Lathe equipment with double spindles

The lathe equipment with dual spindle and multi-turret design solves the problems of flexibility and precision in existing lathe processing, realizes efficient and stable processing of long workpieces, and meets the needs of fast delivery.

CN223465887UActive Publication Date: 2025-10-24FOSHAN NANHAI ZHONGYUXING PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202423013836.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-07
Publication Date
2025-10-24
Estimated Expiration
2034-12-07

AI Technical Summary

Technical Problem

Existing lathes cannot process two workpieces at the same time or process different parts of a workpiece. They have low processing flexibility and are prone to shaking when clamping long workpieces, affecting accuracy and safety.

Method used

Design a dual-spindle lathe equipment, equipped with two spindles and multiple turrets. The spindles can run synchronously, and the turrets can move in the X-axis and Y-axis directions to achieve dual-workpiece or multi-position processing.

Benefits of technology

It improves processing efficiency and precision, stably clamps long workpieces, shortens production cycles, reduces costs, and meets fast delivery needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses double-spindle lathe equipment, which relates to the field of numerical control machining equipment and comprises a frame, and a worktable is formed on the frame. Two main shafts are installed in the middle of the upper portion of the workbench, a first X-axis conveying mechanism is fixedly installed in the middle of the upper portion of the workbench, and the first X-axis conveying mechanism drives the main shaft on the right side to be close to or away from the main shaft on the left side; one or more tool turrets are installed on the workbench, turning and milling tools are installed on the tool turrets, and the tool turrets drive the turning and milling tools to conduct feeding and retracting between the two main shafts. The double-spindle lathe is provided with double spindles, two workpieces can be clamped and machined at the same time, one or more tool turrets are matched for cutting machining, and the efficiency of batch production of parts is improved; when a workpiece is long, the main shafts on the two sides can be used for clamping and fixing the two ends of the workpiece correspondingly, then the long workpiece is driven to rotate stably, cutting machining can be conducted on different positions of the long workpiece, and the production efficiency is improved through a parallel processing cutting mode.
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Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control processing equipment field especially a lathe equipment of double spindle. BACKGROUND

[0002] The lathe is the machine tool that mainly uses the lathe tool to turn the workpiece that rotates, and the lathe is the most important cutting machine tool in the metal cutting machine tool, and the lathe is the most in the general machine factory, also called the working mother machine. On the lathe, drill, reamer, reamer, tap, die and knurling tool can be used for corresponding processing. The function of the lathe is to cut the rotating surface and helical surface of different sizes and shapes.

[0003] The common lathe on the market includes ordinary lathe and numerical control lathe, and the ordinary lathe needs manual reading of feed, low efficiency and low machining precision, and the current numerical control lathe generally only has a group of spindle and tool turret, the workpiece is clamped and driven by the spindle, and then the cutter is installed on the tool turret, the tool turret moves along the Y axis and X axis through numerical control, and the cutter is cut on the rotating cylinder.

[0004] The prior art (publication number: CN110076362B) discloses a lathe, which prevents the chips generated during turning from splashing and causing harm to the workers through the protective cover when the lathe turns the workpiece. In addition, after the lathe finishes machining a workpiece, the chuck loosens the clamping of the raw material rod, the lifting mechanism controls the lifting of the protective cover, the operating member drives the raw material rod to move a certain position, and then the chuck clamps the raw material rod. The raw material rod is moved without manual operation, and the movement distance of the raw material rod is more stable.

[0005] However, the above-mentioned scheme and the lathe of the prior art cannot simultaneously machine two workpieces, or cannot simultaneously machine different parts of a workpiece, the flexibility during machining is low, and when clamping a workpiece with a long length, the clamping is unstable, the workpiece shakes during rotation, the machining precision is affected, and when the shaking is serious, there is a certain safety hazard. Utility model content

[0006] The utility model provides a technical scheme to solve the above problems.

[0007] A lathe equipment of double spindle, including the frame, the frame is integrally formed with the workbench;

[0008] The middle part above the workbench is provided with two main shafts, the middle part above the workbench is fixedly provided with a first X-axis conveying mechanism, the right main shaft is fixedly arranged on the first X-axis conveying mechanism, and the first X-axis conveying mechanism drives the right main shaft to be arranged close to or away from the left main shaft;

[0009] One or more tool towers are arranged on the workbench, a turning and milling cutter is arranged on the tool tower, and the tool tower drives the turning and milling cutter to perform feeding and retracting between the two main shafts.

[0010] Further, the bottom side of the tool tower is provided with a second X-axis conveying mechanism, the second X-axis conveying mechanism is fixedly arranged on the workbench, and the second X-axis conveying mechanism drives the tool tower to move left and right.

[0011] Further, the upper side surface of the workbench is forwardly inclined.

[0012] Further, the left side above the workbench is formed with a support table, the left main shaft is fixedly arranged on the support table, and the two main shafts are arranged left and right symmetrically.

[0013] Further, the main shaft comprises a mounting seat, a driving motor, a speed reducer and a lathe clamp, the mounting seat of the left main shaft is fixedly arranged on the support table, the mounting seat of the right main shaft is fixedly arranged on the first X-axis conveying mechanism, the first X-axis conveying mechanism drives the mounting seat of the right main shaft to move left and right, the lathe clamp is rotatably arranged on the mounting seat, and the driving motor drives the lathe clamp to rotate through the speed reducer.

[0014] Further, the driving motor is fixedly arranged on the mounting seat through the speed reducer.

[0015] Further, the lathe clamp on each of the two main shafts is any one of a centering type lathe clamp, an angle iron type lathe clamp and a chuck type lathe clamp.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. Two workpieces can be clamped and machined simultaneously, one or more tool towers are used for cutting machining, and the efficiency of batch production of parts is further improved.

[0018] 2. Long workpieces can be effectively clamped, when the workpiece is long, the two ends of the workpiece can be clamped and fixed by the two main shafts, the two main shafts are on the same axis, the two main shafts are synchronously operated, the long workpiece is driven to stably rotate, and one or more tool towers at different positions on the workbench are used for cutting machining at different positions of the long workpiece, parallel processing is realized, and the production efficiency is improved.

[0019] 3. The machining precision can be improved significantly, and complex parts with high precision and high quality can be manufactured;

[0020] 4. The production cycle is shortened greatly, more machining tasks can be completed in a single time, and the demand for rapid delivery in the market can be met;

[0021] 5. The production cost can be reduced effectively, and the cost of equipment space and manpower can be reduced.

[0022] The additional aspects and advantages of the present application will be partially given in the following description, and some will become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0024] Figure 1 is a structural schematic view of the present application;

[0025] Figure 2 is Figure 1 is a structural schematic view of another view;

[0026] Figure 3 is a structural schematic view of the main shaft;

[0027] Figure 4 is Figure 3 is a structural schematic view of another view;

[0028] Figure 5 is a structural schematic view of the tool turret;

[0029] Figure 6 is Figure 5 is a structural schematic view of another view;

[0030] Figure 7 is a structural schematic view of the tool turret;

[0031] Figure 8 is Figure 7 is a structural schematic view of another view;

[0032] Figure 9 is a structural schematic view of the turning and milling cutter.

[0033] As shown in the figure: 1, rack; 2, workbench; 3, main shaft; 3.1, mounting seat; 3.2, driving motor; 3.3, speed reducer; 3.4, lathe clamp; 4, first X-axis conveying mechanism; 5, second X-axis conveying mechanism; 6, tool tower; 6.1, Y-axis conveying mechanism; 6.2, positioning frame; 6.3, lifting mechanism; 6.31, lifting motor; 6.32, second lead screw; 6.4, rotary table driver; 6.5, tool rotary table; 6.6, turning and milling cutter; 7, third threaded hole; 8, clamping block; 9, through groove; 10, tool mounting position; 11, shaft hole; 12, transverse groove; 13, vertical groove; 14, first threaded hole; 15, limiting structure; 15.1, limiting groove; 15.2, flat key; 15.3, convex edge; 16, support table; 45.1, X-axis guide rail; 45.2, X-axis sliding block; 45.3, X-axis sliding table; 45.4, X-axis conveying motor; 17, first lead screw; 18, positioning block; 19, second threaded hole; 20, transverse protruding edge. DETAILED DESCRIPTION

[0034] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all of the embodiments.

[0035] The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0036] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0037] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0039] Example 1, as Figures 1-9 As shown, a lathe device with dual spindles 3 includes a frame 1, and a workbench 2 is integrally formed on the frame 1;

[0040] Two spindles 3 are installed in the middle above the workbench 2, and a first X-axis conveying mechanism 4 is fixedly installed in the middle above the workbench 2. The right spindle 3 is fixedly installed on the first X-axis conveying mechanism 4, and the first X-axis conveying mechanism 4 drives the right spindle 3 to approach or move away from the left spindle 3;

[0041] One or more turrets 6 are installed on the workbench 2, and a turning and milling tool 6.6 is installed on the turret 6. The turret 6 drives the turning and milling tool 6.6 to feed and retract between the two spindles 3;

[0042] The principle is as follows: it has dual spindles 3, which can clamp and process two workpieces at the same time, and cooperate with one or more turrets 6 for cutting processing, thereby speeding up the efficiency of mass production of parts; it can effectively clamp long workpieces. When the workpiece is long, the spindles 3 on both sides can be used to clamp and fix the two ends of the workpiece respectively, and the two spindles 3 are on the same axis. The two spindles 3 run synchronously, thereby driving the long workpiece to rotate stably, and then cooperate with one or more turrets 6 at different positions on the workbench 2 to realize cutting processing at different positions on the long workpiece, realize parallel processing, and speed up production efficiency.

[0043] Furthermore: a second X-axis conveying mechanism 5 is installed on the bottom side of the turret 6, the second X-axis conveying mechanism 5 is fixedly installed on the workbench 2, and the second X-axis conveying mechanism 5 drives the turret 6 to move left and right; the setting of the second X-axis conveying mechanism 5 can control the X-axis direction of the turret 6, thereby realizing X-axis feed cutting.

[0044] Furthermore, the upper surface of the workbench 2 is tilted forward, which facilitates the operation and observation of the machine tool.

[0045] Furthermore: a support platform 16 is formed on the left side above the workbench 2, and the left spindle 3 is fixedly installed on the support platform 16, and the two spindles 3 are arranged symmetrically with each other; the two spindles 3 are aligned with each other to ensure stable clamping of the workpiece.

[0046] Furthermore: the spindle 3 includes a mounting seat 3.1, a drive motor 3.2, a reducer 3.3 and a lathe fixture 3.4. The mounting seat 3.1 of the left spindle 3 is fixedly mounted on the support platform 16, and the mounting seat 3.1 of the right spindle 3 is fixedly mounted on the first X-axis conveying mechanism 4, and the first X-axis conveying mechanism 4 drives the mounting seat 3.1 of the right spindle 3 to move left and right, and the lathe fixture 3.4 is rotatably mounted on the mounting seat 3.1, and the drive motor 3.2 drives the lathe fixture 3.4 to rotate through the reducer 3.3; the spindle 3 can use the lathe fixture 3.4 to complete the stable clamping of the workpiece, and after clamping is completed, the drive motor 3.2 can be used to drive the workpiece to rotate at high speed, which can effectively improve the rotational power and stability of the workpiece.

[0047] Furthermore, the drive motor 3.2 is fixedly mounted on the mounting base 3.1 via the reducer 3.3, which can ensure stable installation of the drive motor 3.2 and the reducer 3.3.

[0048] Furthermore: the lathe fixtures 3.4 on the two spindles 3 are any one of a centering lathe fixture 3.4, an angle iron lathe fixture 3.4, and a disc lathe fixture 3.4.

[0049] Example 2, as Figures 1-9 As shown, a dual-spindle lathe device of the present invention comprises a frame 1, on which a workbench 2 is integrally formed;

[0050] Two spindles 3 are installed in the middle above the workbench 2, and a first X-axis conveying mechanism 4 is fixedly installed in the middle above the workbench 2. The right spindle 3 is fixedly installed on the first X-axis conveying mechanism 4, and the first X-axis conveying mechanism 4 drives the right spindle 3 to approach or move away from the left spindle 3;

[0051] A second X-axis conveying mechanism 5 is provided on both the front and rear sides of the first X-axis conveying mechanism 4. The second X-axis conveying mechanism 5 is fixedly mounted on the workbench 2. A tool turret 6 is connected and mounted on the second X-axis conveying mechanism 5. The two tool turrets 6 have the same structure. The two tool turrets 6 are respectively arranged on the front and rear sides of the two spindles 3 for turning and milling compound processing.

[0052] The principle is that two main shafts 3 on the workbench 2 can clamp workpieces respectively, the main shafts 3 can drive the corresponding workpieces to rotate after clamping is completed, and the tool towers 6 on the front and rear second X-axis conveying mechanisms 5 can realize machining on the workpieces on the two main shafts 3, so that two parts can be machined at the same time in the same time period, and the production efficiency is further improved.

[0053] The utility model discloses a double main shaft 3, double tool tower 6, double channel realize turning and milling compound, the design of double tool tower 6 lets machine tool have two independent and can along Y axle direction movement's tool tower 6, greatly increased the flexibility and diversity of tool configuration, can carry out a variety of different cutting operations simultaneously, and the double main shaft 3 design can let two main shafts 3 synchronous operation, can simultaneously process two workpieces or handle different parts of a workpiece in parallel, greatly improve the processing efficiency, use double tool tower 6 and double main shaft 3 mutual combination, form the function of high -efficient turning and milling compound, can improve the machining precision significantly, manufacture the complex part of high precision, high quality, and greatly shorten the production cycle, can complete more processing tasks in single time, satisfy the demand of the market for quick delivery, in addition, can effectively reduce production cost, reduce the cost of equipment occupied space and manpower.

[0054] Further, the first X-axis conveying mechanism 4 and the rear second X-axis conveying mechanism 5 are arranged opposite to each other, the front second X-axis conveying mechanism 5 is arranged offset to the left, and the two tool towers 6 are arranged in a diagonal direction.

[0055] Further, the tool tower 6 comprises a Y-axis conveying mechanism 6.1, a positioning frame 6.2, a lifting mechanism 6.3, a rotary table driver 6.4, a tool rotary table 6.5, and a plurality of turning and milling tools 6.6.

[0056] The Y-axis conveying mechanism 6.1 is fixedly installed on the second X-axis conveying mechanism 5, and the second X-axis conveying mechanism 5 drives the Y-axis conveying mechanism 6.1 to move left and right.

[0057] The positioning frame 6.2 is fixedly installed on the Y-axis conveying mechanism 6.1, and the Y-axis conveying mechanism 6.1 drives the positioning frame 6.2 to move forward and backward.

[0058] A plurality of said turning and milling cutters 6.6 circular array arrangement fixedly installed on the cutter turntable 6.5, the turntable driver 6.4 drives the cutter turntable 6.5 to step rotation;

[0059] Said lifting mechanism 6.3 fixedly installed on the top side of the positioning frame 6.2, the turntable driver 6.4 lifting sliding fit installed in the positioning frame 6.2, the lifting mechanism 6.3 drives the turntable driver 6.4 to move up and down, so that the turning and milling cutters 6.6 on the cutter turntable 6.5 is aligned with the axis of the spindle 3;

[0060] The principle is: the Y-axis conveying mechanism 6.1 can provide the turning and milling cutters 6.6 with the power along the Y-axis direction, the lifting mechanism 6.3 can let the turning and milling cutters 6.6 align with the axis of the two spindles 3, realize accurate machining, cooperate with the Y-axis conveying mechanism 6.1 to realize fast feed and push, in addition, when switching the turning and milling cutters 6.6, only need to use the turntable to drive the cutter turntable 6.5 step rotation can switch to the corresponding turning and milling cutters 6.6 position, realize fast tool changing.

[0061] Further: said lifting mechanism 6.3 includes lifting motor 6.31 and second lead screw 6.32, the turntable driver 6.4 is formed with a vertical third threaded hole 7, the lifting motor 6.31 is fixedly installed on the top side of the positioning frame 6.2, the lifting motor 6.31 drives the second lead screw 6.32 to rotate, the second lead screw 6.32 is screw fitted in the third threaded hole 7; the lifting motor 6.31 can drive the turntable driver 6.4 to move up and down through the screw fitting between the second lead screw 6.32 and the third threaded hole 7, thereby realizing the function of accurate height adjustment, so that after switching the cutter, the turning and milling cutters 6.6 can align with the axis of the spindle 3, thereby ensuring the machining accuracy.

[0062] Further: said turntable driver 6.4 outside both sides are formed with clamping blocks 8, the positioning frame 6.2 both sides are formed with through grooves 9, the positioning frame 6.2 is arranged between the two clamping blocks 8, the inner side of the clamping block 8 is slidingly fitted in the through groove 9; the turntable driver 6.4 can stably lift in the positioning frame 6.2, and the stability during lifting is higher.

[0063] Further, the plurality of cutter installation positions 10 are arranged in a circular array outside the cutter carousel 6.5, the middle of each cutter installation position 10 is formed with a shaft hole 11, the left and right sides of the shaft hole 11 are formed with horizontal grooves 12, the front and back sides of the shaft hole 11 are formed with vertical grooves 13, the four ends of the cutter installation position 10 are formed with first threaded holes 14, the turning and milling cutter 6.6 is locked in the first threaded hole 14 through screwing, the bottom of the turning and milling cutter 6.6 is formed with a limiting structure 15, the limiting structure 15 matches with the horizontal groove 12 and the vertical groove 13; the turning and milling cutter 6.6 can be locked on the cutter installation position 10 by screwing, after installation, the cutter installation position 10 uses the horizontal groove 12 and the vertical groove 13 to clamp the limiting structure 15 at the bottom of the turning and milling cutter 6.6, thereby ensuring the stable installation of the turning and milling cutter 6.6 and ensuring that the turning and milling cutter 6.6 will not rotate and shift after installation.

[0064] Optionally, the limiting structure 15 is installed on the horizontal groove 12 or the vertical groove 13, or the limiting structure 15 is installed on the horizontal groove 12 and the vertical groove 13; there are various installation methods, as long as the limiting structure 15 at the bottom of the turning and milling cutter 6.6 can clamp the horizontal groove 12 and the vertical groove 13 to complete the installation and locking, which is convenient for installing different turning and milling cutters 6.6 on the cutter installation position 10.

[0065] Further, the limiting structure 15 at the bottom of the turning and milling cutter 6.6 is a limiting groove 15.1, the limiting groove 15.1 is provided with one or more, the limiting groove 15.1 is integrally formed at the bottom of the turning and milling cutter 6.6, and the direction of the limiting groove 15.1 matches with the horizontal groove 12 and the vertical groove 13.

[0066] Optionally, a flat key 15.2 is installed between the limiting groove 15.1 and the horizontal groove 12 and the vertical groove 13, or the flat key 15.2 is installed between the limiting groove 15.1 and the horizontal groove 12 or the vertical groove 13; the limiting groove 15.1 and the flat key 15.2 can be clamped in the horizontal groove 12 and the vertical groove 13 to realize position limiting and ensure the firm installation of the turning and milling cutter 6.6.

[0067] Further, the limiting structure 15 at the bottom of the turning and milling cutter 6.6 is a convex edge 15.3, the convex edge 15.3 is provided with one or more, the convex edge 15.3 is integrally formed at the bottom of the turning and milling cutter 6.6, and the structure of the convex edge 15.3 matches with the horizontal groove 12 and the vertical groove 13.

[0068] Optionally, the convex edge 15.3 is inserted into the horizontal groove 12 and the vertical groove 13 in a clearance fit, or the convex edge 15.3 is inserted into the horizontal groove 12 or the vertical groove 13 in a clearance fit; the structure of the convex edge 15.3 can be used to set the limiting structure 15, so that it can be directly clamped in the horizontal groove 12 and the vertical groove 13 to complete the firm installation of the turning and milling cutter 6.6.

[0069] Further, the horizontal grooves 12 and the vertical grooves 13 are perpendicular to each other.

[0070] Further, the upper surface of the workbench 2 is inclined forward, which facilitates the actual operation and observation of the machine tool.

[0071] Further, a support table 16 is formed on the left side above the workbench 2, and the left main shaft 3 is fixedly installed on the support table 16, and the two main shafts 3 are symmetrically arranged left and right. The arrangement of the support table 16 allows the left and right main shafts 3 to face each other, thereby ensuring that the two main shafts 3 are on the same axis, allowing the two main shafts 3 to simultaneously clamp and drive a cylindrical body to rotate, while the two tool towers 6 can simultaneously process at different positions of the cylindrical body.

[0072] Further, the main shaft 3 comprises a mounting seat 3.1, a driving motor 3.2, a speed reducer 3.3, and a lathe clamp 3.4. The mounting seat 3.1 of the left main shaft 3 is fixedly installed on the support table 16, and the mounting seat 3.1 of the right main shaft 3 is fixedly installed on the first X-axis conveying mechanism 4, and the first X-axis conveying mechanism 4 drives the mounting seat 3.1 of the right main shaft 3 to move left and right. The lathe clamp 3.4 is rotatably installed on the mounting seat 3.1, the driving motor 3.2 drives the lathe clamp 3.4 to rotate through the speed reducer 3.3, and the driving motor 3.2 is fixedly installed on the mounting seat 3.1 through the speed reducer 3.3. The main shaft 3 can use the lathe clamp 3.4 to complete the stable clamping of the workpiece, and after clamping is completed, the driving motor 3.2 can be used to drive the workpiece to rotate at high speed, which can effectively improve the rotation power and stability of the workpiece.

[0073] Optionally, the lathe clamps 3.4 on the two main shafts 3 respectively adopt any one of a centering lathe clamp 3.4, an angle iron lathe clamp 3.4, and a chuck lathe clamp 3.4.

[0074] Optionally, the first X-axis conveying mechanism 4 and the second X-axis conveying mechanism 5 each adopt any one of a lead screw transmission mechanism, a gear and rack mechanism, a belt conveyor, and a chain conveyor.

[0075] Preferably, the first X-axis conveying mechanism 4 and the second X-axis conveying mechanism 5 are identical in structure, and each comprises an X-axis guide rail 45.1, an X-axis sliding block 45.2, an X-axis sliding table 45.3 and an X-axis conveying motor 45.4, the X-axis guide rail 45.1 is provided with two, and the X-axis guide rail 45.1 is fixedly installed on the workbench 2, the X-axis sliding block 45.2 is provided with at least four fixedly installed on the bottom side of the X-axis sliding table 45.3, and the X-axis sliding block 45.2 is slidingly and fitly installed on the two X-axis guide rails 45.1, the X-axis conveying motor 45.4 is fixedly installed on the rack 1 or the workbench 2, and a first screw rod 17 is fixedly installed at the rotor of the X-axis conveying motor 45.4, a positioning block 18 is fixedly installed on the middle part of the bottom side of the X-axis sliding table 45.3, a second threaded hole 19 is formed on the positioning block 18, and the first screw rod 17 is screwingly and fitly installed in the second threaded hole 19; by means of the screw rod transmission, the conveying precision and stability of the first X-axis conveying mechanism 4 and the second X-axis conveying mechanism 5 are ensured, and by means of the cooperation of the bottom side guide rail and the sliding block, the stable driving of the right main shaft 3 and the front and rear two cutter towers 6 is ensured.

[0076] Further, a plurality of transverse protruding edges 20 are integrally formed on the workbench 2, and the X-axis guide rails 45.1 in the first X-axis conveying mechanism 4 and the second X-axis conveying mechanism 5 are fixedly installed on the transverse protruding edges 20 in a one-to-one correspondence; the stable installation of the X-axis guide rails 45.1 on the workbench 2 can be realized.

[0077] Optionally, the Y-axis conveying mechanism 6.1 adopts any one of a screw rod transmission mechanism, a gear and rack mechanism, a belt conveyor and a chain conveyor; any machine can be used to realize the feeding action of the turning and milling cutter 6.6 and realize the turning and milling machining of the workpiece.

[0078] Preferably, the Y-axis conveying mechanism 6.1 adopts a screw rod transmission mechanism; the screw rod transmission mechanism has higher conveying precision, ensures the precision control and stability during the feeding and retracting, and has improved service life.

[0079] The embodiment is not intended to limit the shape, material, structure and the like of the utility model in any form, and any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiments all belong to the protection scope of the technical scheme of the utility model.

Claims

1. A double-spindle lathe device, comprising a frame, wherein a workbench is integrally formed on the frame; characterized in that two main shafts are installed on the middle of the workbench, a first X-axis conveying mechanism is fixedly installed on the middle of the workbench, the right main shaft is fixedly installed on the first X-axis conveying mechanism, and the first X-axis conveying mechanism drives the right main shaft to move close to or away from the left main shaft; one or more tool towers are installed on the workbench, a turning and milling cutter is installed on the tool tower, and the tool tower drives the turning and milling cutter to move in and out between the two main shafts.

2. A dual-spindle lathe apparatus according to claim 1, wherein: A second X-axis conveying mechanism is installed on the bottom side of the tool tower, the second X-axis conveying mechanism is fixedly installed on the workbench, and the second X-axis conveying mechanism drives the tool tower to move left and right.

3. A dual spindle lathe apparatus as claimed in claim 1, wherein: The upper surface of the workbench is forwardly inclined.

4. A dual-spindle lathe apparatus according to any one of claims 1-3, characterized in that: A support table is formed on the left side of the workbench above, the left main shaft is fixedly installed on the support table, and the two main shafts are symmetrically arranged left and right.

5. A dual-spindle lathe apparatus according to claim 4, wherein: The main shaft comprises a mounting seat, a driving motor, a speed reducer, and a lathe clamp, the mounting seat of the left main shaft is fixedly installed on the support table, the mounting seat of the right main shaft is fixedly installed on the first X-axis conveying mechanism, the first X-axis conveying mechanism drives the mounting seat of the right main shaft to move left and right, the lathe clamp is rotatably installed on the mounting seat, and the driving motor drives the lathe clamp to rotate through the speed reducer.

6. A dual-spindle lathe apparatus as claimed in claim 5, wherein: The driving motor is fixedly installed on the mounting seat through the speed reducer.

7. A dual-spindle lathe apparatus according to either one of claims 5 or 6, characterised in that: The lathe clamps on the two main shafts are respectively any one of a centering lathe clamp, an angle iron lathe clamp, and a chuck lathe clamp.

Citation Information

Patent Citations

  • A lathe

    CN110076362B