TW202010597A - Improved structure of turntable-type tool magazine including a tool magazine body; a tool sleeve fixing ring, and a plurality of convex parts - Google Patents

Abstract

An improved structure of a turntable-type tool magazine mainly includes: a tool magazine body; a tool sleeve fixing ring, wherein the tool sleeve fixing ring has a ring body and plural parallel, equally spaced, and pivoted convex parts with an inclined angle, the ring body is circular, the pivoted convex parts are projected from the outer peripheral surface of the ring body, and a tool sleeve turning slot is formed between every two pivoted convex parts; a plurality of tool sleeves pivoted in each tool sleeve turning slot, respectively; a turntable locked and connected to the ring body of the tool sleeve fixing ring lock; a tool-changing driving device configured to provide a rotary power and a linear motion reciprocating force. The rotary power is used to drive the turntable, the tool sleeve fixing ring, and the tool sleeve to rotate, so that one of the selected tool sleeves can be rotated to a tool-changing position, the tool-changing position is located in the fourth quadrant of the plane coordinate of the tool sleeve fixing ring instead of directly below the center of the circle, the linear motion reciprocating force is applied to pivotally rotate the tool sleeve located at the tool-changing position between a tool-retracting position and a tool-stretching position reciprocatingly.

Description

Improved structure of disc type tool magazine

This creation is related to the tool magazine of the automatic processing machine. More specifically, it refers to a disc-shaped tool magazine improved structure.

Press, most of the current automated processing machines will be equipped with a tool magazine and automatic tool change mechanism. The tool magazine stores most of the tools with different cutting effects, shapes and sizes, and then the automatic tool change mechanism is placed on the tool magazine and the main shaft of the processing machine. Tool conversion between. However, there are many types of tool magazines. Common ones include disc-type tool magazines, chain-type tool magazines, and bucket-type tool magazines. Among them, the disc type tool magazine mainly has a disc-shaped tool sleeve fixing ring 1 (as shown in the first and second figures) and a plurality of tool sleeves 2 (as shown in the third figure) for clamping the tools ), the knife sleeve fixing ring 1 protrudes on the outer peripheral surface with a number of convex portions 3 with equal spacing, a rotation groove 4 is formed between every two convex portions 3, the center of each rotation groove 4 is located on the knife sleeve The center of the fixed ring 1 extends to the equipartition line 6 radiating to the circumference, and an equipartition angle θ1 is formed between the two equipartition lines 6, and the cutter sleeves 2 are located in the turning grooves 4 and are adjacent to the convex portions The pivoting groove 5 on the 3 is pivotally connected, so that the knife sleeve 2 can pivot in the rotating groove 4 when subjected to external force. In addition, since the tool sleeves 2 of each tool magazine are arranged at equal intervals, the total number of tool sleeves 2 of the conventional disc type tool magazine shown in the third figure is 32, so each tool sleeve 2 can be evenly distributed to The equal division angle θ1 is 11.25 degrees. However, since the automatic tool changing mechanism simultaneously performs tool extraction and setting operations on the tools on the disc-type magazine and the tools on the spindle, there are only tool sets that are parallel or overlapping with the vertical line of the ground In order to carry out the tool change operation, according to the above-mentioned conventional type of tool sleeve fixing ring 1, only the tool sleeve 2 located directly below the center of the tool sleeve fixing ring can perform the tool change operation, making the tool sleeve 2 capable of performing the tool change operation The distance X1 to the forefront of the knife holder fixing ring 1 is equal to the distance X2 between the knife holder 2 capable of performing a tool change operation and the last side of the knife holder fixing ring 1. However, the processing machine using the disc type tool magazine is generally relatively small. Therefore, the spindle and the automatic tool changer are usually located near the front side in the processing machine, so that the disc type tool magazine must be installed near the front side along with the processing machine. Location. But in this way, the space between the disc-type tool magazine and the front inside the processing machine will be quite narrow, which will not only cause difficulty in assembly. Moreover, as the processing accuracy requirements of the processing machine are improved and the processing methods are more diversified, the tool magazine needs to increase the number of tool sleeves and tools that can be stored, but it is limited by the disc type tool magazine and the processing machine The space between the inside and the front is quite narrow, so it is impossible to increase the number of tool holders and their tools by increasing the outer diameter of the disc-type tool magazine.

In view of this, in order to improve the prior art, when the conventional disc-type tool magazine is installed in the processing machine, the gap between the front of the disc-type tool magazine and the processing machine is too narrow, and there are difficulties in assembly, and It is impossible to enlarge the problems of the tool sleeve and the number of tools by increasing the outer diameter of the disc type tool magazine. One of the purposes of this creation is to provide an improved structure of the disc-type magazine, which can change the position of the tool sleeve for tool change, and then adjust the position of the improved structure of the disc-type magazine in the processing machine, To avoid the problem that the gap between the front of the improved structure of the disc type tool magazine and the processing machine is too narrow, and the effect of easy assembly is achieved. Another purpose of this creation is to provide an improved structure of the disc type tool magazine, which can increase the number of tool sets and tools that can be accommodated by the improved structure of the disc type tool magazine without increasing the volume of the original processing machine. . Therefore, this creation provides an improved structure of a disc-type tool magazine, which mainly includes: a tool magazine body with a body ring; a knife sleeve fixing ring with a ring body and a number of parallel, etc. The pivoting convex portions with a pitch and an angle of inclination are formed in a ring shape. The pivoting convex portions are projected from the outer peripheral surface of the ring body, and are formed between every two pivotal convex portions There is a knife sleeve turning groove; most of the knife sleeves are respectively pivotally arranged in each knife sleeve turning groove of the knife sleeve fixing ring, and the pivot joint of each knife sleeve is between two adjacent pivoting convex portions for its pivotal connection There is a vertical relationship, one end of each knife sleeve has a clamping groove; a turntable has an annular body, a number of first bearings and a number of second bearings, the first bearings are annularly arranged at equal intervals On one side of the annular body, the second bearings are annularly arranged on the other side of the annular body at equal intervals, and the turntable is for the ring body of the knife sleeve fixing ring to be locked on its one side , So that the first bearings are located on the inner circumference of the ring of the tool sleeve fixing ring, and the second bearings surround the body ring of the tool magazine body; a tool change driving device is used to provide a Rotating power and reciprocating force of linear motion. The rotating power drives the turntable, knife sleeve fixing ring and knife sleeve to rotate through contact with the first bearing, so that one of the selected knife sleeves can be rotated to a tool change position And make the tool change position within the fourth quadrant on the plane coordinates of the tool sleeve fixing ring instead of directly below the center of the circle. The reciprocating force of the linear motion is to use the tool sleeve at the tool change position on a The reciprocating pivot is carried out from the position of retracting the knife to a position of extending the knife; thereby, it is easy to assemble and increase the number of knife sleeves and knives that can be stored.

In order to enable your reviewing committee to have a better understanding and recognition of the characteristics and characteristics of this creation, here are the following examples and descriptions in conjunction with the drawings: Please refer to the fourth to fifteenth drawings, which is a better one for this creation An improved disc-type tool magazine structure 100 provided in the embodiment mainly includes a tool magazine body 10, a tool holder fixing ring 20, a plurality of tool holders 30, a plurality of restricting pieces 40, a turntable 50, and a dust cover 60 And a tool change driving device 70, wherein: Please refer to the fourth to tenth figures, the tool magazine body 10 is fixed inside the processing machine, and the tool magazine body 10 has a body ring 11 on one side. Please refer to the fourth to tenth figures. The knife holder fixing ring 20 has a ring body 21 and a plurality of parallel, equidistant, and angled pivoting protrusions 22. In this embodiment, the pivoting protrusions The inclination angle of the portion 22 is twice the equipartition angle assigned to each pocket 30; that is, the number of pockets 30 in this embodiment is 32, then the equal split angle allocated to each pocket 30 is 11.25 degrees Therefore, the angle between each pivoting protrusion 22 and the equipartition line 90 radiating from the center of the knife holder fixing ring 20 to the circumference is the inclination angle θ2 of each pivoting protrusion 22, that is, θ2 is 22.5 degrees (As shown in the eighth and tenth figures). The ring body 21 is connected by a plurality of arc-shaped arc-shaped blocks 211 to form a ring shape; the pivoting convex portions 22 are integrally projected from the outer circumferential surface of the arc-shaped block 211 of the ring body 21 And a knife sleeve rotating groove 221 is formed between each two of the two pivotal convex portions 22. Each pivoting convex portion 22 is formed with a pivoting groove 222 on the side of each adjacent cutter sleeve rotating groove 211, that is, each pivoting convex portion 22 has a pivoting groove 222 on each side The position relationship is up and down. Please refer to the fourth to tenth figures. Each knife holder 30 has a clamping groove 31 at one end, and a pivot post 32 protrudes from the two sides. The clamping groove 31 of each knife sleeve 30 can be used for inserting and holding a knife 33 (as shown in the eleventh and twelfth figures), and each knife sleeve 30 is respectively placed on the knife sleeve of the knife sleeve fixing ring 20 The pivot groove 221 is pivotally connected to the pivot groove 222 by the pivot post 32. The pivot grooves 222 of the two adjacent pivot protrusions 22 for pivotally connecting the same knife sleeve 30 and the two pivots The convex portions 22 are in a vertical relationship. Please refer to the fourth to tenth figures, the restricting pieces 40 are respectively locked on the pivoting protrusions 22 of the knife holder fixing ring 20, and cover the pivot grooves 222 to cover the knife holder 30 The pivot post 32 is limited in the pivot slot 222 to prevent the knife holder 30 from detaching from the knife holder fixing ring 20 by itself. Please refer to the fourth to tenth figures. The turntable 50 has an annular body 51, a number of first bearings 52 and a number of second bearings 53. The first bearings 52 are annularly arranged on one side of the annular body 51 at equal intervals, and the second bearings 53 are annularly arranged on the other side of the annular body 51 at equal intervals. The turntable 50 is for the ring body 21 of the knife sleeve fixing ring 20 to be locked on one side thereof, so that the first bearings 52 are located on the inner periphery of the ring body 21 of the knife sleeve fixing ring 20, and the second bearings 53 It can wrap around and rest on the body ring 11 of the tool magazine body 10, so that when the turntable 50 is subjected to external force, the turntable 50 can rotate relative to the tool magazine body 10, and drive the tool holder fixing ring 20 and The knife holder 30 rotates synchronously. Please refer to the fourth to tenth figures. The dust cover 60 is disposed between the tool magazine body 10 and the turntable 50 to prevent foreign objects from entering the turntable 50 and the knife holder fixing ring 20. Please refer to the fourth to tenth figures. The tool change driving device 70 has a base 71, a plurality of rolling elements 72, a motor 73, a screw 74, a belt 75 and a linear drive 76. The rolling elements 72 are rotatably arranged on the base 71 and abut the turntable 50 so that the turntable cannot be separated from the tool magazine body 10; the motor 73 is arranged on the base 71 for To output a rotating power; the screw 74 is pivotally mounted on the base 71 and is in contact with the first bearing 52 of the turntable 50; the belt 75 is connected between the motor 73 and the screw 74 so that the belt 75 transmits the rotating power output by the motor 73 to the screw 74, so that when the screw 74 rotates, it continuously pushes the first bearing 52 on the turntable 50, and drives the turntable 50, the knife sleeve fixing ring 20 and The cutter sleeve 30 rotates synchronously; the linear drive 76 is disposed on the base 71 to generate a reciprocating force of linear motion. In this embodiment, the linear drive 76 is a pneumatic cylinder used to replace The knife sleeve 30 at the knife position exerts a force to drive the knife sleeve 30 to reciprocally pivot between a retracted state and a knife extension position. Therefore, the above is an introduction to the components and assembly methods of the improved structure 100 of the disc-type tool magazine provided for the creation of a preferred embodiment, and then the use characteristics are introduced as follows: First, the creation is set in automation The inside of the processing machine is located on one side of an automatic tool changer 80. In this way, when a tool changer wants to perform a tool change, the motor 73 of the tool change drive device 70 first outputs rotational power to drive the screw 74 to rotate, and the screw 74 continuously pushes the first bearing 52 on the turntable 50 , And drive the turntable 50, the knife sleeve fixing ring 20 and the knife sleeve 30 to rotate at the same time, so that the preset knife sleeve 30 and the clamped tool 33 rotate to a tool change position, then the motor 73 stops outputting, The linear drive 76 applies a force to the knife sleeve 30 at the tool change position to drive the knife sleeve 30 to pivot from the retracted state (as shown in the eleventh figure) to the extended knife state (as the twelfth) (Pictured). At this time, the automatic tool changer 80 simultaneously exchanges the tool (not shown) on a spindle and the tool 33 located at the tool change position and pivoted to the tool extension state (the exchange operation is a known technique, No more details will be added) to achieve the effect of tool change. Please refer to the eighth and tenth figures. In the embodiment with 32 knife sleeves 33, each pivoting convex portion 22 on the knife sleeve fixing ring 20 is inclined 22.5 degrees clockwise, That is, the angle of two equally divided angles is tilted. When each cutter sleeve 30 rotates to the position directly below the center of the cutter sleeve fixing ring 20 and then moves the two equally divided angle positions counterclockwise, it turns to the cutter sleeve at that position The two pivoting convex portions 22 of 30 are in a vertical relationship with the ground, and the knife sleeve 30 pivotally connected to the two pivoting convex portions 22 can drive the knife sleeve 30 in a retracted state with a linear drive 76 without interference to A reciprocating pivot between the knife extension positions, that is, the position of the tool change in this embodiment is not located directly below the center of the knife holder fixing ring 20 (as shown in the tenth figure), but is located directly below the center of the circle The position is shifted counterclockwise by two equally divided angles, that is, the tool change position is within the fourth quadrant of the plane coordinate of the tool sleeve fixing ring 20, that is, the tool sleeve 30 located at the tool change position to the knife The distance X1 between the front of the sleeve fixing ring 20 and the distance X2 between the knife sleeve 30 at the tool change position and the last side of the sleeve fixing ring 20 are not equal, and X1 is smaller than X2 (as shown in FIG. 10). Wherein, the inclination angle θ2 of each pivoting convex portion 22 can be converted according to the selected tool change position and the condition of the number of knife sleeves 30. Each pivoting convex portion 22 should be inclined by one or several equal division angles angle. Therefore, without changing the position and design of the remaining components of the processing machine, this design can be used to adjust the tool change position of the knife sleeve to a position other than directly below the center of the knife sleeve fixing ring 20, so that this creation can be It is placed in the processing machine more toward the rear, and the components that require movable displacement are usually not arranged at the rear of the processing machine. Therefore, the improved structure of the disc type tool magazine 100 installed at the rear of the processing machine is not Will affect the normal operation of the processing machine. Please refer to the thirteenth picture, the gap L1 between the conventional disc-type tool magazine and the front door of the processing machine is quite short, please refer to the fourteenth figure, but the improved structure of the disc-type tool magazine 100 and The gap L2 between the front doors of the processing machine can be increased. As a result, when the work is assembled in the processing machine, it will be easier to assemble due to the increased construction space. Moreover, since the gap between the improved structure 100 of the disc-type tool magazine and the front door of the processing machine is increased, a larger diameter tool sleeve fixing ring can be used to install more tool sleeves and knives, thereby increasing the processing machine's Functionality to meet the requirements of complex processing. In addition, although in the above embodiments, the ring system of the knife holder fixing ring is composed of a plurality of arc-shaped blocks. However, in fact, the ring body 21 of the knife holder fixing ring 20 can also be integrally formed (as shown in Fig. 15), which not only can achieve the same effect, but also the integrally formed ring body 21 can increase strength and rigidity. The above disclosures are only the preferred embodiments provided by this creation, and are not intended to limit the scope of the implementation of this creation. Any changes in the related arts of this technical field based on this creation shall be the same as this creation. Coverage.

"Knowledge" 1: Knife sleeve fixing ring 2: knife cover 3: convex part 4: turn slot 5: pivot slot 6: equal dividing line X1: distance X2: distance θ1: equal division angle "This Creation" 100: Improved structure of disc type tool magazine 10: Tool magazine body 11: Body ring 20: Knife sleeve retaining ring 21: ring body 211: Curved block 22: Pivot convex 221: Knife sleeve turning groove 222: pivot slot 30: Knife cover 31: clamping groove 32: Pivot post 33: Tool 40: limit film 50: turntable 51: ring body 52: First bearing 53: Second bearing 60: dust limit hood 70: Tool change drive 71: Dock 72: Rolling parts 73: Motor 74: screw 75: belt 76: linear drive 80: automatic tool changer θ2: tilt angle X1: distance X2: distance L1: gap L2: gap 90: equal dividing line

The first figure is a perspective view of a conventional knife holder fixing ring. The second figure is a plan view of a conventional knife holder fixing ring. The third figure is a schematic diagram of the conventional tool holder when it is set on the tool holder fixing ring for tool change. The fourth figure is a three-dimensional exploded view of a preferred embodiment provided by the author. The fifth diagram is a three-dimensional assembly diagram of the embodiment shown in the fourth diagram. The sixth figure is a plan view of the left end of the fifth figure. The seventh figure is an exploded view of partial components in the embodiment shown in the fourth figure. The eighth figure is a plan view of partial components in the embodiment shown in the fourth figure. The ninth figure is an exploded perspective view of partial components in the embodiment shown in the fourth figure. The tenth figure is only a plan combination drawing of the knife sleeve and the knife disk. The eleventh figure is only a schematic diagram showing the action of a single knife set. The twelfth figure is only a schematic diagram showing the action of a single knife set. Figure 13 is a schematic top view of the assembly position of the conventional disc-type tool magazine. The fourteenth picture is a schematic plan view of the assembly position of the disc-shaped tool magazine of this creation. Figure 15 is a perspective view of another embodiment of the knife holder fixing ring in this creation.

20: Knife sleeve retaining ring

21: ring body

211: Curved block

22: Pivot convex

221: Knife sleeve turning groove

222: pivot slot

Claims (10)

An improved structure of a disc type tool magazine, which at least includes: a tool magazine body with a body ring; a tool sleeve fixing ring, the tool sleeve fixing ring has a ring body and a plurality of parallel, equidistant, tilted angle pivots A convex portion, the ring body is in a circular ring shape, the pivotal convex portions are projected from the outer peripheral surface of the ring body, and a knife sleeve rotating groove is formed between every two pivotal convex portions; The knife sleeves are respectively pivoted in the knife sleeve rotation grooves of the knife sleeve fixing ring, and the pivotal joint of each knife sleeve is in a vertical relationship with the two adjacent pivoting protrusions for its pivotal connection. One end of the knife sleeve has a clamping groove; a turntable has an annular body, a number of first bearings and a number of second bearings, the first bearings are arranged annularly on a side of the annular body at equal intervals On the other side, the second bearings are arranged on the other side of the annular body at equal intervals in a ring shape, and the turntable is for the ring body of the knife sleeve fixing ring to be locked on its one side surface to make the first bearings Located on the inner circumference of the ring of the fixed sleeve of the knife sleeve, and the second bearings surround the body ring of the tool magazine body; a tool change driving device is used to provide a rotary power and a linear motion reciprocating effect Force, the rotating power system drives the turntable, knife sleeve fixing ring and knife sleeve to rotate through contact with the first bearing, so that one of the selected knife sleeves can be rotated to a tool change position, and the tool change position is Located in the range of the fourth quadrant on the plane coordinates of the holder sleeve instead of directly below the center of the circle, the reciprocating force of this linear motion is to use the cutter sleeve at the tool change position from a knife retracting position to a knife extending position Pivot back and forth. According to the improved structure of the disc type tool magazine described in item 1 of the patent application scope, the ring system of the tool sleeve fixing ring is made in one piece. According to the improved structure of the disc-type tool magazine described in item 1 of the patent application scope, wherein the ring system of the tool sleeve fixing ring is formed by connecting a plurality of arc-shaped arc-shaped blocks, the pivoting convex portions are from The arc-shaped blocks are formed by projecting on the outer peripheral surface. According to the improved structure of the disc-type tool magazine described in item 1 of the patent application range, wherein each pivoting convex portion is formed with a pivoting groove on the side edge of each adjacent cutter sleeve rotating groove; the second of each cutter sleeve A pivot post is protruded from each side, and each pivot post is pivotally connected in each pivot groove, and the pivot grooves of two adjacent pivot protrusions for the same knife sleeve are connected to the two pivots The convex part is in a vertical relationship. According to the improved structure of the disc-type tool magazine described in item 4 of the patent application scope, it further includes a plurality of restricting pieces, each of the restricting pieces is respectively locked on the pivoting convex portion of the knife sleeve fixing ring, and the The outer side of the pivot connection groove is covered to limit the pivot connection post of the knife sleeve in the pivot connection groove. According to the improved structure of the disc-type tool magazine described in item 1 of the scope of patent application, the angle between each pivoting protrusion and the equipartition line of the center of the knife sleeve fixing ring extending radially to the circumference is the pivoting protrusion The tilt angle. According to the improved structure of the disc-type tool magazine described in item 6 of the patent application scope, the inclination angle of each pivoting convex portion may be one or several equal division angles. According to the improved structure of the disc-type tool magazine described in item 1 of the patent application scope, wherein the tool change drive device has a base, a number of rolling elements, a motor, a screw and a linear drive; these rolling elements are It can be rotatably installed on the base and is in contact with the turntable. The motor is installed on the base to output the rotational power. The screw is pivotally installed on the base and When the first bearing of the turntable contacts, the screw is rotated by the rotating power of the motor. When the screw rotates, it continuously pushes the first bearing on the turntable to drive the turntable, knife sleeve fixing ring and knife sleeve to rotate simultaneously The linear drive is arranged on the base for generating the reciprocating force of the linear motion. According to the improved structure of the disc-type tool magazine described in item 8 of the patent application scope, wherein the tool change driving device further has a belt, the belt is connected between the motor and the screw, and the motor is output by the belt The rotating power is transmitted to the screw. According to the improved structure of the disc type tool magazine described in item 8 of the patent application range, wherein the linear drive is a pneumatic cylinder.

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