阅读说明：本技术 数控机床中尾座的离合机构 (Tailstock clutch mechanism in numerical control machine tool ) 是由 岑烨柠 于 2020-11-25 设计创作，主要内容包括：本发明提供了一种数控机床中尾座的离合机构,属于机械技术领域。它解决了现有技术存在着稳定性差的问题。本数控机床中尾座的离合机构设置尾座处,包括导向筒一、导向筒二、驱动件、接触组件一和接触组件二,上述导向筒一和导向筒二竖直设置且均固连在尾座上,上述接触组件一位于导向筒一内且接触组件一能沿导向筒一上下平移,上述接触组件二位于导向筒二内且接触组件能沿导向筒二上下平移。本数控机床中尾座的离合机构稳定性高。(The invention provides a clutch mechanism of a tailstock in a numerical control machine tool, and belongs to the technical field of machinery. It has solved prior art and has had the poor problem of stability. This clutching mechanism of tailstock in digit control machine tool sets up tailstock department, including guide cylinder one, guide cylinder two, driving piece, contact assembly one and contact assembly two, above-mentioned guide cylinder one and the vertical setting of guide cylinder two and all link firmly on the tailstock, above-mentioned contact assembly one is located guide cylinder one and contact assembly one can be along guide cylinder one translation from top to bottom, above-mentioned contact assembly two is located guide cylinder two and contact assembly can be along guide cylinder two translations from top to bottom. The clutch mechanism of the tailstock in the numerical control machine tool is high in stability.)

1. A clutch mechanism of a tailstock in a numerical control machine tool, the numerical control machine tool comprises a frame, a guide rail and the tailstock, the guide rail is horizontally arranged on the frame, the tailstock is connected on the guide rail and can translate along the guide rail, it is characterized in that the clutch mechanism is arranged at the tailstock and comprises a guide cylinder I, a guide cylinder II, a driving piece, a contact component I and a contact component II, the first guide cylinder and the second guide cylinder are vertically arranged and are fixedly connected on the tailstock, the first contact assembly is positioned in the first guide cylinder and can move up and down along the first guide cylinder, the second contact assembly is located in the second guide cylinder and can move up and down along the second guide cylinder, the driving piece is connected to the tailstock, two sides of the driving piece are respectively connected with the first contact assembly and the second contact assembly, the first contact assembly moves down and the second contact assembly moves up in an initial state, and the first contact assembly can move up and the second contact assembly can move down after the driving piece moves.

2. The clutching mechanism for the tailstock of a numerical control machine tool according to claim 1, wherein the first contact assembly comprises a first slider and a first connecting rod, the first slider is matched with an inner cavity of the first guide cylinder, the first connecting rod is arranged on the first guide cylinder in a penetrating manner, and the lower end of the first connecting rod is fixedly connected with the first slider.

3. The clutching mechanism for the tailstock in a numerical control machine tool according to claim 2, wherein the second contact assembly comprises a second sliding block and a second connecting rod, the second sliding block is matched with the inner cavity of the second guide cylinder, the second connecting rod is arranged on the second guide cylinder in a penetrating manner, the lower end of the second connecting rod is fixedly connected with the second sliding block, and a rotatable roller is connected to the lower portion of the second sliding block.

4. The clutching mechanism for the tailstock of a numerical control machine tool according to claim 3, wherein the driving member comprises a motor and a rotary table, the motor is fixedly connected to the tailstock, the rotary table is fixedly connected to a rotating shaft of the motor, and two sides of the rotary table are respectively in contact with the first connecting rod and the second connecting rod.

5. The clutching mechanism for the tailstock of a numerical control machine tool according to claim 4, wherein the rotary table is a gear, the first connecting rod is fixedly connected with a first rack, the second connecting rod is fixedly connected with a second rack, and two sides of the gear are respectively engaged with the first rack and the second rack.

6. The clutching mechanism for the tailstock of a numerical control machine tool as claimed in claim 5, wherein the guide cylinder has a first cylindrical guide section at an upper end thereof, the first connecting rod has an upper end matching the first guide section and is embedded in the first guide section.

7. The clutching mechanism for the tailstock of a numerical control machine tool according to claim 6, wherein the second upper end of the guide cylinder is provided with a second cylindrical guide section, the second upper end of the connecting rod is matched with the second guide section, and the second upper end of the connecting rod is embedded in the second guide section.

Technical Field

The invention belongs to the technical field of machinery, and relates to a clutch mechanism of a tailstock in a numerical control machine tool.

Background

The frame of the numerical control machine tool is provided with a guide rail, and the guide rail is connected with a tailstock capable of translating along the guide rail. The tailstock can clamp workpieces of different sizes and models after being adjusted in position, and the applicability of the tailstock is effectively improved.

The conventional tailstock is usually locked by a locking piece, and the locking piece is a positioning rod which is in threaded connection with the tailstock. It can be seen that the tailstock and the frame can be locked only by rotating the positioning rod by a large margin by an operator in the locking process.

Although the existing tailstock can realize stable clutch locking with a rack, the tailstock is complex to operate and high in labor intensity in the locking process, so that the tailstock is poor in stability.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provide a clutch mechanism of a tailstock in a numerical control machine tool, which has high stability and a compact structure.

The purpose of the invention can be realized by the following technical scheme:

a clutch mechanism of a tailstock in a numerical control machine tool comprises a frame, a guide rail and the tailstock, wherein the guide rail is horizontally arranged on the frame, the tailstock is connected on the guide rail and can translate along the guide rail, it is characterized in that the clutch mechanism is arranged at the tailstock and comprises a guide cylinder I, a guide cylinder II, a driving piece, a contact component I and a contact component II, the first guide cylinder and the second guide cylinder are vertically arranged and are fixedly connected on the tailstock, the first contact assembly is positioned in the first guide cylinder and can move up and down along the first guide cylinder, the second contact assembly is located in the second guide cylinder and can move up and down along the second guide cylinder, the driving piece is connected to the tailstock, two sides of the driving piece are respectively connected with the first contact assembly and the second contact assembly, the first contact assembly moves down and the second contact assembly moves up in an initial state, and the first contact assembly can move up and the second contact assembly can move down after the driving piece moves.

The clutch mechanism of the tailstock in the numerical control machine can enable the tailstock to be stably connected to the rack, or enable the tailstock to stably translate along a guide rail on the rack.

Specifically, the driving member is connected with the first contact assembly and the second contact assembly at the same time. In the initial state, the downward moving contact assembly I can be clamped at the positioning hole on the guide rail to realize positioning. At this time, the second contact assembly moves upward and does not contact the guide rail.

On the contrary, after the driving component acts, the first contact component moves upwards, and the second contact component moves downwards. After the first contact assembly is separated from the positioning hole, the friction resistance between the second contact assembly and the guide rail is small, and the structure finally enables the tailstock to stably translate along the guide rail.

In the clutch mechanism of the tailstock in the numerical control machine tool, the first contact assembly comprises a first sliding block and a first connecting rod, the first sliding block is matched with the inner cavity of the first guide cylinder, the first connecting rod penetrates through the first guide cylinder, and the lower end of the first connecting rod is fixedly connected with the first sliding block.

In the clutch mechanism of the tailstock in the numerical control machine tool, the second contact assembly comprises a second sliding block and a second connecting rod, the second sliding block is matched with the inner cavity of the second guide cylinder, the second connecting rod penetrates through the second guide cylinder, the lower end of the second connecting rod is fixedly connected with the second sliding block, and the lower part of the second sliding block is connected with a roller capable of rotating.

In the clutch mechanism of the tailstock in the numerical control machine tool, the driving piece comprises a motor and a rotary table, the motor is fixedly connected to the tailstock, the rotary table is fixedly connected with a rotating shaft of the motor, and two sides of the rotary table are respectively in contact with the first connecting rod and the second connecting rod.

Two sides of the rotary table are respectively contacted with the first connecting rod and the second connecting rod, and when the rotary table drives the first connecting rod to move downwards, the second connecting rod can move upwards along with the first connecting rod. Otherwise, the first connecting rod moves upwards, and the second connecting rod moves downwards.

In the clutch mechanism of the tailstock in the numerical control machine tool, the rotary table is a gear, the first connecting rod is fixedly connected with the first rack, the second connecting rod is fixedly connected with the second rack, and two sides of the gear are respectively meshed with the first rack and the second rack.

The rotary table is meshed with the first rack, and the first rack is fixedly connected to the first connecting rod, so that the first connecting rod can stably move up and down under the action of the rotary table.

Certainly, the second rack is fixedly connected to the second connecting rod, and finally the second connecting rod can stably move up and down under the action of the rotary disc.

In the clutch mechanism of the tailstock in the numerical control machine tool, the upper end of the guide cylinder is provided with the cylindrical guide section I, the upper end of the connecting rod I is matched with the guide section I, and the upper end of the connecting rod I is embedded in the guide section I.

The first connecting rod can smoothly move up and down under the action of the first guide section.

In the clutch mechanism of the tailstock in the numerical control machine tool, the upper end of the second guide cylinder is provided with a cylindrical second guide section, the upper end of the second connecting rod is matched with the second guide section, and the upper end of the second connecting rod is embedded in the second guide section.

The second connecting rod can smoothly move up and down under the action of the second guide section.

Compared with the prior art, the clutch mechanism of the tailstock in the numerical control machine tool can enable the tailstock to realize stable clutch locking in the rack, the tailstock is stably connected to the rack in a locking state, and the friction resistance between the roller on the second sliding block and the guide rail is small in an unlocking state, so that the tailstock can move smoothly on the guide rail, and the stability of the tailstock is high.

Meanwhile, the first guide cylinder is adjacent to the second guide cylinder, and the driving piece is positioned between the first guide cylinder and the second guide cylinder, so that the structure is compact, and the high-speed guide device has high practical value.

Drawings

Fig. 1 is a schematic structural diagram of a clutch mechanism of a tailstock in the numerical control machine tool.

In the figure, 2, the tailstock; 3. a first guide cylinder; 3a, a first guide section; 4. a second guide cylinder; 4a, a guide section II; 5. a drive member; 6. a first sliding block; 7. a first connecting rod; 7a, a first rack; 8. a second sliding block; 9. a second connecting rod; 9a, a second rack; 10. and a roller.

Detailed Description

Digit control machine tool includes frame, guide rail and tailstock, and above-mentioned guide rail level sets up in the frame, and above-mentioned tailstock is connected on the guide rail and can be followed the guide rail translation.

As shown in fig. 1, the clutch mechanism of the tailstock in the numerical control machine tool is provided with a tailstock 2, and comprises a first guide cylinder 3, a second guide cylinder 4, a driving member 5, a first contact assembly and a second contact assembly, wherein the first guide cylinder 3 and the second guide cylinder 4 are vertically arranged and are fixedly connected to the tailstock 2, the first contact assembly is located in the first guide cylinder 3 and can vertically translate along the first guide cylinder 3, the second contact assembly is located in the second guide cylinder 4 and can vertically translate along the second guide cylinder 4, the driving member 5 is connected to the tailstock 2, two sides of the driving member are respectively connected with the first contact assembly and the second contact assembly, the first contact assembly moves downwards and the second contact assembly moves upwards in an initial state, and the first contact assembly moves upwards and the second contact assembly moves downwards after the driving member 5 acts.

The first contact assembly comprises a first sliding block 6 and a first connecting rod 7, the first sliding block 6 is matched with the first 3 inner cavities of the first guide cylinder, the first connecting rod 7 penetrates through the first 3 guide cylinders, and the lower ends of the first connecting rod 7 are fixedly connected with the first sliding block 6.

The second contact assembly comprises a second sliding block 8 and a second connecting rod 9, the second sliding block 8 is matched with the inner cavity of the second guide cylinder 4, the second connecting rod 9 is arranged on the second guide cylinder 4 in a penetrating mode, the lower end of the second connecting rod 9 is fixedly connected with the second sliding block 8, and the lower portion of the second sliding block 8 is connected with a roller 10 capable of rotating.

The driving piece 5 comprises a motor and a rotary table, the motor is fixedly connected to the tailstock 2, the rotary table is fixedly connected with a rotating shaft of the motor, and two sides of the rotary table are respectively in contact with the first connecting rod 7 and the second connecting rod 9.

The turntable is a gear, the first connecting rod 7 is fixedly connected with a first rack 7a, the second connecting rod 9 is fixedly connected with a second rack 9a, and two sides of the gear are respectively meshed with the first rack 7a and the second rack 9 a.

The upper end of the first guide cylinder 3 is provided with a cylindrical first guide section 3a, the upper end of the first connecting rod 7 is matched with the first guide section 3a, and the upper end of the first connecting rod 7 is embedded in the first guide section 3 a.

The upper end of the second guide cylinder 4 is provided with a cylindrical second guide section 4a, the upper end of the second connecting rod 9 is matched with the second guide section 4a, and the upper end of the second connecting rod 9 is embedded in the second guide section 4 a.

The clutch mechanism of the tailstock in the numerical control machine can enable the tailstock to be stably connected to the rack, or enable the tailstock to stably translate along a guide rail on the rack.

Specifically, the driving member is connected with the first contact assembly and the second contact assembly at the same time. In the initial state, the downward moving contact assembly I can be clamped at the positioning hole on the guide rail to realize positioning. At this time, the second contact assembly moves upward and does not contact the guide rail.

On the contrary, after the driving component acts, the first contact component moves upwards, and the second contact component moves downwards. After the first contact assembly is separated from the positioning hole, the friction resistance between the second contact assembly and the guide rail is small, and the structure finally enables the tailstock to stably translate along the guide rail.