Cutter table structure of automatic lathe

Abstract

The utility model discloses a cutter table structure of an automatic lathe, which comprises an L-shaped sliding plate comprising a horizontal part, a vertical part, an outer circular cutter holder, a plurality of horizontal cutter grooves, a milling unit, a power head and an expansion interface of a power cutter holder, and the outer circular cutter holder is arranged on the vertical part, and the milling unit is arranged on the horizontal part. The cutting ends of the outer circle tool apron and the milling unit are close to each other and perpendicular to each other, and the end, away from the vertical part, of the horizontal part is provided with an expansion position. According to the cutter table structure of the automatic lathe, the sliding plate drives the outer circle cutter holder and the milling unit to move, the multifunctional machining use requirement is met, meanwhile, the outer circle cutter holder and the milling unit are arranged in a right-angle mode, space is saved compared with a horizontal row cutter structure, the lathe is prevented from being too large in width, and extension positions can be connected with side milling, end milling, hobbing and other types of cutter holders; end / side milling conversion of the end milling cutter base can be achieved, and the lathe machining capacity is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lathe tool platform structures, and more specifically relates to a tool platform structure of an automatic lathe. Background Art

[0002] CNC slitting machine tools are used for turning, milling and drilling of medium and small diameter shaft workpieces. They are characterized by high precision, high speed, high efficiency and multi-function. With the development of the domestic economy and the upgrading of the industrial structure, the demand for high-efficiency and high-automation slitting machine tools is increasing. World-famous slitting machine brands such as Citizen and Tsugami have set up factories in China to compete for the domestic slitting machine market.

[0003] The horizontal tool row structure and the opposed tool row structure are typical structures of automatic lathe products. The tool table layout of the horizontal tool row automatic lathe usually adopts the form of a straight line above the spindle, and the opposed tool row structure arranges the tools on both sides of the spindle. However, both are restricted by the width of the lathe, the number of tools they can accommodate is limited, and the cutting angle is single, which cannot adapt to the one-time clamping processing of turning, milling, drilling, and tapping on the front, side, and back of complex parts. Utility Model Content

[0004] The purpose of the utility model is to provide a tool table structure for an automatic lathe in view of the deficiencies in the prior art, so as to solve the problems that the existing horizontal tool structure and opposed tool structure are restricted by the width of the lathe, the number of tools they can carry and accommodate is limited, and the cutting angle is single.

[0005] In order to achieve the above-mentioned object, the utility model provides a tool table structure of an automatic lathe, comprising:

[0006] A slide plate, the slide plate is L-shaped and includes a horizontal portion and a vertical portion;

[0007] An external cylindrical tool holder, which is arranged on the vertical portion and includes a plurality of horizontal tool grooves;

[0008] A milling unit, which is arranged on the horizontal portion and includes an expansion interface of a power head and a power tool holder;

[0009] The cutting ends of the outer cylindrical tool holder and the milling unit are close to and perpendicular to each other, and an expansion position is arranged at one end of the horizontal portion away from the vertical portion.

[0010] Optionally, it also includes an inner hole tool holder, which includes a plate body and a connecting section. The inner hole tool holder is connected to the slide plate through the connecting section and is vertically installed on the right side of the milling unit. The plate body is arranged parallel to the slide plate and vertically extends out of the slide plate. The plate body is provided with a plurality of connecting holes for the inner hole tools.

[0011] Optionally, the axis of the connecting hole is perpendicular to the slide plate.

[0012] Optionally, the external cylindrical tool holder comprises:

[0013] A tool plate, on which a plurality of tool grooves are arranged at horizontal intervals;

[0014] A knife squeezing block is arranged on the side wall of the knife groove and is used to fix the knife in the knife groove.

[0015] Optionally, it also includes:

[0016] A positioning block, the positioning block is arranged at one end of the tool slot away from the milling unit, and is used to adjust the position of the tool in the length direction of the tool slot;

[0017] A wedge block, wherein the inner wall of one end of the tool groove away from the milling unit is provided with a slope, and the wedge block cooperates with the slope to squeeze and fix the positioning block.

[0018] Optionally, the milling unit comprises:

[0019] A gear transmission, the gear transmission is arranged on the horizontal part, the gear transmission is provided with a plurality of output ports, the rotating shaft of each output port is arranged vertically, the output port comprises a common port and a spare port, the common port is installed with a permanent power head, and the spare port is installed with a detachable power tool holder;

[0020] A surrounding plate is arranged on the outer periphery of the lower end of the gear transmission case, and a plurality of positioning key grooves are arranged on the outer periphery of the surrounding plate, and the positioning key grooves are used for detachable connection with the power tool holder.

[0021] Optionally, each of the positioning key grooves is arranged on the enclosure plate at intervals, and each of the positioning key grooves has a different orientation.

[0022] Optionally, the output port includes a first common port, a second common port, a first spare port, a second spare port and a third spare port arranged in sequence, and the enclosure is provided with a 0-degree positioning key groove matching the second spare port and the third spare port, and the enclosure is also provided with a 90-degree positioning key groove matching the third spare port.

[0023] Optionally, the gear box comprises:

[0024] A first idler wheel, a second idler wheel and a third idler wheel are arranged in sequence and at intervals;

[0025] A driving gear, the driving gear meshing with the first idler gear and the second idler gear, the driving gear being provided with a locking sleeve connected to the motor shaft;

[0026] a first output gear position and a second output gear position, wherein the first output gear position and the second output gear position are matched with the first common port and the second common port respectively, and the first output gear position and the second output gear position are respectively provided with a first output gear and a second output gear which are only meshed with the first idler gear, and the first output gear and the second output gear are respectively connected with the power heads in the first common port and the second common port;

[0027] a third output gear position, the third output gear position being matched with the first spare port, the third output gear position being detachably connected to a third output gear position that is only meshed with the second idler gear;

[0028] a fourth output gear position, the fourth output gear position being matched with the second spare port, the fourth output gear position being detachably connected with a fourth output gear meshing with the second idler gear and the third idler gear at the same time;

[0029] a fifth output gear position, the fifth output gear position being matched with the third spare port, the fifth output gear position being detachably connected with a fifth output gear which is only meshed with the third idler gear;

[0030] The third output gear, the fourth output gear, and the fifth output gear are respectively driving gears of the power tool holder.

[0031] Optionally, the power tool holder includes an end milling cutter holder and a hobbing cutter holder.

[0032] The utility model provides a tool table structure of an automatic lathe, which has the following beneficial effects:

[0033] The tool table structure of the automatic lathe drives the external cylindrical tool holder and the milling unit to move through the slide plate, which meets the needs of multi-functional processing and makes the two set at right angles. The relative horizontal tool structure saves space and avoids the lathe from being too wide. The extension position can be connected to tool holders of side milling, end milling, gear hobbing and other types, and can realize the end / side milling conversion of the end mill tool holder, thereby improving the processing capacity of the lathe.

[0034] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0036] Figure 1 A structural schematic diagram of a tool table structure of an automatic lathe according to an embodiment of the utility model is shown.

[0037] Figure 2 A structural schematic diagram of an outer cylindrical tool holder of a tool table structure of an automatic lathe according to an embodiment of the utility model is shown.

[0038] Figure 3 The utility model shows a tool table structure of an automatic lathe according to an embodiment of the present invention. Figure 2 Side view of.

[0039] Figure 4 A structural schematic diagram of a milling unit of a tool table structure of an automatic lathe according to an embodiment of the utility model is shown.

[0040] Figure 5 The utility model shows a tool table structure of an automatic lathe according to an embodiment of the present invention. Figure 4 Bottom view of .

[0041] Figure 6 A schematic structural diagram of a gear transmission of a tool table structure of an automatic lathe according to an embodiment of the utility model is shown.

[0042] Description of reference numerals:

[0043] 1. Slide plate; 2. External cylindrical tool holder; 3. Milling unit; 4. Internal hole tool holder;

[0044] 2.1, tool plate; 2.2, squeeze knife block; 2.3, wedge block; 2.4, positioning block;

[0045] 3.1, gearbox; 3.2, first common port; 3.3, second common port; 3.4, first spare port; 3.5, second spare port; 3.6, third spare port; 3.7, positioning keyway;

[0046] 3.10, first output gear position; 3.11, second output gear position; 3.12, third output gear position; 3.13, fourth output gear position; 3.14, fifth output gear position; 3.15, first idler gear; 3.16, driving gear; 3.17, second idler gear; 3.18, third idler gear. DETAILED DESCRIPTION

[0047] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0048] like Figure 1-6As shown, a tool table structure of an automatic lathe comprises:

[0049] The slide plate 1 is L-shaped and includes a horizontal portion and a vertical portion;

[0050] An outer cylindrical tool holder 2, which is arranged on the vertical portion and includes a plurality of horizontal tool grooves;

[0051] The milling unit 3 is arranged on the horizontal part, and includes an expansion interface of a power head and a power tool holder;

[0052] The cutting ends of the external cylindrical tool holder 2 and the milling unit 3 are close to each other and perpendicular, and an expansion position is provided at one end of the horizontal portion away from the vertical portion.

[0053] Specifically, the slide plate 1 drives the external cylindrical tool holder 2 and the milling unit 3 to move, thereby meeting the needs of multi-functional processing. At the same time, the two are arranged at right angles, which saves space relative to the horizontal tool structure and avoids the lathe from being too wide. The extended position can be connected to tool holders of side milling, end milling, gear hobbing and other types, and can realize the end / side milling conversion of the end mill tool holder, thereby improving the processing capacity of the lathe.

[0054] In this embodiment, an inner hole tool holder 4 is also included. The inner hole tool holder 4 includes a plate body and a connecting section. The inner hole tool holder 4 is connected to the slide plate 1 through the connecting section and is vertically installed on the right side of the milling unit 3. The plate body is arranged parallel to the slide plate 1 with a gap and vertically protrudes out of the slide plate 1. A plurality of connecting holes for the inner hole tools are arranged on the plate body.

[0055] Specifically, the inner hole tool holder 4 is connected via the extension position to adapt to the processing of continuous inner holes.

[0056] In this embodiment, the axis of the connecting hole is perpendicular to the slide plate 1 .

[0057] Specifically, the outer cylindrical tool holder 2 is located on the left side of the lathe rotating axis and is used for processing the outer periphery or cutting; the inner hole tool holder 4 is used for axial inner hole processing; the milling unit 3 is located on the upper side of the lathe rotating axis and is used for milling or drilling.

[0058] In this embodiment, the outer cylindrical tool holder 2 comprises:

[0059] A tool plate 2.1, on which a plurality of tool grooves are arranged at horizontal intervals;

[0060] The knife squeezing block 2.2 is arranged on the side wall of the knife groove and is used to fix the knife in the knife groove.

[0061] Specifically, the tool is accommodated by the tool groove, and the tool is squeezed and fixed by the tool squeezing block 2.2.

[0062] Furthermore, the cutter block 2.2 squeezes and fixes the cutter through a bolt assembly.

[0063] In this embodiment, it also includes:

[0064] A positioning block 2.4, which is arranged at one end of the tool slot away from the milling unit 3 and is used to adjust the position of the tool in the tool slot in the length direction;

[0065] The wedge block 2.3 and the inner wall of the end of the tool groove away from the milling unit 3 are provided with a slope, and the wedge block 2.3 cooperates with the slope to squeeze and fix the positioning block 2.4.

[0066] Specifically, the wedge block 2.3 cooperates with the slope to squeeze and fix the positioning block 2.4, and the positioning block 2.4 supports the tool in the tool groove to prevent the tool from moving in the tool groove during cutting.

[0067] Furthermore, different tool lengths can be accommodated by replacing positioning blocks 2.4 of different lengths.

[0068] In this embodiment, the milling unit 3 includes:

[0069] The gearbox 3.1 is arranged on the horizontal part, and is provided with a plurality of output ports, and the rotating shaft of each output port is arranged vertically, and the output ports include a common port and a spare port, and the common port is provided with a permanent power head, and the spare port is provided with a detachable power tool holder;

[0070] The enclosure plate is arranged on the outer periphery of the lower end of the gear transmission box, and a plurality of positioning key grooves 3.7 are arranged on the outer periphery of the enclosure plate. The positioning key grooves 3.7 are used for detachable connection with the power tool holder.

[0071] Specifically, the multiple output ports of the gear transmission are adapted to the use of different milling cutters, and the enclosure is installed with a power tool holder through a positioning key slot 3.7, and then the power is transmitted through the output port.

[0072] In this embodiment, the positioning key grooves 3.7 are arranged at intervals on the enclosure plate, and the orientations of the positioning key grooves 3.7 are different.

[0073] Specifically, the positioning keyways 3.7 facing in different angles enable the installed power tool holder to adapt to processing at different angles.

[0074] In this embodiment, the output port includes a first common port 3.2, a second common port 3.3, a first spare port 3.4, a second spare port 3.5 and a third spare port 3.6 arranged in sequence, and a 0-degree positioning key groove 3.7 matching the second spare port 3.5 and the third spare port 3.6 is provided on the enclosure, and a 90-degree positioning key groove 3.7 matching the third spare port 3.6 is also provided on the enclosure.

[0075] Specifically, the 0-degree and 90-degree positioning keyways 3.7 can meet the processing requirements at different angles.

[0076] In this embodiment, the gearbox 3.1 comprises:

[0077] A first idler wheel 3.15, a second idler wheel 3.17 and a third idler wheel 3.18 are arranged in sequence and at intervals;

[0078] A driving gear 3.16, the driving gear 3.16 is meshed with the first idler gear 3.15 and the second idler gear 3.17, and the driving gear 3.16 is provided with a locking sleeve connected to the motor shaft;

[0079] A first output gear position 3.10 and a second output gear position 3.11, the first output gear position 3.10 and the second output gear position 3.11 are matched with the first common port and the second common port respectively, the first output gear position 3.10 and the second output gear position 3.11 are respectively provided with a first output gear and a second output gear which are only meshed with the first idler gear 3.15, and the first output gear and the second output gear are respectively connected to the power heads in the first common port and the second common port;

[0080] A third output gear position 3.12, the third output gear position 3.12 cooperates with the first spare port, and the third output gear position 3.12 is detachably connected with a third output gear that only meshes with the second idler gear 3.17;

[0081] A fourth output gear position 3.13, the fourth output gear position 3.13 cooperates with the second spare port, and the fourth output gear position 3.13 is detachably connected with a fourth output gear that meshes with the second idler gear 3.17 and the third idler gear 3.18 at the same time;

[0082] A fifth output gear position 3.14, the fifth output gear position 3.14 cooperates with the third spare port, and the fifth output gear position 3.14 is detachably connected with a fifth output gear that only meshes with the third idler gear 3.18;

[0083] The third output gear, the fourth output gear and the fifth output gear are respectively driving gears of the power tool holder.

[0084] In this embodiment, when a tool table structure of an automatic lathe is used, the use of an automatic lathe is taken as an example:

[0085] like Figure 1 As shown, the skateboard 1, the outer cylindrical tool holder 2, the milling unit 3, and the inner hole tool holder 4 are composed. The skateboard 1 adopts an "L"-shaped structure. The milling unit 3 and the inner hole tool holder 4 are installed on the skateboard body in sequence horizontally, and the outer cylindrical tool holder 2 is vertically installed on the cantilever extending downward from the left side of the skateboard.

[0086] like Figure 2-3As shown, the tool plate 2.1 is provided with a plurality of tool grooves, and one side of the tool groove is an inclined surface. The tool positioning block 2.4 is placed at the tail end of the groove, and the wedge block 2.3 is screwed to the tool plate 2.1, and the inclined surface of the wedge block 2.3 contacts the inclined surface of the groove. Under the action of the screw pressure, the wedge block 2.3 squeezes the tool positioning block 2.4 against the groove to fix the tool positioning block 2.4. The tool positioning block 2.4 can be replaced and adjusted according to the length of the tool. The external cylindrical tool is placed in the groove, and the tail contacts the positioning block 2.4 to achieve positioning. Similar to the wedge block 2.3, the squeezer block 2.2 squeezes the external cylindrical tool against the groove under the action of its mounting screws to fix the external cylindrical tool. Two disassembly top screws are provided on the squeezer block 2.2 to facilitate the removal of the squeezing force of the squeezer block when disassembling the tool.

[0087] like Figure 4-5 As shown, the milling unit 3 is composed of a gearbox 3.1 and two integrated power heads, and the two integrated power heads are connected to the first common port 3.2 and the second common port 3.3. The motor drives the power head through the gearbox 3.1. The gearbox 3.1 is provided with three power tool holder expansion stations, the first expansion station is composed of the first matching port 3.4; the second expansion station is composed of the second spare port 3.5 and a 0-degree positioning keyway 3.7; the third expansion station is composed of the third spare port 3.6 and a positioning keyway 3.7 that is 0 degrees to each other and a 90-degree positioning keyway 3.7. The tool holder shaft of the power tool holder can be inserted into the gearbox 3.1 from any of the first spare port 3.4, the second spare port 3.5 and the third spare port 3.6, and the tool holder is positioned by the cooperation of the tool holder shaft with any of the first spare port 3.4, the second spare port 3.5 and the third spare port 3.6. In addition, the positioning key of the end milling power tool holder is inserted into the positioning keyway 3.7 to complete the angular positioning of the end milling power tool holder. The 0-degree positioning keyway 3.7 is used for 0-degree installation of the end milling power tool holder, and the 90-degree positioning keyway 3.7 is used for 90-degree installation of the end milling power tool holder, so as to realize the end / side milling conversion of the end milling power tool holder.

[0088] like Figure 6As shown, the driving gear 3.16 is connected to the motor shaft via a shrink sleeve and meshes with the first idler gear 3.15 and the second idler gear 3.17. The power head of the first common port 3.2 and the second common port 3.3 is driven by the driving gear 3.16 through the first output gear and the second output gear in the first output gear position 3.10 and the second output gear position 3.11 thereon meshing with the first idler gear 3.15; when the power tool holder is installed on the first and second spare ports, the third output gear and the fourth output gear in the third output gear position 3.12 and the fourth output gear position 3.13 on the power tool holder will mesh with the second idler gear 3.17, and the power tool holder is driven by the driving gear 3.16 via the second idler gear 3.17; when the power tool holder is installed on the third spare port, the fifth output gear in the fifth output gear position 3.14 on the power tool holder meshes with the third idler gear 3.18, and when the power tool holder is installed on the second spare port at the same time, the third idler gear 3.18 can mesh with the fourth output gear in the fourth output gear position 3.13, and then be driven by the driving gear 3.16 through the meshing of the fourth output gear and the second idler gear 3.17.

[0089] The various embodiments of the utility model have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A tool table structure of an automatic lathe, characterized in that: include: A slide plate, the slide plate is L-shaped and includes a horizontal portion and a vertical portion; An external cylindrical tool holder, which is arranged on the vertical portion and includes a plurality of horizontal tool grooves; A milling unit, which is arranged on the horizontal portion and includes an expansion interface of a power head and a power tool holder; The cutting ends of the outer cylindrical tool holder and the milling unit are close to and perpendicular to each other, and an expansion position is arranged at one end of the horizontal portion away from the vertical portion.

2. The tool table structure of an automatic lathe according to claim 1, characterized in that: It also includes an inner hole tool holder, which includes a plate body and a connecting section. The inner hole tool holder is connected to the slide plate through the connecting section and is vertically installed on the right side of the milling unit. The plate body is arranged parallel to the slide plate and vertically protrudes from the slide plate. A plurality of connecting holes for the inner hole tools are arranged on the plate body.

3. The tool table structure of an automatic lathe according to claim 2, characterized in that: The axis of the connecting hole is perpendicular to the slide plate.

4. The tool table structure of an automatic lathe according to claim 1, characterized in that: The external cylindrical tool holder comprises: A tool plate, on which a plurality of tool grooves are arranged at horizontal intervals; A knife squeezing block is arranged on the side wall of the knife groove and is used to fix the knife in the knife groove.

5. The tool table structure of an automatic lathe according to claim 4, characterized in that: Also includes: A positioning block, the positioning block is arranged at one end of the tool slot away from the milling unit, and is used to adjust the position of the tool in the length direction of the tool slot; A wedge block, wherein the inner wall of one end of the tool groove away from the milling unit is provided with a slope, and the wedge block cooperates with the slope to squeeze and fix the positioning block.

6. The tool table structure of an automatic lathe according to claim 1, characterized in that: The milling unit comprises: A gear transmission, the gear transmission is arranged on the horizontal part, the gear transmission is provided with a plurality of output ports, the rotating shaft of each output port is arranged vertically, the output port comprises a common port and a spare port, the common port is installed with a permanent power head, and the spare port is installed with a detachable power tool holder; A surrounding plate is arranged on the outer periphery of the lower end of the gear transmission case, and a plurality of positioning key grooves are arranged on the outer periphery of the surrounding plate, and the positioning key grooves are used for detachable connection with the power tool holder.

7. The tool table structure of an automatic lathe according to claim 6, characterized in that: The positioning key grooves are arranged on the enclosure plate at intervals, and the orientations of the positioning key grooves are different.

8. The tool table structure of an automatic lathe according to claim 7, characterized in that: The output port includes a first common port, a second common port, a first spare port, a second spare port and a third spare port arranged in sequence, and the enclosure is provided with a 0-degree positioning key groove matching the second spare port and the third spare port, and the enclosure is also provided with a 90-degree positioning key groove matching the third spare port.

9. The tool table structure of an automatic lathe according to claim 8, characterized in that: The gearbox comprises: A first idler wheel, a second idler wheel and a third idler wheel are arranged in sequence and at intervals; A driving gear, the driving gear meshing with the first idler gear and the second idler gear, the driving gear being provided with a locking sleeve connected to the motor shaft; a first output gear position and a second output gear position, wherein the first output gear position and the second output gear position are matched with the first common port and the second common port respectively, and the first output gear position and the second output gear position are respectively provided with a first output gear and a second output gear which are only meshed with the first idler gear, and the first output gear and the second output gear are respectively connected with the power heads in the first common port and the second common port; a third output gear position, the third output gear position being matched with the first spare port, the third output gear position being detachably connected with a third output gear that is only meshed with the second idler gear; a fourth output gear position, the fourth output gear position being matched with the second spare port, the fourth output gear position being detachably connected with a fourth output gear meshing with the second idler gear and the third idler gear at the same time; a fifth output gear position, the fifth output gear position being matched with the third spare port, the fifth output gear position being detachably connected with a fifth output gear which is only meshed with the third idler gear; The third output gear, the fourth output gear, and the fifth output gear are respectively driving gears of the power tool holder.

10. The tool table structure of an automatic lathe according to claim 1, characterized in that: The power tool holder includes an end milling tool holder and a hobbing tool holder.

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