CN210499392U

CN210499392U - Drum type tool magazine and machining center

Info

Publication number: CN210499392U
Application number: CN201921134031.0U
Authority: CN
Inventors: 吴勇勇; 王焱; 李林
Original assignee: Jiangxi Hengyuan Intelligent Equipment Co ltd
Current assignee: Jiangxi Hengyuan Intelligent Equipment Co.,Ltd.
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-05-12
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a drum formula tool magazine, including the tool magazine main part, rotate the blade disc of being connected and with tool magazine main part fixed connection's deflector with the tool magazine main part, be equipped with the annular spout of taking out the edge of a knife on this deflector, still include to inject through sharp direction subassembly and beat the telescopic machanism that the sword ware was linear motion and rotate and set up in the blade disc and go out the cutter department through telescopic machanism and beat a plurality of knife pockets that the sword ware overturned. The tool magazine limits the knife forging device to do linear motion through the linear guide assembly, ensures that an arc-shaped groove on the knife forging device is precisely connected with an annular sliding groove on the guide disc, and avoids the position deviation of the arc-shaped groove; the arc-shaped groove and the outer wall of the annular sliding groove are enclosed to form a closed annular surface, so that the smooth transition of the groove surface at the joint of the arc-shaped groove and the annular sliding groove is ensured, the sliding guide part of the knife sleeve stably and smoothly moves when entering and exiting the arc-shaped groove of the knife forging device, no collision or shake exists, and the service life of the knife magazine is prolonged. The utility model also discloses a machining center with drum disk tool magazine.

Description

Drum type tool magazine and machining center

Technical Field

The utility model relates to the field of machining, especially, relate to a drum formula tool magazine and machining center.

Background

Along with the rapid development of science and technology, the market has higher and higher requirements on processing equipment, and simultaneously, the requirements on tool magazines of the processing equipment are also higher and higher. The tool magazine system is a device for storing tools and tool changing requirements in the automatic machining process, mainly comprises an automatic tool changing mechanism and a tool magazine capable of storing a plurality of tools, and is controlled by a computer program, so that various different machining requirements such as milling, drilling, boring, tapping and the like can be met, the machining time is greatly shortened, and the production cost is reduced.

The drum type tool magazine has the advantages of compact and simple structure and the like, and is very widely applied. The drum type tool magazine capable of turning 90 degrees is generally provided with a telescopic mechanism and a tool changer, and the telescopic mechanism and the tool changer are used for buckling with a selected tool sleeve during tool changing and pushing the tool sleeve to rotate from a tool retracting position to a tool changing position; or the buckled knife sleeve at the knife changing position is pulled to rotate back to the knife collecting position of the knife magazine. The tool magazine is matched to realize the actions, and a sliding groove buckled with the tool sleeve is generally arranged on the tool holder; the fixed part of the tool magazine is also provided with a plurality of annular grooves which are coaxial with the rotation center of the tool magazine and are used for ensuring smooth operation when the tool sleeve rotates on the tool magazine.

However, the existing drum-type tool magazine has the following defects:

1. the knife beating device can rotate relative to a cylinder body in the telescopic mechanism, and the knife beating sliding groove deflects relative to an ideal position; the cylinder body in the telescopic mechanism is hinged with the tool magazine main body, and the matching of the knife beating sliding groove and the annular groove is easy to generate larger errors, so that the knife beating pulley is easy to collide when entering and exiting the knife beating sliding groove.

2. Before the knife hitting chute reaches the knife hitting position, the whole mechanism is very fast; after reaching the cutter beating position, the cutter is limited by the limiting part inside the pressure cylinder, and the whole mechanism is static instantly. Spacing part and the interior motion piece of jar of pressing produce the collision, whole knife beating mechanism has great impact vibration, has adverse effect to pressing the jar life-span.

3. The knife sleeve can not be replaced or is inconvenient to replace and dismantle.

4. When the pulley of the tool case slides in the sliding groove, no extra locking or limiting exists, and under the action of gravity and vibration, the pulley easily rubs with the sliding groove, is worn and has adverse effect on the service life of the tool case and the tool magazine.

SUMMERY OF THE UTILITY MODEL

In order to overcome at least one defect in the prior art, the utility model provides a drum type tool magazine.

The utility model discloses a solve the technical scheme that its problem adopted and be:

a drum-type tool magazine, comprising: a tool magazine body; the cutter head is rotationally connected with the cutter base main body; the guide disc is fixedly connected with the tool magazine main body, an annular chute is arranged on the guide disc, and the annular chute is provided with a tool outlet; the telescopic mechanism is arranged on the tool magazine main body or the guide disc; the knife forging device is matched with the knife outlet and is arranged at the telescopic end of the telescopic mechanism, an arc-shaped groove matched and connected with the annular sliding groove is formed in the knife forging device, and a closed annular surface is defined by the arc-shaped groove and the outer side groove wall of the annular sliding groove; the cutter sleeves are circularly arranged and rotatably connected to the cutter head, rotate along the cutter head, slide along the annular sliding groove and turn over at the cutter outlet through the telescopic mechanism and the cutter beater; the linear guide assembly is used for limiting the linear movement of the knife beater.

The drum type tool magazine provided by the utility model limits the knife forging device to do linear motion through the linear guide assembly, ensures that the arc-shaped groove on the knife forging device is precisely connected with the annular sliding groove on the guide disc, and avoids the position deviation of the arc-shaped groove; the arc-shaped groove and the outer side groove wall of the annular sliding groove form a closed annular surface in a surrounding mode, the smooth transition of the groove wall at the joint position of the arc-shaped groove and the annular sliding groove is guaranteed, the sliding guide portion of the knife sleeve moves stably and smoothly when entering and exiting the arc-shaped groove of the knife forging device, collision and shaking are avoided, and the service life of the knife magazine is prolonged.

Further, the opening ends of the annular sliding groove and the arc-shaped groove face the cutter head.

Therefore, the arc-shaped groove on the knife forging device is ensured not to be opened and avoided, and the integrity of the outer side groove wall of the arc-shaped groove is ensured.

Further, the knife breaking device further comprises a limiting buffer component for buffering and limiting the knife breaking device when the knife is broken or retracted.

From this, through spacing buffering subassembly, the impact force is little, and the position is accurate when the ware of forging a knife is being beaten the sword or is receiving the sword.

Further, spacing buffering subassembly includes baffle, mount pad, bolster and locating part, the baffle set up in on the sharpener be used for with bolster and locating part butt, the mount pad set up in on the deflector, bolster and locating part set up in on the mount pad.

Therefore, the buffer and limiting effects are achieved by abutting the baffle plate with the buffer piece and the limiting piece in sequence; in a preferred embodiment, the position-limiting member is screwed to the mounting base, and the position-limiting member is adjustable to control the stroke of the knife striking device.

Furthermore, the telescopic mechanism is a pressure cylinder, a cylinder body of the pressure cylinder is connected with the tool magazine body, and a cylinder rod of the pressure cylinder is connected with the tool holder.

Therefore, the cylinder rod controls the specific cutter sleeve to turn over through the cutter beater, and the specific cutter sleeve can rotate between the cutter storage position and the cutter changing position at the cutter outlet.

Further, the linear guide assembly comprises a guide rail and a sliding block in sliding fit with the guide rail, the guide rail is fixedly connected to the tool magazine main body, and the sliding block is fixedly connected with the tool holder.

Therefore, the knife forging device is in linear sliding fit with the guide rail through the sliding block, linear motion of the knife forging device is achieved, and stability and accuracy of motion of the knife forging device are guaranteed.

Furthermore, a groove in sliding fit with the sliding block or the knife beater is arranged on the guide disc.

From this, further optimize the stability and the precision of the ware action of forging a knife through the recess, simultaneously, the recess can hold sharp guide assembly in order to reduce the whole volume of tool magazine.

Further, the knife pouch includes the knife pouch main part and set up in the guide body of knife pouch main part, the knife pouch main part with the blade disc is articulated, the guide body is in slide in annular spout and the arc wall, just during the upset of knife pouch the guide body is followed the depth direction of arc wall removes.

Therefore, when the knife pouch rotates along with the knife disc, the guide body slides in the annular sliding groove and the arc-shaped groove, and when the knife pouch overturns, the guide body moves along the depth direction of the arc-shaped groove so as to limit the action of the knife pouch and meet the use requirements of the knife pouch.

Further, the guide body is a spherical bearing or a ball.

Therefore, the guide body adopts a spherical bearing or a ball, so that the friction force of the guide body in the movement of the annular sliding groove and the arc-shaped groove is reduced, the abrasion of each part is reduced, and the service life of the tool magazine is prolonged.

Further, the cutter sleeve main body comprises a cutter holder assembly, a rotating assembly and a fixing seat connected with the cutter head, the cutter holder assembly is detachably connected with the rotating assembly, the rotating assembly is hinged with the fixing seat, and the guide body is arranged on the rotating assembly.

Therefore, the tool holder assembly is detachably connected with the rotating assembly, when a tool sleeve needs to be provided with other standard tools, the tool holder assembly can be directly replaced by the adaptive tool holder assembly, the tool sleeve does not need to be integrally detached, the operation is convenient, the replacement workload is small, and the labor cost is saved; the user only needs to be matched with one set of the tool magazine and a plurality of sets of tool holder assemblies with different standards, the requirement of using tools with different standards can be met, and the equipment cost is saved.

Furthermore, the rotating assembly and the tool holder assembly are positioned through a positioning structure, and the rotating assembly and the tool holder assembly are fixedly connected through a connecting piece.

From this, realize the quick location matching of runner assembly and cutter holder subassembly through location structure, reuse connecting piece is with both fixed connection, makes things convenient for the quick assembly disassembly of cutter holder subassembly, improves work efficiency.

Furthermore, a limiting structure is further arranged on the cutter sleeve, and when the guide body slides along the annular sliding groove, the limiting structure limits the rotation of the rotating assembly.

From this, utilize limit structure restriction runner assembly, the guide body is followed it is more stable when annular spout slides, and reduced because of gravity, centrifugal force, vibration lead to the frictional force that produces between guide body and the annular spout, reduced the wearing and tearing between guide body and the annular spout, improved the life-span of broach shell and tool magazine.

A machining center is characterized by comprising the drum type tool magazine, a tool and a tool changing mechanism.

To sum up, the utility model provides a drum disk tool magazine has following technological effect: the whole tool magazine runs stably, the noise is low, and the service life is long; when the guide body of the knife sleeve enters and exits the arc-shaped groove of the knife forging device, the action is stable and smooth, and no collision or shake exists; when the knife striking device strikes or retracts the knife, the impact force is small, and the position is accurate; the arc-shaped groove and the groove wall of the annular sliding groove are in smooth transition, and the cutter sleeve can stably slide only by one guide body, so that the structure of the cutter sleeve is simplified; the knife sleeve can be quickly disassembled and assembled in a split manner so as to be provided with various standard knives, so that the working efficiency is improved, and the equipment cost is saved; the guide body acts stably and has small friction force when the annular sliding groove slides.

Drawings

Fig. 1 is a schematic structural view of a retracting state of the embodiment of the present invention;

FIG. 2 is a schematic structural view of a cutting state according to an embodiment of the present invention;

fig. 3 is a schematic structural view of another view angle in the retracting state of the present invention;

fig. 4 is a schematic structural diagram of an initial state of the embodiment of the present invention;

FIG. 5 is an exploded view of a portion of the components of an embodiment of the present invention;

FIG. 6 is a schematic structural view of a knife pouch according to an embodiment of the present invention;

fig. 7 is an exploded view of the sheath of fig. 6.

Wherein the reference numerals have the following meanings:

1. a tool magazine body; 2. a cutter head; 3. a guide disc mounting seat; 4. a guide plate; 41. an annular chute; 42. a knife edge is formed; 43. a groove; 44. avoiding holes; 5. a telescoping mechanism; 51. a cylinder body; 52. a cylinder rod; 6. a knife making device; 61. an arc-shaped slot; 62. a top block; 7. a knife sheath; 71. a knife pouch body; 711. a toolholder assembly; 712. a rotating assembly; 7121. a through hole; 7122. a first connection portion; 7123. a hinge pin; 7124. a second connecting portion; 713. a fixed seat; 7131. a limiting hole; 714. a connecting member; 715. a positioning structure; 7151. a boss; 7152. positioning a groove; 716. a limiting structure; 72. a guide body; 721. a pin shaft; 8. a linear guide assembly; 81. a guide rail; 82. a slider; 9. a limiting buffer component; 91. a baffle plate; 92. a mounting seat; 93. a buffer member; 94. a limiting member; 10. and (4) a cutter.

Detailed Description

For better understanding and implementation, 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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 4, the utility model discloses a drum type tool magazine, including tool magazine main part 1, blade disc 2, guiding disc 4, telescopic machanism 5, the ware of beating the sword 6, a plurality of tool pockets 7, sharp direction subassembly 8 and spacing buffering subassembly 9. The drum type tool magazine limits the knife forging device 6 to do linear motion through the linear guide assembly 8, so that the arc-shaped groove 61 on the knife forging device 6 is ensured to be precisely connected with the annular sliding groove 41 on the guide disc 4, and the position deviation of the arc-shaped groove 61 is avoided; the arc-shaped groove 61 and the outer wall of the annular sliding groove 41 form a closed annular surface, so that the smooth transition of the groove surface at the joint is ensured, the sliding guide part of the knife sleeve 7 moves stably and smoothly when entering and exiting the arc-shaped groove 61 of the knife forging device 6, no collision or shake exists, and the service life of the knife magazine is prolonged. The utility model also discloses a machining center, this machining center include drum disk tool magazine, cutter 10 and tool changing mechanism.

Specifically, referring to fig. 1 and 2, in the present embodiment, the tool magazine main body 1 is fixed, and the guide disc mounting seat 3 is fixedly mounted on the tool magazine main body 1 through a bolt.

The cutter head 2 is rotatably connected with the tool magazine main body 1, and the driving mechanism on the tool magazine main body 1 drives the cutter head 2 to rotate around the central axis of the tool magazine main body 1.

Referring to fig. 1, 2, 6 and 7, the cutter sleeve 7 is circularly arranged and rotatably connected to the cutter head 2 and synchronously rotates along with the cutter head 2; specifically, the knife pouch 7 includes a knife pouch main body 71 for mounting the knife 10 and a guide body 72 arranged on the knife pouch main body 71, the knife pouch main body 71 is hinged to the knife disc 2, and the knife disc drives the knife pouch 7 to rotate synchronously, so that the knife 10 on the knife pouch main body 71 is driven to rotate together. The number of the knife sheath 7 may be plural, and the specific number is not limited by the present invention.

In a preferred embodiment, the guiding body 72 is a spherical bearing or a ball, and the spherical bearing or the ball can reduce friction force of the guiding body 72 when moving in the annular sliding slot 41 and the arc-shaped slot 61, reduce wear of each component, and prolong the service life of the tool magazine.

In this embodiment, the tool holder main body 71 includes a tool holder assembly 711, a rotating assembly 712 and a fixing seat 713, the tool holder assembly 711 is detachably connected with the rotating assembly 712, the rotating assembly 712 is hinged with the fixing seat 713, the guide body 72 is disposed on the rotating assembly 712, and the fixing seat 713 is fixed on the cutter head 2 through a screw; the rotating component 712 and the tool holder component 711 are positioned by a positioning structure 715, and the rotating component 712 and the tool holder component 711 are fixedly connected by a connecting piece 714.

When the tool holder 7 needs to be provided with other standard tools 10, the tool holder can be directly replaced by the adaptive tool holder assembly 711, the tool holder 7 does not need to be integrally detached, the operation is convenient, the replacement workload is small, and the labor cost is saved; the user only needs to be matched with one set of the tool magazine and a plurality of sets of tool holder assemblies 711 with different standards, the requirement of using tools 10 with different standards can be met, and the equipment cost is saved.

Specifically, the tool holder assembly 711 is cylindrical, a boss 7151 is arranged at one end of the tool holder assembly 711, which is far away from the clamping edge, a positioning groove 7152 which is matched with the boss 7151 in an inserted manner is arranged at one end of the rotating assembly 712, and the boss 7151 and the positioning groove 7152 form the positioning structure 715, so that the rotating assembly 712 and the tool holder assembly 711 are quickly positioned during installation. Indeed, the bosses 7151 and the positioning slots 7152 forming the positioning structure 715 may be reversed, i.e., the bosses 7151 are disposed on the rotating assembly 712 and the positioning slots 7152 are disposed on the tool holder assembly 711. In this embodiment, the protrusion 7151 may be cylindrical, truncated cone, trapezoid column, polygonal column, etc., and the present invention does not limit the specific shape and structure of the protrusion 7151 and the positioning groove 7152. From this, realize the quick location matching of runner assembly 712 and cutter holder subassembly 711 through location structure 715, reuse connecting piece 714 with both fixed connection, make things convenient for the quick assembly disassembly of cutter holder subassembly 711, improve work efficiency.

The rotating component 712 is provided with a through hole 7121 along the axial direction of the holder component 711, and the connecting piece 714 passes through the through hole 7121 and is in threaded connection with the holder component 711, so that the rotating component 712 and the holder component 711 are fixedly connected.

The end of the rotating component 712 away from the positioning groove 7152 is provided with a first connecting portion 7122, and the first connecting portion 7122 is hinged to the fixing base 713 through a hinge pin 7123.

A second connecting portion 7124 is arranged on the outer side of the rotating component 712, and a guide body 72 for selecting and reversing the knife is mounted on the second connecting portion 7124. In this embodiment, the guiding body 72 is a spherical bearing, and the spherical bearing is connected between the two second connecting portions 7124 through a pin 721.

In this embodiment, the tool sheath 7 is further provided with a limiting structure 716, the limiting structure 716 is mounted on the first connecting portion 7122, the fixing base 713 is provided with a limiting hole 7131 matched with the limiting structure 716, and when the guide body 72 slides along the annular sliding groove 41, the limiting structure 716 is matched with the limiting hole 7131 to limit the rotation of the rotating assembly 712 relative to the fixing base 713. Therefore, the guide body 72 is more stable when sliding along the annular sliding groove 41, the friction force generated between the guide body 72 and the annular sliding groove 41 due to gravity, centrifugal force and vibration is reduced, the abrasion between the guide body 72 and the annular sliding groove 41 is reduced, and the service lives of the tool case 7 and the tool magazine are prolonged.

Referring to fig. 1 and 5, the guide disc 4 is fixedly mounted on the guide disc mounting seat 3 of the tool magazine main body 1 through bolts, the guide disc 4 is located on one side of the cutter head 2 and is provided with an annular sliding groove 41 for limiting the position of the tool holder 7, the open end of the annular sliding groove 41 faces the cutter head 2, and when the tool holder 7 rotates along with the cutter head 2, the guide body 72 on the tool holder 7 slides along the annular sliding groove 41; the annular slide groove 41 is interrupted at a predetermined position, that is, at a tool changing position point (a position where the tool case 7 needs to be turned over), so that a tool exit 42 is formed, so that the tool changer 6 controls the tool case 7 to be turned over at the tool exit 42.

In this embodiment, the telescopic mechanism 5 is disposed on the guiding disc mounting base 3, and the telescopic mechanism 5 is a hydraulic cylinder and includes a cylinder body 51 and a cylinder rod 52, wherein the cylinder body 51 is fixedly mounted on the guiding disc mounting base 3 through a bolt, and the cylinder rod 52 is connected with the knife beater 6. Admittedly, the pneumatic cylinder can adopt modes such as cylinder, pneumatic cylinder, electric cylinder to realize that the flexible purpose of control unclamping ware 6 can, the utility model discloses do not specifically prescribe a limit.

In this embodiment, the knife driver 6 is matched with the knife outlet 42 and is arranged at the telescopic end of the telescopic mechanism 5, that is, the knife driver 6 is fixedly connected with the cylinder rod 52, the knife driver 6 is provided with an arc-shaped groove 61 matched and connected with the annular sliding groove 41, the opening end of the arc-shaped groove 61 is consistent with the opening end of the annular sliding groove 41 in direction, the knife driver 6 is further provided with a top block 62, the top block 62 is formed by opening a clearance position on the inner side groove wall of the arc-shaped groove 61, the top block 62 can press against the guide body 72 of the knife sleeve 7 so that the knife driver 6 pushes the knife sleeve 7 to turn downwards, and meanwhile, the clearance positions on the two sides of the top block 62 can avoid the mounting seat of the guide body 72 to prevent the knife sleeve 7 from being blocked from turning over; the arc-shaped groove 61 and the outer side groove wall of the annular sliding groove 41 form a closed annular surface, so that the smooth transition of the groove wall at the joint of the arc-shaped groove 61 and the annular sliding groove 41 is ensured, and the guide body 72 can move stably and smoothly without collision and shake when entering and exiting the arc-shaped groove 61 of the knife forging device 6, so that the service life of the knife magazine is prolonged.

Referring to fig. 1, 2 and 5, in the present embodiment, the linear guide assembly 8 is configured to limit the linear motion of the unclamping device 6, and includes a guide rail 81 and a sliding block 82 slidably engaged with the guide rail 81, the guide rail 81 is fixedly connected to the cylinder 51, and the sliding block 82 is fixedly connected to the unclamping device 6. When the telescopic mechanism 5 drives the knife forging device 6 to stretch, the knife forging device 6 is in linear sliding fit with the guide rail 81 through the sliding block 82, so that the knife forging device 6 can move linearly, and the stability and the accuracy of the action of the knife forging device 6 are ensured.

In this embodiment, still be provided with recess 43 on the guiding disc 4, the ware 6 of forging a knife slides in recess 43, further optimizes the stability and the precision of the ware 6 action of forging a knife, and simultaneously, recess 43 can hold sharp guide assembly 8 and the ware 6 of forging a knife in order to reduce the whole volume of tool magazine.

Referring to fig. 1 to 5, the limiting and buffering assembly 9 includes a baffle 91, two mounting seats 92, two buffering members 93 and two limiting members 94, the baffle 91 passes through the avoiding hole 44 on the guiding plate 4 and is fixedly mounted on the knife forging device 6, the mounting seats 92 are disposed on the guiding plate 4, the buffering members 93 and the limiting members 94 are disposed on the mounting seats 92, and the baffle 91 abuts against the buffering members 93 and the limiting members 94 to limit the knife forging device 6.

Specifically, two mounting seats 92 are mounted at two ends of the length direction of the avoiding hole 44 on the guide disc 4, the buffer member 93 and the limiting member 94 are both screwed on the mounting seats 92, and a worker can screw the limiting member 94 to adjust and control the stroke of the unclamping device 6, so as to control the turning angle of the tool sleeve 7. In the present invention, the limiting member 94 may be a bolt, or may be another structure capable of achieving adjustable blocking; the buffer 93 may be a hydraulic buffer, a cylinder, rubber, or other components having a buffering effect.

As shown in fig. 1 to 4, taking the example that four tool pockets 7 are installed in the tool magazine, the tool magazine has the following specific implementation process of tool changing:

1. and (4) selecting knives in a knife store. As shown in fig. 4, in an initial state of the tool magazine, before the tool magazine selects a tool, the axial directions of all the tool sleeves 7 are parallel to the center line of the tool magazine, the tool sleeves 7 are in a tool-preparing state, the telescopic mechanism 5 is in a contraction position, and the annular sliding groove 41 and the arc-shaped groove 61 are combined into a complete annular groove. The selected sleeve 7 is in the lower left-hand corner position. When the knife needs to be selected, the cutter head 2 drives the knife sleeve 7 at the lower left corner to rotate by an acute angle, so that the guide body 72 of the selected knife sleeve 7 enters the arc-shaped groove 61 from the annular sliding groove 41 and finally reaches the knife selecting position shown in fig. 3. In the process, the guide body 72 of the other knife holder 7 is always in the annular sliding groove 41.

2. And (5) beating the tool in the tool magazine. The knife pouch 7 of fig. 3 is in the knife selection position, and the center of the guide body 72 is on the symmetrical center line of the knife beater 6. The knife pouch 7 is still in a state of knife standby. The telescopic mechanism 5 drives the knife beater 6 to move downwards. The arc-shaped groove 61 on the knife beater 6 catches the guide body 72, and the guide body 72 moves in the arc-shaped groove 61 along the center line direction of the tool magazine and rotates around the hinge pin 7123 and moves downwards along with the knife beater 6. At this time, the position-limiting structure 716 is disengaged from the position-limiting hole 7131. After the knife sleeve 7 rotates downwards by 90 degrees, the baffle plate 91 is acted by the buffer member 93, and the speed of the knife beater 6 fixedly connected with the baffle plate 91 is gradually reduced; finally, the stop plate 91 is stopped by the stop 94, and the movement of the knife beater 6 is stopped. At this time, as shown in fig. 2, the axis of the tool case 7 is perpendicular to the tool magazine center line.

3. And (6) changing the tool magazine. And the cutter 10 in the cutter sleeve 7 at the cutting position is replaced by the cutter changing mechanism to complete cutter changing.

4. And (5) retracting the tool in the tool magazine. The cutter sleeve 7 which completes the cutter changing is still at the cutter beating position and is in the cutter beating state. The telescopic mechanism 5 is contracted upwards to drive the knife beating device 6 to move upwards. The arc-shaped groove 61 on the cutter beater 6 buckles the guide body 72; the guide body 72 moves in the arc-shaped groove 61 along the direction of the center line of the tool magazine; while moving upward with the sharpener 6 and rotating about the hinge pin 7123. After the knife sleeve 7 rotates upwards by 90 degrees, the baffle plate 91 is acted by the buffer member 93, and the speed of the knife beater 6 fixedly connected with the baffle plate 91 is gradually reduced; finally, the stop plate 91 is stopped by the stop 94, and the movement of the knife beater 6 is stopped. As shown in fig. 1, the holder 7 returns to the standby state.

The tool magazine returns to the initial state. The cutter sleeve 7 which finishes the cutter collection is driven by the cutter head 2 to rotate reversely by an angle (the size is the same as that of the cutter selection of the cutter library), and then the cutter can return to the initial state of the cutter library.

In summary, the drum type tool magazine provided by the utility model has the advantages of stable overall operation, low noise and long service life; when the guide body 72 of the knife sleeve 7 enters and exits the arc-shaped groove 61 of the knife forging device 6, the action is stable and smooth, and no collision or shake exists; when the knife beating device 6 beats or retracts the knife, the impact force is small, and the position is accurate; the arc-shaped groove 61 and the groove wall of the annular sliding groove 41 are in smooth transition, the knife pouch 7 can slide stably only by one guide body 72, and the structure of the knife pouch 7 is simplified; the knife sleeve 7 can be quickly disassembled and assembled in a split manner so as to be provided with various standard knives 10, so that the working efficiency is improved, and the equipment cost is saved; the guide body 72 operates smoothly and has a small friction force when the annular slide groove 41 slides.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. A drum-type tool magazine, comprising:

a tool magazine body (1);

the cutter head (2) is rotationally connected with the tool magazine main body (1);

the guide disc (4) is fixedly connected with the tool magazine main body (1), an annular sliding groove (41) is formed in the guide disc (4), and the annular sliding groove (41) is provided with a knife outlet (42);

the telescopic mechanism (5) is arranged on the tool magazine main body (1) or the guide disc (4);

the knife forging device (6) is matched with the knife outlet (42) and is arranged at the telescopic end of the telescopic mechanism (5), an arc-shaped groove (61) matched and connected with the annular sliding groove (41) is formed in the knife forging device (6), and a closed annular surface is formed by the arc-shaped groove (61) and the outer side groove wall of the annular sliding groove (41) in a surrounding mode;

the cutter sleeves (7) are circularly arranged and rotatably connected to the cutter head (2), the cutter sleeves (7) rotate along with the cutter head (2) and slide along the annular sliding groove (41), and the knife outlet (42) is overturned through the telescopic mechanism (5) and the knife beater (6);

a linear guide assembly (8) to limit linear movement of the beater (6).

2. The drum magazine according to claim 1, characterized in that the open ends of the annular chute (41) and the arc-shaped groove (61) are both directed towards the cutter head (2).

3. The drum type tool magazine according to claim 1, further comprising a limit buffer assembly (9) for buffering and limiting the knife beater (6) when beating or retracting the knife.

4. The drum-type tool magazine according to claim 3, wherein the limiting buffer assembly (9) comprises a baffle (91), a mounting seat (92), a buffer member (93) and a limiting member (94), the baffle (91) is disposed on the unclamping device (6) and is used for abutting against the buffer member (93) and the limiting member (94), the mounting seat (92) is disposed on the guide plate (4), and the buffer member (93) and the limiting member (94) are disposed on the mounting seat (92).

5. The drum tool magazine according to claim 1, wherein the telescopic mechanism (5) is a hydraulic cylinder, a cylinder body (51) of the hydraulic cylinder is connected to the magazine body (1), and a cylinder rod (52) of the hydraulic cylinder is connected to the cutter beater (6).

6. The drum-type tool magazine according to claim 5, characterized in that the linear guide assembly (8) comprises a guide rail (81) and a sliding block (82) in sliding fit with the guide rail (81), the guide rail (81) is fixedly connected to the tool magazine body (1), and the sliding block (82) is fixedly connected with the unclamping device (6).

7. The drum magazine according to claim 6, characterized in that the guiding disc (4) is provided with a groove (43) which is in sliding fit with the slider (82) or the beater (6).

8. The drum-type tool magazine according to any one of claims 1 to 7, wherein the tool sleeve (7) comprises a tool sleeve main body (71) and a guide body (72) arranged on the tool sleeve main body (71), the tool sleeve main body (71) is hinged with the cutter head (2), the guide body (72) slides in the annular sliding groove (41) and the arc-shaped groove (61), and the guide body (72) moves along the depth direction of the arc-shaped groove (61) when the tool sleeve (7) is turned.

9. The drum magazine according to claim 8, wherein the guiding bodies (72) are spherical bearings or balls.

10. The drum tool magazine according to claim 8, characterized in that the tool sleeve body (71) comprises a tool holder assembly (711), a rotating assembly (712) and a fixed seat (713) connected with the cutter head (2), the tool holder assembly (711) is detachably connected with the rotating assembly (712), the rotating assembly (712) is hinged with the fixed seat (713), and the guide body (72) is arranged on the rotating assembly (712).

11. The drum magazine as claimed in claim 10, characterized in that the rotary assembly (712) and the tool holder assembly (711) are positioned by a positioning structure (715), and the rotary assembly (712) and the tool holder assembly (711) are fixedly connected by a connecting member (714).

12. The drum type tool magazine according to claim 10, wherein a limiting structure (716) is further arranged on the tool sleeve (7), and when the guide body (72) slides along the annular sliding groove (41), the limiting structure (716) limits the rotation of the rotating assembly.

13. A machining center, characterized by comprising a drum magazine according to any one of claims 1 to 12, a tool (10) and a tool changing mechanism.