CN211248360U - Quick automatic tool changing frame of lathe - Google Patents

Abstract

The utility model provides a quick automatic tool changing frame of lathe, which comprises a tool rest and a transmission component, wherein the tool rest comprises a positioning frame, a tool changing shaft sleeved with the positioning frame, a tool changing disc and tools uniformly fixed on the periphery of the tool changing disc, the positioning frame is fixedly connected with a base of the transmission component, a shaft head end of the tool changing shaft is fixedly connected with the tool changing disc through a screwing screw, the periphery of the tool changing disc is provided with various tools, the tail end of the tool changing shaft is arranged in the transmission component, the periphery is provided with a tool changing gear, the transmission component comprises a transmission gear, a pushing rotating shaft, a supporting frame and a bearing for matching, the transmission gear is fixedly connected with a transmission shaft provided by a machine tool main shaft box for transmission, the pushing rotating shaft is also provided by the machine tool main shaft box, the quick automatic tool changing frame of lathe realizes the rotary tool changing of the tool changing, the tool changing efficiency is improved, the machining efficiency and the yield of the common lathe are greatly improved, and the tool changing device is practical and convenient.

Description

A fast automatic tool changer for lathe

technical field

The utility model relates to the technical field of machine tool tool equipment, in particular to a rapid automatic tool changer for a lathe.

Background technique

With the increasing level of productivity, a large number of equipment must be updated in order to develop the machining manufacturing industry. Many enterprises have increased their investment in machine tools. However, due to objective factors such as production costs, most enterprises still use ordinary lathes as their production equipment. Mainly, many companies have added various auxiliary devices in order to improve work efficiency and equipment conditions, but they have neglected a very important component is the tool changer. In order to truly improve work efficiency, the use of fully automatic tool changer to solve the problem of processing efficiency.

However, it is difficult for the current ordinary lathe to realize the function of automatic tool change. Although the automatic tool changer in the machining center can realize automatic tool change and has better precision control, it is expensive and difficult to apply to the existing ordinary lathe. Therefore, it is necessary to improve the existing tool changer in order to meet the needs of the existing lathe and realize the transformation of the existing lathe in order to improve the machining efficiency.

SUMMARY OF THE INVENTION

The design purpose of the utility model is: in view of the problem that the existing lathe equipment cannot automatically and quickly change the tool, which affects the production and processing efficiency, it is proposed to design a rapid automatic tool changer for the lathe, which can meet the requirements of rapid positioning and tool changing, and ensure the accuracy of tool changing. , improve the efficiency of tool change, realize the transformation of existing lathes, and improve the processing efficiency and output of CNC machine tools.

To achieve the above object, the utility model adopts the following technical solutions:

A quick and automatic tool changer for a lathe includes a tool holder and a transmission assembly.

The tool holder includes a positioning frame, a tool-changing shaft sleeved with the positioning frame, a tool-changing disc, and a tool evenly fixed on the outer periphery of the tool-changing disc. There is a through hole in the center, a tool change shaft is fitted in the through hole, and the head end of the tool change shaft and the tool change disc are fixedly connected by tightening screws, and the outer periphery of the tool change disc is provided with All kinds of tools are screwed and fixed by screws, the end of the tool change shaft is in the transmission assembly, and the outer circumference is provided with a tool change gear.

The transmission assembly includes a transmission gear, a push shaft, a support frame and a matching bearing. The transmission gear is a wide gear and meshes with the tool change gear for transmission. The transmission gear is fixed to the transmission shaft provided by the machine tool spindle box. In connection with the transmission, the moving shaft is also provided by the machine tool spindle box, and the front end is provided with a threaded section, which is screwed with the threaded hole provided in the center of the rear end of the tool change shaft to obtain sliding force.

Further, the front end of the through hole in the center of the positioning frame is provided with a sliding keyway, which cooperates and slides with the key block provided at the front end of the tool changing shaft.

Further, a positioning block is evenly arranged between the tool changer plate and the positioning frame, the positioning block is fixedly connected with the tool changer plate, and is positioned in cooperation with the positioning groove provided at the corresponding position of the positioning frame, so The number of the positioning blocks is the same as the number of the tools, which can equally divide the angle of each tool to be changed.

Further, the push shaft and the transmission shaft are fixed by the support frame through the bearing.

Further, the positioning frame is fixedly connected with the machine base in the transmission assembly, and the machine base and the transmission assembly are fixedly connected by bolts.

Implementing the fast automatic tool changer of the lathe of the present utility model has the following beneficial effects:

The fast automatic tool changer of the lathe realizes the rotary tool change of the tool changer by controlling the axial movement and rotational freedom of the tool change shaft, and uses the positioning block to locate the tool change, which improves the tool change efficiency and greatly improves the efficiency of the tool change. The processing efficiency and output of ordinary lathes are practical and convenient.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present utility model more clearly, the accompanying drawings required to be used in the description of the embodiments will be briefly introduced below.

Fig. 1 is the structural representation of the lathe fast automatic tool changer of the present embodiment;

Fig. 2 is the front view of the quick automatic tool changer of the lathe of the present embodiment;

FIG. 3 is a schematic structural diagram of the positioning frame according to the present embodiment;

Among them, 1-transmission assembly, 2-machine base, 3-positioning frame, 31-positioning groove, 4-positioning block, 5-tool changer, 6-tool, 7-tool changer shaft, 71-threaded hole, 72- Key block, 8- tightening screw, 9- sealing ring, 10- push shaft, 101- thread segment, 11- transmission shaft, 12- transmission gear, 13- tool change gear, 14- support frame, 15- bearing.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in Figures 1-3, the utility model proposes a quick automatic tool changer for a lathe, which includes a tool rest and a transmission assembly.

Specifically, the tool rest includes a positioning frame 3, a tool changing shaft 7 sleeved with the positioning frame, a tool changing plate 5 and a tool 6 uniformly fixed on the outer periphery of the tool changing plate. The cross-section of the positioning frame 3 is T-shaped, It is fixedly connected with the base 2 of the transmission assembly, and a through hole is provided in the center, and a tool change shaft 7 is fitted in the through hole with a clearance. Tightening screws 8 are fastened together, various cutters 6 are arranged on the outer periphery of the cutter changer 5, and are fastened and fixed by screws. Gear 13.

The transmission assembly includes a transmission gear 12 , a push shaft 10 , a support frame 14 and a matching bearing 14 . The transmission gear 12 is a wide gear and meshes with the tool change gear 13 for transmission. The transmission gear 12 is connected to the machine tool spindle. The transmission shaft 11 provided by the box is fixedly connected for transmission, and the push shaft 10 is also provided by the machine tool spindle box. The front end is provided with a threaded section 101, which is screwed with the threaded hole 71 provided in the center of the rear end of the tool changer shaft 7 to obtain slippage. power.

In a further embodiment, the front end of the through hole in the center of the positioning frame 3 is provided with a sliding keyway, which cooperates and slides with the key block 72 provided at the front end of the tool changing shaft 7 .

A further embodiment is that a positioning block 4 is evenly arranged between the tool changer 5 and the positioning frame 3 , and the positioning block 4 is fixedly connected with the tool changer 5 and corresponds to the positioning frame 3 . The provided positioning grooves 31 are matched for positioning, and the number of the positioning blocks 4 is the same as the number of the tools 6, which can equally divide the angle of each tool to be changed.

In a further embodiment, the push shaft 10 and the transmission shaft 11 are both fixed by the support frame 14 through the bearing 15 .

In a further embodiment, the positioning frame 3 is fixedly connected with the base 1 in the transmission assembly, and the base 1 and the transmission assembly are fixedly connected by bolts.

The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned embodiments, and within the scope of knowledge possessed by those of ordinary skill in the art, the present utility model can also be used without departing from the purpose of the present utility model. Various changes, modifications, substitutions and alterations are made below, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. a fast automatic tool changer of a lathe, comprising a tool rest and a transmission assembly, is characterized in that: The tool holder includes a positioning frame, a tool-changing shaft sleeved with the positioning frame, a tool-changing disc, and a tool evenly fixed on the outer periphery of the tool-changing disc. There is a through hole in the center, a tool change shaft is fitted in the through hole, and the head end of the tool change shaft and the tool change disc are fixedly connected by tightening screws, and the outer periphery of the tool change disc is provided with All kinds of tools are screwed and fixed by screws, the end of the tool change shaft is in the transmission assembly, and the outer circumference is provided with a tool change gear. The transmission assembly includes a transmission gear, a push shaft, a support frame and a matching bearing. The transmission gear is a wide gear and meshes with the tool change gear for transmission. The transmission gear is fixed to the transmission shaft provided by the machine tool spindle box. In connection with the transmission, the moving shaft is also provided by the machine tool spindle box, and the front end is provided with a threaded section, which is screwed with the threaded hole provided in the center of the rear end of the tool change shaft to obtain sliding force. 2 . The fast automatic tool changer of a lathe according to claim 1 , wherein the front end of the through hole in the center of the positioning frame is provided with a sliding keyway, which cooperates and slides with the key block provided at the front end of the tool change shaft. 3 . 3 . The fast automatic tool changer of a lathe according to claim 1 , wherein a positioning block is evenly arranged between the tool changer and the positioning frame, and the positioning block and the tool changer are fixedly connected. 4 . The number of the positioning blocks is the same as the number of the tools, which can equally divide the angle of each tool to be changed. 4 . The fast automatic tool changer of a lathe according to claim 1 , wherein the push shaft and the transmission shaft are fixed by the support frame through the bearing. 5 . 5 . The quick automatic tool changer of a lathe according to claim 1 , wherein the positioning frame is fixedly connected with the machine base in the transmission assembly, and the machine base and the transmission assembly are fixedly connected by bolts. 6 .

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