CN107598636A - Straight-line tool magazine and its protective door structure - Google Patents

Abstract

The invention discloses an in-line tool magazine and its protective door structure. The protective door structure includes a knife magazine door rotatably connected to a front shell, a support bar fixedly connected to the tool magazine door, a roller fixedly connected to the support bar, and a fixed The support arm connected to the tool holder; the tool holder can move telescopically, and then drive the support arm to move; when the support arm moves, the rollers roll on the support arm; the support arm includes a support part, a guide part, and a storage part; the level of the storage part The height is lower than the level of the supporting part; when the rollers are stored in the receiving part, the tool magazine door cover is set on the tool holder; when the tool holder is extended, the rollers roll from the receiving part to the supporting part, and the tool magazine door follows the rollers The roll of the turret turns away from the knife holder and eventually rotates over the knife holder. The technical scheme of the present invention realizes the control of the rotation of the tool magazine door through the cooperation among the roller, the support rod and the support arm, and has a simple structure and low cost.

Description

Straight row tool magazine and its protective door structure

technical field

The invention relates to the technical field of mechanical processing equipment, in particular to an in-line tool magazine and its protective door structure.

Background technique

With the rapid development of science and technology, the CNC machine tool industry is also constantly developing, and the development of tool magazines has a relatively fixed model, such as in-line, bamboo hat, disc, umbrella, and chain tool magazines. And mass production.

In order to ensure the cleanliness of the tool magazine and realize tool change at the same time, the tool magazine is equipped with a protective door that can be opened and closed. The protective door of the existing in-line tool magazine is generally controlled by a link mechanism. However, this structure is often stuck or loosened, causing the protective door card to be unable to be effectively opened or closed.

Contents of the invention

The main purpose of the present invention is to provide an in-line tool magazine, aiming at optimizing the protective door structure of the tool magazine.

In order to achieve the above object, the present invention proposes a protective door structure of an in-line tool magazine, which includes a knife magazine door rotatably connected to the front shell, a brace fixedly connected to the tool magazine door, a brace fixedly connected to the brace rollers, and a support arm fixedly connected to the knife rest; the knife rest can move telescopically, and then drive the support arm to move; when the support arm moves, the roller rolls on the support arm; the The support arm includes a support part, a guide part, and a storage part; the horizontal height of the storage part is lower than the horizontal height of the support part; The knife rest; when the knife rest is stretched out, the roller rolls from the receiving part to the support part, and the knife magazine door moves away from the knife rest along with the rolling of the roller Orientation rotation, and finally rotation to the top of the knife holder.

Optionally, the tool magazine door is rotatably connected to the front shell through a hinge.

Optionally, the hinge is a hinge.

In addition, in order to achieve the above purpose, the present invention also proposes an in-line tool magazine, including a housing assembly, a drive assembly, a tool holder, and a protective door structure; wherein,

The shell assembly includes a rear shell, and a front shell fixedly connected with the rear shell;

The driving assembly is installed in the housing assembly and is used to drive the tool holder for telescopic movement;

The knife holder is used for installing a knife;

The protective door structure includes a tool magazine door rotatably connected to the front shell, a strut fixedly connected to the tool magazine door, a roller fixedly connected to the strut, and a support arm fixedly connected to the tool rest; The tool holder can be telescopically moved, and then drives the support arm to move; when the support arm moves, the roller rolls on the support arm; the support arm includes a support part, a guide part, and a receiving part; the The horizontal height of the accommodating part is lower than that of the supporting part; when the rollers are stored in the accommodating part, the knife magazine door cover is arranged on the knife rest; when the knife rest is extended , the roller rolls from the receiving portion to the support portion, and the tool storage door rotates in a direction away from the tool holder as the roller rolls, and finally rotates above the tool holder.

Optionally, the drive assembly includes a drive motor, a lead screw assembly, and a sliding plate; the lead screw assembly converts the rotation output by the drive motor into linear motion to drive the slide plate to perform linear motion; The sliding plate is fixedly connected with the knife rest to drive the knife rest to move.

Optionally, the screw assembly includes a screw and a nut; the screw is connected to the drive motor; the nut is fixedly connected to the sliding plate through a mounting seat.

Optionally, the in-line tool magazine also includes a guide assembly, and the guide assembly includes a guide rail, a slider, and a fixing plate; the guide rail is fixedly mounted on the slide plate, and the slider is fixedly installed on the The fixed plate; the fixed plate is fixedly connected with the rear shell.

Optionally, a reinforcing plate is further provided on the fixing plate for strengthening the strength of the fixing plate.

Optionally, a hollow portion is provided on the rear case corresponding to the fixing plate; the fixing plate extends outside the rear case from the hollow portion.

Optionally, two rows of claws are provided on the knife holder, and the two rows of claws are arranged in a staggered manner.

The technical solution of the present invention realizes the control of the rotation of the tool magazine door through the cooperation between the roller, the support rod and the support arm, and has a simple structure and low cost; in addition, the technical solution of this implementation realizes the tool setting through the screw assembly The drive of the frame makes the telescopic movement of the tool post more stable, thereby effectively ensuring the alignment accuracy and improving the tool change efficiency. Moreover, in the technical solution of this embodiment, by arranging two rows of claws on the tool holder, the capacity of the tool magazine can be effectively increased, and the two rows of claws are arranged alternately, which can meet the simultaneous tool change requirements of the dual spindles of the machine tool.

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 drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative effort.

Fig. 1 is a three-dimensional structural schematic view of an embodiment of the in-line tool magazine in a non-tool changing state;

Fig. 2 is a three-dimensional structural schematic diagram of a tool changing state of an embodiment of the in-line tool magazine of the present invention;

Fig. 3 is a schematic cross-sectional structure diagram of an embodiment of the in-line tool magazine of the present invention;

Fig. 4 is a partial cross-sectional structural schematic diagram of an embodiment of the in-line tool magazine of the present invention;

FIG. 5 is a perspective structural view of a guide assembly of an embodiment of the in-line tool magazine of the present invention.

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

The invention proposes an in-line tool magazine.

Referring to Fig. 1 and Fig. 2, Fig. 1 is a three-dimensional structural diagram of an embodiment of the in-line tool magazine in a non-tool changing state; Fig. 2 is a schematic three-dimensional structural diagram of an embodiment of the in-line tool magazine in a tool changing state.

In this embodiment, the in-line tool magazine includes a housing assembly 100 , a driving assembly 200 , a tool holder 300 , and a protective door structure 400 . in,

The shell assembly 100 includes a rear shell 120 and a front shell 140 fixedly connected with the rear shell 120 .

The driving assembly 200 is installed in the housing assembly 100 and is used to drive the tool holder 300 to perform telescopic movement.

Specifically, as shown in FIG. 3 , the drive assembly 200 includes a drive motor 210, a lead screw assembly 220, and a sliding plate 230; the lead screw assembly 220 converts the rotation output by the drive motor 210 into linear motion, so as to The sliding plate 230 is driven to move linearly; the sliding plate 230 is fixedly connected with the knife rest 300 to drive the knife rest 300 to move. Wherein, the driving motor 210 is preferably a servo motor.

Further, the lead screw assembly 220 includes a screw rod 222 and a screw nut 224 ; the screw rod 222 is in transmission connection with the driving motor 210 ; The driving motor 210 rotates to drive the screw rod 222 to rotate, and the rotation of the screw rod 222 drives the screw nut 224 to reciprocate on the screw rod 222, thereby converting the rotation into linear movement.

Further, the lead screw assembly 220 also includes two anti-collision pieces 228 sleeved on the screw rod 222, and the screw nut 224 is located between the two anti-collision pieces 228 to avoid collision of the screw nut 224. to the drive motor 210 or the rear case 120 to cause a malfunction. Wherein, the anti-collision member 228 may be an elastic part made of plastic material.

It is worth mentioning that the drive assembly 200 also includes components such as a motor base, a shaft coupling, a lock nut, a bearing, a bearing spacer, a bearing gland, and a washer, so as to realize the drive motor 210, the lead screw assembly 220, And the connection of the rear shell 120. This kind of connection can be realized through existing technology, which will not be repeated here.

Referring to FIG. 2 , the tool holder 300 is used for installing a tool 500 . In this embodiment, the tool holder 300 is provided with two rows of claws 320 , and the two rows of claws 320 are arranged in a staggered manner, so as to realize the simultaneous tool change of the double-spindle machine tool.

As shown in FIG. 4 , and with reference to FIGS. 1 to 3 , the protective door structure 400 includes a tool magazine door 410 rotatably connected to the front shell 140 , a brace 420 fixedly connected to the tool magazine door 410 , a fixed The roller 430 connected to the support bar 420 and the support arm 440 fixedly connected to the tool holder 300 . The tool magazine door 410 is rotatably connected to the front case through a hinge 460, preferably, the hinge 460 is a hinge.

The tool rest 300 can move telescopically, and then drive the support arm 440 to move; when the support arm 440 moves, the roller 430 rolls on the support arm 440; the support arm 440 includes a support portion 442, Guide part 444, and receiving part 446; The horizontal height of described receiving part 446 is lower than the horizontal height of described support part 442; When described roller 430 is accommodated in described receiving part 446, described tool magazine door 410 Set on the tool rest 300; when the tool rest 300 is extended, the roller 430 rolls from the receiving part 446 to the support part 442, and the tool magazine door 410 follows the roller 430 The rolling direction turns away from the knife rest 300 , and finally rotates above the knife rest 300 .

Further, as shown in FIG. 5 , the in-line tool magazine also includes a guide assembly 600, and the guide assembly 600 includes a guide rail 620, a slider 640, and a fixing plate 660; the guide rail 620 is fixedly installed on the slide On the plate 230 , the slider 640 is fixedly installed on the fixing plate 660 ; the fixing plate 660 is fixedly connected with the rear shell 120 . The fixing plate 660 is further provided with a reinforcing plate 680 for strengthening the strength of the fixing plate 660 .

Referring to FIG. 2 , the rear case 120 is provided with a hollow portion 122 corresponding to the fixing plate 660 ; the fixing plate 660 extends outside the rear case 120 from the hollow portion 122 .

When it is necessary to change the tool, the drive motor 210 rotates in the forward direction, driving the screw mandrel 222 to rotate, and the screw nut 224 moves away from the drive motor 210; Driven by 224, it also moves in a direction away from the driving motor 210, and then pushes the tool holder 300 to perform an extending action. When the tool holder 300 is extended, the roller 430 rolls from the receiving portion 446 to the support portion 442 , and the tool magazine door 410 moves away from the tool holder 300 as the roller 430 rolls. direction, and finally rotate to the top of the knife holder 300 . The tool holder 300 extends out of the tool magazine door 410 , and the spindle of the machine tool places and grabs the tool 500 carried on the tool holder 300 , thereby realizing tool change.

After the tool change is completed, the driving motor 210 rotates in the opposite direction, driving the screw mandrel 222 to rotate, and the nut 224 moves towards the direction close to the driving motor 210; Driven by it, it also moves towards the direction close to the driving motor 210, and then pulls the knife holder 300 for contraction. When the tool holder 300 is contracted, the roller 430 rolls from the supporting part 442 to the receiving part 446 , and the tool magazine door 410 faces toward the tool holder 300 as the roller 430 rolls. Rotate, and finally cover above the tool holder 300 .

In the technical solution of this embodiment, the control of the rotation of the tool magazine door 410 is realized through the cooperation between the roller 430, the support rod 420 and the support arm 440. The structure is simple and the cost is low; The lever assembly 220 realizes the driving of the tool holder 300, so that the telescopic movement of the tool holder 300 is relatively stable, thereby effectively ensuring the alignment accuracy and improving the tool changing efficiency. Moreover, in the technical solution of this embodiment, by arranging two rows of cutter claws 320 on the tool holder 300, the capacity of the tool magazine can be effectively improved, and the two rows of cutter claws 320 are arranged in an interlaced manner, which can meet the requirements of the dual spindles of the machine tool at the same time. Tool change needs.

The above is only a preferred embodiment of the present invention, and does not therefore limit the patent scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings, or direct/indirect use All other relevant technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A protective door structure of an in-line tool magazine is characterized by comprising a tool magazine door rotationally connected with a front shell, a support rod fixedly connected with the tool magazine door, a roller fixedly connected with the support rod, and a support arm fixedly connected with a tool rest; the tool rest can move telescopically, so that the supporting arm is driven to move; the roller rolls on the support arm when the support arm moves; the supporting arm comprises a supporting part, a guiding part and a containing part; the horizontal height of the accommodating part is lower than that of the supporting part; when the roller is accommodated in the accommodating part, the tool magazine door cover is arranged on the tool rest; when the tool rest extends, the roller rolls from the accommodating part to the supporting part, and the tool magazine door rotates along with the rolling direction of the roller away from the tool rest and finally rotates above the tool rest.

2. The protective door structure of an inline tool magazine according to claim 1, wherein the magazine door is rotatably coupled to the front case by a hinge.

3. The protective door structure of an inline tool magazine as set forth in claim 2, wherein said hinge is a hinge.

4. The in-line tool magazine is characterized by comprising a shell assembly, a driving assembly, a tool rest and a protective door structure; wherein,

the shell assembly comprises a rear shell and a front shell fixedly connected with the rear shell;

the driving assembly is arranged in the shell assembly and is used for driving the tool rest to do telescopic motion;

the tool rest is used for mounting a tool;

the protective door structure is the protective door assembly of any one of the preceding claims 1 to 3.

5. The inline tool magazine of claim 4, wherein the driving assembly comprises a driving motor, a lead screw assembly, and a sliding plate; the screw rod assembly converts the rotation output by the driving motor into linear motion so as to drive the sliding plate to do linear motion; the sliding plate is fixedly connected with the tool rest so as to drive the tool rest to move.

6. The inline tool magazine of claim 5, wherein the screw assembly comprises a screw rod and a nut; the screw rod is in transmission connection with the driving motor; the screw nut is fixedly connected with the sliding plate through the mounting seat.

7. The inline tool magazine of claim 5, further comprising a guide assembly including a guide rail, a slider, and a fixing plate; the guide rail is fixedly arranged on the sliding plate, and the sliding block is fixedly arranged on the fixed plate; the fixed plate is fixedly connected with the rear shell.

8. The in-line tool magazine of claim 7, wherein a reinforcing plate is further provided on the fixing plate to reinforce the strength of the fixing plate.

9. The in-line tool magazine as claimed in claim 8, wherein a hollow-out portion is provided on the rear case corresponding to the fixing plate; the fixing plate extends out of the rear shell from the hollow part.

10. The in-line tool magazine of claim 4, wherein two rows of tool jaws are provided on the tool rest, and the two rows of tool jaws are staggered.