CN112935896A

CN112935896A - Automatic protective door of built-in tool magazine

Info

Publication number: CN112935896A
Application number: CN202110332968.4A
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: 2021-06-11
Anticipated expiration: 2041-03-29
Also published as: CN112935896B

Abstract

The invention provides an automatic protective door of a concealed tool magazine, and relates to the technical field of numerical control machines. The automatic protection door of the concealed tool magazine comprises the concealed tool magazine, the front wall of the concealed tool magazine is provided with a protection plate and a tool changing port, the protection plate is fixedly connected with the front wall of the built-in tool magazine and is close to the top, the knife changing opening is arranged on the front wall of the built-in tool magazine and is positioned at the lower side of the protection plate, a first induction device is arranged on the inner side of the knife changing edge, the front wall of the protection plate is fixedly connected with a lamp holder, the alarm lamp is fixedly connected on the front wall of the lamp holder, the door opening trigger device is arranged, the condition of mistaken opening is avoided, the bearing slides in the sliding groove in the sliding rail, the whole operation is smooth and unimpeded, and the bearing can slide in the sliding groove through the first sensing device, the second sensing device and the testing component, when the machine tool has a fault, the next step of action can be automatically stopped, accidents such as collision and the like are avoided, through the auxiliary closing assembly and the matching sealing gasket, the sealing performance of the automatic door is better when the automatic door covers the knife changing edge.

Description

Automatic protective door of built-in tool magazine

Technical Field

The invention relates to the technical field of numerical control machine tools, in particular to an automatic protection door of a concealed tool magazine.

Background

The tool magazine is one of machining center normal operating's key functional unit, its function is that the storage sword position is provided, quick automatic tool selection, the tool changing, realize that machining center once the clamping can accomplish the processing of multichannel process even whole processes, traditional a lot of lathe, some have installed the tool magazine door, and some do not, the most main part on the tool magazine door is protected for the tool magazine, need open automatically when the main shaft tool changing, self-closing behind the tool changing, can play dustproof after closing, waterproof and the effect of preventing bits, the most angle guide rails that use of present common tool magazine door, the card often appears when the tool magazine removes, the condition of unsmooth.

Through the search of the prior art, the invention disclosed in chinese patent publication No. CN103612160B discloses a tool magazine door structure of a machining center, which includes two symmetrically arranged moving doors and supporting rods fixedly connected to the moving doors, respectively, the two supporting rods are fixed to a left gear and a right gear, the gears are fixed to a support through a positioning shaft, the two gears are arranged in parallel and have parallel axes, a rack bar is arranged between the two gears, teeth are arranged on the rack bar and are engaged with the two gears, the up-and-down movement of the rack bar drives the gears to rotate in the circumferential direction, the up-and-down movement of the rack bar is pulled by a cylinder piston rod, and the cylinder is fixed to the support.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an automatic protection door of a built-in tool magazine, which solves the problems that the existing tool magazine door is easy to clamp when being opened and closed, has poor sealing performance and is not provided with an opening test.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an automatic protection door of a concealed tool magazine comprises the concealed tool magazine, wherein a protection plate and a tool changing port are arranged on the front wall of the concealed tool magazine, the protection plate is fixedly connected to the front wall of the concealed tool magazine and is close to the top, a tool changing port is arranged on the front wall of the concealed tool magazine and is positioned on the lower side of the protection plate, a first sensing device is arranged on the inner side of the tool changing port, a lamp holder is fixedly connected to the front wall of the protection plate, an alarm lamp is fixedly connected to the front wall of the lamp holder, a second bevel edge is arranged at the lower end of the protection plate, a door opening triggering device is fixedly connected to the front wall of the concealed tool magazine, an automatic door is slidably connected between the concealed tool magazine and the protection plate, the automatic door covers the tool changing port, a left wall, a right wall and a lower wall of the automatic door are provided with first bevel edges, a sealing, a sliding device is arranged between the automatic door and the built-in tool magazine, the sliding device is arranged on the outer side of the tool changing opening and located on the inner side of the sealing gasket, a second sensing device is arranged on the lower surface of the sliding device, a testing assembly and an auxiliary closing assembly are arranged between the sliding device and the automatic door, and a driving device is arranged between the upper wall of the automatic door and the inner side wall of the protection plate.

Preferably, the first sensing device comprises an infrared transmitting block and an infrared receiving block, the infrared transmitting block and the infrared receiving block are fixedly connected to the inner side wall of the knife changing port, the infrared transmitting block is arranged on the left wall of the inner side of the knife changing port, and the infrared receiving block is arranged on the side, opposite to the infrared transmitting block, of the inner side of the knife changing port.

Preferably, the door opening triggering device comprises a probe box and a triggering probe, the probe box is fixedly connected to the front wall of the second bevel edge, the triggering probe is fixedly connected to the front wall of the probe box, and the irradiation range of the triggering probe is the front side of the tool changing opening.

Preferably, slider includes guide rail, slider, guide rail fixed connection is at interior concealed tool magazine antetheca, the guide rail sets up at interior concealed tool magazine antetheca and is located sealed pad and tool changing mouth between, slider sliding connection is at the guide rail antetheca, the guide rail inboard is provided with the spout, the slider back wall is provided with the boss, boss inner wall fixedly connected with pivot, the boss is run through to the pivot outer wall, the pivot is stretched out the both ends of boss and is all rotated and be connected with the bearing, bearing outer wall and spout sliding connection.

Preferably, the second induction device comprises an induction box, a first induction switch, a second induction switch and a pressing block, the induction box is fixedly connected to the front wall of the built-in tool magazine, the induction box is arranged on the lower side of the guide rail, the first induction switch is arranged on the upper surface of the induction box, the second induction switch is arranged on the front wall of the induction box, the pressing block is fixedly connected to the inner side wall of the automatic door, and the pressing block is arranged on the inner side wall of the automatic door and at a position opposite to the second induction switch.

Preferably, the test assembly comprises a second cylinder and a fixed seat, the second cylinder is fixedly connected to the front wall of the sliding block, the fixed seat is fixedly connected to the inner side wall of the automatic door, and the end part of the second cylinder extending out of the shaft is fixedly connected with the fixed seat.

Preferably, supplementary closed component includes second hangers, third hangers, spring, second hangers fixed connection just keeps away from the one end of second cylinder at the slider antetheca, third hangers fixed connection in automatic door inside wall and with the slider on the position that the second hangers is relative, the spring sets up between second hangers and third hangers.

Preferably, drive arrangement includes first cylinder, first connecting rod, first hangers, first cylinder fixed connection is at the inboard upper wall of guard plate, first hangers fixed connection is at the automatically-controlled door top, first connecting rod rotates to be connected at first cylinder and stretches out the axle head portion, first connecting rod is kept away from and is rotated between the one end of first cylinder and the first hangers and be connected with the second connecting rod.

The working principle is as follows: when the machine tool with the concealed automatic tool changer protection door is used, when a tool is changed, the machine tool control unit controls the spindle to move to the position near the tool changing edge of the concealed tool changer, the trigger probe detects that the spindle approaches and feeds back a signal to the machine tool control unit, the machine tool control unit controls the second air cylinder to do stretching action, the second air cylinder pushes the automatic door to leave the tool changing edge, a pressing block on the automatic door is separated from pressing the second induction switch, the induction box feeds back the information that the automatic door is pushed out, further, the machine tool control unit controls the first air cylinder to do retracting action, the first air cylinder drives the automatic door to slide upwards and hide to the inner side of the protection plate, meanwhile, the sliding block is separated from the induction switch on the induction box, the induction box feeds back the information that the automatic door is opened smoothly to the machine tool control unit, and a tool changer in the concealed tool changer performs tool, if external faults such as scrap iron accumulation, spindle misplacement errors and the like occur, the second air cylinder cannot push out the automatic door, the machine tool control unit does not receive the door pushing information fed back by the induction box, the alarm lamp is lightened to stop tool changing work, when the first induction switch fails to sense the sliding block to leave, namely the first air cylinder fails to lift the automatic door, the machine tool control unit does not receive the door lifting information fed back by the induction box, the alarm lamp is lightened to stop tool changing work, after the tool changing is finished, the infrared transmitting block sends infrared rays to the infrared receiving block to confirm that the tool changing handle is rotated back to the interior of the concealed tool changer, the information is fed back to the machine tool control unit, the automatic door is lowered through the first air cylinder, the automatic door is driven to close the tool changing opening through the retraction of the second air cylinder, the tool changing work is finished, if the infrared receiving block fails to receive the infrared information, the condition that the tool changing handle, the machine tool control unit lights an alarm lamp, stops the door closing action and waits for manual troubleshooting.

(III) advantageous effects

The invention provides an automatic protection door of a concealed tool magazine. The method has the following beneficial effects:

1. the door opening trigger device is arranged, after receiving a tool changing instruction, the trigger probe detects that the main shaft is close to and triggers a door opening action again, and the condition of mistaken opening is avoided.

2. Through the bearing slip in the spout in the slide rail, promote or descend the automatically-controlled door through first cylinder, whole operation action is smooth and easy unimpededly.

3. Through first induction system, second induction system, test component, when the lathe broke down, homoenergetic automatic shutdown action on next step avoided taking place accidents such as bumping.

4. Through the auxiliary closing assembly and the matching sealing gasket, the sealing performance of the automatic door is better when the automatic door covers the knife changing edge.

Drawings

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

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a schematic view of the automatic door of the present invention in a lifted state;

FIG. 4 is an enlarged view of a portion of FIG. 3-A in accordance with the present invention;

FIG. 5 is a side partial cross-sectional view of the automatic door of the present invention in a lifted condition;

FIG. 6 is an enlarged view of a portion of FIG. 5-B of the present invention;

FIG. 7 is a sectional view of the guide rail and slider connecting structure of the present invention;

FIG. 8 is a schematic view of a structure of the induction box of the present invention;

FIG. 9 is a schematic view of the structure of the automatic door of the present invention.

Wherein, 1, a tool magazine is hidden; 2. a protection plate; 3. an automatic door; 4. changing a knife edge; 5. a gasket; 6. a guide rail; 7. an induction box; 8. an infrared emitting block; 9. an infrared receiving block; 10. a first cylinder; 11. a first link; 12. a second link; 13. a first suspension loop; 14. a slider; 15. a spring; 16. a second cylinder; 17. a fixed seat; 18. a second suspension loop; 19. a third suspension loop; 20. a boss; 21. a chute; 22. a rotating shaft; 23. a bearing; 24. a first inductive switch; 25. a first beveled edge; 26. a probe case; 27. triggering the probe; 28. a second beveled edge; 29. a lamp socket; 30. an alarm lamp; 31. a second inductive switch; 32. and (7) briquetting.

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. 1-9, an embodiment of the present invention provides an automatic protection door for an interior tool magazine, which includes an interior tool magazine 1, a protection plate 2 and a tool changing opening 4 are disposed on a front wall of the interior tool magazine 1, the protection plate 2 is fixedly connected to the front wall of the interior tool magazine 1 and is close to the top, the tool changing opening 4 is disposed on the front wall of the interior tool magazine 1 and is located at the lower side of the protection plate 2, a first sensing device is disposed inside the tool changing opening 4, a lamp holder 29 is fixedly connected to the front wall of the protection plate 2, an alarm lamp 30 is fixedly connected to the front wall of the lamp holder 29, a second bevel edge 28 is disposed at the lower end of the protection plate 2, a door opening triggering device is fixedly connected to the front wall of the second bevel edge 28, an automatic door 3 is slidably connected between the interior tool magazine 1 and the protection plate 2, the automatic door 3 covers the tool changing opening 4, first bevel, sealing gasket 5 fixed connection just is located the 4 outsides of trading a sword in interior built-in tool magazine 1 antetheca, is provided with slider between automatically-controlled door 3 and interior built-in tool magazine 1, and slider setting just is located sealed 5 inboards in the 4 outsides of tool changing a sword, and the slider lower surface is provided with second induction system, is provided with test component and supplementary closed subassembly between slider and the automatically-controlled door 3, is provided with drive arrangement between 3 upper walls of automatically-controlled door and the 2 inside walls of guard plate.

First induction system includes infrared emission piece 8, infrared receipt piece 9, infrared emission piece 8, the equal fixed connection of infrared receipt piece 9 is in changing 4 inside walls of edge of a knife, infrared emission piece 8 sets up at the 4 inboard left walls of tool changing mouth, infrared receipt piece 9 sets up in the 4 inboard one sides relative with infrared emission piece 8 of tool changing mouth, first induction system is whether withdraws for confirming the tool changing handle, avoids the tool changing handle not to withdraw and automatically-controlled door 3 falls down and causes the machine of colliding.

The door opening trigger device comprises a probe box 26 and a trigger probe 27, the probe box 26 is fixedly connected to the front wall of a second bevel edge 28, the trigger probe 27 is fixedly connected to the front wall of the probe box 26, the irradiation range of the trigger probe 27 is the front side of a tool changing opening 4, after a tool changing command is received, the trigger probe 27 is opened when the trigger probe 27 detects that a spindle is close to the trigger probe, and the condition of mistaken opening is avoided.

Slide device includes guide rail 6, slider 14, guide rail 6 fixed connection is at interior 1 antetheca of built-in tool magazine, guide rail 6 sets up at interior 1 antetheca of built-in tool magazine and is located sealed 5 and tool changing mouth 4 between, slider 14 sliding connection is at the 6 antetheca of guide rail, the guide rail 6 inboard is provided with

spout

21, 14 back walls of slider are provided with boss 20, boss 20 inner wall fixedly connected with pivot 22, pivot 22 outer wall runs through boss 20, the both ends that pivot 22 stretches out boss 20 all rotate and are connected with bearing 23, bearing 23 outer wall and spout 21 sliding connection, setting through bearing 23 and spout 21, automatically-controlled door 3 mentions and puts down very smoothly.

The second induction system is including responding to box 7, first inductive switch 24, second inductive switch 31, briquetting 32, respond to box 7 fixed connection at interior concealed tool magazine 1 antetheca, respond to box 7 and set up at 6 downside of guide rail, first inductive switch 24 sets up at response box 7 upper surface, second inductive switch 31 sets up at response box 7 antetheca, briquetting 32 fixed connection is in automatically-controlled door 3 inside wall, briquetting 32 sets up in automatically-controlled door 3 inside wall and the position relative with second inductive switch 31, confirm the release action of automatically-controlled door 3 and mention the action through the second induction system and whether smooth and easy.

The test assembly comprises a second air cylinder 16 and a fixed seat 17, the second air cylinder 16 is fixedly connected to the front wall of the sliding block 14, the fixed seat 17 is fixedly connected to the inner side wall of the automatic door 3, the second air cylinder 16 extends out of the end portion of the shaft and is fixedly connected with the fixed seat 17, and the test assembly is used for determining whether the automatic door 3 is clamped or not.

The auxiliary closing assembly comprises a second hanging lug 18, a third hanging lug 19 and a spring 15, the second hanging lug 18 is fixedly connected to the front wall of the sliding block 14 and is far away from one end of the second air cylinder 16, the third hanging lug 19 is fixedly connected to the inner side wall of the automatic door 3 and is opposite to the second hanging lug 18 on the sliding block 14, the spring 15 is arranged between the second hanging lug 18 and the third hanging lug 19, and the auxiliary closing assembly is mainly used for providing inward pulling force when the automatic door 3 is closed, so that the automatic door 3 is tightly attached to the front wall of the concealed tool magazine 1 and is matched with the sealing gasket 5 to ensure that the concealed tool magazine 1 has better sealing performance.

Drive arrangement includes first cylinder 10, first connecting rod 11, first hangers 13, first cylinder 10 fixed connection is at 2 inboard upper walls of guard plate, first hangers 13 fixed connection is at the 3 tops of automatically-controlled door, first connecting rod 11 rotates to be connected at first cylinder 10 and stretches out the axle head portion, first connecting rod 11 is kept away from and is rotated between the one end of first cylinder 10 and first hangers 13 and be connected with second connecting rod 12, first connecting rod 11, second connecting rod 12 can ensure still can through first cylinder 10 with the smooth mention of automatically-controlled door 3 after automatically-controlled door 3 is released by second cylinder 16.

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 automatic guard gate of built-in tool magazine, includes built-in tool magazine (1), its characterized in that: the front wall of the concealed tool magazine (1) is provided with a protection plate (2) and a tool changing opening (4), the protection plate (2) is fixedly connected to the front wall of the concealed tool magazine (1) and is close to the top, the tool changing opening (4) is arranged on the front wall of the concealed tool magazine (1) and is located on the lower side of the protection plate (2), a first induction device is arranged on the inner side of the tool changing opening (4), the front wall of the protection plate (2) is fixedly connected with a lamp holder (29), the front wall of the lamp holder (29) is fixedly connected with an alarm lamp (30), the lower end of the protection plate (2) is provided with a second bevel edge (28), the front wall of the second bevel edge (28) is fixedly connected with a door opening trigger device, an automatic door (3) is slidably connected between the concealed tool magazine (1) and the protection plate (2), the automatic door (3) covers the tool changing opening (4), and a left, the automatic tool changer is characterized in that a sealing gasket (5) is arranged between the first bevel edge (25) and the built-in tool magazine (1), the sealing gasket (5) is fixedly connected to the front wall of the built-in tool magazine (1) and located on the outer side of the knife changing port (4), a sliding device is arranged between the automatic door (3) and the built-in tool magazine (1), the sliding device is arranged on the outer side of the knife changing port (4) and located on the inner side of the sealing gasket (5), a second sensing device is arranged on the lower surface of the sliding device, a testing component and an auxiliary closing component are arranged between the sliding device and the automatic door (3), and a driving device is arranged between the upper wall of the automatic door (3) and the inner side wall.

2. The concealed automatic protection door for a tool magazine according to claim 1, wherein: first induction system includes infrared emission piece (8), infrared receiving block (9), the equal fixed connection of infrared emission piece (8), infrared receiving block (9) is at knife changing edge (4) inside wall, infrared emission piece (8) set up at knife changing edge (4) inboard left wall, infrared receiving block (9) set up in the inboard one side relative with infrared emission piece (8) of knife changing edge (4).

3. The concealed automatic protection door for a tool magazine according to claim 1, wherein: the door opening triggering device comprises a probe box (26) and a triggering probe (27), wherein the probe box (26) is fixedly connected to the front wall of a second bevel edge (28), the triggering probe (27) is fixedly connected to the front wall of the probe box (26), and the irradiation range of the triggering probe (27) is the front side of the knife changing edge (4).

4. The concealed automatic protection door for a tool magazine according to claim 1, wherein: the sliding device comprises a guide rail (6) and a sliding block (14), the guide rail (6) is fixedly connected to the front wall of the built-in tool magazine (1), the guide rail (6) is arranged on the front wall of the built-in tool magazine (1) and is located between a sealing gasket (5) and a knife changing port (4), the sliding block (14) is connected to the front wall of the guide rail (6) in a sliding mode, a sliding groove (21) is formed in the inner side of the guide rail (6), a boss (20) is arranged on the rear wall of the sliding block (14), a rotating shaft (22) is fixedly connected to the inner wall of the boss (20), the outer wall of the rotating shaft (22) penetrates through the boss (20), bearings (23) are rotatably connected to the two ends, extending out of the boss (20), of the rotating.

5. The concealed automatic protection door for a tool magazine according to claim 4, wherein: the second induction device comprises an induction box (7), a first induction switch (24), a second induction switch (31) and a pressing block (32), the induction box (7) is fixedly connected to the front wall of the built-in tool magazine (1), the induction box (7) is arranged on the lower side of the guide rail (6), the first induction switch (24) is arranged on the upper surface of the induction box (7), the second induction switch (31) is arranged on the front wall of the induction box (7), the pressing block (32) is fixedly connected to the inner side wall of the automatic door (3), and the pressing block (32) is arranged on the inner side wall of the automatic door (3) and is opposite to the second induction switch (31).

6. The automatic protective door of the built-in tool magazine of claim 5, wherein: the test assembly comprises a second cylinder (16) and a fixed seat (17), the second cylinder (16) is fixedly connected to the front wall of the sliding block (14), the fixed seat (17) is fixedly connected to the inner side wall of the automatic door (3), and the second cylinder (16) extends out of the end part of the shaft and is fixedly connected with the fixed seat (17).

7. The concealed automatic protection door for a tool magazine according to claim 6, wherein: supplementary closed assembly includes second hangers (18), third hangers (19), spring (15), second hangers (18) fixed connection just keeps away from the one end of second cylinder (16) at slider (14) antetheca, third hangers (19) fixed connection in automatically-controlled door (3) inside wall and with slider (14) on second hangers (18) relative position, spring (15) set up between second hangers (18) and third hangers (19).

8. The concealed automatic protection door for a tool magazine according to claim 1, wherein: drive arrangement includes first cylinder (10), first connecting rod (11), first hangers (13), first cylinder (10) fixed connection is at the inboard upper wall of guard plate (2), first hangers (13) fixed connection is at automatically-controlled door (3) top, first connecting rod (11) are rotated and are connected in first cylinder (10) and stretch out a tip, rotate between one end and first hangers (13) of keeping away from first cylinder (10) first connecting rod (11) and be connected with second connecting rod (12).