Transmission mechanism of double-spindle motor of lathe

Abstract

The utility model discloses a transmission mechanism of a double-spindle motor of a lathe, which relates to the technical field of lathe accessories, and comprises a first transmission shaft, a second transmission shaft and a servo motor, one end of the first transmission shaft is provided with a slot, and one end or two ends of the second transmission shaft are fixed with insertion blocks; a reinforcing plate is connected between the first transmission shaft and the second transmission shaft, first bolts penetrate through the two sides of the reinforcing plate, and second bolts penetrate through the outer surface and the back of the reinforcing plate. Through the arrangement of the inserting blocks and the inserting grooves, a traditional transmission shaft is divided into two parts or three parts, the first transmission shaft is connected with the bearing structure, the second transmission shaft is connected with the gear structure, and the first transmission shaft and the second transmission shaft are connected through the inserting blocks and the inserting grooves and transmit torque. The gear structure can be replaced only by dismounting the second transmission shaft without dismounting the transmission shaft from the bearing, so that the operation is simple and convenient; the gear structure is convenient to replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe accessory technical field, concretely is a transmission mechanism of lathe double spindle motor. BACKGROUND

[0002] Lathe is the machine tool that mainly uses lathe tool to turn the workpiece that rotates. Lathe spindle refers to the shaft that drives workpiece or tool rotation on machine tool. Usually by spindle, bearing and transmission part (gear or pulley) etc. Compose spindle component. In machine, it is mainly used to support transmission parts such as gear, pulley, transmits movement and torque, such as machine tool spindle;Some are used to clamp workpieces, such as mandrel, double spindle lathe is equipped with two spindles, can work synchronously or alternately, which realizes by independent driving mode or split transmission mode.

[0003] The split transmission mechanism of the existing lathe double spindle motor refers to a servo motor driving two spindles to rotate through gear transmission structure, and the number of gears and shafts in the gear box is relatively large, which makes the disassembly and assembly very cumbersome. For example, when the teeth are damaged and need to be replaced, the limit between the shaft and the bearing needs to be disengaged, and then the limit between the gear and the shaft needs to be disengaged. The shaft and the bearing are usually combined together by interference fit, which makes the disassembly and replacement of the gear very cumbersome and laborious. UTILITY MODEL CONTENT

[0004] Therefore, the utility model discloses a transmission mechanism of lathe double spindle motor to solve the technical problems mentioned in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a transmission mechanism of lathe double spindle motor, comprising a first transmission shaft, a second transmission shaft and a servo motor, the first transmission shaft is provided with a slot at one end, and the second transmission shaft is fixed with a plug at one end or both ends;The first transmission shaft and the second transmission shaft are connected with a reinforcing plate, and the reinforcing plate is penetrated by a first bolt on both sides, and the reinforcing plate is penetrated by a second bolt on the outer surface and the back;The reinforcing plate is fixed with a positioning block inside, and the first transmission shaft and the second transmission shaft are provided with positioning grooves on both sides.

[0006] By adopting the technical scheme, when the gear structure is damaged, the worker removes the first bolt and the second bolt to end the limiting of the reinforcing plate, and then the worker can remove the reinforcing plate and the second transmission shaft. When the gear structure is replaced and installed, the worker inserts the insert block on the second transmission shaft into the insertion slot on the first transmission shaft, so that the first transmission shaft and the second transmission shaft are connected through the insert block and the insertion slot and transmit torque. Then, the worker sets the reinforcing plate at the connection area of the first transmission shaft and the second transmission shaft. The setting of the positioning block and the positioning slot avoids installation errors of the reinforcing plate, improves installation stability, and also can share force to transmit torque, reducing the deformation or collapse of the insert block and the insertion slot due to large stress.

[0007] Further, the reinforcing plate is provided in multiple, two in a group, and the two reinforcing plates in each group are mirror image distributed.

[0008] By adopting the technical scheme, when the first transmission shaft and the second transmission shaft are connected through the insert block and the insertion slot, the reinforcing plate is set at the connection area of the first transmission shaft and the second transmission shaft and fastened by the first bolt and the second bolt, thereby increasing the structural strength.

[0009] Further, the first bolt and the second bolt are vertically distributed, and the first bolt is connected with the reinforcing plate, the first transmission shaft and the insert block respectively, and the second bolt is connected with the second transmission shaft and the reinforcing plate respectively.

[0010] By adopting the technical scheme, after the reinforcing plate is placed, the worker fastens it by the first bolt and the second bolt, which can avoid the separation of the first transmission shaft and the second transmission shaft, increase the stability of the structure, and share force to transmit torque by the first bolt and the second bolt, reducing the deformation or collapse of the insert block and the insertion slot due to large stress.

[0011] Further, the insert block and the insertion slot are matched.

[0012] By adopting the technical scheme, when installed, the worker inserts the insert block on the second transmission shaft into the insertion slot on the first transmission shaft, so that the first transmission shaft and the second transmission shaft are connected through the insert block and the insertion slot and transmit torque.

[0013] Further, the insert block is inclined on both sides.

[0014] By adopting the technical scheme, the slopes on both sides of the plug increase the connecting area between the plug and the second transmission shaft, and simultaneously function as diagonal braces to reduce the bending and breaking of the plug.

[0015] Further, the positioning block is matched with the positioning groove.

[0016] By adopting the technical scheme, the staff sets the reinforcing plate at the connecting area of the first transmission shaft and the second transmission shaft, and the installation error of the reinforcing plate is avoided by setting the positioning block and the positioning groove.

[0017] Further, the first transmission shaft and the second transmission shaft are both provided with a plurality of first spiral gears, second spiral gears, first bevel gears, second bevel gears, third spiral gears and fourth spiral gears.

[0018] By adopting the technical scheme, the traditional transmission shaft is divided into two or three, the first transmission shaft is connected with the bearing structure, and the second transmission shaft is connected with the gear structure; the first transmission shaft and the second transmission shaft corresponding to the second bevel gear and the third spiral gear, and the first transmission shaft and the second transmission shaft corresponding to the fourth spiral gear, respectively refer to two main shafts of the lathe double-main-shaft motor transmission structure; during work, the servo motor drives the first spiral gear to rotate through the first transmission shaft and the second transmission shaft, the first spiral gear is engaged with the second spiral gear after rotation, thereby driving the first bevel gear to rotate, the first bevel gear is engaged with the second bevel gear after rotation, thereby driving the third spiral gear to rotate, the third spiral gear is engaged with the fourth spiral gear after rotation, thereby driving the fourth spiral gear to rotate, and thus the two main shafts are rotated.

[0019] Further, the output end of the servo motor is connected with one of the first transmission shafts.

[0020] By adopting the technical scheme, the servo motor drives the first spiral gear to rotate through the first transmission shaft and the second transmission shaft, and then drives the two main shafts to rotate through the first spiral gear, the second spiral gear, the first bevel gear, the second bevel gear, the third spiral gear and the fourth spiral gear.

[0021] Further, the first transmission shaft, the second transmission shaft, the reinforcing plate, the plug and the positioning block are all made of high-strength alloy steel material.

[0022] By adopting the technical scheme, since the first transmission shaft, the second transmission shaft, the reinforcing plate, the plug and the positioning block are all made of high-strength alloy steel material, the structure weight can be reduced and the fatigue resistance and structural strength can be improved.

[0023] Further, the first bolt and the second bolt are both high-strength bolts, and the first bolt and the second bolt are both provided with a protrusion at one end.

[0024] By adopting the technical scheme, the first bolt and the second bolt are high-strength bolts with high structural strength, which can effectively reduce the phenomenon of fracture of the first bolt and the second bolt during operation, and the protrusion at one end of the first bolt and the second bolt can balance the weight of both ends of the first bolt and the second bolt and reduce vibration.

[0025] To sum up, the utility model mainly has the following beneficial effects:

[0026] 1. The utility model discloses a transmission shaft, which is divided into two or three parts, and the first transmission shaft is connected with the bearing structure, and the second transmission shaft is connected with the gear structure. The first transmission shaft and the second transmission shaft are connected through the plug and the slot, and the torque is transmitted. When the gear structure is damaged, the second transmission shaft can be removed for replacement of the gear structure, without the need to remove the transmission shaft from the bearing, which is simple and convenient.

[0027] 2. The utility model discloses a transmission shaft, which is divided into two or three parts, and the first transmission shaft is connected with the bearing structure, and the second transmission shaft is connected with the gear structure. The first transmission shaft and the second transmission shaft are connected through the plug and the slot, and the torque is transmitted. When the gear structure is damaged, the second transmission shaft can be removed for replacement of the gear structure, without the need to remove the transmission shaft from the bearing, which is simple and convenient.

[0028] 3. The utility model discloses a transmission shaft, which is divided into two or three parts, and the first transmission shaft is connected with the bearing structure, and the second transmission shaft is connected with the gear structure. The first transmission shaft and the second transmission shaft are connected through the plug and the slot, and the torque is transmitted. When the gear structure is damaged, the second transmission shaft can be removed for replacement of the gear structure, without the need to remove the transmission shaft from the bearing, which is simple and convenient. ACCURATE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the utility model;

[0030] Figure 2 It is a bottom view structural schematic diagram of the utility model;

[0031] Figure 3 It is a first transmission shaft sectional structure schematic diagram of the utility model;

[0032] Figure 4 It is a first transmission shaft sectional structure schematic diagram of the utility model;

[0033] Figure 5The utility model discloses a first transmission shaft explosion structure schematic view.

[0034] In the drawing: 1, first transmission shaft, 2, second transmission shaft, 3, servo motor, 4, first helical gear, 5, second helical gear, 6, first bevel gear, 7, second bevel gear, 8, third helical gear, 9, fourth helical gear, 10, reinforcing plate, 11, first bolt, 12, second bolt, 13, slot, 14, insert block, 15, locating block, 16, locating groove. DETAILED DESCRIPTION

[0035] The technical scheme in the embodiments of the utility model will be described clearly and completely in connection with the drawings in the embodiments of the utility model. The embodiments described below by referring to the drawings are exemplary and are used for explaining the utility model only, and cannot be understood as the limitation of the utility model.

[0036] The embodiments will be described below according to the overall structure of the utility model.

[0037] Embodiment one:

[0038] A kind of transmission mechanism of lathe double spindle motor, such as Figures 1-5As shown, including the first transmission shaft 1, the second transmission shaft 2 and the servo motor 3, the first transmission shaft 1 one end is provided with slot 13, one end or both ends of the second transmission shaft 2 is fixed with the plug 14, the plug 14 is matched with the slot 13, the plug 14 both sides are inclined; The first transmission shaft 1 and the second transmission shaft 2 are connected with the reinforcing plate 10, the reinforcing plate 10 is provided with a plurality of groups, two are a group, two reinforcing plates 10 in each group are mirror distributed, the first bolt 11 is penetrated through the two sides of the reinforcing plate 10, the second bolt 12 is penetrated through the outer surface and the back of the reinforcing plate 10, the first bolt 11 and the second bolt 12 are perpendicular distributed, the first bolt 11 is connected with the reinforcing plate 10, the first transmission shaft 1 and the plug 14 respectively, the second bolt 12 is connected with the second transmission shaft 2 and the reinforcing plate 10 respectively; The positioning block 15 is fixed in the reinforcing plate 10, the first transmission shaft 1 and the second transmission shaft 2 both sides are provided with the positioning slot 16, the positioning block 15 is matched with the positioning slot 16, when the gear structure is damaged, the first bolt 11 and the second bolt 12 are removed to end the limiting of the reinforcing plate 10, then the worker can take down the reinforcing plate 10 and the second transmission shaft 2, the second transmission shaft 2 is taken down, the gear structure is replaced and installed, the worker inserts the plug 14 on the second transmission shaft 2 into the slot 13 on the first transmission shaft 1, so that the first transmission shaft 1 and the second transmission shaft 2 are connected through the plug 14 and the slot 13 and transmit torque; Then the worker sets the reinforcing plate 10 in the connecting area of the first transmission shaft 1 and the second transmission shaft 2, the installation error of the reinforcing plate 10 is avoided through the setting of the positioning block 15 and the positioning slot 16, the installation stability is improved, and the force can also be shared to transmit torque, reduce the deformation or collapse phenomenon of the plug 14 and the slot 13 under large stress; After placing the reinforcing plate 10, the worker fastens through the first bolt 11 and the second bolt 12, which can avoid the separation of the first transmission shaft 1 and the second transmission shaft 2, increase the stability of the structure, and can also share the force to transmit torque, reduce the deformation or collapse phenomenon of the plug 14 and the slot 13 under large stress.

[0039] Referring to Figure 1 and Figure 2In the above embodiment, the first transmission shaft 1 and the second transmission shaft 2 are provided with a plurality of the first transmission shaft 1 and the second transmission shaft 2, and the first transmission shaft 1 and the second transmission shaft 2 are respectively sleeved with the first helical gear 4, the second helical gear 5, the first bevel gear 6, the second bevel gear 7, the third helical gear 8 and the fourth helical gear 9, and the output end of the servo motor 3 is connected with one of the first transmission shaft 1, which is divided into two or three by the traditional transmission shaft, and the bearing structure is connected with the first transmission shaft 1, and the gear structure is connected with the second transmission shaft 2; and the first transmission shaft 1 and the second transmission shaft 2 corresponding to the second bevel gear 7 and the third helical gear 8, and the first transmission shaft 1 and the second transmission shaft 2 corresponding to the fourth helical gear 9, respectively refer to two main shafts of the lathe double main shaft motor drive structure; during operation, the servo motor 3 drives the first helical gear 4 to rotate through the first transmission shaft 1 and the second transmission shaft 2, the first helical gear 4 is engaged with the second helical gear 5 after rotating, thereby driving the first bevel gear 6 to rotate, the first bevel gear 6 is engaged with the second bevel gear 7 after rotating, thereby driving the third helical gear 8 to rotate, the third helical gear 8 is engaged with the fourth helical gear 9 after rotating, thereby driving the fourth helical gear 9 to rotate, and thus the two main shafts rotate.

[0040] Embodiment two:

[0041] On the basis of the above embodiment one, in order to increase the structural strength, the following settings are made.

[0042] Reference Figures 1-4 In the above embodiment, the first transmission shaft 1, the second transmission shaft 2, the reinforcing plate 10, the plug 14 and the positioning block 15 are made of high-strength alloy steel material, and since the first transmission shaft 1, the second transmission shaft 2, the reinforcing plate 10, the plug 14 and the positioning block 15 are made of high-strength alloy steel material, the structural weight can be reduced and the fatigue resistance and structural strength can be improved.

[0043] Embodiment three:

[0044] On the basis of the above embodiment one, in order to further increase the structural strength and increase the stability, the following settings are made.

[0045] Reference Figures 1-4 In the above embodiment, the first bolt 11 and the second bolt 12 are high-strength bolts, one end of the first bolt 11 and the second bolt 12 is provided with a protrusion, which can effectively reduce the phenomenon of fracture of the first bolt 11 and the second bolt 12 during operation, and the protrusion at one end of the first bolt 11 and the second bolt 12 can balance the weight of the two ends of the first bolt 11 and the second bolt 12, thereby reducing the vibration.

[0046] The implementation principle of the utility model is: firstly, the traditional transmission shaft is divided into two or three, and the first transmission shaft 1 connected with bearing structure is the second transmission shaft 2 connected with gear structure; and the first transmission shaft 1 and the second transmission shaft 2 corresponding with the second bevel gear 7 and the third helical gear 8, and the first transmission shaft 1 and the second transmission shaft 2 corresponding with the fourth helical gear 9, respectively indicate two main shafts of lathe double main shaft motor drive structure;

[0047] When working, the servo motor 3 drives the first helical gear 4 to rotate through the first transmission shaft 1 and the second transmission shaft 2, the first helical gear 4 is engaged with the second helical gear 5 after rotating, thereby driving the first bevel gear 6 to rotate, the first bevel gear 6 is engaged with the second bevel gear 7 after rotating, thereby driving the third helical gear 8 to rotate, the third helical gear 8 is engaged with the fourth helical gear 9 after rotating, thereby driving the fourth helical gear 9 to rotate, thus making two main shafts rotate;

[0048] When the gear structure is damaged, the staff removes the first bolt 11 and the second bolt 12 to end the limiting of the reinforcing plate 10, then the staff can remove the reinforcing plate 10 and the second transmission shaft 2, and the gear structure can be replaced by removing the second transmission shaft 2; It should be noted that the connection mode between the gear structure and the second transmission shaft 2 is the conventional means in the prior art, which belongs to the public domain, therefore the dismounting operation between the gear structure and the second transmission shaft 2 is not described;

[0049] When installing, the staff inserts the plug block 14 on the second transmission shaft 2 into the insertion slot 13 on the first transmission shaft 1, so that the first transmission shaft 1 and the second transmission shaft 2 are connected and transmit torque through the plug block 14 and the insertion slot 13; then the staff sets the reinforcing plate 10 at the connection area of the first transmission shaft 1 and the second transmission shaft 2, avoids the installation error of the reinforcing plate 10 through the setting of the positioning block 15 and the positioning slot 16, improves the installation stability, and also can share the force to transmit torque, reduces the deformation or breakage phenomenon of the plug block 14 and the insertion slot 13 under large stress;

[0050] Since the first transmission shaft 1, the second transmission shaft 2, the reinforcing plate 10, the plug 14 and the positioning block 15 are all made of high-strength alloy steel material, the structure weight can be reduced and the fatigue and the structure strength can be improved; and the first bolt 11 and the second bolt 12 are high-strength bolts with high structure strength, the phenomenon of the first bolt 11 and the second bolt 12 breaking in the operation process can be effectively reduced, and the protrusions at one end of the first bolt 11 and the second bolt 12 can balance the weight of both ends of the first bolt 11 and the second bolt 12, and reduce the vibration.

[0051] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A transmission mechanism of a lathe double-spindle motor, comprising a first transmission shaft (1), a second transmission shaft (2) and a servo motor (3), characterized in that: The first transmission shaft (1) is provided with a slot (13) at one end, and the second transmission shaft (2) is fixed with a plug (14) at one end or both ends; the first transmission shaft (1) and the second transmission shaft (2) are connected with a reinforcing plate (10), and the reinforcing plate (10) is penetrated by a first bolt (11) on both sides, and the outer surface and the back of the reinforcing plate (10) are penetrated by a second bolt (12); the reinforcing plate (10) is fixed with a positioning block (15) inside, and the first transmission shaft (1) and the second transmission shaft (2) are provided with a positioning groove (16) on both sides.

2. The transmission mechanism of the lathe dual-spindle motor according to claim 1, characterized in that: The reinforcing plate (10) is provided with a plurality of groups, two in each group, and the two reinforcing plates (10) in each group are mirror distributed.

3. The transmission mechanism of the lathe dual-spindle motor according to claim 2, characterized in that: The first bolt (11) and the second bolt (12) are vertically distributed, and the first bolt (11) is connected with the reinforcing plate (10), the first transmission shaft (1) and the plug (14) respectively, and the second bolt (12) is connected with the second transmission shaft (2) and the reinforcing plate (10) respectively.

4. The transmission mechanism of the lathe dual-spindle motor according to claim 1, characterized in that: The plug (14) is matched with the slot (13).

5. The transmission mechanism of the lathe dual-spindle motor according to claim 4, characterized in that: The plug (14) is inclined on both sides.

6. The transmission mechanism of the lathe dual-spindle motor according to claim 1, characterized in that: The positioning block (15) is matched with the positioning groove (16).

7. The transmission mechanism of the lathe dual-spindle motor according to claim 1, characterized in that: The first transmission shaft (1) and the second transmission shaft (2) are provided with a plurality of groups, and the outer part of the plurality of second transmission shafts (2) is respectively sleeved with a first helical gear (4), a second helical gear (5), a first bevel gear (6), a second bevel gear (7), a third helical gear (8) and a fourth helical gear (9).

8. The transmission mechanism of the lathe dual-spindle motor according to claim 7, characterized in that: The output end of the servo motor (3) is connected with one of the first transmission shafts (1).

9. The transmission mechanism of the lathe dual-spindle motor according to claim 7, characterized in that: The first transmission shaft (1), the second transmission shaft (2), the reinforcing plate (10), the plug (14) and the positioning block (15) are all made of high-strength alloy steel material.

10. The transmission mechanism of the lathe dual-spindle motor according to claim 3, characterized in that: The first bolt (11) and the second bolt (12) are high-strength bolts, and the first bolt (11) and the second bolt (12) are provided with a protrusion at one end.

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