CN113319612A - Double-spindle turning center - Google Patents

Double-spindle turning center Download PDF

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Publication number
CN113319612A
CN113319612A CN202110600124.3A CN202110600124A CN113319612A CN 113319612 A CN113319612 A CN 113319612A CN 202110600124 A CN202110600124 A CN 202110600124A CN 113319612 A CN113319612 A CN 113319612A
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CN
China
Prior art keywords
spindle box
chuck
base
tool
spindle
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
CN202110600124.3A
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Chinese (zh)
Inventor
姜卫东
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.)
Chongqing Jinshiyi Intelligent Technology Co ltd
Original Assignee
Chongqing Jinshiyi Intelligent Technology 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 Chongqing Jinshiyi Intelligent Technology Co ltd filed Critical Chongqing Jinshiyi Intelligent Technology Co ltd
Priority to CN202110600124.3A priority Critical patent/CN113319612A/en
Publication of CN113319612A publication Critical patent/CN113319612A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B29/00Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/24Tool holders for a plurality of cutting tools, e.g. turrets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/70Stationary or movable members for carrying working-spindles for attachment of tools or work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools

Abstract

The invention provides a double-spindle turning center which comprises a base, a first spindle box, a second spindle box, a first tool rest, a second tool rest and an auxiliary clamping mechanism, wherein the first spindle box is arranged on the base; the top surface of the base is provided with a chip groove, the chip groove is arranged between the second spindle box and the second tool rest, and a chuck plate of the second spindle box is positioned above the chip groove; the auxiliary clamping mechanism is arranged below the first tool rest and below the second tool rest, an auxiliary chuck is arranged at the front end of the auxiliary clamping mechanism and can extend to the position above the chip cutting groove to be matched with a chuck of the first spindle box or a chuck of the second spindle box to clamp a workpiece. By arranging the auxiliary clamping mechanism, when long-shaft workpieces are machined, the auxiliary chuck extends out and is matched with a chuck plate of the spindle box to clamp the workpieces together; when short shaft workpieces need to be machined, the auxiliary chucks are stored, so that the machining center can machine short shafts on two sides and long shafts on two sides, and machining capacity is improved.

Description

Double-spindle turning center
Technical Field
The invention relates to the field of machine tools, in particular to a double-spindle turning center.
Background
In the machining industry, the existing machining process for shaft workpieces needing double-sided machining comprises the following steps: after the workpiece is clamped, one end of the workpiece is machined, the workpiece needs to be disassembled after machining, then the workpiece is clamped in the other direction, and the other end of the workpiece is machined by the cutter.
Chinese invention patent publication No. CN109202138A, in 2019, month 01 and 15, discloses "an inclined-body double-spindle double-row-cutter numerical control machine tool capable of realizing spindle butt joint processing, comprising an inclined body, a left Z-axis spindle and a right Z-axis spindle; the left and right X-axis bed saddles are of an integrated structure, and the left and right X-axis sliding plates, the left and right X-axis driving motors of the sliding plates, the left and right Z-axis electric main shafts, the driving electric main shafts and the left and right Z-axis driving motors of the left and right Z-axis headstock; the left and right X-direction sliding plates are provided with left and right Y-axis power heads in a matching way; the left and right Y-axis power heads are driven to displace along the Y-axis by a Y-axis drive motor. The double-face machining tool is only suitable for double-face machining of short shafts, the tool mounting and fixing frame is fixedly arranged between the two spindle boxes, the number and the types of the tools to be mounted and clamped are limited, and the machining capacity is limited.
Disclosure of Invention
Aiming at the defects in the prior art, the double-spindle turning center provided by the invention at least solves the technical problems that the existing double-spindle double-face machining lathe is only suitable for short-shaft double-face machining and has limited machining capacity.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a double-spindle turning center comprises a base, a first spindle box, a second spindle box, a first tool rest, a second tool rest and an auxiliary clamping mechanism; the first spindle box is fixedly arranged at one end of the base in the length direction, and the second spindle box is arranged at the other end of the base in the length direction in a sliding mode along the length direction of the base so as to be convenient for approaching the first spindle box to finish butt joint of a replacing part; the middle part of the base is provided with a first tool rest and a second tool rest, the first tool rest is arranged in a manner of sliding along the length direction of the base, the second tool rest is arranged between the first tool rest and a second spindle box, and the second tool rest is also arranged in a manner of sliding along the length direction of the base; the top surface of the base is provided with a chip groove, the chip groove is arranged between the second spindle box and the second tool rest, and a chuck plate of the second spindle box is positioned above the chip groove; the auxiliary clamping mechanism is arranged below the first tool rest and below the second tool rest, an auxiliary chuck is arranged at the front end of the auxiliary clamping mechanism and can extend to the position above the chip cutting groove to be matched with a chuck of the first spindle box or a chuck of the second spindle box to clamp a workpiece.
Optionally, the first tool rest includes a first slide seat, a second slide seat and a third slide seat, the first slide seat is slidably disposed on the top surface of the base along the length direction of the base, the second slide seat is slidably disposed on the top surface of the first slide seat along the width direction of the base, and the third slide seat is slidably disposed on a side wall of the second slide seat along the height direction of the base; and a tool apron is arranged on the surface of the third sliding seat and used for clamping a tool.
Optionally, a rotating seat is further arranged between the second sliding seat and the third sliding seat, the rotating seat is rotatably connected with the side wall of the second sliding seat, and the third sliding seat is connected with the rotating seat in a sliding manner on one side of the second sliding seat.
Optionally, a positioning rod capable of moving in a telescopic manner is arranged in the second sliding seat, a positioning hole is formed in one side, facing the second sliding seat, of the rotating seat, and the positioning rod is used for extending into the positioning hole to ensure that the rotating seat rotates to the position.
Optionally, the tool apron comprises a one-way tool apron and a two-way tool apron, the one-way tool apron is used for turning the part clamped by the first spindle box, and the two-way tool apron is used for drilling, milling and tapping the part clamped by the first spindle box in the radial direction or the axial direction.
Optionally, a cutter head is arranged on one side, facing the first spindle box, of the one-way cutter holder, and the cutter head is used for clamping a plurality of cutters; and a cutter head rotating motor is arranged on one side, away from the first spindle box, of the one-way cutter holder so as to drive the cutter head to rotate for cutter changing.
Optionally, a first rotary chuck is arranged on one side, facing the first spindle box, of the bidirectional tool apron for clamping a tool, and a first rotary motor is arranged on one side, facing away from the first spindle box, of the bidirectional tool apron for driving the first rotary chuck to rotate; and a second rotary chuck is arranged on one side, away from the third sliding seat, of the bidirectional tool apron, and a second rotary motor is arranged at the bottom end or the top end of the bidirectional tool apron and used for driving the second rotary chuck to rotate.
Optionally, there are a plurality of second rotating chucks, the plurality of second rotating chucks are uniformly spaced in the height direction of the base, two adjacent second rotating chucks are in meshing transmission through gears to transmit torque, and the second rotating chuck located at the lowermost position or the second rotating chuck located at the uppermost position is in transmission connection with a second rotating motor.
Optionally, a first helical gear is sleeved on the outer periphery of a second rotating chuck in transmission connection with the second rotating motor, a second helical gear is sleeved on the outer periphery of an output shaft of the second rotating motor, and the first helical gear and the second helical gear are in meshing transmission.
Optionally, a mounting groove is arranged below the base; supplementary fixture includes supplementary slide and assistance push rod, supplementary slide sets up in the mounting groove with the gliding mode of base length direction can be followed, the assistance push rod sets up in supplementary spout top surface, the top of assisting the push rod is equipped with supplementary chuck.
According to the technical scheme, the invention has the beneficial effects that:
the invention provides a double-spindle turning center which comprises a base, a first spindle box, a second spindle box, a first tool rest, a second tool rest and an auxiliary clamping mechanism, wherein the first spindle box is arranged on the base; the first spindle box is fixedly arranged at one end of the base in the length direction, and the second spindle box is arranged at the other end of the base in the length direction in a sliding mode along the length direction of the base so as to be convenient for approaching the first spindle box to finish butt joint of a replacing part; the middle part of the base is provided with a first tool rest and a second tool rest, the first tool rest is arranged in a manner of sliding along the length direction of the base, the second tool rest is arranged between the first tool rest and a second spindle box, and the second tool rest is also arranged in a manner of sliding along the length direction of the base; the top surface of the base is provided with a chip groove, the chip groove is arranged between the second spindle box and the second tool rest, and a chuck plate of the second spindle box is positioned above the chip groove; the auxiliary clamping mechanism is arranged below the first tool rest and below the second tool rest, an auxiliary chuck is arranged at the front end of the auxiliary clamping mechanism and can extend to the position above the chip cutting groove to be matched with a chuck of the first spindle box or a chuck of the second spindle box to clamp a workpiece. By arranging the auxiliary clamping mechanism, when long-shaft workpieces are machined, the auxiliary chuck extends out and is matched with a chuck plate of the spindle box to clamp the workpieces together; when short shaft type workpieces need to be machined, the auxiliary chucks are stored, so that the double-spindle turning center can machine short shafts on two sides and long shafts on two sides, and machining capacity is improved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of a double-spindle turning center for machining a short shaft;
FIG. 2 is a top view of a dual spindle turning center;
FIG. 3 is a schematic view of the first tool holder configuration;
FIG. 4 is a schematic view of a one-way tool holder;
FIG. 5 is a schematic structural view of a bi-directional tool holder;
FIG. 6 is a schematic view showing a state of the double-spindle turning center for machining a long shaft;
FIG. 7 is an enlarged view taken at A in FIG. 6;
FIG. 8 is a schematic view of the mounting position of the auxiliary clamp mechanism;
reference numerals:
1-a base, 2-a first spindle box, 3-a second spindle box, 4-a first tool rest, 5-a second tool rest, 6-a one-way tool apron, 7-a two-way tool apron, 8-an auxiliary clamping mechanism and 9-a shaft to be processed;
11-chip cutting grooves, 12-installation grooves, 41-first sliding seats, 42-second sliding seats, 43-third sliding seats, 44-rotating seats, 61-cutter discs, 62-cutter disc rotating motors, 71-first rotating chucks, 72-second rotating chucks, 73-first rotating motors, 74-second rotating motors, 81-auxiliary sliding seats, 82-auxiliary push rods and 83-auxiliary chucks.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
referring to fig. 1 and 2, the double spindle turning center provided by the present invention includes a base 1, a first spindle box 2, a second spindle box 3, a first tool rest 4, a second tool rest 5, and an auxiliary clamping mechanism 8. The first spindle box 2 is fixedly arranged at one end of the base 1 in the length direction, and the second spindle box 3 is arranged at the other end of the base 1 in the length direction in a sliding mode along the length direction of the base 1 so as to be close to the first spindle box 2 to finish butt joint of the exchange pieces. The middle of the base 1 is provided with a first tool rest 4 and a second tool rest 5, the first tool rest 4 is arranged in a manner of sliding along the length direction of the base 1 so as to be used for machining a workpiece clamped by the first spindle box 2, the second tool rest 5 is arranged between the first tool rest 4 and the second spindle box 3, and the second tool rest 5 is also arranged in a manner of sliding along the length direction of the base 1 so as to be used for machining a workpiece clamped by the second spindle box 3. The top surface of the base 1 is provided with a chip groove 11, the chip groove 11 is arranged between the second spindle box 3 and the second tool rest 5, a chuck of the second spindle box 3 is positioned above the chip groove 11, the chuck of the first spindle box 2 is coaxially arranged with the chuck of the second spindle box 3, namely, the chuck of the first spindle box 2 is also arranged above the chip groove 11. On the one hand, the chips generated by machining are convenient to collect, and on the other hand, the auxiliary clamping mechanism 8 is convenient to arrange. Referring to fig. 6 to 8, an auxiliary clamping mechanism 8 is disposed below the first tool rest 4 and below the second tool rest 5, an auxiliary chuck 83 is disposed at a front end of the auxiliary clamping mechanism 8, the auxiliary chuck 83 is disposed in a retractable manner, and the auxiliary chuck 83 can extend to above the chip cutting groove 11 to match with a chuck of the first spindle box 2 or a chuck of the second spindle box 3 to clamp a workpiece. By arranging the auxiliary clamping mechanism 8, when long-shaft workpieces are machined, the auxiliary chuck 83 extends out and is matched with a chuck of the spindle box to clamp the workpieces together; when short shaft workpieces need to be machined, the auxiliary chuck 83 is stored, so that the double-spindle turning center can machine short shafts on two sides and long shafts on two sides, and machining capacity is improved.
Specifically, referring to fig. 3, the first tool post 4 includes a first slide 41, a second slide 42 and a third slide 43, the first slide 41 is slidably disposed on the top surface of the base 1 along the length direction of the base 1, the second slide 42 is slidably disposed on the top surface of the first slide 41 along the width direction of the base 1, and the third slide 43 is slidably disposed on the sidewall of the second slide 42 along the height direction of the base 1; the third slide 43 is provided with a tool seat on the surface for clamping a tool. The tool apron comprises a one-way tool apron 6 and a two-way tool apron 7, the one-way tool apron 6 is used for turning parts clamped by the first spindle box 2, and the two-way tool apron 7 is used for drilling, milling and tapping the parts clamped by the first spindle box 2 in the radial direction or the axial direction. The one-way tool apron 6 is arranged above the two-way tool apron 7, or the one-way tool apron 6 is arranged below the two-way tool apron 7. Through setting up the knife rest of multiaxis linkage to set up one-way blade holder 6 on the knife rest, with the part that is used for lathe work headstock centre gripping, and set up two-way blade holder 7, with the radial or axial of the part that the headstock centre gripping is bored and is milled the processing, the cutter dress volume is big, the cutter kind is many, and the processing ability is strong.
Example two:
in this embodiment, a further improvement is made on the basis of the first embodiment, referring to fig. 3 and fig. 6, a rotating seat 44 is further disposed between the second sliding seat 42 and the third sliding seat 43, the rotating seat 44 is rotatably connected to a side wall of the second sliding seat 42, and the third sliding seat 43 is slidably connected to a side of the rotating seat 44 away from the second sliding seat 42. Taking fig. 6-7 as an example, when the long axis clamped by the second headstock 3 is too long to exceed the effective stroke of the second tool rest 5, the rotary seat 44 arranged on the first tool rest 4 is rotated 180 degrees to change the direction of the upper tool rest, and the drilling and milling of the workpiece clamped by the second headstock 3 is completed by the first tool rest 4, thereby further enhancing the processing capacity of the present cutting center. Preferably, a positioning rod capable of telescopic movement is arranged in the second sliding seat 42, and a positioning hole is arranged on one side of the rotating seat 44 facing the second sliding seat 42, and the positioning rod is used for extending into the positioning hole to ensure that the rotating seat 44 rotates in place. Specifically, the rotating base 44 only needs to rotate 180 degrees to turn around the tool apron, and therefore, only one positioning hole needs to be respectively arranged at the top end and the bottom end of the rotating base 44 close to the second sliding base 42, the two positioning holes are symmetrically arranged about the rotation center, and positioning rods are arranged above and/or below the second sliding base 42 facing one side of the rotating base 44.
As a further improvement to the above scheme, please refer to fig. 4, a cutter head rotating motor 62 is disposed on one side of the one-way cutter holder 6 facing the first spindle box 2, and the cutter head rotating motor 62 is used for clamping a plurality of cutters; one side of the one-way tool apron 6, which is far away from the first spindle box 2, is provided with a tool pan rotating motor 62 rotating motor for driving the tool pan rotating motor 62 to rotate for tool changing, and tool setting is completed through sliding of the three sliding seats. In one embodiment, two cutters with the same specification are arranged in the cutters clamped by the cutter head rotating motor 62, so that when one of the cutters is damaged during machining, the cutter head rotating motor 62 rotates the cutter head rotating motor 62 to switch the spare cutter, and machining can be continued after cutter resetting is performed, and the time of error work is reduced. Preferably, the rotary motor of the cutter head rotary motor 62 is covered with a protective cover on the periphery thereof to prevent chips generated during cutting from invading the interior of the motor through a fan at the tail of the motor to damage the motor, and simultaneously keep the surface of the motor clean.
As a further improvement to the above solution, referring to fig. 5, a first rotary chuck 71 is disposed on a side of the bidirectional tool apron 7 facing the first spindle box 2 for clamping a tool, a first rotary motor 73 is disposed on a side of the bidirectional tool apron 7 away from the first spindle box 2 for driving the first rotary chuck 71 to rotate, and the first rotary chuck 71 is clamped with a corresponding tool to complete drilling, tapping, milling and other processing on an end surface of a shaft part; a second rotating chuck 72 is arranged on one side, away from the third slide seat 43, of the bidirectional tool apron 7, a second rotating motor 74 is arranged at the bottom end or the top end of the bidirectional tool apron 7, so as to drive the second rotating chuck 72 to rotate, and corresponding tools are clamped on the second rotating chuck 72 to complete the processing of drilling, tapping, milling and the like on the outer peripheral surface of shaft parts. Preferably, the first rotating electric machine 73 and the second rotating electric machine 74 are covered with a motor protection cover on the periphery to prevent chips generated during cutting from invading the interior of the motor through a motor tail exhaust fan to damage the motor, and simultaneously keep the surface of the motor clean.
As a further improvement to the above scheme, please refer to fig. 5, a plurality of first rotating chucks 71 are provided, the plurality of first rotating chucks 71 are uniformly spaced along the height direction of the base 1, two adjacent first rotating chucks 71 are engaged and driven through gears to transmit torque, and one first rotating chuck 71 is in transmission connection with a first rotating motor 73. The tool change is accomplished by sliding the three slides, and the tool change is accomplished by sliding the third slide 43 up and down. Similarly, there are a plurality of second rotating chucks 72, the plurality of second rotating chucks 72 are uniformly spaced along the height direction of the base 1, two adjacent second rotating chucks 72 are engaged and driven through gears to transmit torque, and the second rotating chuck 72 located at the lowermost position or the second rotating chuck 72 located at the uppermost position is in transmission connection with the second rotating motor 74. Particularly, since the second rotating motor 74 is inconvenient to be disposed inside the third sliding seat 43, torque transmission between the second rotating motor 74 and the second rotating chuck 72 needs to be realized through a reversing mechanism, that is, a first helical gear is sleeved on the outer periphery of the second rotating chuck 72 in transmission connection with the second rotating motor 74, a second helical gear is sleeved on the outer periphery of an output shaft of the second rotating motor 74, and the first helical gear and the second helical gear are in meshing transmission.
As a further improvement to the above scheme, please refer to fig. 8, an installation groove 12 is provided below the base 1; the auxiliary clamping mechanism 8 comprises an auxiliary sliding seat 81 and an auxiliary push rod 82, the auxiliary sliding seat 81 is arranged in the mounting groove 12 in a sliding mode along the length direction of the base 1, the auxiliary push rod 82 is arranged on the top surface of the auxiliary sliding groove, and the top end of the auxiliary push rod 82 is provided with the auxiliary chuck 83. The auxiliary sliding seat 81 slides to adapt to the auxiliary clamping and supporting functions of the shaft workpieces with different lengths. The auxiliary push rod 82 may be a cylinder or an oil cylinder.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (10)

1. A double-spindle turning center is characterized by comprising a base (1), a first spindle box (2), a second spindle box (3), a first tool rest (4), a second tool rest (5) and an auxiliary clamping mechanism (8); the first spindle box (2) is fixedly arranged at one end of the base (1) in the length direction, and the second spindle box (3) is arranged at the other end of the base (1) in the length direction in a manner of sliding along the length direction of the base (1) so as to be convenient for approaching the first spindle box (2) to finish butt joint and part changing; the middle of the base (1) is provided with a first tool rest (4) and a second tool rest (5), the first tool rest (4) is arranged in a manner of sliding along the length direction of the base (1), the second tool rest (5) is arranged between the first tool rest (4) and the second spindle box (3), and the second tool rest (5) is also arranged in a manner of sliding along the length direction of the base (1);
a chip cutting groove (11) is formed in the top surface of the base (1), the chip cutting groove (11) is formed between the second spindle box (3) and the second tool rest (5), and a chuck plate of the second spindle box (3) is located above the chip cutting groove (11); the auxiliary clamping mechanism (8) is arranged below the first tool rest (4) and below the second tool rest (5), an auxiliary chuck (83) is arranged at the front end of the auxiliary clamping mechanism (8), the auxiliary chuck (83) is arranged in a telescopic mode, and the auxiliary chuck (83) can extend to the position above the chip cutting groove (11) to be matched with a chuck of the first spindle box (2) or a chuck of the second spindle box (3) to clamp a workpiece.
2. The double-spindle turning center according to claim 1, wherein the first tool rest (4) comprises a first slide (41), a second slide (42) and a third slide (43), the first slide (41) is slidably arranged on the top surface of the base (1) along the length direction of the base (1), the second slide (42) is slidably arranged on the top surface of the first slide (41) along the width direction of the base (1), and the third slide (43) is slidably arranged on the side wall of the second slide (42) along the height direction of the base (1); the surface of the third sliding seat (43) is provided with a tool apron for clamping a tool.
3. The double-spindle turning center according to claim 2, wherein a rotating seat (44) is further arranged between the second sliding seat (42) and the third sliding seat (43), the rotating seat (44) is rotatably connected with the side wall of the second sliding seat (42), and the third sliding seat (43) is slidably connected with the side, away from the second sliding seat (42), of the rotating seat (44).
4. A double-spindle turning center according to claim 3, wherein the second slide (42) is provided with a telescopically movable positioning rod, and the side of the rotary seat (44) facing the second slide (42) is provided with a positioning hole for inserting the positioning rod to ensure that the rotary seat (44) is rotated to the position.
5. The double-spindle turning center according to claim 3, wherein the tool apron comprises a one-way tool apron (6) and a two-way tool apron (7), the one-way tool apron (6) is used for turning parts clamped by the first spindle box (2), and the two-way tool apron (7) is used for drilling and milling radial or axial parts clamped by the first spindle box (2).
6. The double-spindle turning center according to claim 5, wherein a cutter head rotating motor (62) is arranged on one side of the one-way cutter holder (6) facing the first spindle box (2), and the cutter head rotating motor (62) is used for clamping a plurality of cutters; one side, far away from the first spindle box (2), of the one-way tool apron (6) is provided with a tool pan rotating motor (62) rotating motor so as to drive the tool pan rotating motor (62) to rotate for tool changing.
7. The double-spindle turning center according to claim 5, wherein the side of the bidirectional tool apron (7) facing the first spindle box (2) is provided with a first rotating chuck (71) for holding a tool, and the side of the bidirectional tool apron (7) facing away from the first spindle box (2) is provided with a first rotating motor (73) for driving the first rotating chuck (71) to rotate; and a second rotating chuck (72) is arranged on one side, away from the third sliding seat (43), of the bidirectional tool apron (7), and a second rotating motor (74) is arranged at the bottom end or the top end of the bidirectional tool apron (7) and used for driving the second rotating chuck (72) to rotate.
8. The double-spindle turning center according to claim 7, wherein a plurality of second rotary chucks (72) are provided, the plurality of second rotary chucks (72) are uniformly spaced along the height direction of the base (1), two adjacent second rotary chucks (72) are in meshing transmission through gears to transmit torque, and the second rotary chuck (72) positioned at the lowest position or the second rotary chuck (72) positioned at the highest position is in transmission connection with a second rotary motor (74).
9. The double-spindle turning center according to claim 8, wherein a first bevel gear is sleeved on the outer periphery of a second rotary chuck (72) in transmission connection with the second rotary motor (74), a second bevel gear is sleeved on the outer periphery of an output shaft of the second rotary motor (74), and the first bevel gear and the second bevel gear are in meshing transmission.
10. The double-spindle turning center according to any one of claims 1-9, wherein a mounting groove (12) is provided below the base (1); supplementary fixture (8) are including supplementary slide (81) and supplementary push rod (82), supplementary slide (81) set up in mounting groove (12) with the gliding mode of base (1) length direction can be followed, supplementary push rod (82) set up in supplementary spout top surface, the top of supplementary push rod (82) is equipped with supplementary chuck (83).
CN202110600124.3A 2021-05-31 2021-05-31 Double-spindle turning center Pending CN113319612A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115338687A (en) * 2022-09-13 2022-11-15 江苏鑫品工业装备有限公司 Double-spindle synchronous machining numerical control lathe
CN115609355A (en) * 2022-12-05 2023-01-17 常州克迈特数控科技有限公司 Machine tool designed in modular layout
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CN115338687A (en) * 2022-09-13 2022-11-15 江苏鑫品工业装备有限公司 Double-spindle synchronous machining numerical control lathe
CN115609355A (en) * 2022-12-05 2023-01-17 常州克迈特数控科技有限公司 Machine tool designed in modular layout
CN117300689A (en) * 2023-11-30 2023-12-29 常州帕而勒精密机械有限公司 Double-station special-shaped section milling machine tool
CN117300689B (en) * 2023-11-30 2024-03-08 常州帕而勒精密机械有限公司 Double-station special-shaped section milling machine tool

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Application publication date: 20210831