CN216178771U - Material ejecting device of machine tool - Google Patents

Abstract

The utility model discloses an ejection device of a machine tool, which comprises an ejection rod arranged in a main shaft of the machine tool and an air cylinder for controlling the ejection rod to stretch, wherein the ejection rod is connected with the stretching end of the air cylinder, the air cylinder is arranged on one side of the main shaft through a bracket, when a chuck of the main shaft loosens and spits materials, the ejection rod is controlled to extend out through the air cylinder to push out a workpiece, and the situations that the chuck loosens and the workpiece does not fall off are avoided, so that the occurrence of a crash accident is avoided. Furthermore, the air cylinder is arranged on one side of the main shaft, and compared with the conventional method that the air cylinder is coaxially arranged at the tail end of the main shaft, the air cylinder can avoid occupying a large space, so that the occupied space of a machine tool is reduced. In addition, the utility model has simple structure and simple and convenient operation, and can be suitable for the blanking operation of various machine tools.

Description

Material ejecting device of machine tool

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a material ejecting device of a machine tool.

Background

The center-moving machine is called a center-moving type numerical control lathe, also called a main spindle box moving type numerical control automatic lathe, an economical turning and milling combined machine tool or a longitudinal cutting lathe, belongs to precision machining equipment, can simultaneously complete combined machining such as turning, milling, drilling, boring, tapping, carving and the like at one time, and is mainly used for batch machining of special-shaped non-standard parts such as precision hardware and shafts.

However, when the spindle of the conventional spindle feeding machine finishes processing a product and takes the product, the situation that the product cannot be discharged occasionally occurs when the chuck of the spindle clamping the product is loosened, so that a machine collision accident is caused, and the machine table is damaged.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide an ejection device of a machine tool, which can eject a workpiece when the workpiece is machined and spitted, so that the occurrence of a collision accident can be avoided.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an ejecting device of lathe, is including setting up in the lathe main shaft, being used for the ejecting pole that the work piece was released and the flexible cylinder of control ejecting pole, the ejecting pole is connected with the flexible end of cylinder, when the chuck of lathe main shaft loosens and spits the material, the cylinder control ejecting pole stretches out and releases the work piece, the cylinder passes through the support and sets up in one side of main shaft.

In the material ejecting device of the machine tool, the telescopic end of the air cylinder is connected with the tail end of the material ejecting rod through a connecting rod.

In the material ejecting device of the machine tool, a detachable material ejecting head is arranged at the top end of the material ejecting rod.

In the ejection device of the machine tool, the fixed end of the ejection rod is fixed on one side of the connecting rod through a locking bolt.

In the material ejecting device of the machine tool, an inductor used for inducing the motion stroke of the air cylinder is arranged in the air cylinder.

In the material ejecting device of the machine tool, the air cylinder is a pen-shaped air cylinder.

The ejection device of lathe still includes the sliding sleeve, the sliding sleeve cover is located on the ejector beam.

In the material ejecting device of the machine tool, the material ejecting rod is a hollow rod.

In the material ejecting device of the machine tool, a buffer spring used for resetting the connecting rod is further arranged at the connecting part of the connecting rod and the air cylinder.

In the material ejecting device of the machine tool, the connecting rod is further provided with a limiting plate, and the limiting plate is provided with a waist-shaped hole for adjusting the position of the limiting plate.

Compared with the prior art, the ejection device of the machine tool comprises the ejection rod arranged in the main shaft of the machine tool and the air cylinder for controlling the ejection rod to stretch out and draw back, when the chuck of the main shaft loosens and spits materials, the air cylinder controls the ejection rod to stretch out and push out a workpiece, the situations that the chuck loosens and the workpiece does not fall off are avoided, and therefore the occurrence of a collision accident is avoided. Furthermore, the air cylinder is arranged on one side of the main shaft, and compared with the conventional method that the air cylinder is coaxially arranged at the tail end of the main shaft, the air cylinder can avoid occupying a large space, so that the occupied space of a machine tool is reduced. In addition, the utility model has simple structure and simple and convenient operation, and can be suitable for the blanking operation of various machine tools.

Drawings

Fig. 1 is a schematic structural diagram of a material ejecting device and a spindle of a machine tool provided by the utility model.

Fig. 2 is a schematic cross-sectional view taken along line a-a in fig. 1.

Fig. 3 is a partial cross-sectional structural schematic diagram of the ejector of the machine tool provided by the utility model.

Fig. 4 is an enlarged schematic view of fig. 1 at B.

Reference is made to the accompanying drawings in which: 1. ejector rod 11, ejector head 2, cylinder 3, support 4, connecting rod 41, gap 5, buffer spring 6, limiting plate 61, kidney-shaped hole 7, sliding sleeve 8, receiving groove 100, spindle 101, chuck 200 and workpiece

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

Referring to fig. 1, 2, 3 and 4, the ejector device of the machine tool provided by the utility model comprises an ejector rod 1 arranged in a main shaft 100 of the machine tool and an air cylinder 2 for controlling the extension of the ejector rod 1, wherein the ejector rod 1 is connected with the extension end of the air cylinder 2, the air cylinder 2 is arranged at one side of the main shaft 100 through a support 3, when a chuck 101 of the main shaft 100 releases and spits materials, the ejector rod 1 is controlled to extend through the air cylinder 2, a workpiece 200 is pushed out, the situations that the chuck 101 is released and the workpiece 200 does not fall off are avoided, and therefore, the occurrence of a crash accident is avoided. Further, the cylinder 2 is disposed at one side of the spindle 100, so that compared with the conventional cylinder 2 coaxially disposed at the end of the spindle 100, the occupied space can be avoided, and the occupied space of the machine tool can be further reduced.

The telescopic end of the cylinder 2 is connected with the tail end of the ejector rod 1 through the connecting rod 4, so that the cylinder 2 controls the ejector rod 1 to be synchronously telescopic through the connecting rod 4, and the purpose of pushing out the workpiece 200 in the chuck 101 is achieved. Specifically, the connecting rod 4 is a square rod, one end of the connecting rod is provided with a notch 41, when the cylinder 2 is connected with the connecting rod 4, the nut matched with the bolt is arranged at the notch 41, the nut is not exposed out of the connecting rod 4, the nut is prevented from occupying the telescopic space of the cylinder 2, the telescopic amount of the cylinder 2 can be controlled more accurately, and the installation space of the cylinder can be further reduced.

Preferably, a buffer spring 5 for resetting the connecting rod 4 is further arranged at the connection position of the connecting rod 4 and the cylinder 2, when the ejector rod 1 is controlled by the cylinder 2 to extend out through the connecting rod 4 during operation, a certain impact force is generated at the moment when the ejector rod 1 ejects the workpiece 200, and a rebound space is formed after the ejector rod 1 ejects the workpiece 200 through the connecting rod 4 through the buffer spring 5, so that the workpiece 200 is prevented from being damaged or the ejector rod 1 is prevented from deforming due to rigid contact with the workpiece 200.

The connecting rod 4 is further provided with a limiting plate 6, the limiting plate 6 is provided with a waist-shaped hole 61 for adjusting the position of the waist-shaped hole, when the ejection workpiece 200 of the ejector beam 1 is impacted, the buffering effect is achieved through the buffering spring 5, and meanwhile, the limiting plate 6 plays a role in limiting the backward movement amount of the ejector beam 1. In the process of backward moving of the ejector beam 1, the buffer spring 5 decomposes most of the conflict force, so that the limiting plate 6 is not stressed greatly and cannot damage the ejector beam 1. Meanwhile, the limiting plate 6 prevents the buffer spring 5 from being excessively compressed, and the buffer spring 5 is protected. Still through waist shape hole 61 makes limiting plate 6 can be according to the spacing position of the impact force adjustment of ejector beam 1 received, makes limiting plate 6 reach the best effect.

In this embodiment, the cylinder 2 is internally provided with a sensor for sensing the movement stroke of the telescopic rod of the cylinder. Specifically, the cylinder 2 is a pen-shaped cylinder, so that the cylinder 2 can control the working state of the ejector rod 1 according to the tightness state of the chuck 101.

With reference to fig. 1, 2 and 3, the top end of the ejector rod 1 is provided with a detachable ejector head 11, so that the worker can switch the ejector head 11 with a corresponding size according to the size of the workpiece 200, thereby ensuring that the workpiece 200 is ejected at one time, and avoiding the phenomenon that the workpiece 200 is blocked because the ejector head 11 is small when the workpiece 200 is large and the workpiece 200 cannot be ejected at one time.

Further, the discharge end of liftout device is provided with and connects silo 8, and after ejector pin 1 released work piece 200, work piece 200 can fall into smoothly and connect the silo 8.

The stiff end of ejector beam 1 passes through the locking bolt to be fixed in one side of connecting rod 4, makes ejector beam 1 and connecting rod 4 firm in connection, and for dismantling the connection to in maintenance, change ejector beam 1.

Preferably, the ejector device further includes a sliding sleeve 7, the sliding sleeve 7 is sleeved on the ejector rod 1 to ensure that the ejector rod 1 slides smoothly inside the main shaft 100, and a lubricating layer of lubricating oil can be added to the sliding sleeve 7, so as to reduce the wear between the sliding sleeve 7 and the ejector rod 1 and reduce the friction between the sliding sleeve 7 and the ejector rod 1, and further reduce the load of the cylinder 2.

The ejector rod 1 is a hollow rod to reduce the dead weight, so that the load of the cylinder 2 can be further reduced, and the service life of the cylinder 2 can be prolonged.

In summary, the ejection device of the machine tool provided by the utility model comprises the ejection rod arranged in the main shaft of the machine tool and the cylinder for controlling the ejection rod to stretch out and draw back, when the chuck of the main shaft loosens and spits materials, the cylinder controls the ejection rod to stretch out to push out a workpiece, so that the situations that the chuck loosens and the workpiece does not fall off are avoided, and the occurrence of a collision accident is avoided. Furthermore, the air cylinder is arranged on one side of the main shaft, and compared with the conventional method that the air cylinder is coaxially arranged at the tail end of the main shaft, the air cylinder can avoid occupying a large space, so that the occupied space of a machine tool is reduced.

In addition, the utility model has simple structure and simple and convenient operation, and can be suitable for the blanking operation of various machine tools.

It should be understood that the technical solutions and the inventive concepts according to the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the appended claims.

Claims (10)

1. The utility model provides an ejection device of lathe, its characterized in that, including set up in the lathe main shaft, be used for the ejector beam that the work piece was released and the flexible cylinder of control ejector beam, the ejector beam is connected with the flexible end of cylinder, when the chuck of lathe main shaft loosens and spits the material, the cylinder control ejector beam stretches out and releases the work piece, the cylinder passes through the support and sets up in one side of main shaft.

2. The ejector device of claim 1, wherein the telescopic end of the cylinder is connected with the tail end of the ejector rod through a connecting rod.

3. The ejector device of claim 2, wherein the ejector pin is provided at its top end with a detachable ejector head.

4. The ejector device of claim 3, wherein the fixed end of the ejector pin is fixed to one side of the connecting rod by a lock bolt.

5. The ejector device of claim 1, wherein a sensor for sensing the moving stroke of the cylinder is arranged in the cylinder.

6. The ejector device of claim 5, wherein the cylinder is a pen-type cylinder.

7. The ejection device of the machine tool according to claim 2, further comprising a sliding sleeve, wherein the sliding sleeve is sleeved on the ejection rod.

8. The ejector device of claim 7, wherein said ejector pin is a hollow pin.

9. The jacking device of a machine tool according to claim 2, wherein a buffer spring for resetting the connecting rod is further provided at the connection of the connecting rod and the cylinder.

10. The ejection device of the machine tool according to claim 9, wherein a limiting plate is further arranged on the connecting rod, and a waist-shaped hole for adjusting the position of the limiting plate is formed in the limiting plate.

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