TWI494190B - Guide assembly for a chain tool magazine - Google Patents

Description

Tool magazine chain frame guiding device

The invention belongs to the technical field of a chain tool magazine of a processing machine; in particular, a tool chain chain frame guiding device capable of improving the smoothness and smoothness of the movement of the chain frame structure of the chain tool magazine.

According to the continuous improvement of processing technology, the processing requirements are not only more sophisticated, but also more and more diversified for the processing type. In order to meet the needs of processing diversification, the current processing machine is generally available for storage. The tool magazine of ten kinds of tools is matched with the tool change module to automatically change the tool between the tool magazine and the machining spindle. Among them, in addition to the general tower tool magazine, the tool magazine develops the chain knife in order to increase the storage amount. The form of the library.

The general chain type tool magazine mainly has a base body, and at least two sprocket wheels are pivotally arranged on the base body, and a chain frame structure formed by chain links is arranged between the sprocket wheels, and the chain frame structure is provided with several The knife sleeve positioning device has a knife sleeve clamped by each knife sleeve positioning device; the transmission chain frame structure is rotated by the sprocket wheel, and can be used to drive the knife sleeve to move to the positioning, and cooperate with the tool change device for the machining spindle operation.

However, the general chain frame structure has a long distribution of the mechanism, and the knife sleeve and the cutter disposed on the knife sleeve positioning device are quite heavy, and there is no other support, guiding or limiting mechanism except the sprocket, so the chain When the frame structure is driven by the bearing sleeve, it is easy to form a sagging or slack shape due to excessive weight load. After a long time of use, it is more likely to cause interference and friction between the sprocket structure and the adjacent mechanism, and the chain frame structure is moved. When the phenomenon of bumps, shaking and unsmoothness occurs, the circulation of the tool magazine is affected; in severe cases, the time and position of the tool holder moving to the tool change device may be caused to be inaccurate, resulting in a decrease in the accuracy of the tool change operation.

In view of the above, the main object of the present invention is to provide a tool magazine chain frame guiding device, which can prevent the chain frame structure from swaying when moving, and at the same time improve the smoothness and smoothness of the movement, thereby ensuring the change of the knife and the closing operation. Accuracy.

According to the above object, the tool magazine chain frame guiding device of the invention is provided with a retaining wall on the base of the tool magazine for the chain frame structure to wrap around the outer side of the retaining wall, and a driving sprocket at one end of the retaining wall. The utility model is characterized in that: the base is disposed at a position outside the retaining wall, and a first channel is disposed; and a guiding member is fixed on the end edge of the retaining wall, and the guiding member is provided with a second channel corresponding to the first channel; for guiding the chain frame structure.

In the foregoing tool magazine chain frame guiding device, the pedestal is disposed on the outer side of the retaining wall, and may be provided with a protruding rib, and the first channel is further opened at the edge of the protruding rib.

The tool magazine chain frame guiding device, wherein the chain frame structure is formed by at least two tool holder positioning devices; the tool holder positioning device comprises two plates and a card disposed between the two plates The mast is provided with a clamping jaw on one side of the plate body, and two ends of the different sides are respectively provided with flanges, and the adjacent knife sleeve positioning device is formed by pivoting a flange to form a pivotal state. The chain shaft passes through the two ends of the flange, and is respectively provided with a sliding sleeve; the sliding sleeve can be accommodated in the first channel and the second channel.

When the chain frame structure rotates around the retaining wall, the sliding sleeve can simultaneously abut the inner wall of the first channel and the second channel and slide along the channel; accordingly, the chain frame structure can be limited to Between the channel and the second channel, the chain frame structure is moved without sloshing or skewing; in addition, the protruding rib and the guiding member and the first channel and the second channel are supported simultaneously The weight of the chain frame structure makes the chain frame structure move more smoothly and smoothly, thereby ensuring the accuracy of tool change and closing.

In order to enable the reviewing committee to have a better understanding and recognition of the structural features and functions of the present invention, the following description of the preferred embodiments and the drawings are set forth below.

Please refer to the first to third figures.

The chain frame guiding device of the invention is mainly used for guiding the chain frame structure (2) in the tool magazine (1), preventing the phenomenon of bumping, shaking or skewing during operation, and having the guiding chain frame. main function. Wherein: the tool magazine (1) has a cast-formed base (10), and the base (10) is provided with two opposite retaining walls (11) for the chain frame structure (2) to wrap around the block Outside the wall (11); between one end of the barrier wall (11), a driving sprocket (not shown) driven by a driving motor (12) is disposed, and the blocking wall (11) is disposed between different ends thereof. There is at least one driven idler (13), so that the chain frame structure (2) can be rotated around the retaining wall (11) by the driving sprocket and the driven idler (13).

The chain frame structure (2) is generally composed of a plurality of tool holder positioning devices (3), and the tool holder positioning device (3) comprises a second plate body (30) and is disposed on the second plate body (30). A support post (31), a side of the plate body (30), a clamping jaw (300) for holding the knife sleeve (4), and two ends of the opposite side of the plate body (30) , respectively, a flange (301) is provided; the adjacent knife sleeve positioning device (3) is formed by pivoting a flange (301) which overlaps with each other through a chain shaft (32) to form a pivotal state; The chain shaft (32) passes through the two ends of the flange (301), and is respectively provided with a sliding sleeve (320), which can rotate corresponding to the shaft of the chain shaft (32).

The present invention is characterized in that the base (10) is disposed outside the retaining wall (11), and is provided with a first channel (140), which can be directly formed on the base (10). Or, a rib (14) opposite to the retaining wall (11) is integrally formed from the base (10), and the first channel (140) is opened at the end of the protruding rib (14) for a sliding sleeve (320) accommodating the chain frame structure (2); at an end edge of the blocking wall (11), and a guiding member (15) is fixed, the guiding member (15) is opposite to the protruding rib (14) a second channel (150) corresponding to the first channel (140) is defined in the guiding member (15), and the sliding sleeve (320) for receiving the chain frame structure (2) is also provided; thereby guiding the Chain frame structure (2).

The above is a description of the structural features of the various parts of the preferred embodiment of the present invention, and the features of use of the present invention are described.

In implementation, the chain frame structure (2) the sliding sleeves (320) on both sides of each knife sleeve positioning device (3) are respectively placed in the first channel (140) of the protruding rib (14) and the guiding member (15) The second channel (150).

When the chain frame structure (2) is driven by the driving sprocket and the driven idler wheel (13) to rotate around the blocking wall (11), the sliding sleeve (320) can simultaneously abut the first channel (140) and the first The inner wall of the two channels (150) is slid along the channel; accordingly, the chain frame structure (2) can be limited between the first channel (140) and the second channel (150), so that The chain frame structure (2) does not cause bumps, wobbles or skews when moving; in addition, the protruding ribs (14) and the guiding member (15) and the first channel (140) and the second channel thereof can be transmitted through the protruding rib (14) (150), supporting the load of the chain frame structure (2) at the same time, so that the chain frame structure (2) moves more smoothly and smoothly, thereby ensuring the accuracy of the tool change and the closing operation.

The above description is only for the preferred embodiment of the present invention, and is intended to clarify the features of the present invention, and is not intended to limit the scope of the embodiments of the present invention. Changes that are well known to those skilled in the art are still within the scope of the invention.

1‧‧‧Magazine

10‧‧‧ Pedestal

11‧‧ ‧ blocking wall

12‧‧‧Drive motor

13‧‧‧Driven idler

14‧‧‧ rib

140‧‧‧First channel

15‧‧‧Guide

150‧‧‧Second channel

2‧‧‧Chain frame structure

3‧‧‧Knife sleeve positioning device

30‧‧‧ board

300‧‧‧掣口口

301‧‧‧ rim

31‧‧‧Cars

32‧‧‧Chain

320‧‧‧Sleeve

4‧‧‧Knife sets

1 is a schematic view of a chain frame structure of the present invention; a second view: a schematic cross-sectional view of a preferred embodiment of the present invention.

1. . . Tool magazine

10. . . Pedestal

11. . . Barrier

12. . . Drive motor

14. . . Rib

140. . . First channel

15. . . Guide

150. . . Second channel

32. . . Chain shaft

320. . . Sleeve

4. . . Knife cover

Claims (1)

A tool chain chain frame guiding device is provided with a retaining wall on a base of the tool magazine for the chain frame structure to wrap around the outer side of the retaining wall, and a driving sprocket at one end of the retaining wall for driving the chain frame The structure is characterized in that; the base is located outside the retaining wall, and may be provided with a protruding rib, and the first channel is further opened at the edge of the protruding rib; and a guiding member is fixed at the edge of the retaining wall a second channel corresponding to the first channel is provided on the guiding member for guiding the chain frame structure; the chain frame structure is formed by at least two tool holder positioning devices; the knife sleeve The positioning device comprises a second plate body and a clamping column disposed between the two plate bodies, wherein the side of the plate body is provided with a clamping jaw, and the opposite ends are respectively provided with flanges, adjacent knife sleeve positioning devices, Forming a pivotal state through a flange of a chain shaft, the chain shaft passing through the two ends of the flange, respectively provided with a sliding sleeve; the sliding sleeve can be accommodated in the first channel and the first In the two channels, the axis of the chain shaft can be rotated.