.9A patent/CN111958286A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS62166937A (en) * | 1986-01-16 | 1987-07-23 | Sankyo Seiki Mfg Co Ltd | Automatic tool-exchange arm device |
| FR2632560A1 (en) * | 1988-06-13 | 1989-12-15 | Peugeot | ROBOT WRIST FOR ASSEMBLING IN PARTICULAR A MALE OR FEMALE ELECTRICAL CONNECTOR WITH AN ADDITIONAL ELECTRICAL CONNECTOR |
| CN1409592A (en) * | 2001-09-20 | 2003-04-09 | 富士机械制造株式会社 | Method for supplying electric element and mounting system for electric element |
| CN205915086U (en) * | 2016-08-03 | 2017-02-01 | 王伟锋 | Can eliminate assembly error's lathe knife -changing arm |
| WO2018065965A1 (en) * | 2016-10-07 | 2018-04-12 | Andrea Argentin | Bending press and associated tool-holder storage unit |
| CN206123264U (en) * | 2016-11-04 | 2017-04-26 | 格劳博机床（大连）有限公司 | Two main shaft automatic processing center |
| CN206484339U (en) * | 2017-02-28 | 2017-09-12 | 格劳博机床（大连）有限公司 | A kind of pair of main shaft cutter-exchange mechanism |
| CN108637765A (en) * | 2018-03-19 | 2018-10-12 | 南京机电职业技术学院 | A kind of lathe automatic tool changer machinery hand |
| CN111730391A (en) * | 2020-07-30 | 2020-10-02 | 上海交大智邦科技有限公司 | Double-tool magazine mechanism suitable for double-spindle machining center |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI800268B (en) * | 2022-02-18 | 2023-04-21 | 聖杰國際股份有限公司 | Tool changing manipulator for processing machine |
| US11819969B2 (en) | 2022-04-04 | 2023-11-21 | Sanjet International Co., Ltd. | Robotic tool changer for machining center |
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Application publication date: 20201120 |
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