CN204450019U - Straight-line tool magazine - Google Patents

Abstract

The utility model discloses an in-line tool magazine, which comprises: a tool holder; a tool guide rod used for installing a tool and slidably arranged on the tool holder; The length direction is distributed sequentially, the sliding direction of the tool guide rod is perpendicular to the length direction of the tool holder; the driving part that drives the tool guide rod to slide back and forth, the number of the driving parts is less than the number of tool guide rods; the driving part is driven along the length of the tool holder A moving mechanism that moves back and forth in one direction. In the straight row tool magazine disclosed by the utility model, by adding a moving mechanism, a driving part that drives the tool guide rod to move back and forth can move along the length direction of the tool holder, so that the driving part can drive at least two tool guide bars to move back and forth , thereby effectively reducing the number of driving components, and reducing the driving cost of the entire in-line tool magazine.

Description

A straight row tool magazine

technical field

The utility model relates to the technical field of knife magazines, in particular to an in-line knife magazine.

Background technique

The tool magazine is a device that provides tool storage and tool change requirements in the automated machining process. It is gradually widely used in machine tools due to its ability to greatly shorten the machining time and reduce production costs.

For intelligent machine tools, the machine tool is usually used to carry the tool magazine. When a tool needs to be changed, the tool guide rod carrying the tool in the tool magazine first moves to the spindle tool pick-up area, the spindle completes the tool pick-up action, and then the tool guide rod resets. Tool magazines are mainly divided into straight-row tool magazines and circular-row tool magazines. For the more commonly used straight-row tool magazines, the tool pick-up area of the spindle is located directly below the main shaft, and the tool guide rod carrying the tool in the straight-row tool magazine moves The tool picking area of the main shaft and the reset of the tool guide rod are driven by the driving part. Specifically, one tool is correspondingly installed with one driving part, and the driving part is usually an air cylinder.

However, due to the one-to-one correspondence between the driving parts and the tools, when there are more tools, there are more driving parts, resulting in a higher driving cost for the entire in-line tool magazine.

In addition, there are many driving components, and the weight of the entire in-line tool magazine is also relatively large. Since the machine tool carries the tool magazine, the load on the machine tool is relatively large, which affects the service life of the machine tool.

In addition, the machine tool controls the action of the driving components through the electrical system, and there are many driving components, which makes the electrical system of the machine tool more complicated.

To sum up, how to reduce the driving cost of the in-line tool magazine is an urgent problem to be solved by those skilled in the art.

Utility model content

In view of this, the purpose of the utility model is to provide an in-line tool magazine to reduce its driving cost.

In order to achieve the above object, the utility model provides the following technical solutions:

An in-line tool magazine comprising:

knife holder;

Tool guide rods for installing knives and slidably arranged on the tool holder, the number of the cutter guide rods is multiple and distributed sequentially along the length direction of the tool holder, the sliding direction of the tool guide rods perpendicular to the length direction of the knife holder;

a drive part that drives the cutter guide rod to reciprocate and slide, the number of the drive parts is less than the number of the cutter guide rod;

Driving a moving mechanism for reciprocating movement of the driving part along the length direction of the knife holder.

Preferably, the number of the driving component is one.

Preferably, the moving mechanism includes: a lead screw mechanism, a first motor that drives a lead screw of the lead screw mechanism to rotate; wherein, the driving component is fixed on a nut of the lead screw mechanism.

Preferably, the moving mechanism includes: a rack-and-pinion mechanism, a second motor that drives the gear of the rack-and-pinion mechanism to rotate; wherein, the driving component is fixed on the rack of the rack-and-pinion mechanism.

Preferably, the above-mentioned in-line tool magazine further includes: guide rails for the movement of the air-driven components.

Preferably, a T-shaped slot is provided at one end of the tool guide rod close to the driving part, and the driving part is connected to the tool guide rod through a T-shaped connecting piece matched with the T-shaped slot.

Preferably, the T-shaped connector includes: a clip, and a connecting post arranged on the clip; the connecting post is threadedly engaged with the driving component.

Preferably, the clip is a circular clip.

Preferably, the clamping member is a clamping post, and both ends of the clamping post are spherical or arcuate.

Preferably, the driving component is an air cylinder.

In the in-line tool magazine provided by the utility model, by adding a moving mechanism, a driving part that drives the reciprocating movement of the tool guide rod can move along the length direction of the tool holder, so that the driving part can drive at least two tool guide rods to reciprocate. , thereby effectively reducing the number of driving components, and reducing the driving cost of the entire in-line tool magazine.

At the same time, the in-line tool magazine provided by the utility model effectively reduces the number of driving components, thereby effectively reducing the weight of the entire in-line tool magazine, reducing the load on the machine tool, and reducing the impact on the service life of the machine tool. Influence.

At the same time, the in-line tool magazine provided by the utility model effectively reduces the number of driving components, simplifies the electrical system of the machine tool, and also reduces installation and maintenance costs.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is the structural representation of the in-line tool magazine that the utility model embodiment provides;

Fig. 2 is a partial top view of the in-line tool magazine provided by the embodiment of the present invention;

Fig. 3 is a partial structural schematic diagram of the tool guide rod in the in-line tool magazine provided by the embodiment of the present invention;

Fig. 4 is a schematic structural view of the T-shaped connector in the in-line tool magazine provided by the embodiment of the present invention;

Fig. 5 is a schematic diagram of the cooperation between the T-shaped connector and the tool guide rod in the in-line tool magazine provided by the embodiment of the present invention.

In Figure 1-5 above:

1 is the tool holder, 2 is the tool guide rod, 21 is the T-shaped slot, 3 is the moving mechanism, 31 is the screw, 32 is the first motor, 4 is the driving part, 5 is the guide rail, 6 is the tool, 7 is T-shaped Connector, 71 is a circular clip, 72 is a connecting column.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to FIG. 1 and FIG. 2 , the in-line tool magazine provided by the embodiment of the utility model includes: a tool holder 1 , a tool guide rod 2 for installing a tool 6 , a driving part 4 and a moving mechanism 3 . Wherein, the cutter guide rod 2 is slidably arranged on the cutter holder 1 along the length direction perpendicular to the cutter holder 1, and the number of the cutter guide rods 2 is multiple and distributed sequentially along the length direction of the cutter holder 1; the driving part 4 drives the cutter The guide rod 2 slides reciprocally along the direction perpendicular to the tool holder 1, and the number of driving parts 4 is smaller than that of the tool guide rod 2; the moving mechanism 3 drives one driving part 4 to reciprocate along the length direction of the tool holder 1.

It can be understood that the length of the drive part 4 moving along the length direction of the tool rest 1 can be set according to actual needs. slide. Specifically, the smaller the number of driving parts 4 relative to the number of tool guide rods 2 , the greater the moving length of the driving parts 4 along the length direction of the tool holder 1 .

In the in-line tool magazine provided by the embodiment of the utility model, by adding a moving mechanism 3, a driving part 4 that drives the tool guide rod 2 to reciprocate can move along the length direction of the tool rest 1, so that the driving part 4 can drive at least The two tool guide rods 2 move back and forth, thereby effectively reducing the number of driving components 4 and reducing the driving cost of the entire in-line tool magazine.

At the same time, the in-line tool magazine provided by the embodiment of the utility model effectively reduces the number of driving parts 4, thereby effectively reducing the weight of the entire in-line tool magazine, reducing the load on the machine tool, and reducing the impact on the machine tool. impact on service life.

At the same time, the in-line tool magazine provided by the embodiment of the utility model effectively reduces the number of driving components 4, simplifies the electrical system of the machine tool, and also reduces installation and maintenance costs.

In the above-mentioned in-line tool magazine, one moving mechanism 3 can be set, and two moving mechanisms 3 or a plurality of moving mechanisms 3 can be set. In order to effectively reduce the cost of the entire in-line tool magazine, the number of moving mechanisms 3 is preferably selected as one.

In order to reduce the driving cost to the greatest extent, in the above-mentioned in-line tool magazine, the number of the driving part 4 is one, and correspondingly, the number of the moving mechanism 3 is also one. In this way, the driving part 4 is driven by the moving mechanism 3 to move along the length direction of the tool rest 1, so that the driving part 4 can move to any position of the tool guide bar 2 and drive the tool guide bar 2 along the length direction perpendicular to the tool post 1 slide.

There are various structures of the moving mechanism 3 , for example, the moving mechanism 3 includes: a lead screw mechanism, a first motor 32 driving the lead screw 31 of the lead screw mechanism to rotate; wherein, the driving part 4 is fixed on the nut of the lead screw mechanism. This structure makes the movement precision of the driving part 4 higher. It can be understood that the nut of the lead screw mechanism cannot rotate on the lead screw 31 , that is, the nut is circumferentially fixed. There are many ways to realize the circumferential fixing of the nut, which is not limited in this embodiment of the present utility model.

Optionally, the moving mechanism 3 includes: a rack-and-pinion mechanism, a second motor that drives the gears of the rack-and-pinion mechanism to rotate; wherein, the driving component 4 is fixed on the rack of the rack-and-pinion mechanism. This structure makes the movement precision of the driving part 4 poor and takes up a lot of space.

Optionally, the moving mechanism 3 includes: a centering crank sliding mechanism, a third motor that drives the crank of the centering crank sliding mechanism to rotate, wherein the driving part 4 is fixed on the sliding of the centering crank sliding mechanism. Such a structure is that the moving length of the driving part 4 is limited, which can be adopted when the moving length is small.

Certainly, the moving mechanism 3 may also optionally include: a driving device and a connecting shaft connecting the driving device and the driving part 4, and the driving device may be a linear motor, an air cylinder or a hydraulic cylinder.

In the above-mentioned in-line tool magazine, there are various structures of the moving mechanism 3, which can be selected according to actual needs, which is not limited in the embodiment of the present utility model.

In order to facilitate the movement of the driving component 4 along the length direction of the tool holder 1 , the in-line tool magazine further includes: a guide rail 5 for the driving component 4 to move. It can be understood that the guide rail 5 is a linear guide rail and extends along the length direction of the tool holder 1 . Further, if the moving mechanism 3 includes: a lead screw mechanism, a first motor 32 that drives the lead screw 31 of the lead screw mechanism to rotate; wherein, the driving component 4 is fixed on the nut of the lead screw mechanism. In this way, the circumferential fixation of the driving part 4 is also realized, and further the circumferential fixation of the nut is realized.

In the above-mentioned in-line tool magazine, the driving part 4 can drive the tool guide rod 2 to reciprocate and slide along the length direction perpendicular to the tool holder 1, and can also move along the length direction of the tool holder 1. It can be understood that the driving part 4 can Separate from the previous cutter guide rod 2 and move to the next cutter guide rod 2 and drive the next cutter guide rod 2 to reciprocate and slide. Therefore, the connection structure between the driving part 4 and the tool guide bar 2 can not only ensure that the driving part 4 can push and pull the tool guide bar 2 , but also ensure that the driving part 4 can be separated from the tool guide bar 2 along the length direction of the tool holder 1 .

There are various connection structures between the driving part 4 and the cutter guide rod 2 . Preferably, a T-shaped slot 21 is provided at one end of the cutter guide rod 2 close to the driving part 4 , and the driving part 4 is connected to the cutter guide rod 2 through a T-shaped connecting piece 7 matched with the T-shaped slot 21 . It can be understood that the opening of the T-shaped slot 21 faces the driving part 4 , and the depth direction of the T-shaped slot 21 is parallel to the moving direction of the tool guide rod 2 , and the length direction of the T-shaped slot 21 is parallel to the length direction of the tool holder 1 . In order to facilitate sliding, it is preferable to select a preset gap between the T-shaped connecting piece 7 and the T-shaped slot 21 .

In the actual use process, when the machine tool spindle gives the tool removal signal, the moving mechanism 3 drives the driving part 4 to reach the designated tool position, and the T-shaped connector 7 stays in the middle of the T-shaped slot 21 of the tool guide rod 2 on the tool position. position, the driving part 4 moves, the driving part 4 pushes the tool guide rod 2 to slide through the T-shaped connecting piece 71, and sends the tool 6 to the tool picking area; after the spindle completes the tool picking action, the driving part 4 resets and drives the tool guide bar 2 Reset, the tool change process ends.

There are various structures for the T-shaped connecting piece 7 , for example, the T-shaped connecting piece 7 includes: a clip, a connecting post 72 arranged on the clip; In order to facilitate the movement of the driving component 4 , it is preferable to select the clamping member as a circular clamping plate 71 . Specifically, the connecting column 72 is perpendicular to the circular clamping plate 71 . The clamping piece can also be selected as a clamping column, and the clamping column is perpendicular to the connecting column 72 . The axial direction of the clamping post can be perpendicular to the length direction of the tool holder 1 or parallel to the length direction of the tool holder 1 . When the axial direction of the clamping column can be perpendicular to the length direction of the tool holder 1, in order to facilitate the movement of the driving part 4, both ends of the clamping column are spherical or arcuate. Certainly, the clip can also be selected as a square clip or a rectangular clip, but it is not convenient for the movement of the driving part 4 .

The driving part 4 and the cutter guide rod 2 can also adopt other connection structures. Specifically, the end of the cutter guide rod 2 near the driving part 4 is provided with an arc-shaped groove, and the arc of the arc-shaped groove is greater than 180°. The groove-fitting connecting rod is connected to the cutter guide rod 2 . It can be understood that the opening of the arc-shaped groove faces the driving part 4 . In practical application, the radian of the arc-shaped groove can be designed as required, as long as the driving part 4 can push and pull the cutter guide rod 2 .

Of course, the driving part 4 and the cutter guide rod 2 can also be realized by selecting other connection structures, such as replacing the arc-shaped groove with a groove of other shapes, as long as the driving part 4 and the cutter guide rod 2 cannot be separated along the sliding direction of the cutter guide rod 2 That's it.

The above in-line tool magazine, the tool capacity is the number of tool guide rods 2, the tool capacity can be set according to actual needs, that is, the number of tool guide rods 2 is set according to actual needs, the utility model embodiment does not do this limited.

Preferably, in the in-line tool magazine described above, the driving component 4 is an air cylinder. Of course, the drive component 4 can also be selected as a drive device such as a linear motor, but is not limited thereto.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. a straight-line tool magazine, is characterized in that, comprising:

Knife rest (1);

For mounting cutter (6) and the cutter pilot (2) be slidably disposed on described knife rest (1), the number of described cutter pilot (2) is that multiple and along described knife rest (1) length direction distributes successively, and the glide direction of described cutter pilot (2) is perpendicular to the length direction of described knife rest (1);

Drive the driver part (4) that described cutter pilot (2) reciprocatingly slides, the number of described driver part (4) is less than the number of described cutter pilot (2);

Drive the travel mechanism (3) that a described driver part (4) moves back and forth along the length direction of described knife rest (1).

2. straight-line tool magazine according to claim 1, is characterized in that, the number of described driver part (4) is one.

3. straight-line tool magazine according to claim 1, is characterized in that, described travel mechanism (3) comprising: screw mechanism, drives the first motor (32) that the leading screw of described screw mechanism (31) rotates; Wherein, described driver part (4) is fixed on the nut of described screw mechanism.

4. straight-line tool magazine according to claim 1, is characterized in that, described travel mechanism (3) comprising: pinion and rack, drives the second motor of the pinion rotation of described pinion and rack; Wherein, described driver part (4) is fixed on the tooth bar of described pinion and rack.

5. the straight-line tool magazine according to claim 1 or 3, is characterized in that, also comprise: for the guide rail (5) of described driver part (4) movement.

6. straight-line tool magazine according to claim 1, it is characterized in that, described cutter pilot (2) is provided with T-slot (21) near one end of described driver part (4), and described driver part (4) is by being connected with described cutter pilot (2) with the T-shaped connector (7) that described T-slot (21) coordinates.

7. straight-line tool magazine according to claim 6, is characterized in that, described T-shaped connector (7) comprising: fastener, is arranged at the joint pin (72) on described fastener; Described joint pin (72) and described driver part (4) threaded engagement.

8. straight-line tool magazine according to claim 7, is characterized in that, described fastener is circular clamp (71).

9. straight-line tool magazine according to claim 7, is characterized in that, described fastener is card column, and the both ends of the surface of described card column are sphere or cambered surface.

10. straight-line tool magazine according to claim 1, is characterized in that, described driver part (4) is cylinder.