TWM562738U - Tool slewing mechanism of tool magazine - Google Patents

Abstract

A tool turning mechanism of a tool magazine is used to take out one of the tool sleeves in the tool magazine out of the tool magazine. The tool rotation mechanism has a base fixed on one side of the tool magazine, and a rotating shaft rotatably passes through the two shafts of the base. In the hole, a cantilever is coupled to the middle part of the rotating shaft and can grasp the knife sleeve. The upper and lower parts of the rotating shaft are supported by the base, respectively. The stable rotating shaft provides good support for the cantilever combined with it, so that the cantilever can stably rotate with the rotation of the rotating shaft.

Description

Tool turning mechanism of tool magazine

This creation is related to machining center machines; in particular, it refers to the tool turning mechanism of the tool magazine of a machining center machine.

According to the press, the machining center machine is usually equipped with a tool magazine. There are a number of tool sleeves arranged in the tool magazine, and different tools are inserted in the tool sleeve. Then, a tool or tool changing mechanism is used to grab the tools in the tool magazine and install them. To the machining spindle for subsequent cutting operations. Taking a horizontal machining center as an example, the tool magazine has a transmission chain belt for driving a plurality of tool sleeves with inserted tools to move along a predetermined trajectory. Rotate the mechanism in order to grab the tool holder at a specific position on the track and take it out of the magazine. Then, the tool on the tool holder is fastened to the tool changer and exchanged with the tool on the processing spindle.

Known in Taiwan Patent No. M274195, a new type of patent case discloses a tool moving device capable of taking a tool cover out of a tool magazine and having a rotating function. The patented tool moving device includes two thick solids fixed on one side of the tool magazine. A fan-shaped plywood base is provided with an actuating lever which can be pivoted by operation between the two plywood bases. The actuating lever can be combined to drive the knife sleeve to move. It is true that the aforementioned structure can achieve the purpose of taking the knife cover out of the magazine. However, the patented actuating lever is sandwiched between the two splint bases. At least one of the splint bases must be removed before repairing. Follow-up actions, therefore, increase the inconvenience of disassembly and assembly, and the splint seat effectively and stably supports the actuating rod, and the fan-shaped production not only occupies space and increases cost, but also hides the lack of contact friction with the actuating rod.

In view of this, the purpose of this creation is to provide a tool turning mechanism of a tool magazine, which is easy to disassemble and facilitate maintenance.

In order to achieve the above purpose, the present invention provides a tool rotation mechanism of a tool magazine, which is used to move one of the plurality of tool sleeves in the tool magazine. The tool sleeve is for inserting a tool, and the rotation mechanism includes a base. , A shaft and a cantilever. The base is combined with an upper shaft hole and a lower shaft hole at a distance from one side of the tool magazine; a rotating shaft passes through the upper shaft hole and the lower shaft hole of the base and is controlled to rotate; a cantilever Then, it is coupled to a position where the rotating shaft is located between the upper shaft hole and the lower shaft hole, and the cantilever is swiveled by the rotating shaft. One end of the cantilever can be combined with a knife cover.

The effect of this creation is that the upper and lower parts of the rotating shaft are supported by the base, respectively, so that the cantilever combined with the rotating shaft body can be stably driven to perform the turning action.

In order to explain this creation more clearly, a preferred embodiment is described in detail below with reference to the drawings. Please refer to FIG. 1 to FIG. 3. The tool magazine rotary mechanism 100 of a preferred embodiment of the present invention is applied to a machining center machine, such as a horizontal machining center machine, but not limited thereto. The slewing mechanism 100 includes a base 10, a rotating shaft 20, an actuating cylinder 30, and a cantilever 40. The base 10 is coupled to one side of a tool magazine (not shown) of a machining center machine, and is preferably next to the tool. One side of the transfer path of the knife holder 200 in the library so that the knife holder 200 can be grasped smoothly; the rotating shaft 20 is driven by the actuating cylinder 30 to rotatably pass through the base 10; 200 out of the magazine.

Please refer to FIG. 4 and FIG. 5. The base 10 in this embodiment has a side plate 12 fixed to the side of the tool magazine, and an upper support body 14 and a lower support body 16 which are connected to the side plate 12 and spaced up and down. The supporting body 14 has a receiving chamber 14a and an upper shaft hole 14b communicated with the receiving chamber 14a; the lower supporting body 16 has a lower shaft hole 16a coaxially disposed with the upper shaft hole 14b.

The rotating shaft 20 is a cylinder and penetrates the upper shaft hole 14b and the lower shaft hole 16a. One end of the rotating shaft 20 projects into the receiving chamber 14a and has a gear portion 22 at the end. Please match it again as shown in FIG. 6. The rotary shaft 20 is respectively provided with a spacer ring 50 on the outside corresponding to the upper shaft hole 14b and the lower shaft hole 16a, and a rotary oil seal 60 is provided on the outside of the spacer ring 50. The spacer ring 50 has the function of stabilizing the rotating shaft 20, and the rotary oil seal 60 has the effects of preventing dust, keeping the lubricating oil from leaking out, and making the rotating shaft 20 rotate more smoothly.

In addition, the rotating shaft 20 is also provided with a bearing, such as but not limited to, the oblique column bearing 70 at the positions corresponding to the upper shaft hole 14b and the lower shaft hole 16a. The oblique column bearing 70 is located immediately outside the spacer ring 50. The oblique column bearing 70 not only contributes to the smooth rotation of the rotating shaft 20, but also has a large number of inclined columns 72. When the cantilever 40 is combined with the rotating shaft 20 to cause a side weight, it can effectively disperse the side gravity to avoid structural It is preferable that the inclined column 72 of the inclined column bearing 70 provided in the upper shaft hole 14b is deviated from the rotating shaft 20, and the inclined column 72 of the inclined column bearing 70 provided in the lower shaft hole 16a is close to the bottom end. 20 shafts.

The above-mentioned oblique column 72 is a cylinder having an equal diameter, but it is not excluded that the inclined column 72 may be a cone. In addition, the bearing may be a ball bearing or a roller bearing in addition to the oblique column bearing 70, and the end is selected according to actual use requirements. In addition, a bearing gland 18 is locked on the bottom surface of the support body 16 under the base 10 to close the lower shaft hole 16a and prevent the aforementioned bearing from loosening.

The actuating cylinder 30 is coupled to the outside of the upper support body 14 of the base 10 and has a telescopic rod 32 which is controlled to be displaced. One end of the telescopic rod 32 extends into the receiving chamber 14a and is coupled with a rack 34. The rack 34 engages the Gear portion 22 of the rotating shaft 20. When the telescopic rod 32 is manipulated to move forward or backward, the engaged gear portion 22 can drive the rotating shaft 20 to rotate forward and reverse. In this embodiment, the movement stroke of the telescopic rod 32 is set to The rotating shaft 20 can be driven to rotate within a range of ninety degrees.

The cantilever 40 is coupled to the rotating shaft 20 and one end is used to combine a knife cover 200. The cantilever 40 swings with the rotation of the rotating shaft 20 to bring the knife cover 200 out of the magazine. Wherein, the portion of the rotating shaft 20 between the upper support body 14 and the lower support body 16 has a non-circular body 24 in a radial section, and the portion where the cantilever 40 is combined with the rotating shaft 20 is a hole-shaped fit. The insertion hole of the body 24 is so that the rotating shaft 20 can drive the cantilever 40 to rotate. Please refer to FIG. 7 to FIG. 9, the body portion 24 of the rotating shaft 20 of this embodiment has a circular arc surface 24 a and a flat cutting surface 24 b. One end of the cantilever 40 which is different from the combination of the knife cover 200 forms a hook portion 42, and the end A plurality of bolts 44 are fixedly connected to a pressing plate 46 and clamp the body portion 24, wherein an inner wall 42a of the hook portion 42 matches the arc surface 24a of the body portion 24. The pressing plate 46 has a flat surface 46a to press Adhere to the flat cut surface 24b, the space surrounded by the inner wall 42a and the plane 46a constitutes the penetration hole. The design of the aforementioned pressing plate 46 in combination with the hook portion 42 is convenient and quick to disassemble.

The above is the description of the components of the tool magazine tool turning mechanism 100 of the preferred embodiment of the present invention. Since the upper and lower parts of the rotation shaft 20 are supported by the upper support body 14 and the lower support body 16 of the base 10 respectively, supplemented by the interposition of the spacer ring 50, the rotary oil seal 60 and the oblique column bearing 70, the rotation shaft 20 is firmly combined with the base The seat 10 can rotate smoothly. The stable rotating shaft 20 provides good support to the cantilever 40 combined with it, so that the cantilever 40 can be stably driven to rotate. In addition, the cantilever 40 is made in a way that can be separated from the rotating shaft 20, and has the effect of being easy to disassemble and facilitate maintenance. Compared with the above-mentioned known patent No. M274195 patent technology, this creative technology is indeed practical and progressive.

It is further explained that the telescopic rod 32 of the actuating cylinder 30 in the state shown in FIG. 3 is extended outward. At this time, the cantilever 40 is located at the first position P1, and the telescopic rod 32 of the actuating cylinder 30 in the state shown in FIG. 10. In order to retract into the cylinder, the cantilever 40 is driven to the second position P2, and the tool holder 200 is moved between the first position P1 and the second position P2. In addition, in order to ensure the final position of the cantilever 40, the slewing mechanism of the present invention can further choose to provide at least one contacted portion at a predetermined portion of the base 10 and at least one contact portion at a predetermined portion of the cantilever 40. When the contact portion abuts When the contacted part is connected, the cantilever 40 effectively stops the swing, and no situation that exceeds the predetermined stroke will occur. In this embodiment, the base 10 has two contacted portions made of bolts 80, and the bolts 80 are respectively locked into the screw holes 10a (refer to FIG. 5) at different positions on the base 10 and the locking depth can be adjusted; The cantilever 40 also has two contact portions composed of bolts 90, and the bolts 90 are also locked into screw holes 40a at different positions on the cantilever 40 in such a manner that the locking depth can be adjusted. When the head of one of the bolts 80 on the base 10 contacts the head of one of the bolts 90 on the cantilever 40, it means that the cantilever 40 does not exceed the predetermined stroke, and the bolts 80 and 90 can be adjusted respectively. The depth is locked to change the timing of touching each other, so as to achieve the purpose of finely adjusting the swing of the cantilever 40.

The above description is only the preferred and feasible embodiment of this creation. For example, the equivalent changes of applying the description of this creation and the scope of patent application should be included in the scope of patent of this creation.

[This creation]
100‧‧‧ Slewing mechanism
10‧‧‧ base
10a‧‧‧Screw hole
12‧‧‧Side
14‧‧‧ Upper support
14a‧‧‧Capacity Room
14b‧‧‧Upper shaft hole
16‧‧‧ lower support
16a‧‧‧Lower shaft hole
18‧‧‧bearing gland
20‧‧‧ shaft
22‧‧‧ Gear Department
24‧‧‧ Body
24a‧‧‧arc surface
24b‧‧‧Flat section
30‧‧‧ Actuator
32‧‧‧ Telescopic Rod
34‧‧‧ Rack
40‧‧‧ cantilever
40a‧‧‧Screw hole
42‧‧‧Hook Department
42a‧‧‧Inner wall
44‧‧‧ Bolt
46‧‧‧Press plate
46a‧‧‧plane
50‧‧‧ septa
60‧‧‧rotating oil seal
70‧‧‧ oblique column bearing
72‧‧‧ inclined column
80‧‧‧ Bolt
90‧‧‧ Bolt
200‧‧‧ Knife Cover
P1‧‧‧First position
P2‧‧‧Second position

Figure 1 is a perspective view of the tool turning mechanism of the tool magazine of a preferred embodiment of the invention; Figure 2 is another perspective view of the tool turning mechanism shown in Figure 1; Figure 3 is a top view of Figure 1, revealing that the cantilever is in the first position Figure 4 is a perspective view of the rotating shaft and other components of the tool turning mechanism in Figure 1; Figure 5 is a perspective view of the base of the tool rotating mechanism in Figure 1; Figure 6 is a rotating shaft of the tool turning mechanism in Figure 1 and other components An exploded perspective view; Fig. 7 is a perspective view of a rotating shaft and a cantilever of the tool turning mechanism in Fig. 1; Fig. 8 is an exploded perspective view of Fig. 7; Fig. 9 is a cross-sectional view taken in the direction of 9-9 of Fig. 7; Two positions.

Claims (10)

A tool turning mechanism of a tool magazine is used to move one of a plurality of tool sleeves in the tool magazine. The tool sleeve is used for inserting tools. The turning mechanism includes: a base, which is combined with the tool magazine. An upper shaft hole and a lower shaft hole separated by a distance from the side; a rotating shaft is passed through the upper shaft hole and the lower shaft hole of the base and is controlled to rotate; a cantilever is connected to the The rotating shaft is located between the upper shaft hole and the lower shaft hole, and the cantilever is swung by the rotating shaft, and one end of the cantilever can be combined with a knife cover. The tool turning mechanism of the tool magazine according to claim 1 includes two rotary oil seals disposed on the rotating shaft and respectively located in the upper shaft hole and the lower shaft hole of the base. The tool turning mechanism of the tool magazine according to claim 2 includes two spacer rings respectively sleeved between the rotating shaft and a corresponding rotating oil seal. The tool turning mechanism of the tool magazine according to any one of claims 1 to 3 includes two bearings sleeved on the rotating shaft and respectively located in the upper shaft hole and the lower shaft hole of the base. The tool turning mechanism of the tool magazine according to claim 4, wherein the two bearings are oblique column bearings, and most of the oblique columns of the oblique column bearings are cones or cylinders of equal diameter. The tool turning mechanism of the tool magazine according to claim 1, wherein a portion of the rotating shaft between the upper shaft hole and the lower shaft hole has a non-circular body with a radial section; the cantilever is different from combining the tool One end of the sleeve is provided with a through hole that is shaped to fit the body, and the body of the rotating shaft is inserted through the through hole. The tool turning mechanism of the tool magazine according to claim 6, wherein the body portion of the rotating shaft has an arc surface and a flat cut surface; one end of the cantilever forms a hook portion and is fixedly connected to a pressure plate to enclose the rotating shaft. A body part, an inner wall of the hook part is matched with the arc surface of the body part, and the pressing plate has a plane pressing against the plane cutting plane, wherein the inner wall and the space surrounded by the plane form the penetrating hole. The tool turning mechanism of the tool magazine according to claim 1, comprising an actuating cylinder coupled to the base, the actuating cylinder having a telescopic rod controlled for displacement, one end of the telescopic rod being combined with a rack, and one end of the rotating shaft having a gear Part, the rack meshes with the gear part. The tool turning mechanism of the tool magazine according to claim 1, wherein the base has at least one contacted portion, and the cantilever has at least one contact portion. When the contact portion abuts the contacted portion, the cantilever stops swinging. The tool turning mechanism of the tool magazine according to claim 9, wherein at least one of the contact portion and the contacted portion is a bolt, the bolt is locked into a screw hole of the base or the cantilever, and the bolt can be The depth of the screw hole is adjusted.