CN116572050A - Automatic tool changing device of numerical control machine tool with double-position detection function - Google Patents

Automatic tool changing device of numerical control machine tool with double-position detection function Download PDF

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Publication number
CN116572050A
CN116572050A CN202310190904.4A CN202310190904A CN116572050A CN 116572050 A CN116572050 A CN 116572050A CN 202310190904 A CN202310190904 A CN 202310190904A CN 116572050 A CN116572050 A CN 116572050A
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CN
China
Prior art keywords
tool
fixed
axis direction
assembly
main shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310190904.4A
Other languages
Chinese (zh)
Inventor
张世珍
于光旭
郭力鹏
刘贺强
邢俊岩
孙凡
王锐
侯亚茹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Precision Machinery & Engineering Research Co ltd
Original Assignee
Beijing Precision Machinery & Engineering Research Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Precision Machinery & Engineering Research Co ltd filed Critical Beijing Precision Machinery & Engineering Research Co ltd
Priority to CN202310190904.4A priority Critical patent/CN116572050A/en
Publication of CN116572050A publication Critical patent/CN116572050A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
    • B23Q3/1554—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore
    • 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
    • B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
    • B23Q3/15526—Storage devices; Drive mechanisms therefor
    • 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
    • B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
    • B23Q3/1554—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore
    • B23Q2003/155414—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore the transfer mechanism comprising two or more grippers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)

Abstract

The invention relates to an automatic tool changing device of a numerical control machine with a double-position detection function, belonging to the technical field of numerical control machines, comprising: the tool changer comprises a column, a spindle assembly, a tool magazine assembly, a tool changing manipulator and a tool tensioning mechanism, wherein the column is connected to the lathe bed in a sliding manner; the main shaft component is connected to the upright post in a sliding way and can be used for placing two cutters with different diameters; the tool magazine assembly is positioned on one side of the spindle assembly and fixed on the lathe bed, and two tools with different diameters are detachably connected with the tool magazine assembly; the tool changing manipulator is fixed on one side of the tool magazine assembly, which is close to the spindle assembly, and two clamping ends are arranged at two ends. According to the tool changing mechanism, the two clamping ends of the tool changing manipulator simultaneously clamp the tool on the tool magazine assembly and the tool on the spindle assembly, and the tool on the spindle assembly and the tool on the tool magazine assembly can be mutually exchanged, so that automatic tool changing of a numerical control machine tool is completed, error prevention identification is realized in the tool exchanging process, and the reliability of exchanging double-diameter tool handles is improved.

Description

Automatic tool changing device of numerical control machine tool with double-position detection function
Technical Field
The invention relates to the technical field of numerical control machine tools, in particular to an automatic tool changing device of a numerical control machine tool with a double-position detection function.
Background
The numerical control machine tool automatically processes the processed parts according to a processing program which is programmed in advance, and the main method is that the processing process path, the process parameters, the running track, the displacement, the cutting parameters and the auxiliary functions of the parts are programmed into a processing program list according to instruction codes and program formats specified by the numerical control machine tool, and the contents in the program list are recorded on a control medium and then are input into a numerical control device of the numerical control machine tool, so that the numerical control machine tool is instructed to process the parts.
At present, a numerical control machine tool is often required to process parts with complex profiles, in order to avoid processing shutdown, a processing cutter is often required to be replaced on line, and a common cutter replacing method is as follows: the tool in the tool magazine is numbered digitally, the tool on the machining spindle is grabbed by the tool changing manipulator, and the tool with the corresponding number in the tool magazine is installed in the spindle, so that the tool switching is automatically completed, for example, the patent number is: YN114749972Z, named: a numerical control machine tool with an automatic tool changing function; however, the tool changing mode can automatically complete tool changing only by using a manipulator with six-axis movement, so that the manufacturing cost of the manipulator is high; in addition, the traditional numerical control machine tool is not provided with an error-proof identification component, so that the machine tool cannot judge whether the tool change is correct or not after the tool change of the manipulator; in addition, along with the wide use of hard and brittle materials and composite materials in key fields, the high-grade numerical control machining center is provided with an ultrasonic machining tool for machining multi-procedure complex parts, so that the high integration of a conventional tool (conventional diameter) and an ultrasonic tool (ultra-large diameter) realizes the automatic exchange of different types of tools, and is a key technical direction for improving the intelligent level of a machine tool.
Therefore, how to design an automatic tool changing device of a numerical control machine tool with low cost and error proofing recognition capability to realize reliable automatic exchange of tools with different diameters is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention provides an automatic tool changing device of a numerical control machine tool with a double-position detection function, which solves the technical problems that the existing tool changing equipment of the numerical control machine tool is high in manufacturing cost and does not have the error-proofing recognition capability of tool changing.
The technical scheme for solving the technical problems is as follows, the automatic tool changing device of the numerical control machine with a double-position detection function comprises a machine body, wherein a coronal axis of the machine body is an X axis, a vertical axis of the machine body is a Y axis, and a sagittal axis of the machine body is a Z axis, and the automatic tool changing device comprises: the upright post, the main shaft component, the tool magazine component, the tool changing manipulator and the tool tensioning mechanism,
the upright post is connected to the lathe bed in a sliding manner along the Z-axis direction; the main shaft assembly is connected to the upright post in a sliding manner along the Y-axis direction, a main shaft taper hole is formed in one end part extending along the Z-axis direction, and cutters with different diameters can be placed at the end parts of the main shaft taper hole and the main shaft assembly, which correspond to the outer periphery side of the main shaft taper hole; the tool magazine assembly is positioned on one side of the spindle assembly and fixed on the lathe bed, and two detachable tools with different diameters move in the tool magazine assembly along the Y-axis direction;
the tool changing manipulator is fixed on one side of the tool magazine assembly, which is close to the spindle assembly, and two clamping ends are arranged at two ends extending along the X-axis direction, and the two clamping ends of the tool changing manipulator can respectively clamp the tool on the tool magazine assembly and the tool on the spindle assembly and exchange the tool on the tool magazine assembly and the tool on the spindle assembly; the tool tensioning mechanism is fixed in the spindle taper and the tensioning end of the tool tensioning mechanism can clamp or unclamp the tool on the spindle assembly.
The beneficial effects of the invention are as follows: the tool on the tool magazine assembly and the tool on the spindle assembly are clamped simultaneously through the two clamping ends of the tool changing manipulator, and because the spindle assembly can move along the Y-axis direction, after the spindle assembly is aligned with the tool changing manipulator in the X-axis direction, the upright post moves along the Z-axis direction, and the tool tensioning mechanism loosens the tool on the spindle assembly.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the device also comprises a first proximity switch, wherein the first proximity switch is fixed at one end part of the spindle assembly extending along the Z-axis direction corresponding to the outer side of the spindle taper.
The tool changing device has the further beneficial effects that the first proximity switch is arranged on the outer side of the spindle taper hole and fixed at the end part of one end of the spindle assembly extending along the Z-axis direction, when a tool with a larger diameter is installed, the first proximity switch can detect a corresponding signal and prompt an operator to change the tool correctly, otherwise, the first proximity switch does not detect the corresponding signal and prompts the operator to change the tool incorrectly.
Further, the main shaft assembly comprises a sliding seat and a main shaft, and the sliding seat is connected to the upright post in a sliding manner along the Y-axis direction; the main shaft is rotationally connected to the sliding seat along the Z-axis direction, and one end of the main shaft extends out of the sliding seat; the main shaft taper hole is arranged at the end part of the main shaft extending out of the extending end of the sliding seat, and the first proximity switch is fixed at the end part of the main shaft extending out of the extending end of the sliding seat.
The tool changing manipulator has the further beneficial effects that the main shaft is rotationally connected to the sliding seat along the Z-axis direction, and the sliding seat is slidably connected to the upright post along the Y-axis direction, so that the main shaft can be driven to move along the Y-axis direction, and the main shaft and the tool changing manipulator are aligned along the X-axis direction.
Further, the tool magazine assembly comprises a tool magazine box body, a rotating wheel, an annular conveying chain and two tool sleeves with different inner hole diameters, wherein the tool magazine box body is positioned at one side of a main shaft extending out of the extending end of the sliding seat and is fixed on the lathe bed along the Y-axis direction; a cutter inlet and outlet is formed in one side, close to the extending end of the main shaft, of the cutter storage box body; the number of the rotating wheels is two, and the two rotating wheels are rotationally connected in the tool magazine box body at intervals along the Y-axis direction; the annular conveying chain is rotatably connected to the two rotating wheels; one end of each cutter sleeve far away from the sliding seat is a cutter inlet, and one side of each cutter sleeve close to the main shaft is provided with a cutter outlet penetrating through the inlet end of the cutter; the two cutters with different diameters are respectively matched and detachably inserted into the two cutter sleeves with different diameters; the tool changing manipulator is fixed on one side of the tool magazine box body, which is close to the main shaft, and two clamping ends of the tool changing manipulator can sequentially extend into or penetrate out of the tool inlet and outlet and the tool outlet.
The tool changing manipulator has the further beneficial effects that the annular conveying chain is utilized to drive the two tool sleeves to move along the Y-axis direction, tools with different diameters can be replaced at the positions corresponding to the tool inlet and outlet in the Y-axis direction, so that the tool changing manipulator can extend into or penetrate out of the tool inlet and outlet and the tool outlet, and the required tools can be replaced.
Further, the tool changing manipulator comprises a fixing plate, a rotating arm, two oil cylinders and two clamping jaws, wherein the fixing plate is fixed on one side of the tool magazine box body, which is close to the main shaft; the rotating arm is rotationally connected to one end face, far away from the sliding seat, of the fixed plate by taking the Z axis as a rotating axis through a rotating shaft; the two oil cylinders are respectively fixed at two ends of the rotating arm, and the output ends of the oil cylinders reciprocate along the X-axis direction; the two clamping jaws are two clamping ends of the tool changing manipulator, are respectively fixed at the output ends of the two oil cylinders, can reciprocate along the X-axis direction and sequentially extend into or penetrate out of the tool inlet and outlet and the tool outlet.
The adoption of the method has the further beneficial effects that: after the spindle assembly is aligned with the tool changing manipulator in the X-axis direction, two oil cylinders fixed at two ends of the rotating arm can extend along the X-axis direction at the same time and drive two clamping jaws to move along the X-axis direction so as to respectively clamp and clamp the tool in the tool sleeve and the tool on the spindle taper hole, then the oil cylinders shrink along the X-axis direction, the rotating arm rotates by taking the Z-axis as a rotation axis, the tool in the tool sleeve and the tool on the spindle taper hole can be exchanged, finally the oil cylinders extend along the X-axis direction, and the tensioning end of the tool tensioning mechanism tightens and clamps the tool on the spindle taper hole along the Z-axis direction, so that the exchanged tool can be respectively fixed in the tool sleeve and the corresponding position of the spindle taper hole.
Further, the tool changing reference surfaces of the two tool sleeves are the same, the tool changing manipulator further comprises a mounting plate and a second proximity switch, and the mounting plate is fixed on the other end face of the fixing plate, which is close to the sliding seat; the second proximity switch is fixed on one end face, close to the clamping jaw, of the mounting plate, and a preset distance is reserved between the second proximity switch and the clamping jaw, close to the tool magazine box body.
The cutter has the further beneficial effects that when the lengths of the cutters to be replaced are inconsistent, the cutter inserting depth of the cutter sleeve is the same due to the fact that the cutter changing reference surfaces of the cutter sleeve are the same, the positions of the cutters clamped by the clamping jaws, which extend out of the cutter sleeve, are the same, when the cutters with longer lengths need to be clamped by the clamping jaws, the second proximity switch is fixed on the mounting plate and has a preset distance with the clamping jaws, the second proximity switch can detect corresponding signals and prompt operators to switch the cutter normally, otherwise, the second proximity switch can prompt the operators to switch the cutter abnormally when not detecting the corresponding signals.
Drawings
FIG. 1 is a schematic diagram of the front view structure of an automatic tool changing device of a numerical control machine tool with a double-position detection function;
FIG. 2 is an enlarged schematic view of a portion of FIGS. 1 A-A;
FIG. 3 is a schematic view showing the internal structure of a tightening tool of a spindle assembly in an automatic tool changing device of a numerical control machine tool with a double-position detection function;
FIG. 4 is a schematic diagram showing the internal structure of a magazine assembly in an automatic tool changer of a numerical control machine with double-position detection function according to the present invention;
FIG. 5 is a schematic diagram showing a top view structure of an automatic tool changing device of a numerical control machine with a double-position detection function;
FIG. 6 is a partially enlarged schematic illustration of the B-B mode 1 of FIG. 5;
fig. 7 is an enlarged partial schematic view of the B-B mode 2 of fig. 5.
In the drawings, the list of components represented by the various numbers is as follows:
1. lathe bed, 2, stand, 3, spindle unit spare, 31, sliding seat, 32, main shaft, 321, main shaft taper hole, 4, first proximity switch, 5, tool magazine subassembly, 51, tool magazine box, 511, tool access, 52, runner, 53, endless conveyor chain, 54, tool sleeve, 6, tool changing manipulator, 61, fixed plate, 62, swinging boom, 63, clamping jaw, 64, mounting panel, 65, second proximity switch, 7, tool tensioning mechanism, 8, cutter.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1, an automatic tool changer for a numerical control machine with a double-position detection function, the numerical control machine includes a machine body 1, a crown axis of the machine body 1 is an X axis, a vertical axis is a Y axis, and a sagittal axis is a Z axis, and the automatic tool changer includes: the upright post 2, the main shaft component 3, the tool magazine component 5, the tool changing manipulator 6 and the tool tensioning mechanism 7,
the upright post 2 is connected to the lathe bed 1 in a sliding manner along the Z-axis direction; the spindle assembly 3 is connected to the upright post 2 in a sliding manner along the Y-axis direction, a spindle taper hole 321 is formed in one end part extending along the Z-axis direction, and cutters 8 with different diameters can be placed at the end parts of the spindle taper hole 321 and the spindle assembly 3 corresponding to the outer periphery side of the spindle taper hole 321; the tool magazine assembly 5 is positioned on one side of the spindle assembly 3 and fixed on the lathe bed 1, and two detachable tools 8 with different diameters are moved in the tool magazine assembly 5 along the Y-axis direction;
the tool changing manipulator 6 is fixed on one side of the tool magazine assembly 5, which is close to the spindle assembly 3, and two clamping ends which extend along the X-axis direction are respectively arranged at two ends, and the two clamping ends of the tool changing manipulator 6 can respectively clamp the tool 8 on the tool magazine assembly 5 and the tool 8 on the spindle assembly 3 and exchange the tool 8 on the tool magazine assembly 5 and the tool 8 on the spindle assembly 3; the tool-tightening mechanism 7 is fixed in the spindle taper 321 and its tightening end can clamp or unclamp the tool on the spindle assembly 3.
In some embodiments, the device further comprises a first proximity switch 4, and the first proximity switch 4 is fixed at one end portion of the spindle assembly 3 extending along the Z-axis direction corresponding to the outer side of the spindle taper 321.
In some embodiments, the spindle assembly 3 includes a sliding seat 31 and a spindle 32, where the sliding seat 31 is slidably connected to the upright 2 along the Y-axis direction; the main shaft 32 is rotatably connected to the sliding seat 31 along the Z-axis direction, and one end of the main shaft extends out of the sliding seat 31; the spindle taper 321 is provided at an end of the spindle 32 extending out of the extending end of the slide holder 31, and the first proximity switch 4 is fixed at an end of the spindle 32 extending out of the extending end of the slide holder 31.
In some embodiments, the tool magazine assembly 5 includes a tool magazine box 51, a rotating wheel 52, an annular conveying chain 53, and two tool sleeves 54 with different inner hole diameters, where the tool magazine box 51 is located at one side of the main shaft 32 extending out of the extending end of the sliding seat 31 and is fixed on the machine body 1 along the Y-axis direction; a tool inlet and outlet 511 is arranged on one side of the tool magazine box body 51 near the extending end of the main shaft 32; the number of the rotating wheels 52 is two, and the two rotating wheels 52 are rotatably connected in the tool magazine box body 51 at intervals along the Y-axis direction; an endless conveyor chain 53 is rotatably connected to the two rotating wheels 52; one end of the two cutter sleeves 54 far away from the sliding seat 31 is a cutter inlet, and one side close to the main shaft 32 is provided with a cutter outlet penetrating through the cutter inlet end; the two cutters 8 with different diameters are respectively matched and detachably inserted into the two cutter sleeves 54 with different diameters; the tool changing manipulator 6 is fixed on one side of the tool magazine box 51 near the spindle 32, and two clamping ends of the tool changing manipulator can sequentially extend into or penetrate out of the tool inlet and outlet 511 and the tool outlet.
In some embodiments, the tool changing manipulator 6 includes a fixing plate 61, a rotating arm 62, two cylinders and two clamping jaws 63, where the fixing plate 61 is fixed on one side of the magazine case 51 near the spindle 32; the rotating arm 62 is rotatably connected to an end surface of the fixed plate 61, which is far away from the sliding seat 31, by a rotating shaft with a Z axis as a rotating axis; the two cylinders are respectively fixed at two ends of the rotating arm 62, and the output ends of the two cylinders reciprocate along the X-axis direction; the two clamping jaws 63 are two clamping ends of the tool changing manipulator 6, and the two clamping jaws 63 are respectively fixed at the output ends of the two oil cylinders, can reciprocate along the X-axis direction and sequentially extend into or penetrate out of the tool inlet and outlet 511 and the tool outlet.
In some embodiments, the tool changing reference surfaces of the two tool sleeves 54 are the same, the tool changing manipulator 6 further comprises a mounting plate 64 and a second proximity switch 65, and the mounting plate 64 is fixed on the other end surface of the fixed plate 61 close to the sliding seat 31; a second proximity switch 65 is fixed to an end face of the mounting plate 64 near the holding jaw 63 with a predetermined distance from the holding jaw 63 near the magazine case 51.
The foregoing is only illustrative of the present invention and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.

Claims (6)

1. An automatic tool changer of a numerical control machine with double-position detection function, the numerical control machine comprises a machine body (1), a crown axis of the machine body (1) is an X axis, a vertical axis is a Y axis, and a sagittal axis is a Z axis, and the automatic tool changer is characterized by comprising: a column (2), a main shaft component (3), a tool magazine component (5), a tool changing manipulator (6) and a tool tensioning mechanism (7),
the upright post (2) is connected to the lathe bed (1) in a sliding manner along the Z-axis direction; the spindle assembly (3) is connected to the upright post (2) in a sliding manner along the Y-axis direction, a spindle taper hole (321) is formed in one end part extending along the Z-axis direction, and tools (8) with different diameters can be placed at the end parts, corresponding to the outer periphery side of the spindle taper hole (321), of the spindle taper hole (321) and the spindle assembly (3); the tool magazine assembly (5) is positioned on one side of the spindle assembly (3) and fixed on the lathe bed (1), and two detachable tools (8) with different diameters are moved in the tool magazine assembly (5) along the Y-axis direction;
the tool changing manipulator (6) is fixed on one side of the tool magazine assembly (5) close to the spindle assembly (3), two clamping ends are arranged at two ends extending along the X-axis direction, and the two clamping ends of the tool changing manipulator (6) can respectively clamp the tool (8) on the tool magazine assembly (5) and the tool (8) on the spindle assembly (3) and exchange the tool (8) on the tool magazine assembly (5) and the tool (8) on the spindle assembly (3); the tool tensioning mechanism (7) is fixed in the spindle taper (321) and the tensioning end of the tool tensioning mechanism can clamp or unclamp the tool on the spindle assembly (3).
2. The automatic tool changing device for the numerical control machine tool with the double-position detection function according to claim 1, further comprising a first proximity switch (4), wherein the first proximity switch (4) is fixed at one end part of the spindle assembly (3) extending along the Z-axis direction corresponding to the outer side of the spindle taper (321).
3. The automatic tool changing device of the numerical control machine tool with the double-position detection function according to claim 2, wherein the spindle assembly (3) comprises a sliding seat (31) and a spindle (32), and the sliding seat (31) is slidingly connected to the upright (2) along the Y-axis direction; the main shaft (32) is rotationally connected to the sliding seat (31) along the Z-axis direction, and one end of the main shaft extends out of the sliding seat (31); the main shaft taper hole (321) is arranged at the end part of the main shaft (32) extending out of the extending end of the sliding seat (31), and the first proximity switch (4) is fixed at the end part of the main shaft (32) extending out of the extending end of the sliding seat (31).
4. The automatic tool changing device of a numerical control machine tool with a double-position detection function according to claim 3, wherein the tool magazine assembly (5) comprises a tool magazine box body (51), a rotating wheel (52), an annular conveying chain (53) and two tool sleeves (54) with different inner hole diameters, the tool magazine box body (51) is positioned at one side of a main shaft (32) extending out of an extending end of the sliding seat (31) and is fixed on the machine tool body (1) along the Y-axis direction; a cutter inlet and outlet (511) is arranged on one side of the cutter storage box body (51) close to the extending end of the main shaft (32); the number of the rotating wheels (52) is two, and the two rotating wheels (52) are rotationally connected in the tool magazine box body (51) at intervals along the Y-axis direction; said endless conveyor chain (53) is rotatably connected to two of said runners (52); one end of each cutter sleeve (54) far away from the sliding seat (31) is a cutter inlet, and one side of each cutter sleeve, which is close to the main shaft (32), is provided with a cutter outlet penetrating through the inlet end of the cutter; the two cutters (8) with different diameters are respectively and detachably inserted into the two cutter sleeves (54) with different diameters; the tool changing manipulator (6) is fixed on one side of the tool magazine box body (51) close to the main shaft (32), and two clamping ends of the tool changing manipulator can sequentially extend into or penetrate out of the tool inlet and outlet (511) and the tool outlet.
5. The automatic tool changing device of the numerical control machine tool with the double-position detection function according to claim 4, wherein the tool changing manipulator (6) comprises a fixed plate (61), a rotating arm (62), two oil cylinders and two clamping jaws (63), and the fixed plate (61) is fixed on one side, close to the main shaft (32), of the tool magazine box body (51); the rotating arm (62) is rotationally connected to one end surface of the fixed plate (61) far away from the sliding seat (31) by taking the Z axis as a rotation axis through a rotating shaft; the two oil cylinders are respectively fixed at two ends of the rotating arm (62) and the output ends of the two oil cylinders reciprocate along the X-axis direction; the two clamping jaws (63) are two clamping ends of the tool changing manipulator (6), and the two clamping jaws (63) are respectively fixed at the output ends of the two oil cylinders and can reciprocate along the X-axis direction and sequentially extend into or penetrate out of the tool inlet and outlet (511) and the tool outlet.
6. The automatic tool changing device for the numerical control machine tool with the double-position detection function according to claim 6, wherein tool changing reference surfaces of two tool sleeves (54) are the same, the tool changing manipulator (6) further comprises a mounting plate (64) and a second proximity switch (65), and the mounting plate (64) is fixed on the other end surface of the fixing plate (61) close to the sliding seat (31); the second proximity switch (65) is fixed on one end face of the mounting plate (64) close to the clamping jaw (63) and is a preset distance from the clamping jaw (63) close to the tool magazine box body (51).
CN202310190904.4A 2023-03-02 2023-03-02 Automatic tool changing device of numerical control machine tool with double-position detection function Pending CN116572050A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310190904.4A CN116572050A (en) 2023-03-02 2023-03-02 Automatic tool changing device of numerical control machine tool with double-position detection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310190904.4A CN116572050A (en) 2023-03-02 2023-03-02 Automatic tool changing device of numerical control machine tool with double-position detection function

Publications (1)

Publication Number Publication Date
CN116572050A true CN116572050A (en) 2023-08-11

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CN202310190904.4A Pending CN116572050A (en) 2023-03-02 2023-03-02 Automatic tool changing device of numerical control machine tool with double-position detection function

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