TWM574090U - Tool changing device of machine tool magazine - Google Patents

Abstract

The present invention provides a tool changing device of a tool magazine, wherein the base is provided with a driving member, a pressure cylinder, a linking member and a knife removing member, and the driving member has a connecting portion and a dialing portion, and the piston cylinder is pivotally connected to the connecting rod. The driving member is driven to rotate, the linking member is pivotally connected to the base and adjacent to the driving member, and the linking member has a connecting portion for the movable portion to be movably sleeved, the taking member is disposed on the linking member, and the dialing portion is driven by the driving member Rotating to move the linkage with an arcuate path, so that the linkage rotates by an angle, and the cutter can swing between the vertical position and the horizontal position as the linkage rotates, thereby achieving a labor-saving driving and a swinging of the cutter Stable effect.

Description

Tool changer

This creation is about a tool changer for a tool magazine, especially a tool changer that can be used for a tool changer in a machine tool.

The conventional machine tool is a tool used for spindle machining to process a workpiece. The tools installed on the conventional spindle are manually replaced, and the installation is slow and affects the processing efficiency. Furthermore, the industry has developed an automatic tool change technology, which is provided with a tool tool magazine beside the machine tool, and a tool change device is installed between the machine tool and the tool tool magazine, and a plurality of tools for machining can be placed in the tool tool magazine. The tool can be automatically removed by the tool changer and then mounted on the spindle of the machine tool. The tool can also be taken out by the spindle and returned to the tool magazine.

For example, in the patent application No. M543136 of Taiwan Patent, the disclosed tool magazine structure has a plurality of knife sleeves, and the knife sleeve is provided with a roller, and the roller is disposed in a control part driven by a piston cylinder, and is controlled by a piston cylinder. The portion is linearly displaced, and the sleeve can be reciprocally oscillated between a vertical position and a horizontal position, and the cutter is used to drive the cutter for the reverse knife movement.

However, the control unit provided in the patent case is directly sleeved on the roller provided by the knife sleeve, that is, there is no labor-saving device between the piston cylinder and the roller provided by the knife sleeve, and the roller and the knife sleeve The force arm formed between the pistons is short, and the piston cylinder must provide sufficient force to directly drive the swing of the cutter sleeve. It can be seen that the piston cylinder must have a larger output specification, which inevitably leads to higher cost and larger volume of the piston cylinder. . In addition, the piston cylinder drive control unit drives the knife sleeve to swing in a linear displacement manner, which can make the knife sleeve achieve the effect of rapid swing, but also causes the problem that the knife sleeve is swayed and the speed is inconsistent during the swinging process.

Therefore, how to solve the problem of the tool changer of the above-mentioned conventional tool magazine is the focus of the creation.

In order to solve the above problems, the present invention provides a tool changing device for a tool magazine. When the driving member is driven by a pressure cylinder to rotate, the driving portion of the driving member moves the linking member in an arc path along with the rotation of the driving member. The splicing portion is configured to oscillate between the vertical position and the horizontal position by rotating the plucking member to complete the knives of the tool changing process.

An embodiment of the present invention provides a tool changer for a tool magazine comprising:

a pedestal

a driving member is pivotally connected to the base by a shaft member, and the driving member has a connecting portion and a dialing portion at opposite ends of the shaft member respectively, and the distance between the connecting portion and the shaft member is greater than that of the dialing portion and the shaft member distance;

a pressure cylinder is disposed on the base and has a retractable piston rod. One end of the piston rod is pivotally connected to the connecting portion, and the driving member is driven to rotate around the shaft member;

a linkage member pivotally connected to the base and adjacent to the driving member, the linking member has a set of connecting portions, and the dialing portion is movably sleeved on the sleeve portion, and the dial portion is swiped by an arc path as the driving member rotates Linking the member and rotating the linking member by an angle;

A cutter member is disposed on the linkage member and is swingable between a vertical position and a horizontal position with the rotation angle of the linkage member.

Thereby, one end of the piston rod and the linking member are connected by a rotatable driving member, and the length of the arm between the one end of the piston rod and the linking member is extended by the setting of the driving member, thereby forming a piston rod The labor-saving mechanism for telescopically driving the linkage member to swing, the pressure cylinder can reduce the output and select a smaller output specification, thereby achieving the effect that the cylinder cost can be relatively reduced and the cylinder volume can be relatively reduced.

In addition, the sliding portion of the driving member moves the sleeve portion of the linking member to be displaced by an arc-shaped path, so that the blade member rotates to swing between the vertical position and the horizontal position, and the pushing portion applies a force to the linking member. The position can be displaced in an arc along the swinging angle of the linking member, so that the knife sleeve does not have the problem of swaying and inconsistent speed before and after the swinging process, thereby making the swing of the knife sleeve stable and smooth.

For the convenience of the description, the central idea expressed in the column of the above novel content is expressed by a specific embodiment. Various items in the embodiments are depicted in terms of ratios, dimensions, amounts of deformation, or displacements that are suitable for illustration, and are not drawn to the proportions of actual elements, as set forth above.

Referring to FIG. 1 to FIG. 11 , an embodiment of the present invention provides a tool changer 100 for a tool magazine, comprising a base 10 , a driving member 20 , a pressure cylinder 30 , a linking member 40 , and a The tool holder 50 is a matrix type tool magazine 60 in the embodiment, and includes a tool holder 61, a lateral sliding seat 62 and a longitudinal sliding seat 63. The base 10 is fixed to the longitudinal sliding seat 63. The longitudinal slide 63 is slidably disposed on the lateral slide 62.

The driving member 20 is pivotally connected to the base 10 by a shaft member 21. The driving member 20 has a connecting portion 22 and a pushing portion 23. The connecting portion 22 and the sliding portion 23 are opposite to each other at the opposite ends of the shaft member 21. The distance between the portion 22 and the shaft member 21 is greater than the distance between the dial portion 23 and the shaft member 21. In the embodiment, the connecting portion 22 has a rotating shaft 221, and the dialing portion 23 has a lever 231. The connecting portion 22 and the dialing portion 23 have a shaft hole 24 through which the shaft hole 24 is bored. The driving member 20 is pivotally connected to the base 10.

The pressure cylinder 30 is disposed on the base 10, and the pressure cylinder 30 has a piston rod 31. The piston rod 31 is expandable and contractible with respect to the pressure cylinder 30. One end of the piston rod 31 is pivotally connected to the joint portion 22, and can be driven by the expansion and contraction of the piston rod 31. The driving member 20 rotates around the shaft member 21, and as the driving member 20 rotates, the coupling portion 22 and the dial portion 23 rotate in opposite directions. In the embodiment, the pressure cylinder 30 is pivotally connected to the base 10 at one end different from the piston rod 31, and one end of the piston rod 31 of the pressure cylinder 30 is connected to the rotating shaft 221, and the piston rod 31 is telescopically driven. When the driving member 20 rotates, the pressure cylinder 30 can swing naturally on the base 10.

The linking member 40 is pivotally connected to the base 10, and the position of the linking member 40 on the base 10 is adjacent to the driving member 20. The linking member 40 has a set of connecting portions, and the dialing portion 23 is movably sleeved on the socket portion. The dial portion 23 rotates the link member 40 in an arcuate path as the drive member 20 rotates (as shown in FIGS. 6 to 8), and rotates the link member 40 by an angle. In the embodiment, the angle at which the linking member 40 rotates is 90 degrees. In the embodiment, the socket portion is an elongated slot 41 corresponding to the corresponding lever 231 of the linkage member 40. The elongated slot 41 has an opening 411. The opening 411 can be movably sleeved on the extension rod 231. In the slot 41, the linkage 231 is used to move the linkage 40.

A plurality of wing portions 42 are respectively formed on the two sides of the elongated slot 41. Each of the wing portions 42 has a latching slot 43. Each of the latching slots 43 and the opening 411 are opened in the same direction, and each of the latching slots 43 is open from the opening 411. The inner contour of each abutting portion 431 corresponds to the outer contour of the rotating shaft 221, and the two abutting portions 431 alternately block the rotating shaft 221 at the vertical position P1 and the horizontal position P2, respectively, and are limited. .

In the lever 231 of the embodiment, the rod diameter and the width of the elongated slot 41 are approximately equal, and the width of the elongated slot 41 is slightly tapered at the opening 411 to form a blocking portion 412. The blocking portion 412 only occupies the opening 411. Approximately halfway, when the lever 231 is positioned in the elongated slot 41, the lever 231 is blocked at the opening 411 by the blocking portion 412, so that the lever 231 does not fall out of the elongated slot 41. In the present embodiment, as shown in FIG. 3, the elongated slot 41 has a spacing D1. The elongated slot 41 has a spacing D2 between the blocking portions 412 due to a slight taper at the opening 411, and one side of the lever 231 has a The recessed portion 231a is recessed in the radial direction of the lever 231. The lever 231 has a rod diameter d1 at a position different from the recessed portion 231a. The lever 231 has a rod diameter d2 at the position of the recessed portion 231a, and the spacing D2 is smaller than the rod diameter d1. However, it is larger than the rod diameter d2, and the distance D1 is larger than the rod diameter d1. Therefore, the lever 231 can be inserted into the elongated slot 41 by the opening 411 corresponding to the blocking portion 412 (as shown in FIG. 4), and the lever 231 is rotated. The recess 231a is made different from the direction of the blocking portion 412 so that the lever 231 can be blocked by the blocking portion 412 in the elongated slot 41 (as shown in FIG. 5).

The cutter member 50 is disposed on the linkage member 40, and the cutter member 50 is swingable between the vertical position P1 and a horizontal position P2 as the linkage member 40 is rotated by 90 degrees. The cutter member 50 of the embodiment has a cylinder block 51, and the cutter member 50 has a sleeve 52 which is telescopically disposed in the cylinder block 51. The cylinder block 51 has a joint portion 511. The 511 is fixed to the linking member 40 so that the cylinder 51 can be rotated by 90 degrees with the linking member 40. The knife sleeve 52 of the embodiment has a knife-receiving portion 521 at one end (as shown in FIG. 9 to FIG. 10), and the knife sleeve 52 engages the cutter A of the tool magazine 60 with the knife portion 521, and the knife sleeve 52 can be Controlling, the knife-receiving portion 521 is extended out of the cylinder 51, or the knife-receiving portion 521 is retracted into the cylinder 51, and when the knife-receiving portion 521 is extended from the cylinder 51, the knife-picking operation is performed, and when the knife-taking operation is completed, The blade portion 521 is retracted into the cylinder 51. In the present embodiment, the cylinder 51 controls the telescopic movement of the knife sleeve 52 by the air pressure.

A guide groove 512 is disposed on one side of the cylinder block 51, and a guide rail 53 is connected to the end of the knife sleeve 52 away from the knife-receiving portion 521. The guide rail 53 is movably extended to the guide groove 512, and the cutter sleeve 52 is in the cylinder. When the body 51 is stretched and contracted, the guide rail 53 slides along the guide groove 512 to provide a guiding effect. In this embodiment, the guide rail 53 is L-shaped and has a horizontal section 531 and a vertical section 532. The guide rail 53 is connected with the horizontal section 531 and the sleeve 52, and extends in the vertical section 532 to the guide groove 512 and can be along the guide groove. 512 slides.

As shown in Fig. 6, it is assumed that the blade 50 is at the vertical position P1 and the blade portion 521 of the blade 52 is retracted into the cylinder 51. As shown in FIG. 11, when the cutter A is taken by the cutter member 50 on the cutter holder 61, the lateral slide 62 and the longitudinal slide 63 can be actuated, that is, the lateral slide 62 drives the base 10 to be laterally displaced. The longitudinal slide 63 drives the base 10 to be longitudinally displaced to drive the base 10 to a position of the selected tool A. At this time, the knife 50 can be displaced to the horizontal position P2 for the knife taking action.

The piston member 31 of the pressure cylinder 30 is extended, and the driving member 20 coupled to one end of the piston rod 31 is counterclocked as shown in FIGS. 7 to 8. When the direction is rotated, the connecting portion 22 at this time is moved downward, and the dial portion 23 is moved upward in the opposite direction, so that the lever 231 is in an arc path (that is, the path that the lever 231 moves from FIG. 6 to FIG. 8) Displacement in the elongated slot 41 to move the linkage 40, and the link 40 is swung to the abutment portion 431 (ie, the abutment portion 431 located on the left side of the linkage 40 in FIG. 8) to block the rotation shaft 221 At this time, the cutter 50 is driven to the horizontal position P2. Then, the knife-receiving member 50 protrudes from the cylinder portion 51 by the knife-receiving portion 521 of the air pressure control knife sleeve 52. At this time, the cutter A is caught by the knife-receiving portion 521 protruding from the cylinder block 51 (as shown in FIG. 9). Then, the longitudinal slide 63 can be driven by the lateral slide 62 to take the tool A out of the tool holder 61 with a slight traverse operation, and carry the tool A to the tool change position of the machine tool.

When the tool A is changed at the tool change position, the cutter member 50 must be displaced to the vertical position P1 (as shown in Fig. 10), and the tool change arm (not shown) can be rotated to take the knife. The piston rod 31 of the pressure cylinder 30 is retracted, and the driving member 20 coupled to one end of the piston rod 31 is rotated clockwise. At this time, the connecting portion 22 is moved upward, and the dial portion 23 is moved downward in the opposite direction. The lever 231 is displaced in the arcuate path in the elongated slot 41 to move the linkage 40, and the linkage 40 is swung to the other abutment portion 431 (ie, the abutment of the upper side of the linkage 40 in FIG. 10). When the portion 431) is blocked by the rotation shaft 221 and the position is changed, the cutter holder 50 is displaced to return to the vertical position P1, and the cutter arm is rotated to take the knife. Then, the blade 50 is retracted to the cylinder 51 by the air pressure control blade 52 of the blade 52, and the blade 50 is returned to the initial state shown in FIG.

It is not difficult to find out from the above that the advantages of this creation are:

1. The tool changing device of the present invention has a driving member 20 connected between one end of the piston rod 31 and the linking member 40, and the one end of the piston rod 31 and the linking member 40 can be extended by the setting of the driving member 20. The length of the belt has the effect of increasing the force arm relative to the conventional tool changing device. When the piston rod 31 expands and contracts to drive the linkage member 40 to swing, a labor-saving mechanism is formed, so that the pressure cylinder 30 can reduce the output force, that is, the pressure cylinder 30 can be selected to be smaller. The output specifications can be used to achieve a relatively low cost of the pressure cylinder 30, and the volume of the pressure cylinder 30 can be relatively reduced.

2, the bearing member 20 of the driving member 20 toggles the linking member 40, that is, the lever 231 of the above embodiment moves the linking member 40 in the elongated slot 41, and the dialing portion 23 is displaced by an arc path. Therefore, the knife member 50 is rotated to swing between the vertical position P1 and the horizontal position P2, and the position of the biasing portion 23 to the linkage member 40 can be displaced along the swing angle of the linkage member 40, so that the knife sleeve 52 is The swinging process does not cause the problem of swaying and inconsistency of the speed, and the swing of the knife sleeve 52 can be stabilized and smooth.

3. When the wing portion 42 of the linking member 40 is disposed in the slot 43 with the abutting portion 431, when the blade member 50 is positioned at the vertical position P1 and the horizontal position P2, the two abutting portions 431 can be alternately blocked. The shaft 221 is provided to provide an effect of the positioning of the linkage 40.

4. The blocking member 412 has a blocking portion 412 at the opening 411 of the elongated slot 41, and one side of the lever 231 correspondingly has a recess 231a, so that the lever 231 can be inserted into the elongated slot 41 by the opening 411, When the lever 231 is rotated to make the concave portion 231a different from the blocking portion 412, when the lever 231 moves toward the opening 411 in the elongated slot 41, the lever diameter d1 of the lever 231 is larger than the distance D2 between the blocking portions 412, and The slidable lever 231 does not fall out of the elongated slot 41 to securely position the lever 231 in the elongated slot 41.

The above embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. All kinds of modifications or changes that are not in violation of the spirit of this creation are all in the scope of this creative intention.

100‧‧‧Tool changer

10‧‧‧ Pedestal

20‧‧‧ Drives

21‧‧‧ shaft parts

22‧‧‧Connecting Department

221‧‧‧ shaft

23‧‧‧The Ministry of Movement

231‧‧‧

231a‧‧‧ recess

24‧‧‧Axis hole

30‧‧‧Cylinder

31‧‧‧ piston rod

40‧‧‧ linkages

41‧‧‧Long trough

411‧‧‧ openings

412‧‧‧blocking

42‧‧‧ wing

43‧‧‧ card slot

431‧‧‧Apartment

50‧‧‧Get the knife

51‧‧‧Cylinder block

511‧‧‧Combination Department

512‧‧ ‧ guide slot

52‧‧‧Knife sets

521‧‧‧Knife

53‧‧‧rails

531‧‧‧ horizontal section

532‧‧‧ vertical section

60‧‧‧Magazine

61‧‧‧Tool holder

62‧‧‧ Horizontal slide

63‧‧‧Longitudinal slide

P1‧‧‧ vertical position

P2‧‧‧ horizontal position

A‧‧‧Tools

D1‧‧‧ spacing

D2‧‧‧ spacing

D1‧‧‧ rod diameter

D2‧‧‧ rod diameter

Figure 1 is a perspective view of the tool changing device of the present invention. Fig. 2 is an exploded configuration diagram of the tool changing device of the present invention. Fig. 3 is a schematic view showing the position of the lever of the present invention corresponding to the elongated slot of the linking member. Fig. 4 is a schematic view showing the lever of the present invention inserted into the elongated slot by the opening with the recess corresponding to the blocking portion. Figure 5 is a schematic view showing the direction in which the lever of the elongated slot is rotated to make the recess different from the blocking portion. Fig. 6 is a schematic view showing the position of the blade of the present invention in a vertical position in an initial state. Fig. 7 is a schematic view showing the blade member of Fig. 6 rotated by 45 degrees when the driving member drives the linking member. FIG. 8 is a schematic view showing the blade member of FIG. 7 driven by the driving member to rotate the linking member to the horizontal position. Fig. 9 is a schematic view showing the knife-removing portion of the knife-receiving member of Fig. 8 with the knife sleeve extending out of the cylinder for taking the knife. Fig. 10 is a schematic view showing the cutting portion of the blade member of Fig. 9 with the tool taken back to the vertical position. Fig. 11 is a perspective view showing the setting of the tool changing device of the present invention in the tool magazine.

Claims (10)

A tool changing device of a tool magazine, comprising: a base; a driving member pivotally connected to the base by a shaft member, the driving member having a connecting portion and a different portion at opposite ends of the shaft member a shifting portion, the connecting portion and the shaft member are greater than the distance between the dial portion and the shaft member; a pressure cylinder is disposed on the base and has a retractable piston rod, and one end of the piston rod is pivotally connected The connecting portion can drive the driving member to rotate around the shaft member; a linking member pivotally connected to the base and adjacent to the driving member, the linking member has a set of connecting portions, and the dialing portion is movable The sleeve portion is sleeved with the driving member to rotate the sleeve portion by an arc path, and the linkage member is rotated by an angle; and a cutter member is disposed on the linkage member The angle can be swung between a vertical position and a horizontal position as the linkage rotates the angle. The tool changing device of the tool magazine according to claim 1, wherein the connecting portion has a rotating shaft, and the sliding portion has a lever, and the shaft portion has a shaft hole between the connecting portion and the dial portion. The shaft is pivotally connected to the shaft, and the cylinder is pivotally connected to the base at an end different from the piston rod, and one end of the piston rod of the cylinder is connected to the rotating shaft; the sleeve is interlocked An elongated slot corresponding to the lever, the elongated slot has an opening for the lever to be movably sleeved in the elongated slot, and the lever is used to move the socket. The tool changing device of the tool magazine according to claim 2, wherein the linking member has a wing portion on each side of the elongated slot, each wing portion has a card slot, and each card slot and the opening are the same Opening, each card slot is deeper from the opening to the outside and forms an abutting portion, and the inner contour of each abutting portion corresponds to the outer contour of the rotating shaft, and the two abutting portions are alternated between the vertical position and the horizontal position, respectively Blocking the shaft and limiting it. The tool changing device of the tool magazine according to claim 2 or 3, wherein the lever diameter of the lever and the width of the elongated slot are approximately equal, and the width of the elongated slot is reduced at the opening to form a a blocking portion, when the lever is positioned in the elongated slot, the blocking portion blocks the lever from falling out of the elongated slot at the opening. The tool changing device of the tool magazine according to claim 4, wherein one side of the lever has a concave portion that is recessed in the radial direction, and the rod diameter of the lever at the position of the recess is smaller than the distance between the blocking portions, The lever is inserted into the elongated slot by the opening corresponding to the recess, and the lever is rotated to make the recess different from the direction of the blocking portion, so that the lever can be blocked by the blocking portion. Inside the long groove. The tool changing device of the tool magazine of claim 1, wherein the tooling member has a cylinder body, and a knife sleeve is telescopically disposed in the cylinder body, the cylinder body having a joint portion fixed to the linkage And rotating the angle with the linking member, the cutter sleeve has a cutter portion at one end thereof for engaging the cutter of the tool magazine, and the cutter sleeve can be controlled to extend the cutter portion to the cylinder for performing the cutter After the action is completed, the knife-removing portion is retracted into the cylinder. The tool changer of the tool magazine according to claim 6, wherein the cylinder is provided with a guide groove on one side, and the cutter sleeve is connected to a guide rail at an end away from the cutter portion, and the guide rail is movably extended In the guide groove, when the sleeve is extended and contracted in the cylinder, the guide rail slides along the guide groove to provide a guiding effect. The tool changer of the tool magazine according to claim 7, wherein the guide rail has an L-shaped horizontal section and a vertical section, and the guide rail is connected to the cutter sleeve by the horizontal section, and the vertical section is extended by the vertical section. The guide groove is slidable along the guide groove. The tool changer of the tool magazine according to claim 1, wherein the angle is 90 degrees. The tool changer of the tool magazine according to claim 1, wherein the tool magazine is a matrix tool magazine, and comprises a tool holder, a horizontal sliding seat and a longitudinal sliding seat, wherein the base is fixed to the tool holder a longitudinal sliding seat, the longitudinal sliding seat is slidably disposed on the lateral sliding seat, the lateral sliding seat drives the base to laterally displace, and the longitudinal sliding seat drives the base to be longitudinally displaced.