CN113021046A

CN113021046A - Umbrella-shaped tool magazine for digit control machine tool

Info

Publication number: CN113021046A
Application number: CN202110332429.0A
Authority: CN
Inventors: 杨军
Original assignee: Yangtie Cnc Machine Tool Suzhou Co ltd
Current assignee: Yangtie Cnc Machine Tool Suzhou Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-06-25
Anticipated expiration: 2041-03-29
Also published as: CN113021046B

Abstract

The invention provides an umbrella-shaped tool magazine for a numerical control machine tool, and relates to the technical field of numerical control machine tools. The umbrella-shaped tool magazine for the numerical control machine tool comprises a machine body, wherein the tool magazine is arranged on the inner side of the machine body, a protective door is arranged on the front wall of the tool magazine, a transverse guide rail is fixedly connected to the inner side wall of the tool magazine, a first sliding table is connected to the upper surface of the transverse guide rail in a sliding manner, a first driving assembly is arranged on the lower surface of the first sliding table, a vertical guide rail is fixedly connected to the upper surface of the first sliding table, and a second sliding table is connected to the upper surface of the vertical guide rail in a sliding manner.

Description

Umbrella-shaped tool magazine for digit control machine tool

Technical Field

The invention relates to the technical field of numerical control machines, in particular to an umbrella-shaped tool magazine for a numerical control machine.

Background

In the automatic tool changer of the numerical control machine tool, a tool magazine is one of the most main components, the tool magazine is used for storing machining tools and auxiliary tools, the capacity, the layout and the specific structure of the tool magazine have great influence on the design of the numerical control machine tool, the more the tools in the magazine are, the better the tools are, the larger the capacity is, the size and the occupied area of the tool magazine can be increased, the tool selecting time is prolonged, the capacity of the tool magazine firstly needs to consider the requirements of the machining process, according to the statistics of the number of the tools needed by a vertical machining center mainly using drilling and milling, 70% of drilling process can be completed by 10 hole machining tools, and 90% of milling process can be completed by four milling cutters. Accordingly, it can be seen that more than 70% of drilling and milling can be completed by using 14 cutters. Therefore, from the use angle, the capacity of the tool magazine is generally 10-20, and the capacity of the tool magazine is increased blindly, so that the utilization rate of the tool magazine is reduced, the structure is too complex, and great waste is caused.

The existing large-scale numerical control machine tool is characterized in that a tool magazine is installed on a main shaft and moves along with the main shaft, the burden of a main shaft driving device is greatly increased, energy is wasted, the phenomenon that the weight of tools in the tool magazine is inconsistent and inclined vibration is caused is also caused, machining precision is influenced, the traditional built-in tool magazine is fixed on the rear side of a machine tool, when tools are required to be changed, the main shaft moves to the position near the tool magazine, tools are changed through a mechanical arm, a tool storage device does not move, actions are complex, and when the tool magazine is applied to a large-scale machine tool, the moving distance of the main shaft is too far, and.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an umbrella-shaped tool magazine for a numerical control machine tool, which solves the problems that the burden of a main shaft driving device is increased, the energy is wasted and the machining precision is influenced when the tool magazine is arranged on a main shaft in the prior art, and the machining efficiency is influenced because the moving distance of the main shaft is too far in the traditional built-in tool magazine.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an umbrella-shaped tool magazine for a numerical control machine tool comprises a tool body, wherein the tool magazine is arranged on the inner side of the tool body, a protective door is arranged on the front wall of the tool magazine, a transverse guide rail is fixedly connected to the inner side wall of the tool magazine, a first sliding table is slidably connected to the upper surface of the transverse guide rail, a first driving assembly is arranged on the lower surface of the first sliding table, a vertical guide rail is fixedly connected to the upper surface of the first sliding table, a second sliding table is slidably connected to the upper surface of the vertical guide rail, a second driving assembly is arranged on the lower surface of the second sliding table, vibration damping assemblies are arranged on the outer walls of the transverse guide rail and the vertical guide rail, the first sliding table, the transverse guide rail, the vertical guide rail and the second sliding table are in surrounding coverage, a rotary driving box is fixedly connected to the upper surface of the second sliding table and close to the front, the utility model discloses a rotary drive case, including pivot outer wall, pivot, rotary drive case, rotation drive case, baffle ring, third drive assembly, rotary drive case inside wall, one side fixedly connected with third mounting panel that third drive assembly was just kept away from to the pivot outer wall runs through rotary drive case upper wall, the one end outer wall that the pivot stretched into rotary drive case is provided with the baffle ring, be provided with third drive assembly between pivot and the rotary drive case inside wall, surface fixedly connected with micro-gap sensor on the third mounting panel

Preferably, deposit the first fixed plate of tool magazine inboard left wall fixedly connected with, deposit the tool magazine inside wall and with one side fixedly connected with second fixed plate that first fixed plate is relative, transverse guide fixed connection is between first fixed plate, second fixed plate.

Preferably, first drive assembly includes rack, first mounting panel, first motor, gear, rack fixed connection is at depositing the tool magazine inside wall, deposit the first fixing base of wall difference fixedly connected with about the tool magazine inboard, rack fixed connection is between two sets of first fixing bases, first mounting panel fixed connection is at first slip table lower surface, fixed connection has the mounting panel under the first mounting panel, first motor fixed connection is inboard at the mounting panel, first motor stretches out an outer wall and runs through the mounting panel, gear fixed connection stretches out an end portion at first motor, gear and rack toothing.

Preferably, the second drive assembly is including taking buffer cylinder, two sets of third fixing base, second fixing base, baffle fixed connection is at first slip table upper surface, the baffle sets up at first slip table upper surface and is close to the back wall, and is two sets of third fixing base fixed connection is at second slip table lower surface, take buffer cylinder fixed connection between two sets of third fixing base, second fixing base fixed connection stretches out the nose portion at taking buffer cylinder, one side and the baffle fixed connection of taking buffer cylinder are kept away from to the second fixing base.

Preferably, the damping subassembly includes first damping pad, second damping pad, third damping pad, first damping pad, the equal fixed connection of second damping pad are at transverse guide's outer wall, first damping pad sets up the one end that just is close to first fixed plate at the transverse guide outer wall, the one end that first damping pad was just kept away from at the transverse guide outer wall to the second damping pad setting, third damping pad fixed connection is at vertical guide outer wall, the one end that the setting of third damping pad just is close to the baffle at vertical guide outer wall.

Preferably, third drive assembly includes driver plate, carousel, second mounting panel, second motor, second mounting panel fixed connection is at the rotary drive incasement wall, the second mounting panel sets up at the rotary drive incasement wall and the one side relative with the third mounting panel, second motor fixed connection keeps away from one side of rotary drive case at the second mounting panel, driver plate fixed connection is at the second motor and stretches out an outer wall, carousel fixed connection is at the pivot outer wall, the carousel setting is at the pivot outer wall and is located between rotary drive case upper wall and the retaining ring, carousel and driver plate meshing.

Preferably, the upper wall of the inner side of the rotary driving box is fixedly connected with a first bearing seat, the lower wall of the inner side of the rotary driving box is fixedly connected with a second bearing seat, a radial bearing is rotatably connected between the rotating shaft and the first bearing seat, a thrust bearing is rotatably connected between the rotating shaft and the second bearing seat, and the thrust bearing is arranged between the retainer ring and the lower wall of the inner side of the rotary driving box.

Preferably, it includes blade disc, cutter holder, handle of a knife to deposit the cutter subassembly, blade disc fixed connection keeps away from the tip of rotary drive case in the pivot, the cutter holder sets up at the blade disc upper surface, the handle of a knife joint is inboard at the cutter holder.

The working principle is as follows: when the tool to be replaced is replaced by the machine tool, the main shaft of the machine tool stops at any position without moving left and right, the main shaft of the machine tool only needs to be drawn close to the tool storage, the machine tool is synchronous, the first motor in the tool storage rotates to drive the first sliding table to translate on the transverse guide rail through the meshing of the gear and the rack, the first sliding table moves to a position which is parallel and level with the longitudinal direction of the main shaft, the protective door of the tool storage is opened, further, the buffering air cylinder drives the second sliding table and parts on the second sliding table to slide towards the outside of the tool storage, the first sliding table moves relative to the main shaft of the machine tool, after the stroke of the second sliding table is finished, the main shaft of the machine tool comes above the tool storage assembly, the tool storage assembly is driven by the third driving device to rotate the tool holder above the tool disc to the lower part of the main shaft of the machine tool, the main shaft of the machine tool places the tool to be replaced in the empty tool, the machine tool spindle descends, clamping is carried out through the installation part on the tool handle, further, the machine tool spindle ascends, moves towards a workpiece, the buffering air cylinder drives the second sliding table to retract, and after complete retraction, the tool magazine protection door is closed to wait for a next tool changing instruction.

(III) advantageous effects

The invention provides an umbrella-shaped tool magazine for a numerical control machine tool. The method has the following beneficial effects:

1. the arranged transverse guide rail can enable the cutter storage assembly to transversely translate and keep longitudinal alignment with the main shaft, so that the main shaft only needs to move towards the cutter storage library during cutter changing, and the cutter changing preparation time is shortened.

2. The vertical guide rail that sets up can let deposit the tool assembly and stretch out through the guard gate of opening and deposit the tool magazine, and the tool changing is accomplished to the cooperation lathe main shaft, has cancelled traditional manipulator, has simplified the structure, and the operation is more stable.

3. The damping subassembly that sets up can make first slip table, second slip table play the cushioning effect when moving to the terminal point, avoids producing the vibration to the lathe and causes the precision error.

4. The first slip table, the second slip table that set up cover horizontal guide and vertical guide through the form that partly surrounds, and portable stability is better.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the tool magazine and the protection door according to the present invention;

FIG. 3 is a top view of the tool magazine structure of the present invention;

FIG. 4 is a bottom view of the tool magazine structure of the present invention;

FIG. 5 is a side sectional view of a first slide table, a transverse rail, and a first driving assembly according to the present invention;

FIG. 6 is a top view of a second slide table structure according to the present invention;

FIG. 7 is a sectional view of a partial structure of a second slide table and a vertical guide rail according to the present invention;

FIG. 8 is a partial sectional view of the rotary drive housing and knife holder assembly of the present invention;

FIG. 9 is a schematic view of a structure of a spindle and a knife storage assembly according to the present invention;

FIG. 10 is a top view of the engagement structure of the dial and the turntable.

Wherein, 1, a lathe bed; 2. storing a tool magazine; 3. a protective door; 4. a first fixing plate; 5. a second fixing plate; 6. a first vibration damping pad; 7. a second vibration damping pad; 8. a transverse guide rail; 9. a first sliding table; 10. a rack; 11. a first fixed seat; 12. a baffle plate; 13. a vertical guide rail; 14. a third vibration damping pad; 15. a buffer cylinder is provided; 16. a second fixed seat; 17. a second sliding table; 18. a rotation driving box; 19. a cutter head; 20. a tool holder; 21. a knife handle; 22. a first mounting plate; 23. a first motor; 24. a gear; 25. a mounting plate; 26. a third fixed seat; 27. a rotating shaft; 28. a first bearing; 29. a radial bearing; 30. a dial; 31. a turntable; 32. a second bearing housing; 33. a thrust bearing; 34. a retainer ring; 35. a second mounting plate; 36. a second motor; 37. a third mounting plate; 38. a micro-motion sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1-10, an embodiment of the present invention provides an umbrella-shaped tool magazine for a numerical control machine tool, including a machine body 1, a tool magazine 2 is arranged inside the machine body 1, a protective door 3 is arranged on a front wall of the tool magazine 2, a transverse guide rail 8 is fixedly connected to an inner side wall of the tool magazine 2, a first sliding table 9 is slidably connected to an upper surface of the transverse guide rail 8, a first driving assembly is arranged on a lower surface of the first sliding table 9, a vertical guide rail 13 is fixedly connected to an upper surface of the first sliding table 9, a second sliding table 17 is slidably connected to an upper surface of the vertical guide rail 13, a second driving assembly is arranged on a lower surface of the second sliding table 17, damping assemblies are arranged on outer walls of the transverse guide rail 8 and the vertical guide rail 13, the first sliding table 9, the transverse guide rail 8, the vertical guide rail 13 and the second sliding table 17 are all enclosed and covered, a rotation driving box 18 is, the inboard rotation of rotary drive case 18 is connected with pivot 27, pivot 27 outer wall runs through rotary drive case 18 upper wall, the one end outer wall that pivot 27 stretched into rotary drive case 18 is provided with retaining ring 34, be provided with the third drive assembly between pivot 27 and the rotary drive case 18 inside wall, one side fixedly connected with third mounting panel 37 of third drive assembly is just kept away from to rotary drive case 18 inside wall, fixed surface is connected with fine motion sensor 38 on the third mounting panel 37

Deposit 2 inboard left wall fixedly connected with first fixed plates 4 of tool magazine, deposit 2 inside walls of tool magazine and with one side fixedly connected with second fixed plates 5 that first fixed plates 4 are relative, transverse guide 8 fixed connection is between first fixed plates 4, second fixed plates 5, through transverse guide 8, can make first slip table 9 do transverse translation motion.

First drive assembly includes rack 10, first mounting panel 22, first motor 23, gear 24, rack 10 fixed connection is at depositing 2 inside walls of tool magazine, deposit 2 inboard left and right sides walls of tool magazine and be the first fixing base 11 of fixedly connected with respectively, rack 10 fixed connection is between two sets of first fixing base 11, first mounting panel 22 fixed connection is at first slip table 9 lower surface, 22 lower fixed surface of first mounting panel is connected with mounting

panel

25, 23 fixed connection of first motor is inboard at mounting

panel

25, 23 outer walls of extension shafts of first motor run through mounting

panel

25, 24 fixed connection of gear is at 23 tip of extension shafts of first motor,

gear

24 and 10 meshing of rack, 23 servo motors of first motor, the action command is carried out rapidly, the location is accurate.

The second drive assembly is including taking buffer cylinder 15, two sets of third fixing base 26, second fixing base 16, baffle 12 fixed connection is on first slip table 9 upper surface, baffle 12 sets up at first slip table 9 upper surface and is close to the back wall, two sets of third fixing base 26 fixed connection are at second slip table 17 lower surface, take buffer cylinder 15 fixed connection between two sets of third fixing base 26, second fixing base 16 fixed connection is at the axle head portion that stretches out in area buffer cylinder 15, one side and baffle 12 fixed connection of taking buffer cylinder 15 are kept away from to second fixing base 16, second slip table 17 covers vertical guide 13 half package, second slip table 17 part stretches out when making the tool changing and deposits tool magazine 2 still very stably can not turn on one's side.

Damping subassembly includes first damping pad 6, second damping pad 7, third damping pad 14, first damping pad 6, the equal fixed connection of second damping pad 7 is at the outer wall of transverse guide 8, first damping pad 6 sets up the one end at transverse guide 8 outer wall and near first fixed plate 4, second damping pad 7 sets up the one end at transverse guide 8 outer wall and keep away from first damping pad 6, third damping pad 14 fixed connection is at 13 outer walls of vertical guide, third damping pad 14 sets up the one end at 13 outer walls of vertical guide and be close to baffle 12, make first slip table 9 through damping subassembly, second slip table 17 is cushioned when moving the stroke terminal, avoid producing the vibration to the lathe and cause the precision error.

The third drive assembly includes the driver plate 30, carousel 31, second mounting panel 35, second motor 36, second mounting panel 35 fixed connection is in rotary drive case 18 inside wall, second mounting panel 35 sets up in rotary drive case 18 inside wall and the one side relative with third mounting panel 37, second motor 36 fixed connection is in the one side that rotary drive case 18 was kept away from to second mounting panel 35, driver plate 30 fixed connection is at second motor 36 extension off-axial wall, carousel 31 fixed connection is at pivot 27 outer wall, carousel 31 sets up at pivot 27 outer wall and is located between rotary drive case 18 upper wall and retaining ring 34, carousel 31 and driver plate 30 mesh, second motor 36 is servo motor, cooperation microsensor 38, it is more accurate to the rotation graduation of cutter disc 19.

The upper wall of the inner side of the rotary driving box 18 is fixedly connected with a first bearing seat 28, the lower wall of the inner side of the rotary driving box 18 is fixedly connected with a second bearing seat 32, a radial bearing 29 is rotatably connected between the rotating shaft 27 and the first bearing seat 28, a thrust bearing 33 is rotatably connected between the rotating shaft 27 and the second bearing seat 32, the thrust bearing 33 is arranged between a retaining ring 34 and the lower wall of the inner side of the rotary driving box 18, and the rotating shaft 27 can stably rotate on the rotary driving box 18 through the radial bearing 29 and the thrust bearing 33.

The cutter storage assembly comprises a cutter head 19, a cutter holder 20 and a cutter handle 21, the cutter head 19 is fixedly connected to the end portion, far away from the rotary driving box 18, of the rotary shaft 27, the cutter holder 20 is arranged on the upper surface of the cutter head 19, and the cutter handle 21 is clamped on the inner side of the cutter holder 20 to store cutters through a plurality of groups of cutter holders 20.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an umbrella-type tool magazine for digit control machine tool, includes lathe bed (1), its characterized in that: the inner side of the lathe bed (1) is provided with a tool magazine (2), the front wall of the tool magazine (2) is provided with a protective door (3), the inner side wall of the tool magazine (2) is fixedly connected with a transverse guide rail (8), the upper surface of the transverse guide rail (8) is connected with a first sliding table (9) in a sliding manner, the lower surface of the first sliding table (9) is provided with a first driving assembly, the upper surface of the first sliding table (9) is fixedly connected with a vertical guide rail (13), the upper surface of the vertical guide rail (13) is connected with a second sliding table (17) in a sliding manner, the lower surface of the second sliding table (17) is provided with a second driving assembly, the outer walls of the transverse guide rail (8) and the vertical guide rail (13) are both provided with damping assemblies, the first sliding table (9) and the transverse guide rail (8), the vertical guide rail (13) and the second sliding table (17) are both in an, rotatory drive case (18) set up at second slip table (17) upper surface and are close to the antetheca, rotatory drive case (18) inboard is rotated and is connected with pivot (27), pivot (27) outer wall runs through rotatory drive case (18) upper wall, the one end outer wall that rotary drive case (18) were stretched into in pivot (27) is provided with retaining ring (34), be provided with third drive assembly between pivot (27) and rotatory drive case (18) inside wall, one side fixedly connected with third mounting panel (37) of third drive assembly just are kept away from to rotatory drive case (18) inside wall, fixed surface is connected with micro-gap sensor (38) on third mounting panel (37).

2. The umbrella-shaped tool magazine for the numerical control machine tool according to claim 1, characterized in that: deposit tool magazine (2) inboard left wall fixedly connected with first fixed plate (4), deposit tool magazine (2) inside wall and one side fixedly connected with second fixed plate (5) relative with first fixed plate (4), transverse guide (8) fixed connection is between first fixed plate (4), second fixed plate (5).

3. The umbrella-shaped tool magazine for the numerical control machine tool according to claim 2, characterized in that: first drive assembly includes rack (10), first mounting panel (22), first motor (23), gear (24), rack (10) fixed connection is in depositing tool magazine (2) inside wall, deposit the first fixing base of wall difference fixedly connected with (11) about tool magazine (2) inboard, rack (10) fixed connection is between two sets of first fixing base (11), first mounting panel (22) fixed connection is at first slip table (9) lower surface, first mounting panel (22) lower fixed surface is connected with mounting panel (25), first motor (23) fixed connection is inboard at mounting panel (25), first motor (23) stretch out the off-axial wall and run through mounting panel (25), gear (24) fixed connection stretches out the axle head portion at first motor (23), gear (24) and rack (10) meshing.

4. The umbrella-shaped tool magazine for the numerical control machine tool according to claim 3, characterized in that: second drive assembly is including taking cushion cylinder (15), two sets of third fixing base (26), second fixing base (16), baffle (12) fixed connection is at first slip table (9) upper surface, baffle (12) set up at first slip table (9) upper surface and be close to the back wall, and are two sets of third fixing base (26) fixed connection is at second slip table (17) lower surface, take cushion cylinder (15) fixed connection between two sets of third fixing base (26), second fixing base (16) fixed connection stretches out the axle head portion in cushion cylinder (15), one side and baffle (12) fixed connection of taking cushion cylinder (15) are kept away from in second fixing base (16).

5. The umbrella-shaped tool magazine for the numerical control machine tool according to claim 4, characterized in that: damping subassembly includes first damping pad (6), second damping pad (7), third damping pad (14), first damping pad (6), the equal fixed connection of second damping pad (7) are at the outer wall of transverse guide (8), first damping pad (6) set up at transverse guide (8) outer wall and are close to the one end of first fixed plate (4), second damping pad (7) set up at transverse guide (8) outer wall and keep away from the one end of first damping pad (6), third damping pad (14) fixed connection is at vertical guide (13) outer wall, third damping pad (14) set up at vertical guide (13) outer wall and are close to the one end of baffle (12).

6. The umbrella-shaped tool magazine for the numerical control machine tool according to claim 5, characterized in that: third drive assembly includes driver plate (30), carousel (31), second mounting panel (35), second motor (36), second mounting panel (35) fixed connection is in rotary drive case (18) inside wall, second mounting panel (35) set up in rotary drive case (18) inside wall and with third mounting panel (37) relative one side, rotary drive case (18) one side is kept away from in second mounting panel (35) second motor (36) fixed connection, driver plate (30) fixed connection is at second motor (36) extension outer wall, carousel (31) fixed connection is at pivot (27) outer wall, carousel (31) set up at pivot (27) outer wall and lie in between rotary drive case (18) upper wall and retaining ring (34), carousel (31) and driver plate (30) meshing.

7. The umbrella-shaped tool magazine for the numerical control machine tool according to claim 6, characterized in that: the inner upper wall of the rotary driving box (18) is fixedly connected with a first bearing seat (28), the inner lower wall of the rotary driving box (18) is fixedly connected with a second bearing seat (32), a radial bearing (29) is rotatably connected between the rotating shaft (27) and the first bearing seat (28), a thrust bearing (33) is rotatably connected between the rotating shaft (27) and the second bearing seat (32), and the thrust bearing (33) is arranged between a retainer ring (34) and the inner lower wall of the rotary driving box (18).

8. The umbrella-shaped tool magazine for the numerical control machine tool according to claim 7, characterized in that: deposit the cutter unit spare and include blade disc (19), cutter holder (20), handle of a knife (21), blade disc (19) fixed connection keeps away from the tip of rotary drive case (18) in pivot (27), cutter holder (20) set up at blade disc (19) upper surface, handle of a knife (21) joint is inboard at cutter holder (20).