Feeding and retaining device for lathe tailstock

Abstract

According to the feeding and retaining device for the lathe tailstock, a driving motor is arranged at the side end of a seat body, a worm and a turbine are rotationally arranged in the seat body, the turbine is meshed with the worm, and an electromagnetic clutch is used for being in coaxial transmission connection with the turbine through a first transmission shaft; the first gear is rotationally arranged in the seat body through a second transmission shaft, the first transmission shaft is located below the second transmission shaft, the end of the second transmission shaft extends out of the seat body, and a driving gear is arranged at the end of the second transmission shaft; according to the scheme, the working mode of the electromagnetic clutch is adopted to achieve meshing transmission between the meshing gear and the driving gear, so that movement of the tailstock is achieved, meshing and disengagement of the gears can be achieved through the electromagnetic clutch in the moving process, interference of advancing and retreating action transmission is avoided, and therefore a workpiece can be tightly jacked, and working efficiency is improved. The device is convenient to operate, simple, practical, reliable and capable of reducing many errors of an operator in the machining process.

Description

Technical Field

[0001] This utility model relates to the technical field of machine tool auxiliary equipment, specifically to a feed and anti-reverse device for a lathe tailstock. Background Technology

[0002] Currently, the tailstock of CNC roll lathes is moved by a motor, which engages with the rack and pinion on the lathe bed via a worm gear and gears. After the tailstock is in position, a handle is used to lower the anti-reverse pin between the toothed plates on the lathe bed. To clamp the workpiece, the worm gear is first disengaged from the feed gear shaft. This allows the tailstock tip to clamp the workpiece, and the tailstock moves backward until the anti-reverse pin is firmly against the anti-reverse toothed plate on the lathe bed, preventing further movement. The anti-reverse toothed plate then serves to stop the reverse movement. However, in actual operation, operators often fail to disengage the worm gear from the gear shaft after the tailstock is in position. As a result, when the tailstock clamps the workpiece, the worm gear is under stress, while the anti-reverse toothed plate on the lathe bed is not, frequently causing damage to the worm gear and sometimes posing a risk of the workpiece falling off. Utility Model Content

[0003] This utility model provides a feed and anti-reverse device for a lathe tailstock to solve the technical problems mentioned in the background art.

[0004] A feed and anti-reverse device for a lathe tailstock includes a base, a drive motor, a worm gear, an electromagnetic clutch, and a first gear. The drive motor is located at the side end of the base, the worm gear and worm gear are rotatably disposed inside the base, and the worm gear meshes with the worm gear. The electromagnetic clutch is used for coaxial transmission connection of the worm gear via a first transmission shaft. The first gear is rotatably disposed inside the base via a second transmission shaft, and the first transmission shaft is located below the second transmission shaft. The end of the second transmission shaft extends out of the base, and a drive gear is provided at the end of the second transmission shaft.

[0005] Preferably, the feed and anti-reverse device for the lathe tailstock is characterized in that a gear disk is rotatably provided on the side of the electromagnetic clutch, the gear disk is rotatably disposed around the first transmission shaft, and the gear disk meshes with the first gear.

[0006] Preferably, the lathe tailstock feed and anti-reverse device is characterized in that the seat body is movably disposed at the upper end of the machine tool tailstock, the upper end of the machine tool tailstock is provided with a tailstock rack, and the drive gear meshes with the tailstock rack.

[0007] Preferably, the feed and anti-reverse device for the tailstock of a lathe is characterized in that a handle is rotatably provided at the rear end of the seat, and an eccentric shaft is rotatably provided inside the seat, the eccentric shaft and the handle being coaxially rotatably connected.

[0008] Preferably, the feed and anti-reverse device for the tailstock of a lathe is characterized in that an anti-reverse pin is movably provided at the lower part of the seat, the end of the eccentric shaft is rotatably disposed inside the anti-reverse pin, the upper end of the anti-reverse pin is connected to the seat by a spring, and the position of the anti-reverse pin corresponds to the position of the tailstock rack.

[0009] Beneficial effects: This solution uses an electromagnetic clutch to achieve meshing transmission between the meshing gear and the drive gear, thereby realizing the movement of the tailstock. During the movement, the electromagnetic clutch can be used to mesh and disengage the gears, ensuring that the forward and backward transmission will not interfere with each other. This can both hold the workpiece tightly and prevent damage to the worm gear. This device is convenient, simple, practical, and reliable to operate, and can reduce many errors made by the operator during the processing. Attached Figure Description

[0010] Figure 1 This is a front sectional view of the present invention;

[0011] Figure 2 This is a side sectional view of the present invention.

[0012] Figure 3 This is a partial sectional view of the present invention;

[0013] The names and serial numbers of the components in the figure are as follows: base 1, tailstock rack 101, handle 102, eccentric shaft 103, anti-reverse pin 104, spring 105, drive motor 2, turbine 3, first transmission shaft 301, worm gear 4, electromagnetic clutch 5, gear disk 501, first gear 6, second transmission shaft 601, drive gear 602. Detailed Implementation

[0014] The implementation process of this utility model will be described in detail below with reference to the accompanying drawings. The described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0015] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a bolted connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0016] like Figure 1-3The lathe tailstock feed and anti-reverse device shown includes a base 1, a drive motor 2, a worm gear 3, a worm 4, an electromagnetic clutch 5, and a first gear 6. The drive motor 2 is located at the side end of the base 1. The worm and worm gear 3 are rotatably disposed inside the base 1, and the worm gear 3 meshes with the worm 4. The electromagnetic clutch 5 is used for coaxial transmission connection of the worm gear 3 via a first transmission shaft 301. The first gear 6 is rotatably disposed inside the base 1 via a second transmission shaft 601, with the first transmission shaft 301 located below the second transmission shaft 601. The end of the second transmission shaft 601 extends out of the base 1, and a drive gear 602 is provided at the end of the second transmission shaft 601.

[0017] Furthermore, the side of the electromagnetic clutch 5 is rotatably provided with a gear disk 501, which is rotatably disposed around the first transmission shaft 301 and meshes with the first gear 6.

[0018] Furthermore, the base 1 is movably mounted on the upper end of the machine tool tailstock, and the upper end of the machine tool tailstock is provided with a tailstock rack 101, and the drive gear meshes with the tailstock rack 101.

[0019] Furthermore, a handle 102 is rotatably provided at the rear end of the seat body 1, and an eccentric shaft 103 is rotatably provided inside the seat body 1. The eccentric shaft 103 is coaxially rotatably connected to the handle 102.

[0020] Furthermore, the lower part of the seat 1 is provided with a retaining pin 104, and the end of the eccentric shaft 103 is rotatably disposed inside the retaining pin 104. The upper end of the retaining pin 104 is connected to the seat 1 by a spring 105, and the position of the retaining pin 104 corresponds to the position of the tailstock rack 101.

[0021] When the drive motor 2 operates, it drives the worm gear 4 to drive the worm wheel. The worm gear 3 and the electromagnetic clutch 5 rotate coaxially through the first transmission shaft 301. The electromagnetic clutch 5 is in working order, and the gear disk 501 rotates. At this time, the meshing first gear 6 rotates through the second transmission shaft 601, and drives the drive gear 602 to rotate. The drive gear 602 is equipped with a tailstock rack 101 at the upper end of the tailstock of the machine tool, which meshes and drives the tailstock to move forward and backward on the tailstock of the machine tool. When the handle 102 is turned, the anti-reverse pin 104 falls into the groove of the tailstock rack 101 on the machine tool through the eccentric shaft 103. If the anti-reverse pin 104 does not fall into the anti-reverse rack groove, the tailstock can be moved in a small range by jogging until the anti-reverse pin 104 falls into the anti-reverse rack groove. When the tailstock movement button is released, the tailstock stops moving. At the same time, the electromagnetic clutch 5 is de-energized, and the transmission between the gear disk 501 and the first gear 6 stops.

[0022] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of the present application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present application. Therefore, the content of this specification should not be construed as a limitation of the present application.

Claims

1. A feed and retraction device for a lathe tailstock, comprising a base (1), a drive motor (2), a worm gear (3), a worm shaft (4), an electromagnetic clutch (5), and a first gear (6), characterized in that... The drive motor (2) is located on the side of the seat (1), the worm and the turbine (3) are rotatably located inside the seat (1), and the turbine (3) meshes with the worm (4). The electromagnetic clutch (5) is used to connect the turbine (3) to the first drive shaft (301) via coaxial transmission. The first gear (6) is rotatably located inside the seat (1) via the second drive shaft (601), and the first drive shaft (301) is located below the second drive shaft (601). The end of the second drive shaft (601) extends out of the seat (1), and the end of the second drive shaft (601) is provided with a drive gear (602).

2. The feed and anti-reverse device for a lathe tailstock according to claim 1, characterized in that... The electromagnetic clutch (5) has a rotatable gear disk (501) on its side. The gear disk (501) is rotatably disposed around the first transmission shaft (301), and the gear disk (501) meshes with the first gear (6).

3. The feed and anti-reverse device for a lathe tailstock according to claim 1, characterized in that... The base (1) is movably mounted on the upper end of the machine tool tailstock, and the upper end of the machine tool tailstock is provided with a tailstock rack (101), and the drive gear (602) meshes with the tailstock rack (101).

4. The feed and anti-reverse device for a lathe tailstock according to claim 1, characterized in that... The rear end of the seat (1) is provided with a handle (102), and the seat (1) is provided with an eccentric shaft (103) inside. The eccentric shaft (103) is coaxially connected to the handle (102).

5. The feed and anti-reverse device for a lathe tailstock according to any one of claims 1, 3, or 4, characterized in that... The lower part of the seat (1) is provided with a backstop pin (104), and the end of the eccentric shaft (103) is rotatably disposed inside the backstop pin (104). The upper end of the backstop pin (104) is connected to the seat (1) by a spring (105). The position of the backstop pin (104) corresponds to the position of the tailstock toothed bar (101).

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