High-rigidity tool rest of combined machining lathe

Abstract

The invention relates to the technical field of lathes, in particular to a high-rigidity tool rest of a combined machining lathe, which is characterized in that a T-shaped groove is formed in the surface of a tool turret, telescopic grooves are formed in two sides of the T-shaped groove, and second positioning plates are arranged in the telescopic grooves; the power head pedestal is inserted into the T-shaped groove, and first positioning plates are arranged on the two sides of the power head pedestal; the servo motor is arranged on one side of the power head pedestal, and a motor output shaft is arranged at one end of the servo motor; by arranging the power head with the switchable state, when tools of the same model need to be switched to the longitudinal position in the transverse direction, the power head rotating shaft is driven to rotate through the output shaft of the motor, and when the power head rotates by 90 degrees and is switched to the longitudinal position, the locking block enters the second locking groove, so that the power head is fixed to the longitudinal position; switching of transverse and longitudinal positions of tools of the same model is achieved, two sets of tools of the same model do not need to be installed on the tool turret, the utilization rate of the tool turret is improved, switching is short, and machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lathe, in particular to a high-rigidity tool holder of a compound machining lathe. BACKGROUND

[0002] The high-rigidity tool holder of the compound machining lathe is one of the core functional components of the numerical control lathe, mainly used for installing and fixing various cutting tools, and realizing accurate positioning and rapid tool changing during machining. As the key intermediate device connecting the main shaft of the machine tool and the tool, the structural rigidity and dynamic performance of the tool holder directly affect the machining accuracy, surface quality and production efficiency. The existing tool holder of the compound machining lathe mainly adopts the turret type, installs the tool on each station of the tool turret, and realizes automatic switching of the tool through the servo motor driven indexing mechanism. However, the horizontal and vertical switching of the same type of tool requires installing two groups of the same type of tool in a horizontal and vertical manner on the tool turret, which reduces the utilization rate of the tool turret, and the stroke of the rotating tool turret is large during switching, resulting in low machining efficiency. SUMMARY

[0003] The purpose of the present application is to provide a high-rigidity tool holder of a compound machining lathe to solve the problems raised in the background art.

[0004] To achieve the above purpose, the present application provides the following technical scheme: A high-rigidity tool holder of a compound machining lathe, comprising: A tool turret, a T-shaped slot is formed on the surface of the tool turret, two expansion slots are formed on the two sides of the T-shaped slot, and a second positioning plate is arranged inside the expansion slot. A power head pedestal is inserted into the inside of the T-shaped slot, first positioning plates are arranged on the two sides of the power head pedestal, a power head turnover slot is formed on the surface of the power head pedestal, a power head is arranged inside the power head turnover slot, power head shafts are connected to the two sides of the power head, and a tool chuck is arranged at one end of the power head. A servo motor is arranged on one side of the power head pedestal, an output shaft of the servo motor is arranged at one end of the servo motor, and the output shaft of the servo motor is connected to the power head shaft on one side of the power head.

[0005] Preferably, a bearing seat is fixedly installed on the surface of the tool turret, the bearing seat is arranged on the two sides of the T-shaped slot, and a locking screw is rotatably connected inside the bearing seat.

[0006] Preferably, a plurality of sets of positioning blocks are fixedly arranged on the surface of the second positioning plate, two sets of telescopic rods are fixedly connected to the side of the second positioning plate away from the positioning blocks, a pressing plate is fixedly connected to the outer side of the telescopic rods after extension, a threaded hole is formed in the surface of the pressing plate, and the pressing plate is screwed to the surface of the locking screw through the threaded hole.

[0007] Preferably, a plurality of sets of positioning grooves are formed in the surface of the first positioning plate, the positioning grooves are arranged correspondingly to the positioning blocks, and the positioning grooves and the positioning blocks are matched to fix the power head pedestal in the T-shaped groove.

[0008] Preferably, side baffles are symmetrically arranged on the two sides of the power head overturning groove, shaft hole are arranged on the two sides of the power head overturning groove, a first locking groove and a second locking groove are formed in the inner wall of the shaft hole on one side of the power head overturning groove, a first outer guide plate and a second outer guide plate are arranged on the outer side of the shaft hole, and a motor support is fixedly installed on the side of the power head pedestal close to the first outer guide plate.

[0009] Preferably, the power head shaft is rotatably arranged in the shaft hole through a bearing, a connecting shaft fixing groove and a locking pin telescopic groove are formed in the surface of the power head shaft close to the first locking groove, a locking pin guide rod is fixedly installed in the locking pin telescopic groove, and a locking pin is arranged in the locking pin telescopic groove.

[0010] Preferably, a locking pin guide hole is formed in the locking pin, the locking pin is slidably sleeved on the surface of the locking pin guide rod through the locking pin guide hole, a compression spring is arranged on the side of the locking pin close to the power head, and a locking block is fixedly arranged on the surface of the locking pin.

[0011] Preferably, the servo motor is fixedly installed on the surface of the motor support, and the motor output shaft is arranged at one end of the servo motor close to the power head pedestal.

[0012] Preferably, a first inner guide plate and a second inner guide plate are fixedly arranged in the motor output shaft, a connecting shaft pin telescopic groove is formed in the inner wall of the servo motor, a connecting shaft pin guide rod is fixedly installed in the connecting shaft pin telescopic groove, and a connecting shaft pin is slidably arranged in the connecting shaft pin telescopic groove.

[0013] Preferably, a connecting shaft pin guide hole is formed in the connecting shaft pin, the connecting shaft pin is slidably sleeved on the surface of the connecting shaft pin guide rod through the connecting shaft pin guide hole, a compression spring is arranged on the side of the connecting shaft pin close to the servo motor, and a connecting shaft block is fixedly arranged on the surface of the connecting shaft pin.

[0014] Compared with the prior art, the present application has the following advantages: 1. By setting the power head with switchable state, when the transverse of the same type cutter needs to be switched to the longitudinal position, the motor output shaft drives the power head rotating shaft to rotate, when the power head rotates ninety degrees and switches to the longitudinal position, the connecting shaft pin is pushed into the inside of the connecting shaft pin telescopic slot by the first outer guide plate, so that the connecting shaft block is separated from the inside of the connecting shaft fixed slot, at this time the motor output shaft continues to rotate fifteen degrees, drives the second inner guide plate to extrude the locking pin, so that the locking block enters the inside of the second locking slot, thereby fixing the power head in the longitudinal position, realizing the transverse and longitudinal position switching of the same type cutter, without installing two groups of same type cutters on the tool turret, improving the utilization rate of the tool turret, and the switching is short, improving the processing efficiency.

[0015] 2. By setting multiple groups of positioning blocks and positioning grooves, by fixing the positioning blocks in the inside of different positioning grooves, the position change of the power head base in the T-shaped slot is realized, which is convenient for fine adjustment of the position of the cutter according to the need, and improves the practicability of the tool holder. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the application; Figure 2 It is the overall structure schematic diagram of the application; Figure 1 It is the enlarged schematic diagram of A in the application; Figure 3 It is the enlarged schematic diagram of B in the application; Figure 1 Figure 4 It is the power head base structure schematic diagram of the application; Figure 5 It is the second positioning plate structure schematic diagram of the application; Figure 6 It is the motor output shaft structure schematic diagram of the application; Figure 7 It is the connecting shaft pin structure schematic diagram of the application; Figure 8 It is the power head structure schematic diagram of the application; Figure 9 It is the locking pin structure schematic diagram of the application.

[0017] ​In the figure: tool turret 1, T-shaped slot 11, telescopic slot 12, bearing seat 13, locking screw 14, power head pedestal 2, first positioning plate 21, positioning slot 22, power head overturning slot 23, side baffle 24, motor support 25, rotating shaft hole 26, first locking slot 261, second locking slot 262, first outer guide plate 27, second outer guide plate 28, power head 3, power head rotating shaft 31, shaft coupling fixing slot 311, locking pin telescopic slot 32, locking pin guide rod 321, locking pin 33, locking block 331, locking pin guide hole 332, tool chuck 34, servo motor 4, motor output shaft 41, first inner guide plate 42, second inner guide plate 43, connecting shaft pin telescopic slot 44, connecting shaft pin guide rod 441, connecting shaft pin 45, connecting shaft pin guide hole 451, connecting shaft block 452, second positioning plate 5, positioning block 51, telescopic rod 52, pressing plate 53, threaded hole 54. DETAILED DESCRIPTION

[0018] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail in conjunction with the accompanying drawings.

[0019] It should be noted that in the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in other ways different from those described herein, and therefore the scope of protection of the present application is not limited by the specific embodiments disclosed below.

[0020] In addition, in the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" 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.

[0021] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. However, it is noted that direct connection means that the connection between the two main bodies does not form a connection relationship through an excessive structure, but is connected only through a connection structure to form a whole. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples.

[0023] Please refer to the accompanying Figure 1 to the drawings Figure 9 The present application provides a high-rigidity tool holder of a compound processing lathe, comprising: A tool tower 1, a T-shaped groove 11 is formed on the surface of the tool tower 1, a bearing seat 13 is fixedly installed on the surface of the tool tower 1, the bearing seat 13 is arranged on both sides of the T-shaped groove 11, a locking screw 14 is rotatably connected in the bearing seat 13, an expansion groove 12 is formed on both sides of the T-shaped groove 11, a second positioning plate 5 is arranged in the expansion groove 12, a plurality of positioning blocks 51 are fixedly arranged on the surface of the second positioning plate 5, two groups of expansion rods 52 are fixedly connected to the side of the second positioning plate 5 away from the positioning blocks 51, a pressing plate 53 is fixedly connected to the outside of the tool tower 1 after the expansion rods 52 extend, a threaded hole 54 is formed on the surface of the pressing plate 53, and the pressing plate 53 is screwed on the surface of the locking screw 14 through the threaded hole 54; A power head support 2 is inserted into the T-shaped groove 11. First positioning plates 21 are provided on both sides of the power head support 2. Multiple positioning grooves 22 are formed on the surface of the first positioning plates 21, corresponding to positioning blocks 51. The positioning grooves 22 and positioning blocks 51 cooperate to fix the power head support 2 inside the T-shaped groove 11. A power head flipping groove 23 is formed on the surface of the power head flipping groove 23. Side baffles 24 are symmetrically arranged on both sides of the power head flipping groove 23. Rotary shaft holes 26 are provided on both sides of the power head flipping groove 23. A first locking groove 261 and a second locking groove 262 are formed on the inner wall of the rotating shaft hole 26 on one side of the power head flipping groove 23. A first outer guide plate 27 and a second outer guide plate 28 are provided on the outer side of the rotating shaft hole 26. The power head support 2 is fixedly mounted on the side closest to the first outer guide plate 27. The device is equipped with a motor bracket 25. A power head 3 is installed inside the power head tilting groove 23. Power head shafts 31 are connected to both sides of the power head 3. The power head shafts 31 are rotatably mounted inside the shaft hole 26 via bearings. A coupling fixing groove 311 and a locking pin telescopic groove 32 are opened on the surface of the power head shaft 31 near the first locking groove 261. A locking pin guide rod 321 is fixedly installed inside the locking pin telescopic groove 32. A locking pin 33 is installed inside the locking pin telescopic groove 32. A locking pin guide hole 332 is opened inside the locking pin 33. The locking pin 33 is slidably sleeved on the surface of the locking pin guide rod 321 through the locking pin guide hole 332. A compression spring is provided on the side of the locking pin 33 near the power head 3. A locking block 331 is fixedly provided on the surface of the locking pin 33. A tool chuck 34 is provided at one end of the power head 3. A servo motor 4 is disposed on one side of the power head base 2 and fixedly mounted on the surface of the motor bracket 25. A motor output shaft 41 is disposed at one end of the servo motor 4 near the power head base 2. The motor output shaft 41 is connected to the power head shaft 31 on one side of the power head 3. A first inner guide plate 42 and a second inner guide plate 43 are fixedly disposed inside the motor output shaft 41. The inner wall of 4 is provided with a connecting pin telescopic groove 44. A connecting pin guide rod 441 is fixedly installed inside the connecting pin telescopic groove 44. A connecting pin 45 is slidably arranged inside the connecting pin telescopic groove 44. A connecting pin guide hole 451 is provided inside the connecting pin 45. The connecting pin 45 is slidably sleeved on the surface of the connecting pin guide rod 441 through the connecting pin guide hole 451. A compression spring is provided on the side of the connecting pin 45 near the servo motor 4. A connecting block 452 is fixedly arranged on the surface of the connecting pin 45.

[0024] The high-rigidity tool rest of the composite machining lathe is proposed in the application, in use, the power head base 2 and the first positioning plate 21 are inserted into the inside of the T-shaped slot 11, the first positioning plate 21 is located at the bottom of the second positioning plate 5, the locking screw 14 is rotated to drive the pressing plate 53 to move towards the direction of the tool tower 1, the second positioning plate 5 is driven by the pressing plate 53 through the telescopic rod 52 to move towards the direction of the first positioning plate 21, the positioning block 51 is inserted into the inside of the positioning slot 22, so as to fix the power head base 2 in the inside of the T-shaped slot 11; The tool is fixedly connected with the power head 3 through the tool holder 34, when it is needed to switch the transverse position of the same type tool to the longitudinal position, the servo motor 4 is started to drive the motor output shaft 41 to rotate, when the connecting shaft pin telescopic slot 44 is aligned with the locking pin 33, the connecting shaft pin 45 is moved to the slope of the second outer guide plate 28, so that the connecting shaft block 452 is inserted into the inside of the connecting shaft fixed slot 311, at this time, the motor output shaft 41 drives the power head rotating shaft 31 to rotate through the connecting shaft block 452, when the power head 3 is switched to the longitudinal position by rotating ninety degrees, the connecting shaft pin 45 is pressed into the inside of the connecting shaft pin telescopic slot 44 by the first outer guide plate 27, so that the connecting shaft block 452 is separated from the inside of the connecting shaft fixed slot 311, at this time, the motor output shaft 41 is continuously rotated by fifteen degrees to drive the second inner guide plate 43 to press the locking pin 33, so that the locking block 331 is inserted into the inside of the second locking slot 262, thereby fixing the power head 3 in the longitudinal position, realizing the switching of the transverse and longitudinal positions of the same type tool, without the need to install two groups of same type tools on the tool tower 1, the utilization rate of the tool tower 1 is improved, and the switching is short, thereby improving the machining efficiency.

[0025] As a further improvement of the application, by setting a plurality of positioning blocks 51 and positioning slots 22, by fixing the positioning blocks 51 in the inside of different positioning slots 22, the position change of the power head base 2 in the inside of the T-shaped slot 11 is realized, the position of the tool is conveniently fine-tuned according to the need, and the practicability of the tool rest is improved.

[0026] Working principle: the high rigidity tool holder of the composite machining lathe provided by the application is used, the power head base 2 and the first positioning plate 21 are inserted into the inside of the T-shaped groove 11, the first positioning plate 21 is located at the bottom of the second positioning plate 5, the locking screw 14 is rotated to drive the pressing plate 53 to move towards the direction of the tool tower 1, the second positioning plate 5 is driven by the telescopic rod 52 to move towards the direction of the first positioning plate 21, the positioning block 51 is inserted into the inside of the positioning groove 22, so that the power head base 2 is fixed in the inside of the T-shaped groove 11, the cutter is fixedly connected with the power head 3 through the cutter chuck 34, when it is required to switch the transverse direction of the same type cutter to the longitudinal direction, the servo motor 4 is started to drive the motor output shaft 41 to rotate, when the connecting shaft pin telescopic groove 44 is aligned with the locking pin 33, the connecting shaft pin 45 is moved to the slope of the second outer guide plate 28, so that the connecting shaft block 452 is inserted into the inside of the connecting shaft fixed groove 311, at this time, the motor output shaft 41 drives the power head rotating shaft 31 to rotate through the connecting shaft block 452, when the power head 3 is rotated by ninety degrees to switch to the longitudinal position, the connecting shaft pin 45 is pressed into the inside of the connecting shaft pin telescopic groove 44 by the first outer guide plate 27, so that the connecting shaft block 452 is separated from the inside of the connecting shaft fixed groove 311, at this time, the motor output shaft 41 continues to rotate by fifteen degrees to drive the second inner guide plate 43 to press the locking pin 33, so that the locking block 331 is inserted into the inside of the second locking groove 262, thereby fixing the power head 3 in the longitudinal position, and the transverse and longitudinal positions of the same type cutter are switched.

[0027] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to suggest that the scope (including the claims) of the application be limited to these examples; under the concept of the application, the above embodiments or technical features in different embodiments can also be combined, steps can be implemented in any order, and there are many other changes of different aspects of the application as described above, which are not provided in detail for the sake of brevity.

[0028] The present application is intended to cover all such changes and modifications that come within the scope of the appended claims and their equivalents. Accordingly, any and all such changes, modifications, variations, improvements, etc. made in the present application as long as they come within the scope of the application along with its sprit and principles should be included in the scope of the application.

Claims

1. A high rigidity tool holder for a compound machining lathe, characterized by, Include: The tool turret (1), the surface of the tool turret (1) is provided with T-shaped slot (11), the both sides of T-shaped slot (11) are provided with telescopic slot (12), the inside of telescopic slot (12) is provided with second positioning plate (5); Power head pedestal (2), the power head pedestal (2) is inserted in the inside of T-shaped slot (11), the both sides of power head pedestal (2) are provided with first positioning plate (21), the surface of power head pedestal (2) is provided with power head turnover slot (23), the inside of power head turnover slot (23) is provided with power head (3), the both sides of power head (3) are connected with power head shaft (31), one end of power head (3) is provided with tool holder (34); Servo motor (4), the servo motor (4) is arranged on one side of power head pedestal (2), one end of servo motor (4) is provided with motor output shaft (41), the motor output shaft (41) is connected with the power head shaft (31) on one side of power head (3).

2. The high rigidity tool holder of a compound lathe machine according to claim 1, wherein, The surface of the tool turret (1) is fixedly installed with bearing seat (13), the bearing seat (13) is arranged on both sides of the T-shaped slot (11), the inside of the bearing seat (13) is rotatably connected with locking screw rod (14).

3. The high rigidity tool holder of a compound lathe machine according to claim 2, wherein, The surface of the second positioning plate (5) is fixedly provided with a plurality of positioning blocks (51), the side of the second positioning plate (5) away from the positioning block (51) is fixedly connected with two groups of telescopic rods (52), the telescopic rod (52) is fixedly connected with the pressing plate (53) after extending to the outside of the tool turret (1), the surface of the pressing plate (53) is provided with threaded hole (54), the pressing plate (53) is screwed on the surface of the locking screw rod (14) through the threaded hole (54).

4. The high rigidity tool holder of a compound lathe machine according to claim 3, wherein, The surface of the first positioning plate (21) is provided with a plurality of positioning grooves (22), the positioning groove (22) is correspondingly arranged with the positioning block (51), the positioning groove (22) and the positioning block (51) are matched to fix the power head pedestal (2) in the inside of the T-shaped slot (11).

5. The high rigidity tool holder of a compound lathe machine according to claim 1, wherein, The both sides of the power head turnover slot (23) are symmetrically provided with side baffle (24), the both sides of the power head turnover slot (23) are provided with shaft hole (26), the inner wall of the shaft hole (26) on one side of the power head turnover slot (23) is provided with first locking groove (261) and second locking groove (262), and the outside of the shaft hole (26) is provided with first outer guide plate (27) and second outer guide plate (28), the side of the power head pedestal (2) close to the first outer guide plate (27) is fixedly installed with motor bracket (25).

6. The high rigidity tool holder of a combined machine lathe according to claim 5, characterized in that, The power head rotating shaft (31) is rotatably arranged in the rotating shaft hole (26) through a bearing, and the surface of the power head rotating shaft (31) near one side of the first locking groove (261) is provided with a shaft fixing groove (311) and a locking pin telescopic groove (32).

7. The high rigidity tool holder of a combined machine lathe according to claim 6, characterized in that, The inside of the locking pin (33) is provided with a locking pin guide hole (332), the locking pin (33) is slidably arranged on the surface of the locking pin guide rod (321) through the locking pin guide hole (332), one side of the locking pin (33) near the power head (3) is provided with a compression spring, and the surface of the locking pin (33) is fixedly provided with a locking block (331).

8. The high rigidity tool holder of a combined machine lathe according to claim 5, characterized in that, The servo motor (4) is fixedly installed on the surface of the motor support (25), and the motor output shaft (41) is arranged at one end of the servo motor (4) near the power head pedestal (2).

9. The high rigidity tool holder of a combined machine lathe according to claim 8, characterized in that, The inside of the motor output shaft (41) is fixedly provided with a first inner guide plate (42) and a second inner guide plate (43), the inner wall of the servo motor (4) is provided with a shaft pin telescopic groove (44), the inside of the shaft pin telescopic groove (44) is fixedly installed with a shaft pin guide rod (441), and the inside of the shaft pin telescopic groove (44) is slidably provided with a shaft pin (45).

10. The high rigidity tool holder of a combined machine lathe according to claim 9, characterized in that, The inside of the shaft pin (45) is provided with a shaft pin guide hole (451), the shaft pin (45) is slidably arranged on the surface of the shaft pin guide rod (441) through the shaft pin guide hole (451), one side of the shaft pin (45) near the servo motor (4) is provided with a compression spring, and the surface of the shaft pin (45) is fixedly provided with a shaft block (452).

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