CN110977571A

CN110977571A - Chain type tool magazine

Info

Publication number: CN110977571A
Application number: CN201911330543.9A
Authority: CN
Inventors: 夏冬; 周俊满; 董军辉
Original assignee: 夏冬
Current assignee: Anhui Tianjing Mould Technology Co., Ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-04-10
Anticipated expiration: 2039-12-20
Also published as: CN110977571B

Abstract

The invention relates to the field of numerical control machines, in particular to a chain type tool magazine which comprises an installation frame, a driving mechanism, a locking mechanism and tool holders, wherein the driving mechanism is installed in the installation frame, the locking mechanism is connected to the lower side of the driving mechanism, a plurality of tool holders are installed on the driving mechanism, the installation frame comprises a bottom plate, an outer ring plate, an outer connecting cylinder, a first screw rod, a first nut, an inner connecting cylinder, a second screw rod, a second nut and a top plate, the outer ring plate and the top plate are arranged above the bottom plate, the outer ring plate is sleeved on the outer side of the top plate, and a plurality of outer connecting cylinders are arranged between the outer ring plate and the bottom plate. The lock rod can be pulled out from the existing lock hole to be unlocked, and the lock rod can be inserted into the next lock hole to be positioned.

Description

Chain type tool magazine

Technical Field

The invention relates to the field of numerical control machine tools, in particular to a chain type tool magazine.

Background

The chain tool magazine is a tool magazine form in the digit control machine tool, compares with the disc type guide rail, and the chain tool magazine has the advantage that the cutter capacity is big, but the chain formula structure of traditional chain tool magazine does: the cutter is placed on the chain, the chain needs to move back and forth, and rigid support of the whole chain cannot be achieved.

For the chain type tool magazine, the chain is a bearing system and a transmission system, which determines that the chain type tool magazine has obvious defects: mechanical rigidity is poor, transmission clearance is big to cause the tool magazine positioning accuracy poor, in order to improve positioning accuracy, need supporting complicated examine accuse circuit, just can realize quick and accurate positioning, and the storage sword structure of current chain tool magazine is complicated, adopts at least one locking mechanism to lock, when taking, need earlier with locking mechanism unblock could take the cutter, the operation is complicated, and mechanical failure appears easily, makes depositing and taking flow inefficiency of cutter.

Disclosure of Invention

The invention provides a chain type tool magazine, aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a chain type tool magazine comprises a mounting rack, a driving mechanism, a locking mechanism and a tool holder, wherein the driving mechanism is arranged in the mounting rack, the lower side of the driving mechanism is connected with a locking mechanism, a plurality of tool holders are arranged on the driving mechanism, the mounting rack comprises a bottom plate, an outer ring plate, an outer connecting cylinder, a first screw rod, a first nut, an inner connecting cylinder, a second screw rod, a second nut and a top plate, an outer ring plate and a top plate are arranged above the bottom plate, the outer ring plate is sleeved outside the top plate, a plurality of outer connecting cylinders are arranged between the outer ring plate and the bottom plate, a first screw rod is sleeved in each outer connecting cylinder, two ends of the first screw rod respectively penetrate through the outer ring plate and the bottom plate and are connected with a first nut through threads, be equipped with a plurality of internal connection section of thick bamboos between roof and the bottom plate, all the cover is equipped with No. two screws rods in the internal connection section of thick bamboo, the both ends of No. two screws rods pass roof and bottom plate screwed connection respectively and have No. two nuts.

Specifically, the driving mechanism comprises a driving motor, a first rotating shaft, a second rotating shaft, a chain wheel, a chain, a deflector rod, a slide rod, a limiting plate and a jack, wherein a plurality of second rotating shafts are sequentially embedded at the edge of the top plate, the second rotating shaft is rotationally connected with the top plate through a bearing, the lower ends of the second rotating shaft are fixedly connected with chain wheels, a plurality of chain wheels are in transmission connection with chains, a deflector rod is welded on a chain link of the chain, the driving motor is fixed in the middle of the lower side of the bottom plate through a screw, an output shaft of the driving motor penetrates through the bottom plate and is fixedly connected with a first rotating shaft, the top end of the first rotating shaft is fixedly connected with one chain wheel, a plurality of sliding rods are uniformly distributed in an annular gap between the outer ring plate and the top plate, limiting plates are fixedly sleeved on the outer side of the sliding rod and the upper and lower sides of the top plate, and inserting holes are formed in the outer wall of the bottom end of the sliding rod.

The locking mechanism comprises a disc, a locking hole, a locking rod, a shifting plate, a spring, a hinged seat, an electric telescopic handle, a hinged seat and a sliding rail, wherein the disc is fixedly sleeved outside a rotating shaft of air pressure, a plurality of locking holes are formed in the edge of the disc at equal intervals, the sliding rail is screwed on the lower side of the bottom plate, the sliding rail is embedded with the hinged seat of two numbers, the hinged seat is fixedly connected with the electric telescopic handle of two numbers, one side of the sliding rail is embedded in the bottom plate and is provided with the locking rod, the hinged seat is fixedly connected with the bottom end of the locking rod, the shifting plate is fixedly sleeved on the outer side of the locking rod and the upper side of the bottom plate, and the spring is sleeved between the shifting plate and the bottom plate.

The cutter holder comprises three hinged seats, a swing rod, a guide rod, a limiting cylinder, a sliding plate, a second spring, a chuck, a half clamping groove, a workpiece taking groove and a semicircular groove, wherein the three hinged seats are symmetrically arranged on two sides of the sliding rod, the swing rod is hinged with the two three hinged seats respectively, the chuck is arranged at one end of the swing rod, one end, far away from the chuck, of the swing rod is connected with the guide rod in a rotating mode, the limiting cylinder is arranged between the guide rods, one end, far away from the swing rod, of the guide rod penetrates through the sliding plate fixedly connected with the limiting cylinder, the two springs are fixedly connected between the sliding plates, the two chucks are symmetrically arranged on the sliding rod, the half clamping groove is arranged on the adjacent side of the chuck, the semicircular groove is arranged in the middle of the bottom wall of the half clamping groove, and the workpiece taking groove is arranged in.

Specifically, an annular track is arranged between the outer ring plate and the top plate, and external threads are arranged on the outer walls of the end portions of the first screw rod and the second screw rod.

Specifically, the slide bar and the inner wall of the annular track are in sliding connection, one end, far away from the chain, of the shifting rod is inserted into an adjacent jack, the position of the lock rod corresponds to the position of the lock hole, the second hinged seat is in sliding connection with the slide rail, the slide plate is in sliding connection with the inner wall of the limiting barrel, and a prop is installed between the chucks.

The invention has the beneficial effects that:

(1) according to the chain type tool magazine, the chain drives the chain wheels to rotate, so that the driving rod on the chain link rotates circularly, the driving rod can pull the sliding rod to slide along the annular rail in the moving process, tool holders on the tool changing station can be continuously alternated, the locking rod can be pulled out from the existing locking hole to be unlocked through the arrangement of the electric telescopic rod and the overload prevention structure, the locking rod can be inserted into the next locking hole to be positioned, the position of the tool holder on the tool changing station can be accurate, and the tool can be conveniently replaced and taken.

(2) According to the chain type tool magazine, the positioning structure can rotate to push the two chucks open, when the tool positioning structure rotates ninety degrees, the positioning structure is embedded into the workpiece taking groove, the two chucks are closed again, the mechanical clamp contracts, the tool can be taken out vertically, and the chuck with a special structure is adopted to clamp the tool to be matched with a tool changing machine to operate, so that the tool is stored and taken out.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a sectional view of a chain magazine according to the present invention;

FIG. 2 is a schematic view of an annular track of a chain magazine according to the present invention;

FIG. 3 is a schematic view of a tool holder assembly of a chain magazine according to the present invention;

FIG. 4 is a sectional view of a structure of a limiting cylinder of the chain magazine according to the present invention;

FIG. 5 is a schematic view of a locking mechanism of a chain magazine according to the present invention;

fig. 6 is an enlarged view of a structure a in fig. 1 of a chain magazine according to the present invention.

In the figure: 1. a mounting frame; 11. a base plate; 12. an outer ring plate; 13. an outer connecting cylinder; 14. a first screw rod; 15. a first nut; 16. an inner connecting cylinder; 17. a second screw; 18. a second nut; 19. a top plate; 2. a drive mechanism; 21. a drive motor; 22. a first rotating shaft; 23. a second rotating shaft; 24. a sprocket; 25. a chain; 26. a deflector rod; 27. a slide bar; 28. a limiting plate; 29. a jack; 3. a locking mechanism; 31. a disc; 32. a lock hole; 33. a lock lever; 34. dialing a plate; 35. a first spring; 36. a first hinge base; 37. an electric telescopic rod; 38. a second hinge base; 39. a slide rail; 4. a tool holder; 41. a third hinge base; 42. a swing rod; 43. a guide bar; 44. a limiting cylinder; 45. a slide plate; 46. a second spring; 47. a chuck; 48. a half-clamping groove; 49. a workpiece taking groove; 410. a semicircular groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the chain type tool magazine comprises an installation frame 1, a driving mechanism 2, a locking mechanism 3 and tool holders 4, wherein the driving mechanism 2 is installed in the installation frame 1, the locking mechanism 3 is connected to the lower side of the driving mechanism 2, the plurality of tool holders 4 are installed on the driving mechanism 2, an annular track is arranged in the installation frame 1, the plurality of tool holders 4 are installed in the annular track, the driving mechanism 2 drives the plurality of tool holders 4 to rotate circularly along the annular track, and the locking mechanism 3 improves the accuracy of chain type conveying and is matched with the operation of a tool changing machine.

Specifically, the mounting rack 1 comprises a bottom plate 11, an outer ring plate 12, an outer connecting cylinder 13, a first screw 14, a first nut 15, an inner connecting cylinder 16, a second screw 17, a second nut 18 and a top plate 19, an outer ring plate 12 and a top plate 19 are arranged above the bottom plate 11, the outer ring plate 12 is sleeved on the outer side of the top plate 19, a plurality of outer connecting cylinders 13 are arranged between the outer ring plate 12 and the bottom plate 11, a first screw 14 is sleeved in each outer connecting cylinder 13, two ends of the first screw 14 respectively penetrate through the outer ring plate 12 and the bottom plate 11 and are connected with a first nut 15 through threads, a plurality of inner connecting cylinders 16 are arranged between the top plate 19 and the bottom plate 11, a second screw rod 17 is sleeved in each inner connecting cylinder 16, two ends of the second screw rod 17 are respectively connected with a second nut 18 through a top plate 19 and a bottom plate 11 by screws, and an annular track is formed between the outer ring plate 12 and the top plate 19.

Specifically, actuating mechanism 2 includes driving motor 21, pivot 22, No. two pivots 23, sprocket 24, chain 25, driving lever 26, slide bar 27, limiting plate 28 and jack 29, and is a plurality of No. two pivots 23 inlay in proper order and establish the edge at roof 19, No. two pivots 23 rotate with roof 19 through the bearing and are connected, the equal fixedly connected with sprocket 24 of lower extreme of No. two pivots 23, and is a plurality of the transmission is connected with chain 25 between the sprocket 24, the welding has driving lever 26 on the chain link of chain 25, driving motor 21 screw fixation is at the downside middle part of bottom plate 11, driving motor 21's output shaft passes bottom plate 11 fixedly connected with pivot 22, the top of pivot 22 and one of them sprocket 24 fixed connection, a plurality of slide bar 27 evenly distributed is in the annular gap between outer ring plate 12 and roof 19, the outside of slide bar 27 and two upper and lower all fixed covers that are located roof 19 are equipped with limiting plate 28, the bottom end outer wall of the sliding rod 27 is provided with an insertion hole 29, and an overload prevention coupling is arranged between the first rotating shaft 22 and the output shaft of the driving motor 21, so that the driving motor 21 can be prevented from being damaged due to overload, and the service life of the equipment is prolonged.

Specifically, locking mechanism 3 includes disc 31, lockhole 32, locking lever 33, dials board 34, spring 35, articulated seat 36, electric telescopic handle 37, No. two articulated seats 38 and slide rail 39, the fixed cover of disc 31 is established in the outside of a pivot 22 of atmospheric pressure, a plurality of lockholes 32 have been seted up to the marginal equidistance of disc 31, slide rail 39 screw fixation is at the downside of bottom plate 11, the embedded articulated seat 38 that is equipped with of slide rail 39, No. two articulated seat 38 fixedly connected with electric telescopic handle 37, one side of slide rail 39 just is located the embedded locking lever 33 that is equipped with of bottom plate 11, the bottom fixedly connected with articulated seat 36 of locking lever 33, the fixed cover in the outside of locking lever 33 and the top that is located bottom plate 11 is equipped with dials board 34, the outside of locking lever 33 just is located and is equipped with spring 35 between dialling board 34 and the bottom plate 11, can prevent electric telescopic handle 37 extension in-process, the electric telescopic rod 37 is damaged by overload.

Specifically, the tool holder 4 comprises three hinged seats 41, a swing rod 42, guide rods 43, limiting cylinders 44, sliding plates 45, two springs 46, a chuck 47, half clamping grooves 48, a workpiece taking groove 49 and a half groove 410, wherein the three hinged seats 41 are symmetrically arranged on two sides of a sliding rod 27, the two swing rods 42 are respectively hinged with the three hinged seats 41, the chuck 47 is arranged at one end of the swing rod 42, the end, far away from the chuck 47, of the swing rod 42 is rotatably connected with the guide rods 43, the limiting cylinder 44 is arranged between the two guide rods 43, one end, far away from the swing rod 42, of the guide rod 43 penetrates through the limiting cylinder 44 and is fixedly connected with the sliding plates 45, the two springs 46 are fixedly connected between the two sliding plates 45, the two chucks 47 are symmetrically arranged relative to the sliding rod 27, the half clamping grooves 48 are arranged on the adjacent sides of the chuck 47, the half grooves 410 are arranged in the middle of the bottom walls of the half, a groove 49 has all been seted up at the roof middle part of half double-layered groove 48, the centre gripping is fixed with the cutter between two chucks 47, handle of a knife department at the cutter adopts the location structure with half double-layered groove 48 structure looks adaptation, when needing to get, mechanical fixture presss from both sides in handle of a knife department in advance, rely on slide 45 and No. two spring 46 to support between two chucks 47 and press from both sides tightly, mechanical fixture rotary cutter afterwards, make location structure can rotatory back-open two chucks 47, when ninety degrees back of cutter location structure pivoted, location structure will imbed in getting groove 49, two chucks 47 are closed again, at this moment, mechanical fixture shrink, alright take out the cutter perpendicularly, deposit and take the cutter very swiftly.

Specifically, an annular rail is arranged between the outer annular plate 12 and the top plate 19, external threads are arranged on the outer walls of the end portions of the first screw 14 and the second screw 17, the first screw 14 and the second screw are convenient to disassemble and assemble, the sliding rod 27 is connected with the inner wall of the annular rail in a sliding mode, one end, far away from the chain 25, of the shifting rod 26 is inserted into the adjacent insertion hole 29, the shifting rod 26 on each chain link rotates circularly, the sliding rod 27 can be pulled to slide along the annular rail in the moving process of the shifting rod 26, the tool holders 4 on the tool changing station can be rotated continuously, the position of the locking rod 33 corresponds to the position of the locking hole 32, the second hinge seat 38 is connected with the sliding rail 39 in a sliding mode, and after the locking rod 33 is locked.

Specifically, the sliding plate 45 is connected with the inner wall of the limiting cylinder 44 in a sliding manner, a prop is installed between the two chucks 47, and the two chucks 47 are supported and clamped by the sliding plate 45 and the second spring 46.

When using, be equipped with the circular orbit in the mounting bracket 1, install a plurality of tool holders 4 in the circular orbit, drive a plurality of tool holders 4 by actuating mechanism 2 and rotate along the circular orbit circulation, locking mechanism 3's setting has improved the accuracy of chain conveying, and cooperation tool changing machinery moves, has rational in infrastructure, the cutter stock is big with the stable characteristics of operation, and concrete transmission flow is: the driving motor 21 is started to drive the first rotating shaft 22 to rotate, the chain 25 drives each chain wheel 24 to rotate, so that the driving lever 26 on each chain link rotates circularly, the driving lever 26 can pull the sliding rod 27 to slide along the annular rail in the moving process, so that the tool holders 4 on the tool changing station can be rotated continuously, when the tool holders 4 are replaced, the electric telescopic rod 37 extends in advance, the first hinge seat 36 can be pushed to move downwards, the shifting plate 34 and the locking rod 33 are pulled to move downwards, the locking rod 33 is pulled out from the existing locking hole 32, the first spring 35 is compressed, then the electric telescopic rod 37 is shortened, so that the second hinge seat 38 slides on the sliding rail 39, when the locking rod 33 is opposite to the next locking hole 32, under the action of the first spring 35, the locking rod 33 is inserted into the first spring 35, further, the driving mechanism 2 is prevented from running continuously, the position of the tool holders 4 on the tool changing station is accurate, electric telescopic handle 37 overload damage, it is further, install the overload-proof shaft coupling between pivot 22 and driving motor 21 output shaft, can avoid driving motor 21 to draw the overload and damage, the life of equipment has been improved, centre gripping is fixed with the cutter between two chucks 47, the handle of a knife department at the cutter adopts the location structure with half double-layered groove 48 structure looks adaptation, when needing to get, mechanical fixture presss from both sides in handle of a knife department in advance, it is tight to rely on slide 45 and No. two spring 46 to support between two chucks 47, mechanical fixture rotary cutter afterwards, make location structure can rotate and open two chucks 47, when ninety degrees back of cutter location structure pivoted, location structure will imbed and get in the groove 49, two chucks 47 reclose, at this moment, mechanical fixture shrink, alright take out the cutter perpendicularly, deposit and take the cutter very swiftly.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A chain type tool magazine comprises an installation frame (1), a driving mechanism (2), a locking mechanism (3) and tool holders (4), and is characterized in that the driving mechanism (2) is installed in the installation frame (1), the locking mechanism (3) is connected to the lower side of the driving mechanism (2), and the tool holders (4) are installed on the driving mechanism (2); the mounting frame (1) comprises a bottom plate (11), an outer ring plate (12), outer connecting cylinders (13), a first screw rod (14), a first nut (15), an inner connecting cylinder (16), a second screw rod (17), a second nut (18) and a top plate (19), wherein the outer ring plate (12) and the top plate (19) are arranged above the bottom plate (11), the outer ring plate (12) is sleeved on the outer side of the top plate (19), a plurality of outer connecting cylinders (13) are arranged between the outer ring plate (12) and the bottom plate (11), the first screw rod (14) is sleeved in each outer connecting cylinder (13), two ends of the first screw rod (14) respectively penetrate through the outer ring plate (12) and the bottom plate (11) to be connected with the first nut (15) in a threaded manner, a plurality of inner connecting cylinders (16) are arranged between the top plate (19) and the bottom plate (11), the second screw rod (17) is sleeved in each inner connecting cylinder (16), two ends of the second screw rod (17) penetrate through the top plate (19) and the bottom plate (11) respectively and are connected with a second nut (18) through screws.

2. The chain magazine of claim 1, wherein: the driving mechanism (2) comprises a driving motor (21), a first rotating shaft (22), a second rotating shaft (23), a chain wheel (24), a chain (25), a shifting rod (26), a sliding rod (27), a limiting plate (28) and a jack (29), wherein the second rotating shaft (23) is sequentially embedded at the edge of the top plate (19), the second rotating shaft (23) is rotatably connected with the top plate (19) through a bearing, the lower end of the second rotating shaft (23) is fixedly connected with the chain wheel (24), the chain wheel (24) is connected with the chain (25) in a transmission manner, the shifting rod (26) is welded on a chain link of the chain (25), the driving motor (21) is fixed at the middle part of the lower side of the bottom plate (11) through a screw, an output shaft of the driving motor (21) penetrates through the bottom plate (11) and is fixedly connected with the first rotating shaft (22), and the top end of the first rotating shaft (22) is fixedly connected, a plurality of slide bar (27) evenly distributed is in the annular gap between outer crown plate (12) and roof (19), the outside of slide bar (27) just is located two upper and lower fixed covers of roof (19) and is equipped with limiting plate (28), jack (29) have been seted up to the bottom outer wall of slide bar (27).

3. The chain magazine of claim 1, wherein: the locking mechanism (3) comprises a disc (31), locking holes (32), locking rods (33), a shifting plate (34), a spring (35), a hinge seat (36), an electric telescopic rod (37), a second hinge seat (38) and a sliding rail (39), wherein the disc (31) is fixedly sleeved outside a first air pressure rotating shaft (22), the edge of the disc (31) is equidistantly provided with a plurality of locking holes (32), the sliding rail (39) is fixed on the lower side of the bottom plate (11) through screws, the sliding rail (39) is embedded with the second hinge seat (38), the second hinge seat (38) is fixedly connected with the electric telescopic rod (37), one side of the sliding rail (39) is embedded with the locking rods (33) and is positioned on the bottom plate (11), the bottom end of the locking rods (33) is fixedly connected with the first hinge seat (36), the shifting plate (34) is fixedly sleeved outside the locking rods (33) and is positioned above the bottom plate (11), a first spring (35) is sleeved on the outer side of the lock rod (33) and between the shifting plate (34) and the bottom plate (11).

4. The chain magazine of claim 1, wherein: the tool holder (4) comprises three hinged seats (41), swing rods (42), guide rods (43), limiting cylinders (44), sliding plates (45), a second spring (46), chucks (47), half clamping grooves (48), a workpiece taking groove (49) and a semicircular groove (410), wherein the three hinged seats (41) are symmetrically arranged on two sides of a sliding rod (27), the swing rods (42) are hinged with the two three hinged seats (41) respectively, the chucks (47) are arranged at one ends of the swing rods (42), the guide rods (43) are rotatably connected to one ends of the swing rods (42) far away from the chucks (47), the limiting cylinders (44) are arranged between the two guide rods (43), the sliding plates (45) are fixedly connected to one ends of the guide rods (43) far away from the swing rods (42) through the limiting cylinders (44), and the second spring (46) is fixedly connected between the two sliding plates (45), two chuck (47) set up about slide bar (27) symmetry, half double-layered groove (48) have all been seted up to the adjacent side of chuck (47), half slot (410) have all been seted up in the diapire middle part of half double-layered groove (48), a groove (49) of getting has all been seted up in the roof middle part of half double-layered groove (48).

5. The chain magazine of claim 1, wherein: an annular track is arranged between the outer ring plate (12) and the top plate (19), and external threads are arranged on the outer walls of the ends of the first screw rod (14) and the second screw rod (17).

6. The chain magazine of claim 2, wherein: the sliding rod (27) is connected with the inner wall of the annular track in a sliding mode, and one end, far away from the chain (25), of the shifting rod (26) is inserted into an adjacent insertion hole (29); the position of the lock rod (33) corresponds to the position of the lock hole (32), and the second hinged seat (38) is connected with the sliding rail (39) in a sliding manner; slide (45) and spacing section of thick bamboo (44) inner wall sliding connection, two install the stage property between chuck (47).