Lathe equipment with double tool turrets

Abstract

The utility model discloses lathe equipment with double tool turrets, which relates to the field of numerical control machining equipment and comprises a frame, and a worktable is integrally formed on the frame. A main shaft is installed in the middle of the upper portion of the workbench, second X-axis conveying mechanisms are arranged on the front side and the rear side of the main shaft, the second X-axis conveying mechanisms are fixedly installed on the workbench, tool turrets are installed on the second X-axis conveying mechanisms in a driving connection mode, the structures of the two tool turrets are the same, and the two tool turrets are arranged on the front side and the rear side of the main shaft respectively for turning and milling combined machining; the lathe is provided with the double tool turrets, so that the lathe is provided with the two tool turrets which are mutually independent and can move in the Y-axis direction, the flexibility and diversity of tool configuration are improved, various different cutting operations can be carried out at the same time, the efficient turning and milling composite function is formed, the production period is shortened, and more machining tasks can be completed within single time; and in addition, the production cost can be effectively reduced, and the equipment occupied space and the human input cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control processing equipment field especially a lathe equipment of double knife tower. 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 among the metal cutting machine tools, and the lathe is the most in the general machine manufacturing factory, and also be called work mother machine. On the lathe, drilling, reaming, reamer, tap, die and knurling tool can be used to carry out 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, and the efficiency is low, and the machining precision is low, and the current numerical control lathe generally only has a group of main shaft and knife tower, the workpiece is clamped and driven to rotate at high speed through the main shaft, then the tool is installed on the knife tower, the knife tower moves along the Y axis and the X axis through numerical control, and the tool 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. After the lathe finishes machining a workpiece, the chuck loosens the clamping of the raw material rod, and the lifting mechanism controls the lifting of the protective cover, so that the operating part drives the raw material rod to move to 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 process different parts of a workpiece, and the flexibility during machining is low. When clamping a workpiece with a long length, the machining efficiency is very slow. Therefore, it is necessary to design a lathe equipment with double knife towers to solve the technical problem. UTILITY MODEL CONTENT

[0006] The utility model overcomes the above-mentioned situation, and provides a technical scheme that can solve the above-mentioned problems.

[0007] A lathe equipment with double knife towers, comprising a rack, the rack is integrally provided with a workbench;

[0008] The middle part above the workbench is provided with a main shaft, and the front and rear sides of the main shaft are provided with second X-axis conveying mechanisms fixedly installed on the workbench.

[0009] The two knife towers are arranged in a diagonal direction and are aligned with the axis of the main shaft for feeding machining.

[0010] Further, the knife tower comprises a Y-axis conveying mechanism, a positioning frame and a turning and milling cutter, the Y-axis conveying mechanism is fixedly installed on the second X-axis conveying mechanism, and the second X-axis conveying mechanism drives the Y-axis conveying mechanism to move left and right, the Y-axis conveying mechanism drives the positioning frame to move forward and backward, the turning and milling cutter is installed on the positioning frame, and the turning and milling cutters of the two knife towers are aligned with the axis of the main shaft for feeding machining.

[0011] Further, the positioning frame is slidably and movably installed with a rotary table driver, the rotary table driver is connected and installed with a cutter rotary table, the turning and milling cutter is provided with a plurality of cutters fixedly installed on the cutter rotary table, and the plurality of turning and milling cutters are arranged in a circular array.

[0012] Further, the outer side of the cutter rotary table is circularly arranged with a plurality of cutter mounting positions, the middle part of the cutter mounting position is formed with a shaft hole, the left and right sides of the shaft hole are formed with horizontal grooves, the front and rear sides of the shaft hole are formed with vertical grooves, and the four ends of the cutter mounting position are formed with first threaded holes.

[0013] Further, the limiting structure is installed on the horizontal groove or the vertical groove, or the limiting structure is installed on the horizontal groove and the vertical groove.

[0014] Further, the workbench is forwardly inclined.

[0015] Further, the main shaft is provided with two main shafts installed on the workbench, the two main shafts are arranged symmetrically left and right to each other, and the axes of the two main shafts are arranged coincidentally.

[0016] Further, the second X-axis conveying mechanism adopts any one of a screw transmission mechanism, a gear and rack mechanism, a belt conveyor and a chain conveyor.

[0017] Compared with the prior art, the beneficial effects of the utility model are that: can utilize the main shaft on the workbench to clamp workpiece, can drive corresponding workpiece to rotate after clamping is completed, simultaneously realizes the feeding machining on the main shaft workpiece by utilizing the tool tower on the second X axle conveying mechanism of front and back two sides, can simultaneously cut the different positions on the workpiece in the same time period, and its flexibility is high.

[0018] The utility model has double tool towers and double channels, realizes turning and milling compound, the design of double tool towers makes the machine tool have two tool towers which are independent of each other and can move along Y axle direction, greatly increases the flexibility and diversity of tool configuration, can simultaneously carry out a plurality of different cutting operations, forms the function of efficient turning and milling compound, greatly shortens production cycle, can complete more processing tasks in single time, satisfies the demand of quick delivery of market, in addition, can also effectively reduce production cost, reduces the cost of equipment occupied space and manpower.

[0019] The additional aspects and advantages of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creativity labor intensity, can also obtain other drawings according to these drawings.

[0021] Figure 1 It is the structural schematic diagram of the utility model;

[0022] Figure 2 It is Figure 1 It is the structural schematic diagram of another view;

[0023] Figure 3 It is the installation structure schematic diagram of main shaft;

[0024] Figure 4 It is Figure 3 It is the structural schematic diagram of another view;

[0025] Figure 5 It is the installation structure schematic diagram of tool tower;

[0026] Figure 6 It is Figure 5 It is the structural schematic diagram of another view;

[0027] Figure 7 It is the structural schematic diagram of tool tower;

[0028] Figure 8 is Figure 7 Another perspective view of the structure.

[0029] Figure 9 is a structure view of the turning and milling cutter.

[0030] 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 turret; 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, cutter rotary table; 6.6, turning and milling cutter; 7, third threaded hole; 8, clamping block; 9, through groove; 10, cutter 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

[0031] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all of the embodiments.

[0032] 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.

[0033] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0034] 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 devices or elements referred to 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.

[0035] 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.

[0036] Example 1, as Figures 1-9 As shown, a lathe device with a double turret 6 includes a frame 1, and a workbench 2 is integrally formed on the frame 1;

[0037] A spindle 3 is installed in the middle above the workbench 2, and a second X-axis conveying mechanism 5 is provided on both the front and rear sides of the spindle 3. The second X-axis conveying mechanism 5 is fixedly installed on the workbench 2. A turret 6 is connected and installed on the second X-axis conveying mechanism 5. The two turrets 6 have the same structure. The two turrets 6 are respectively arranged on the front and rear sides of the spindle 3 to perform turning and milling compound processing;

[0038] The two turrets 6 are arranged diagonally with respect to each other, and the two turrets 6 are aligned with the axis of the spindle 3 for feeding processing;

[0039] The principle is: the spindle 3 on the workbench 2 can be used to clamp the workpiece. After clamping, the spindle 3 can drive the corresponding workpiece to rotate. At the same time, the turret 6 on the second X-axis conveying mechanism 5 on the front and rear sides is used to realize the feed processing on the spindle 3 workpiece. Different positions on the workpiece can be cut at the same time in the same time period, and it has high flexibility.

[0040] The utility model has dual turrets 6 and dual channels to realize turning and milling compound. The design of dual turrets 6 allows the machine tool to have two independent turrets 6 that can move along the Y-axis direction, which greatly increases the flexibility and diversity of tool configuration. It can perform a variety of different cutting operations at the same time, forming a high-efficiency turning and milling compound function, greatly shortening the production cycle, and can complete more processing tasks in a single time, meeting the market demand for fast delivery. In addition, it can also effectively reduce production costs, reduce the space occupied by equipment and the cost of manpower investment.

[0041] Further, the tool turret 6 comprises a Y-axis conveying mechanism 6.1, a positioning frame 6.2 and a turning and milling cutter 6.6, 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, the Y-axis conveying mechanism 6.1 drives the positioning frame 6.2 to move forward and backward, the turning and milling cutter 6.6 is installed on the positioning frame 6.2, and the turning and milling cutters 6.6 of the two tool turrets 6 are aligned with the axis of the main shaft 3 for feeding machining; the turning and milling cutter 6.6 installed on the positioning frame 6.2 can perform tool feeding and tool retracting at the position of the axis of the main shaft 3 by using the Y-axis conveying mechanism 6.1 to drive the positioning frame 6.2 to feed along the Y-axis direction, so as to realize cutting machining.

[0042] Further, the positioning frame 6.2 is slidably and movably installed with a rotary table driver 6.4, the turning and milling cutter 6.6 is connected and installed on the rotary table driver 6.4, and the turning and milling cutter 6.6 is provided in a plurality of forms and arranged in a circular array.

[0043] Further, a plurality of cutter installation positions 10 are circularly arranged around the outside of the cutter rotary table 6.5, a shaft hole 11 is formed in the middle of each cutter installation position 10, horizontal grooves 12 are formed on the left and right sides of the shaft hole 11, vertical grooves 13 are formed on the front and back sides of the shaft hole 11, first threaded holes 14 are formed at the four ends of the cutter installation position 10, the turning and milling cutter 6.6 is locked in the first threaded hole 14 through screwing, a limiting structure 15 is formed at the bottom of the turning and milling cutter 6.6, and the limiting structure 15 is matched with the horizontal groove 12 and the vertical groove 13.

[0044] Further, the limiting structure 15 is matched and installed on the horizontal groove 12 or the vertical groove 13, or the limiting structure 15 is matched and installed on the horizontal groove 12 and the vertical groove 13; there are various installation modes, as long as the limiting structure 15 at the bottom of the turning and milling cutter 6.6 can be clamped in the horizontal groove 12 and the vertical groove 13, the installation and locking can be completed, and different turning and milling cutters 6.6 can be conveniently installed at the cutter installation position 10.

[0045] Further, the workbench 2 is forwardly inclined; the operation and observation of the machine tool can be facilitated.

[0046] Furthermore: the main spindles 3 are provided with two installed on the workbench 2, the two main spindles 3 are symmetrically arranged with each other, and the axes of the two main spindles 3 are arranged to coincide with each other; the setting of the dual main spindles 3 can be used to ensure the stable rotation of the workpiece after clamping, thereby ensuring its processing accuracy.

[0047] Furthermore: the second X-axis conveying mechanism 5 adopts any one of a screw transmission mechanism, a rack and pinion mechanism, a belt conveyor, and a chain conveyor.

[0048] Example 2, as Figures 1-9 As shown, a double-turret lathe device of the present invention comprises a frame 1, on which a workbench 2 is integrally formed;

[0049] 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;

[0050] 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.

[0051] The principle is as follows: the two spindles 3 on the workbench 2 can be used to clamp the workpieces respectively. After clamping, the spindles 3 can drive the corresponding workpieces to rotate, and at the same time, the turrets 6 on the second X-axis conveying mechanism 5 on the front and rear sides can be used to realize processing on the workpieces of the two spindles 3. Two parts can be processed at the same time in the same time period, thereby speeding up production efficiency; in addition, when processing workpieces with longer lengths, the two ends of the workpiece can be clamped on the spindles 3 on the left and right sides respectively, and the workpiece can be driven by the two spindles 3 to ensure stable rotation of the workpiece. At the same time, the two turrets 6 can perform cutting processing at different positions of the workpiece, and its flexibility is high.

[0052] The utility model discloses a double spindle 3, double tool tower 6, double channel have realized lathe milling compound, the design of double tool tower 6 lets machine tool have two independent and can along the Y axle direction movement tool tower 6, greatly increased the flexibility and diversity of tool configuration, can simultaneously carry out a variety of different cutting operations, the design of double spindle 3 can let two spindles 3 synchronous operation, can process two workpieces simultaneously or handle different parts of a workpiece in parallel, greatly improve the processing efficiency, use double tool tower 6 and double spindle 3 mutual combination, form the function of high -efficient lathe milling compound, can significantly improve the machining precision, manufacture high -precision, high -quality complex component, and greatly shorten the production cycle, can complete more processing tasks in single time, satisfy the demand of the market for fast delivery, in addition can effectively reduce the production cost, reduce the cost of equipment occupied space and manpower.

[0053] Further: the first X-axis conveying mechanism 4 and the second X-axis conveying mechanism 5 on the rear side are arranged opposite to each other, the second X-axis conveying mechanism 5 on the front side is arranged offset to the left, and the two tool towers 6 are arranged in a diagonal direction; the two tool towers 6 can be arranged in a diagonal position, and the tool on the tool tower 6 can be aligned with the axis of the spindle 3 for feeding processing, so that the double-tool-tower 6 processing with high stability can be realized, and the production efficiency can be improved.

[0054] Further: the tool tower 6 comprises a Y-axis conveying mechanism 6.1, a positioning frame 6.2, a lifting mechanism 6.3, a turntable driver 6.4, a tool turntable 6.5 and a plurality of lathe milling tools 6.6.

[0055] 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.

[0056] 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.

[0057] The plurality of lathe milling tools 6.6 are circularly arranged and fixedly installed on the tool turntable 6.5, and the turntable driver 6.4 drives the tool turntable 6.5 to step rotate.

[0058] The lifting mechanism 6.3 is fixedly installed on the top side of the positioning frame 6.2, the turntable driver 6.4 is slidingly and movably installed in the positioning frame 6.2, the lifting mechanism 6.3 drives the turntable driver 6.4 to move up and down, and the lathe milling tool 6.6 on the tool turntable 6.5 is aligned with the axis of the spindle 3.

[0059] The principle is: the Y-axis conveying mechanism 6.1 can provide the turning and milling cutter 6.6 with the power of feeding along the Y-axis direction, the lifting mechanism 6.3 can align the turning and milling cutter 6.6 with the axis of the two main shafts 3, realize accurate machining, cooperate with the Y-axis conveying mechanism 6.1 to realize rapid feeding and retracting; in addition, when switching the turning and milling cutter 6.6, only by using the rotary table to drive the cutter rotary table 6.5 to step rotation can the corresponding turning and milling cutter 6.6 position be switched to realize rapid tool changing. When normal cutting is carried out, since the direction of the cutter rotary table 6.5 is the same as the direction of the main shaft 3, and the rotary table driver 6.4 does not completely lock the cutter rotary table 6.5, when the turning and milling cutter 6.6 hard contacts the workpiece to a certain degree, the main shaft 3 drives the cutter rotary table 6.5 to rotate to a certain amplitude through the workpiece and the turning and milling cutter 6.6. At this time, the machine tool alarms and pauses work, thereby preventing the turning and milling cutter 6.6 from breaking and reducing the cost of tool changing. When normal machining is carried out, the rotary table driver 6.4 can also have enough force to limit the angle of the cutter rotary table 6.5 to ensure the machining accuracy.

[0060] Further: the lifting mechanism 6.3 includes a lifting motor 6.31 and a second lead screw 6.32, the rotary table 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, and the second lead screw 6.32 is screwedly installed in the third threaded hole 7; the lifting motor 6.31 can drive the rotary table driver 6.4 to move up and down through the screw cooperation between the second lead screw 6.32 and the third threaded hole 7, thereby realizing the function of accurately adjusting the height, so that after switching the tool, the turning and milling cutter 6.6 can align with the axis of the main shaft 3, thereby ensuring the machining accuracy.

[0061] Further: the left and right sides of the outer side of the rotary table driver 6.4 are formed with clamping blocks 8, the left and right sides of the positioning frame 6.2 are formed with through grooves 9, the positioning frame 6.2 is arranged between the two clamping blocks 8, and the inner side of the clamping block 8 is slidably installed in the through groove 9; so that the rotary table driver 6.4 can stably ascend and descend in the positioning frame 6.2, and the stability during ascending and descending is higher.

[0062] 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.

[0063] 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.

[0064] 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.

[0065] 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.

[0066] 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.

[0067] 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 at the horizontal groove 12 and the vertical groove 13 to complete the firm installation of the turning and milling cutter 6.6.

[0068] Further, the horizontal grooves 12 and the vertical grooves 13 are perpendicular to each other.

[0069] Further, the upper surface of the workbench 2 is inclined forward, which facilitates the actual operation and observation of the machine tool.

[0070] 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.

[0071] 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.

[0072] 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.

[0073] 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.

[0074] 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.

[0075] 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.

[0076] 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.

[0077] 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.

[0078] 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-tool turret lathe device, comprising a frame, a workbench integrally formed on the frame; characterized in that A main shaft is installed in the middle above the workbench, and a second X-axis conveying mechanism is arranged on the front and rear sides of the main shaft, the second X-axis conveying mechanism is fixedly installed on the workbench, a tool turret is driven and connected and installed on the second X-axis conveying mechanism, the two tool turrets are the same structure, and the two tool turrets are arranged on the front and rear sides of the main shaft for turning and milling combined machining; Two tool turrets are arranged in a diagonal direction and aligned with the axis of the main shaft for feeding machining.

2. A dual-turret lathe apparatus as claimed in claim 1, wherein: The tool turret comprises a Y-axis conveying mechanism, a positioning frame and a turning and milling cutter, the Y-axis conveying mechanism is fixedly installed on the second X-axis conveying mechanism, the second X-axis conveying mechanism drives the Y-axis conveying mechanism to move left and right, the Y-axis conveying mechanism drives the positioning frame to move forward and backward, the turning and milling cutter is installed on the positioning frame, and the turning and milling cutters of the two tool turrets are aligned with the axis of the main shaft for feeding machining.

3. A dual turrets lathe apparatus as claimed in claim 2, wherein: A turntable driver is slidably and movably installed on the positioning frame, a cutter turntable is driven and connected and installed on the turntable driver, the turning and milling cutter is provided with a plurality of turning and milling cutters fixedly installed on the cutter turntable, and the plurality of turning and milling cutters are circularly arranged.

4. A dual-tool turret lathe apparatus as claimed in claim 3, wherein: A plurality of cutter mounting positions are circularly arranged around the outer side of the cutter turntable, an axle hole is formed in the middle of the cutter mounting position, horizontal grooves are formed on the left and right sides of the axle hole, vertical grooves are formed on the front and rear sides of the axle hole, first threaded holes are formed at four ends of the cutter mounting position, the turning and milling cutter is locked in the first threaded hole through screwing, a limiting structure is formed at the bottom of the turning and milling cutter, and the limiting structure is matched with the horizontal groove and the vertical groove.

5. A dual turrets lathe apparatus as claimed in claim 4, wherein: The limiting structure is matched and installed on the horizontal groove or the vertical groove, or the limiting structure is matched and installed on the horizontal groove and the vertical groove.

6. A dual-tool turret lathe apparatus as claimed in claim 1, wherein: The workbench is forwardly inclined.

7. A dual-tool turret lathe apparatus according to any one of claims 1-6, characterized in that: The main shaft is provided with two main shafts installed on the workbench, the two main shafts are symmetrically arranged left and right to each other, and the axes of the two main shafts are coaxially arranged.

8. A dual-tool turret lathe apparatus as claimed in claim 1, wherein: The second X-axis conveying mechanism adopts any one of a screw rod transmission mechanism, a gear and rack mechanism, a belt conveyor and a chain conveyor.

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