CN211760088U

CN211760088U - Knife compartment device, knife compartment transmission device and numerical control machine tool

Info

Publication number: CN211760088U
Application number: CN202020184783.4U
Authority: CN
Inventors: 李凤阳; 张慧; 廖釜立
Original assignee: Shenzhen Shenglida Cnc Equipment Co ltd
Current assignee: Shenzhen Chuangling intelligence Co.,Ltd.
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-10-27
Anticipated expiration: 2030-02-19
Also published as: CN213592350U

Abstract

The utility model discloses a knife compartment device, knife compartment transmission device and digit control machine tool, knife compartment device include knife compartment base plate, and circulation transmission unit, circulation transmission unit have sword holder and circulation drive assembly, have still set up handle of a knife propelling movement unit on the knife compartment base plate, and handle of a knife propelling movement unit has the propelling movement slider, sets up the clamping jaw subassembly that is used for the centre gripping handle of a knife on the propelling movement slider, and clamping jaw subassembly is in handle of a knife pause converting position department presss from both sides and gets the handle of a knife and release to the knife compartment base plate outside. Adopt the knife compartment base plate as the supporting body, the selection sword of having built handle of a knife propelling movement unit and circulation drive unit around the knife compartment base plate cooperatees, set up handle of a knife propelling movement unit on the knife compartment base plate, the efficiency of tool changing has further been promoted, need not other mechanisms and select the sword from the great sword of quantity crowd, the space utilization who has integrateed the propelling movement unit on the knife compartment base plate itself makes the knife compartment has reached the maximize, overturned in the past with the thinking mode of quick tool changing of tool changing manipulator setting on lathe bed or portal frame.

Description

Knife compartment device, knife compartment transmission device and numerical control machine tool

Technical Field

The utility model relates to a need change the digit control machine tool technical field of processing main shaft, concretely relates to knife compartment device, knife compartment transmission device and digit control machine tool.

Background

The automatic tool changing of the multi-spindle engraving and milling machine can realize high efficiency and multi-process machining of the engraving and milling machine. The automatic tool changing device corresponding to the engraving and milling machine with multiple spindles needs multiple groups of tool bins or cutter heads to store tools, and different tools are used for processing different processes.

If the number of the cutters in a single group of cutter bins or cutter heads is increased, the number of the corresponding overall cutters is increased by multiple times, so that the more the number of the main shafts is, the fewer the number of the spare cutters is, the simpler the machining process is, and the machining requirement of complex workpieces cannot be met.

The tool magazine device in the prior art is often installed near a processing spindle, so that the processing interference on the processing spindle is easily caused; also there are some cnc engraving and milling machines in order to avoid the interference, set up the tool magazine device below the portal frame, then transport the handle of a knife through a mechanism, for example, "tool magazine subassembly and machining center" that chinese utility model patent of grant publication No. CN 209207055U is above-mentioned structure promptly, and this kind of structure can be subject to the limited installation space of portal frame below, and the structure can be more complicated, controls the precision not high enough. The structural stability is greatly reduced by adopting the mode of arranging the two-stage sliding rails in series.

The prior art also has a tool magazine device which adopts a rotating disc type or closed-loop chain type tool magazine transmission structure, but the tool magazine is also mostly arranged beside a processing spindle, and the processing spindle directly carries out tool changing in the tool magazine, thereby affecting the tool changing efficiency on one hand, and generating interference on the other hand on the spindle, for example, the 'chain transmission tool magazine' disclosed in the Chinese utility model patent with the publication number of CN 208322820U; although there are some improvements in the follow-up, the independent tool changing manipulator is added on the portal frame or the lathe bed, but the tool changing manipulator needs to occupy the originally insufficient space of the lathe, and on the other hand, the tool changing manipulator takes out the tool shank from the tool magazine and needs to be more accurately detected and controlled, so that the cost is increased undoubtedly, and the tool changing manipulator needs to consume certain system calculation time for the relocation of the tool magazine, so that the tool changing efficiency is affected. Particularly, if the independent tool changing manipulator is installed on the portal frame, slight shaking influence exists due to the machining action of a machining spindle on the portal frame, and the control precision needs to be enhanced.

In summary, the design of the tool magazine by the prior art is usually limited to infinitely expanding the arrangement and accommodation quantity of the tool shanks on the tool magazine, that is, all spaces on the tool magazine should increase the number of the tool shanks as much as possible, but the tool magazine is usually neglected to dig more functional spaces, so that the space utilization of the tool magazine and the machine tool body is optimized.

SUMMERY OF THE UTILITY MODEL

The utility model provides a knife compartment device, knife compartment transmission device and digit control machine tool to solve above-mentioned problem.

The utility model provides a pair of tool magazine device, including tool magazine base plate, install the circulation drive unit on tool magazine base plate, the circulation drive unit has a plurality of tool holders that are used for installing tool holder and closed loop and arrange, the installation is used for the cutter holder of centre gripping handle of a knife on every tool holder, the circulation drive unit still has the tool holder that is used for driving closed loop and arranges with the driven circulation drive subassembly of closed loop circulation mode, still set up handle of a knife propelling movement unit on the tool magazine base plate, handle of a knife propelling movement unit has the propelling movement track of laying from inside to outside extension on tool magazine base plate, set up the propelling movement slider on the propelling movement track, the propelling movement slider is by a propelling movement driver drive reciprocating motion on the propelling movement track, set up the clamping jaw subassembly that is used for the centre gripping handle of a knife on the propelling movement slider, the position department that the tool holder that the closed loop was arranged corresponds clamping jaw subassembly establishes to the handle of a knife conversion handle of a knife pause conversion position department.

The utility model also provides a knife storehouse transmission device, including above-mentioned knife storehouse device, still include the transmission device with knife storehouse device cooperation, the transmission device includes the transmission track of laying to the processing platform direction by the knife storehouse, sets up the transmission base on the transmission track, the transmission drive assembly that drives the transmission base reciprocating motion on the transmission track, install on the transmission base and with the card tool rest that the clamping jaw subassembly corresponds, the card tool rest sets up two card tool slots that are used for centre gripping handle of a knife in the direction of laying of transmission track; a through groove through which the tool shank can pass is arranged between the two tool clamping grooves in the tool clamping seat, or the bottom of the tool clamping seat is installed on the transmission base through a rotation driving assembly, or the bottom of the tool clamping seat is installed on the transmission base through a lifting driving assembly, and the clamping jaw assembly of the tool shank pushing unit directly pushes the tool shank at the tool shank pause conversion position into one of the tool clamping grooves of the tool clamping seat along the laying direction of the transmission track.

The utility model also provides another kind of knife storehouse transmission device, including above-mentioned knife storehouse device, still include the transmission device with knife storehouse device cooperation, the transmission device includes the transmission track laid by the knife storehouse to the processing platform direction, sets up the transmission base on the transmission track, drives the transmission drive assembly of transmission base reciprocating motion on the transmission track, installs on the transmission base and with the card tool rest that clamping jaw subassembly corresponds, the card tool rest sets up two card tool grooves that are used for centre gripping handle of a knife in the laying direction of transmission track; the tool magazine device comprises a tool magazine device, a pushing sliding block, a lifting unit and a clamping jaw assembly, wherein the pushing sliding block of the tool magazine device is provided with the lifting unit, the lifting unit comprises a vertical track and a lifting driver, the lifting sliding block is arranged on the vertical track and driven by the lifting driver to reciprocate on the vertical track, and the clamping jaw assembly is arranged on the pushing sliding block in a mode of being arranged on the lifting sliding block; the clamping jaw assembly of the tool shank pushing unit directly places the tool shank at the tool shank pause conversion position into the tool clamping groove of one of the tool clamping seats in the vertical direction through the lifting unit.

The utility model provides a numerical control machine tool, which comprises the knife cabin transmission mechanism, a machine tool body, a movable processing platform, a processing main shaft and a portal frame for installing the processing main shaft on the machine tool body, wherein the machine tool body is provided with a longitudinal slide rail for the movable processing platform to slide longitudinally; the tool magazine device of the tool magazine transmission mechanism is arranged behind the portal frame and is suspended above the lathe bed through the supporting seat, and the transmission slide rail of the transmission device of the tool magazine transmission mechanism and the longitudinal slide rail share the same rail.

Above-mentioned technical scheme can find out, because the utility model discloses a knife compartment base plate is as the supporting body, it cooperatees with the selection sword of circulation drive unit to have built handle of a knife propelling movement unit around the knife compartment base plate, compare the mode that independently sets up the tool changing manipulator in current design, set up handle of a knife propelling movement unit on the knife compartment base plate, the efficiency of tool changing has further been promoted, handle of a knife propelling movement unit is swift releases the handle of a knife, need not other mechanisms and select the sword from the great knife crowd of quantity, the space utilization who has itself integrated the propelling movement unit on the knife compartment base plate makes the knife compartment has reached the maximize, the thinking mode with quick tool changing in the past with the tool changing manipulator setting on lathe bed or portal frame has been overturned. When the bin is separated from the portal frame, the cutter handle pushing unit is integrated in the cutter bin, and the combination of the cutter changing efficiency and the space utilization rate is optimal.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a knife magazine device provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of the portion A of the knife cartridge device in FIG. 1;

fig. 3 is a schematic top view of the knife magazine device according to the embodiment of the present invention;

fig. 4 is a schematic top view of a knife magazine device according to another embodiment of the present invention;

fig. 5 is a schematic perspective view of a tool magazine device with another installation method for the lifting unit of the present invention;

FIG. 6 is a schematic view of the knife cartridge device of FIG. 5 from another side;

fig. 7 is a schematic perspective view of the embodiment of the present invention, wherein the tool magazine transmission device is mounted on the machine tool body;

FIG. 8 is an enlarged view of the portion B of FIG. 7;

fig. 9 is a schematic view of a numerical control machine tool of the embodiment of the present invention, which does not show the magazine mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

firstly, in order to facilitate the reader to understand the technical solutions and principles in this embodiment and other embodiments, a general spatial direction is defined herein with reference to the accompanying drawings, taking the top view of the apparatus shown in fig. 2 as an example, the horizontal direction is the left-right direction of the reader facing the paper, the vertical direction is the top view direction of the reader facing the paper, and the longitudinal direction is the up-down direction of the paper. The above directional definitions are only referred to aid understanding of the technical solutions and do not constitute a limitation of the scope of protection.

The embodiment of the utility model provides a knife compartment device, it is shown in combination figure 1 to figure 9, knife compartment device includes knife compartment base plate 1, and a thin metal sheet is chooseed for use to knife compartment base plate, can save space and occupy. The circulating transmission unit is arranged on the tool magazine base plate 1 and is provided with a plurality of tool magazine seats 2 which are used for installing tool magazines and are arranged in a closed loop mode, the closed loop mode refers to that at least more than 2 tool magazine seats operate according to a closed loop mode when moving, each tool magazine seat can circularly reach one appointed position, for example, the tool magazine seats are arranged into long strip-shaped rings in the figure 1, the long strip-shaped annular arrangement is beneficial to arranging a plurality of groups of tool magazine seats on the same tool magazine base plate side by side, and space utilization rate is met, so that a tool magazine device suitable for a multi-spindle machine tool is shown in the figure 1. Each tool holder seat 2 is provided with a tool holder 21 for holding a tool shank 9, and the circulating transmission unit is also provided with a circulating driving component for driving the tool holder seats arranged in a closed loop circulating manner.

The circulating driving assembly is an assembly for realizing circulating driving of the tool setting clamping seat group by matching a driver with a related device. For example, in the chain transmission mechanism assembly shown in fig. 1 and fig. 2, the endless driving assembly includes a driving motor 41, a driving pulley 42 driven by the driving motor 41, a driven pulley 43 engaged with the driving pulley 42, and a chain belt 44 disposed on the driving pulley 42 and the driven pulley 43, and the holder blocks 2 are mounted on the side of the chain belt 44 to form a closed-loop arrangement. Certainly, a transmission device such as a speed reducer and the like for increasing torque or improving efficiency can be additionally arranged between the driving motor 41 and the driving wheel 42, the chain belt comprises a chain and a transmission belt which are circularly transmitted, when the chain is adopted, the driving wheel and the driven wheel are arranged to be in a gear structure, and when the transmission belt is adopted, the driving wheel and the driven wheel are arranged to be a roller or a roller. As mentioned above, the chain belt structure forms a strip-shaped cutter holder group form, and can ensure that a plurality of groups of strip-shaped cutter holder groups are arranged on one cutter bin base plate, so that the overall capacity of the cutter bin is increased, and the space utilization rate is maximized.

Because adopt the drive wheel in this embodiment and follow the rectangular form drive structure that the driving wheel constitutes, obtain very big optimization in the aspect of space utilization, but the chain belt between drive wheel and the driven wheel can have the not enough condition of rising, and the tight pulley that rises can be add to most personnel, but this kind of structure is with high costs, can occupy great space. In this embodiment, a support body is extended from a position corresponding to the middle of the driving wheel and the driven wheel on the knife compartment base plate, and a bracket with one opened side for avoiding the knife holder is arranged on the support body, so as to help the chain belt to keep stable operation. The inlet and outlet of the chain belt of the bracket are provided with cambered surfaces or inclined surfaces so as to facilitate the sliding of the chain belt and prevent the chain belt from being blocked.

In fig. 3, another driving assembly of the tool holder set in a circular closed-loop arrangement is shown, and the circular driving assembly of the structure comprises a driving motor 41 (the same motor as the structure in fig. 2 can be adopted), and a rotating disc 45 driven by the driving motor 41, wherein the tool holder 2 is arranged on the periphery of the rotating disc to form the closed-loop arrangement. Obviously, the circulating driving assembly of the rotary table structure has a simple structure, and other devices are relatively few, but because the space of the rotary table occupies a large space, the number of the rotary tables mounted on the same tool magazine base plate is limited, and the whole tool magazine capacity is inferior to that of the chain belt type circulating driving assembly. The rotary disc is a metal disc, and the upper cutter clamping seat is directly arranged on the periphery of the metal disc.

Still set up handle of a knife propelling movement unit on the knife storehouse base plate 1, handle of a knife propelling movement unit has the propelling movement track 31 of laying from inside to outside extension on the knife storehouse base plate 1, set up propelling movement slider 32 on the propelling movement track 31, propelling movement slider 32 is by a propelling movement driver 33 drive reciprocating motion on propelling movement track 31, set up the clamping jaw subassembly that is used for centre gripping handle of a knife 9 on the propelling movement slider 32, the position department that the cutter holder seat 2 that the closed loop was arranged corresponds the clamping jaw subassembly establishes to handle of a knife pause converting position, the clamping jaw subassembly is in handle of a knife pause converting position department presss from both sides and gets handle of a knife 9 and releases to the 1 outside of knife storehouse base. In the embodiment, the clamping jaw assembly is selected to be pushed out in the longitudinal direction, so that the clamping jaw assembly is matched with a moving workbench of a numerical control machine tool to keep the same moving direction when the device is applied to the numerical control machine tool, and therefore the tool changing efficiency is improved and the mechanism is simplified.

In the case of a jaw assembly, the driver drives the associated device to effect the clamping and unclamping actions. The clamping jaw assembly in this embodiment comprises a clamping jaw base 51, two clamping blocks 52 arranged on the clamping jaw base 51 and arranged oppositely, and a clamping jaw driver 53 for driving the two clamping blocks 52 to clamp or unclamp. In the embodiment, the clamping jaw driver adopts the driving cylinder, the sliding rail is arranged below the clamping jaw base, the two clamping blocks are arranged on the sliding rail and are driven by the driving cylinder to clamp or loosen, the action response is timely and efficient, and the structure is simple.

It will be appreciated that other embodiments of the jaw assembly for accessing a tool shank may take other forms, including, for example, cartridge, blade, and blade holder types.

The cutter holder on the cutter holder seat that corresponds has uncovered can ensure that the handle of a knife is passed in and out on vertical, vertically hang can, carry the handle of a knife to rotate as the cutter holder seat when the handle of a knife pauses converting position department, the circulation drive subassembly stops the drive, and the propelling movement driver of handle of a knife propelling movement unit promotes the propelling movement slider and makes clamping jaw assembly just also be located handle of a knife pause converting position department, then clamping jaw assembly drive clamp splice presss from both sides tight handle of a knife, and handle of a knife propelling movement unit continues outwards to release the cutter holder assembly on vertical, receives the handle of a knife until next process. In the process, the clamping jaw assembly and the tool holder seat move on the same level.

In order to adapt to production needs, the digit control machine tool (including two main shafts, three main shafts and more) of many main shafts processing is used widely, tool magazine device in this embodiment is in order to adapt to the needs of many main shafts processing, when considering optimizing cost and furthest reduction space occupation, make structural improvement, arrange on the tool magazine base plate and set up more than two sets of circulation drive unit, specifically be 4 groups, tool shank propelling movement unit also correspondingly arranges and sets up more than two sets of, specifically 4 groups, the clamping jaw subassembly of every group tool shank propelling movement unit will correspond circulation drive unit and be in tool shank on the tool shank pause converting position department tool holder is released. Certainly not excluding every a set of circulation drive unit and corresponding a set of handle of a knife propelling movement unit and clamping jaw subassembly, but in order to further optimize the structure, set up a propelling movement driver and a set of propelling movement track on the knife storehouse base plate 1, the perpendicular extension of propelling movement direction along the knife storehouse base plate plane forms the propelling movement yoke plate on the propelling movement slider 32, and the propelling movement slider extends in horizontal direction and forms the propelling movement yoke plate promptly, arranges on the propelling movement yoke plate and installs more than two sets of clamping jaw subassemblies and forms more than two sets of handle of a knife propelling movement units. Here, a group of push tracks includes a single push track and a group of at least two or more push tracks. The mode that a plurality of groups of tool shank pushing units share one pushing driver, even the mode that a group of pushing rails share one pushing rail can greatly simplify the structure, save the cost and reduce the occupied space.

Example 2:

in the above embodiment 1, the jaw assembly and the tool base move on the same level, which greatly simplifies the structure, but the tool holder must use an open suspension mode, which is easy to slip in the longitudinal direction, causing more loss, and if the tool holder adopts an interference fit mode to fix the tool shank in an embedded mode, the peripheral surface of the tool shank is easily damaged by friction. In view of this, further optimization of the device structure is required.

It should be emphasized that, the structure of handle of a knife among the prior art is generally comparatively simple, or direct cylinder structure, or adopt the cone structure, mainly be for the ease of getting and put, handle of a knife in this embodiment has adopted relatively complicated structure, cylinder base 91 has, the upper portion of cylinder base 91 is back taper head 92, the position department diameter that links up at cylinder base 91 and back taper head 92 is greater than the ring boss 93 of cylinder base, the top at back taper head 92 sets up the spliced pole 94 that the diameter is less than back taper head top, the top at spliced pole 94 sets up the top cap 95 that the diameter is greater than the spliced pole. Wherein top cap 95 establishes to cambered surface top structure or nearly cambered surface top structure, is favorable to keeping away the space, prevents to wipe and bumps, and spliced pole department has been favorable to further fixing at the top centre gripping for whole concave ring structure that has formed to constitute both ends with the cylinder base and fix. In order to further facilitate the fixation of the tool shank, a step layer 96 with the diameter between the top end of the inverted cone head and the connecting column is arranged between the connecting column and the top end of the inverted cone head, parallel clamping surfaces are arranged on the opposite sides of any periphery of the step layer, and the opposite clamping surfaces can ensure that the tool shank can be manually adjusted by a wrench. For further convenience in fixing, the two circular bosses 93 are arranged, a circular groove 97 is formed between the two circular bosses, and the reference can be made when the position of the tool holder is vertically adjusted while the clamping is facilitated.

The tool shank is more suitable for being taken and placed in a lifting mode, and lifting actions are increased when the tool shank is taken and placed. On the basis of the above embodiment 1, a lifting unit is arranged on the pushing slider 32, the lifting unit includes a vertical rail 61 and a lifting driver 62, a lifting slider 63 is arranged on the vertical rail, the lifting slider 63 is driven by the lifting driver 62 to reciprocate on the vertical rail 61, and the clamping jaw assembly is mounted on the pushing slider 32 by being arranged on the lifting slider 63. The lifting unit is integrated in the tool shank pushing unit, so that the clamping jaw assembly is lifted with a simpler structure and cost.

In order to further save space and increase the capacity of the knife magazine base plate, an inward recessed accommodating groove 64 is formed in the position, corresponding to the vertical track, of the knife magazine base plate, and the lifting slide block 63 is accommodated in the accommodating groove 64 and does not protrude out of the outer edge of the knife magazine base plate 1. It can be understood that once the knife handle pushing unit has a pushing action, the lifting unit and the clamping jaw assembly can be pushed out of the outer edge of the knife bin base plate, so that the knife handle can be timely and accurately obtained in the next procedure. The setting of holding tank can also further protect hoisting unit and handle of a knife propelling movement unit, prevents other material external force invasion harm.

In order to balance the stress and further optimize the space utilization rate on the tool magazine base plate, the circulating transmission unit is installed on the lower side surface of the tool magazine base plate 1, and the tool shank pushing unit is installed on the upper side surface of the tool magazine base plate 1. Two faces of the knife compartment base plate are basically and uniformly used, the two faces are stressed to be balanced, and the knife compartment base plate is more favorable for installation and fixation. Especially, the two functional units are arranged on different sides, so that the maintenance of an operator in the later period is facilitated. The concentration of a plurality of functional units on the same plane increases interference with each other.

In another embodiment, also in order to ensure that the lifting unit does not protrude, as shown in fig. 5 and 6, the structure of the upper and lower surfaces of the magazine base plate of the magazine device is shown, wherein the accommodating groove 64 is opened in the magazine base plate and extends along the longitudinal direction of the pushing track, the clamping jaw assembly 6 is on the same side of the magazine base plate as the circulating transfer unit, but the shank pushing unit, the lifting unit and the clamping jaw assembly 6 can be arranged in the closed loop of the long-strip-shaped tool holder, and the space is properly utilized. The working principle of the circular conveying unit is not influenced actually when the circular conveying unit is arranged above or below the cutter bin base plate, and the direction of the cutter holder seat can be adjusted correspondingly.

To the knife magazine device that this embodiment demonstrates, and show in fig. 5 and fig. 6 as the storehouse device, the tool holder seat that the closed loop was arranged is vertically long banding, the long banding both sides of closed loop are neat corresponding and are set up the tool holder seat, correspond handle of a knife pause converting position department and set up a tool holder seat in the one end of closed loop, then vacate not to set up the tool holder seat at the other end of closed loop, make optimization calculation efficiency on the programming, can also guarantee that vertical space occupies fewly, reduce the vertical length of tool magazine base plate under the circumstances that does not influence the tool magazine capacity as far as possible, save cost, the circulation drive assembly also corresponds to become vertically to set up on the tool magazine base plate, this kind of design makes drive assembly and tool holder arrange and can match completely, promote the utilization ratio of space, promote the tool magazine capacity.

In order to improve the tool changing accuracy and improve the tool changing efficiency, the circulating transmission unit further comprises a pause detection sensor for detecting whether the tool holder is arranged at the pause conversion position or not, the pause detection sensor can adopt a Hall sensor, a proximity sensor or a photoelectric sensor and the like, and the pause detection sensor can be arranged on a tool bin base plate or at other fixable positions through a support. The increase of the pause detection sensor is beneficial to improving the reliability of the program, and the detection sensor is more advantageous compared with the detection sensor arranged on the tool changing manipulator in the prior art.

In order to adapt to the production needs, the numerical control machine tool of many main shafts processing is by wide application, tool magazine device in this embodiment is in order to adapt to the needs of many main shafts processing, when considering that optimization cost and furthest's reduction space occupy, make the institutional advancement, correspond the improvement of handle of a knife propelling movement unit, this embodiment sets up a promotion driver and promotes the slider on the propelling movement yoke plate of above-mentioned embodiment 1, it is the promotion yoke plate 64 that extends the formation to both sides to promote the slider, set up two sets of more than vertical track on the promotion yoke plate, the clamping jaw subassembly setting more than two is on vertical track. Four groups of clamping jaw assemblies correspond to four lifting units, the lifting yoke plate has 2 blocks, two lifting slide blocks are arranged on each lifting yoke plate, and the structure of the holding device is balanced. Of course, in other embodiments, one lifting yoke plate may be used, and 4 lifting sliders may be directly provided on one lifting yoke plate, but the balance is slightly poor.

Corresponding clamping jaw assembly has been designed in this embodiment in order to better adapt to above-mentioned handle of a knife structure, and the clamping jaw assembly in this embodiment all sets up the cardboard 54 of inboard extension in the relative inboard of two clamp splice 52 on above-mentioned structure basis, sets up the card portion 55 of going into that matches with handle of a knife afterbody (being handle of a knife spliced pole position) profile on the cardboard 54, and the lower part of the relative inboard of two clamp splice 52 has all set up the centre gripping groove 56 with the handle of a knife outside (being the back taper head position department of handle of a knife) profile matching. The clamping jaw assembly with the structure can be fixed in a matching mode at the upper point and the lower point of the tool shank, and clamping stability is guaranteed. No slide position is arranged vertically and no looseness is arranged horizontally. The clamping jaw assembly is more beneficial to lifting, pulling, taking and placing the tool shank.

Simultaneously, to foretell handle of a knife structure, still optimized the cutter holder in this embodiment, cutter holder in this embodiment is a mounting panel 22, and cutter holder 21 is installed to mounting panel 22's bottom detachably, the cutter holder be one with the mounting panel sets up perpendicularly and the board fork of outside extension, and the front end setting of board fork is used for the uncovered of handle of a knife entering, and the uncovered inboard formation lower floor of board fork is U-shaped mouth 23, upper strata and is the layered structure of C shape mouth 24, thereby upper C shape mouth internal diameter width is greater than lower floor's U-shaped mouth and forms the step face. The U-shaped mouth of lower floor can guarantee that the cylinder base of handle of a knife gets into accessible, and the C shape mouth of upper strata can make the ring boss of handle of a knife held, and the step face that the layered structure formed supports the ring boss that the handle of a knife cooperation C shape mouth surrounded the handle of a knife, makes the handle of a knife and the abundant firm accurate fixing.

The lifting unit is additionally arranged on the knife bin device in the embodiment, the knife handle can be guaranteed to be lifted and placed, the slipping problem that the knife handle is horizontally pushed and placed possibly is solved, the integrated design of the lifting unit cannot greatly increase the space occupation, the structure is simple, and the cost is low and the efficiency is high.

Example 3:

the embodiment provides a tool magazine conveying mechanism, which comprises the tool magazine device in embodiment 1, and further comprises a conveying device matched with the tool magazine device, wherein the conveying device comprises a conveying track 71 laid from the tool magazine to the machining table, a conveying base 72 arranged on the conveying track 71, a conveying driving assembly for driving the conveying base 72 to reciprocate on the conveying track 71, and a tool clamping seat arranged on the conveying base 72 and corresponding to the clamping jaw assembly 6, wherein the tool clamping seat is provided with two tool clamping grooves for clamping a tool shank in the laying direction of the conveying track; a through groove through which the tool shank can pass is formed between the two tool clamping grooves in the tool clamping seat, and the clamping jaw assembly of the tool shank pushing unit directly pushes the tool shank at the tool shank pause conversion position into one of the tool clamping grooves in the tool clamping seat along the laying direction of the conveying track. Because the handle pushing unit and the circulating conveying unit in the embodiment 1 convey the handles on the same level, the two cutter clamping grooves on the cutter clamping seat are communicated through the through groove, one of the cutter clamping grooves can be selected to be placed on the handle in the longitudinal direction, and the support mode of the hanging support can be adopted. The structure of the knife holder in the following embodiment 4 is shown, while the specific structure of the knife holder in this embodiment is not shown, and the structure of the other same parts of the transmission device can still refer to the drawings.

In order to further ensure the bearing stability of the tool holder, in other embodiments, the bottom of the tool clamping seat is mounted on the transmission base through a rotating driving assembly, one tool clamping groove bears the tool holder, and the other unloaded tool clamping groove can be rotated to a required position for tool changing operation. Certainly carry out the improvement to the card blade holder in addition, pass through lift drive assembly with card blade holder bottom and install on the transmission base, when the card blade holder can influence the handle of a knife route of marcing, descend earlier the card blade holder and make away from the sky, wait to the handle of a knife back of passing through, the card blade holder rises and resets, and two card sword grooves of card blade holder can be uncovered to the both sides that carry on the back mutually.

For the multiunit clamping jaw subassembly of cooperation tool magazine device, also correspond the card tool holder that sets up multiunit in this embodiment on the transmission base.

Example 4:

the present embodiment provides another tool magazine transmission mechanism, including the tool magazine device in the above embodiment 2, further including a transmission device matched with the tool magazine device, the transmission device includes a transmission rail 71 laid from the tool magazine to the processing table, a transmission base 72 disposed on the transmission rail 71, and a transmission driving assembly for driving the transmission base to reciprocate on the transmission rail, and the driving assembly may adopt a driving mode of a motor matching with a lead screw and a driving mode of a cylinder matching with a slide rail. The conveying device further comprises a cutter clamping seat 73 which is arranged on the conveying base 71 and corresponds to the clamping jaw assembly, and two cutter clamping grooves 74 for clamping the cutter handles are formed in the cutter clamping seat 73 in the laying direction of the conveying track. The magazine tool device in embodiment 2 is configured with a lifting unit, that is, a lifting unit is arranged on a pushing slide block of the magazine tool device, the lifting unit includes a vertical track and a lifting driver, the lifting slide block is arranged on the vertical track, the lifting slide block is driven by the lifting driver to reciprocate on the vertical track, and a clamping jaw assembly is mounted on the pushing slide block in a manner of being arranged on the lifting slide block; the clamping jaw assembly of the tool shank pushing unit directly places the tool shank at the tool shank pause conversion position into the tool clamping groove of one of the tool clamping seats in the vertical direction through the lifting unit. After the lifting unit is matched, the transmission device does not need to be changed too much like in embodiment 1, and the structure of the tool apron can be designed to be more suitable for fixing the tool shank.

In this embodiment, each knife clamping seat 73 includes two independent support plates 75 erected on the transmission base 72, a knife clamping plate 76 is vertically arranged on the upper portion of each support plate 75 and extends inward, two knife handle positioning grooves 77 are arranged on the front end faces of the two knife clamping plates along the transmission track laying direction, a knife supporting step face 78 extending inward is arranged on the vertical lower portion of each knife handle positioning groove, and the knife handle positioning grooves 77 and the knife supporting step faces 78 on the two oppositely arranged knife clamping plates form a knife clamping groove 74. The cutter clamping groove of the structure is more suitable for the cutter handle with the cylindrical base and the inverted cone head in the embodiment, the circular boss of the cutter handle can be perfectly matched with the cutter clamping groove, the cutter handle is guaranteed to be stably fixed once entering the cutter clamping seat, and the problem of slippage or shaking is avoided. Because the transmission device can move longitudinally, after the transmission base bears the clamping tool seat and moves to the designated position of the tool magazine device on the transmission track, the tool shank pushing unit of the tool magazine device can select which clamping tool groove on the clamping tool seat is specifically used through the lifting unit. In order to further improve the monitoring of the tool loading state of the fast clamping tool holder, in this embodiment, a load detection sensor 79 is further disposed on the clamping tool holder, and an inner concave arc groove 751 is disposed on the side wall of the support plate 75, so that the load detection sensor can be accommodated, the cost can be reduced, and an additional fixing device is not needed. The supporting plate is provided with a threaded hole at the top end, the supporting plate is correspondingly provided with a mounting hole, the clamping plate is detachably mounted on the supporting plate through a bolt, and the clamping plate can be adjusted and replaced at any time to adapt to different knife handle structures. In addition, the mounting holes in the cutter clamping plate are long adjusting holes extending in the clamping direction of the cutter clamping plate, and the design can ensure that the cutter clamping plate can adapt to the handles of the cutters in different sizes by adjusting the positions of the cutter clamping plate in the clamping direction under the condition that the cutter clamping plate is not replaced, so that the adaptability is improved.

In the embodiment, the magazine unit is provided with more than two groups of clamping jaw assemblies 6 which are transversely arranged, the transmission base comprises a base sliding block 721 extending transversely, two base supporting plates 722 arranged on two sides of the base sliding block 721 and a transmission supporting plate 723 arranged on the upper parts of the two base supporting plates 722, the transverse length of the transmission supporting plate 723 is larger than that of the base sliding block 721, the balance is guaranteed, meanwhile, the material cost and the space occupation can be greatly saved, and more than two groups of clamping tool seats 73 and the clamping jaw assemblies 6 are correspondingly transversely arranged on the transmission supporting plate 723. The transmission base realizes the most stable bearing with the simplest structure.

The transmission base in this embodiment is also provided with more than two groups of clamping tool seats to match with more than two groups of clamping jaw assemblies on the tool magazine device, so as to provide conditions for processing multiple spindles.

Generally, the knife compartment transmission device in this embodiment realizes with knife compartment device cooperation transmission, and tool changing efficiency can promote by a wide margin, and stability can be guaranteed, especially the promotion unit cooperation transmission device's of knife compartment device card tool holder structure, makes the steady quilt of handle of a knife fixed, the slippage can not appear in the transmission or the problem of rocking.

Example 5:

the embodiment provides a numerical control machine tool, which comprises the tool magazine transmission mechanism, specifically adopts the tool magazine transmission mechanism in embodiment 4 as introduction, and further comprises a machine body 101, a movable machining table 102, a machining spindle 103 and a portal frame 104 for installing the machining spindle 103 on the machine body, wherein the machine body 101 is provided with a longitudinal slide rail for the movable machining table 102 to longitudinally slide; the tool magazine device of the tool magazine transmission mechanism is arranged behind the portal frame 104 and suspended above the lathe bed 101 through the supporting seat 105, and the transmission slide rail 71 of the transmission device of the tool magazine transmission mechanism and the longitudinal slide rail share the same track. Therefore, a large shared space is obtained in space design, and the cost is greatly reduced.

Of course, in other embodiments, the magazine transport mechanism of embodiment 3 may be used, and the technical means that the transport slide rails of the transport device of the magazine transport mechanism and the longitudinal slide rails share the same rail is not affected.

The knife compartment device, the knife compartment transmission mechanism and the numerical control machine tool provided by the embodiment of the utility model are introduced in detail, the principle and the implementation mode of the utility model are explained by applying specific examples, and the explanation of the above embodiments is only used for helping to understand the core idea of the utility model; meanwhile, for the person skilled in the art, according to the idea and method of the present invention, there may be changes in the specific embodiments and the application scope, and in summary, the content of the present specification should not be understood as a limitation to the present invention.

Claims

1. The tool magazine device is characterized by comprising a tool magazine base plate, a circulating transmission unit is installed on the tool magazine base plate, the circulating transmission unit is provided with a plurality of tool holder seats used for installing tool holders and arranged in a closed loop mode, a tool holder used for clamping a tool shank is installed on each tool holder seat, the circulating transmission unit is further provided with a circulating driving assembly used for driving the tool holder seats arranged in the closed loop mode to drive in a closed loop circulating mode, a tool shank pushing unit is further arranged on the tool magazine base plate and provided with a pushing track paved on the tool magazine base plate in an extending mode from inside to outside, a pushing sliding block is arranged on the pushing track and driven by a pushing driver to reciprocate on the pushing track, a clamping jaw assembly used for clamping the tool shank is arranged on the pushing sliding block, the position of the tool holder seats arranged in the closed loop mode corresponding to the clamping jaw assembly is set to be a pause conversion position, and the clamping jaw assembly is arranged at the pause conversion position of the tool shank and clamped.

2. The tool magazine apparatus of claim 1, wherein the pushing slide is provided with a lifting unit, the lifting unit comprises a vertical rail and a lifting driver, the vertical rail is provided with a lifting slide, the lifting slide is driven by the lifting driver to reciprocate on the vertical rail, and the clamping jaw assembly is mounted on the pushing slide by means of being arranged on the lifting slide.

3. The knife magazine apparatus of claim 2, wherein the magazine base plate is provided with an inwardly recessed receiving groove at a location corresponding to the vertical track, the lifting slide being received in the receiving groove so as not to protrude beyond an outer edge of the magazine base plate.

4. The tool magazine apparatus of claim 1, wherein the carousel unit is mounted to a lower side of the magazine base plate and the shank pusher unit is mounted to an upper side of the magazine base plate.

5. The tool magazine apparatus of claim 1, wherein the circulating drive assembly comprises a driving motor, a driving wheel driven by the driving motor, a driven wheel engaged with the driving wheel, and a chain belt disposed on the driving wheel and the driven wheel, and the tool holder seats are mounted on a side of the chain belt to form a closed-loop arrangement.

6. The tool magazine apparatus of claim 1, wherein the endless drive assembly includes a drive motor, a turntable driven by the drive motor, and the tool holder mounts are mounted on a periphery of the turntable to form a closed loop arrangement.

7. The tool magazine apparatus of claim 1, wherein the jaw assembly comprises a jaw base, two opposing jaws mounted on the jaw base, and a jaw driver for driving the two jaws to clamp or unclamp.

8. The tool magazine apparatus of claim 7, wherein the clamping plates are provided with clamping grooves extending inwardly on opposite inner sides of the two clamping blocks, the clamping plates are provided with clamping portions matching with the contour of the tail portion of the tool holder, and the clamping grooves matching with the contour of the outer side of the tool holder are provided on lower portions of the opposite inner sides of the two clamping blocks.

9. The knife magazine apparatus of claim 1, wherein the knife holder base is a mounting plate, the knife holder is detachably mounted on a bottom end of the mounting plate, the knife holder is a plate fork vertically disposed to the mounting plate and extending outward, an opening for the knife handle to enter is disposed at a front end of the plate fork, a layered structure having a U-shaped opening at a lower layer and a C-shaped opening at an upper layer is formed inside the opening of the plate fork, and an inner diameter width of the C-shaped opening at the upper layer is larger than that of the U-shaped opening at the lower layer to form a step surface.

10. The tool magazine apparatus of claim 1, wherein the tool holders arranged in a closed loop are elongated in a longitudinal direction, the tool holders are arranged in alignment on both sides of the elongated shape of the closed loop, a tool holder is arranged at one end of the closed loop corresponding to the tool holder pause switching position, the tool holder is not arranged at the other end of the closed loop, and the circulating drive assembly is arranged in a longitudinal direction on the tool magazine base plate.

11. The knife magazine apparatus of claim 1, in which the cyclical transmission unit further comprises a pause detection sensor for detecting whether a knife handle is present at the knife handle pause transition position.

12. The tool magazine apparatus of any one of claims 1 to 11, wherein more than two sets of the circulation transmission units are arranged on the tool magazine base plate, more than two sets of the tool shank pushing units are correspondingly arranged, and the clamping jaw assembly of each set of the tool shank pushing unit pushes out the tool shank on the tool holder seat at the tool shank pause conversion position of the corresponding circulation transmission unit.

13. The tool magazine apparatus of claim 12, wherein the magazine base plate includes a pusher actuator and a plurality of pusher rails, the pusher slider extends along the plane of the magazine base plate perpendicular to the pusher direction to form a pusher yoke, and the pusher yoke is formed with at least two sets of gripper assemblies arranged to form at least two sets of tool shank pusher units.

14. The tool magazine apparatus of claim 13, wherein the pushing yoke is provided with a lifting actuator and a lifting slider, the lifting slider is a lifting yoke extending to both sides, the lifting yoke is provided with two or more sets of vertical rails, and the two or more clamping jaw assemblies are arranged on the vertical rails.

15. The tool magazine conveying mechanism comprises the tool magazine device as claimed in any one of claims 1 to 14, and is characterized by further comprising a conveying device matched with the tool magazine device, wherein the conveying device comprises a conveying track laid from the tool magazine to the machining table, a conveying base arranged on the conveying track, a conveying driving assembly for driving the conveying base to reciprocate on the conveying track, and a tool clamping seat arranged on the conveying base and corresponding to the clamping jaw assembly, and two tool clamping grooves for clamping the tool shank are formed in the tool clamping seat in the laying direction of the conveying track; a through groove through which the tool shank can pass is arranged between the two tool clamping grooves in the tool clamping seat, or the bottom of the tool clamping seat is installed on the transmission base through a rotation driving assembly, or the bottom of the tool clamping seat is installed on the transmission base through a lifting driving assembly, and the clamping jaw assembly of the tool shank pushing unit directly pushes the tool shank at the tool shank pause conversion position into one of the tool clamping grooves of the tool clamping seat along the laying direction of the transmission track.

16. The tool magazine conveying mechanism comprises the tool magazine device as claimed in any one of claims 1 to 14, and is characterized by further comprising a conveying device matched with the tool magazine device, wherein the conveying device comprises a conveying track laid from the tool magazine to the machining table, a conveying base arranged on the conveying track, a conveying driving assembly for driving the conveying base to reciprocate on the conveying track, and a tool clamping seat arranged on the conveying base and corresponding to the clamping jaw assembly, and two tool clamping grooves for clamping the tool shank are formed in the tool clamping seat in the laying direction of the conveying track; the tool magazine device comprises a tool magazine device, a pushing sliding block, a lifting unit and a clamping jaw assembly, wherein the pushing sliding block of the tool magazine device is provided with the lifting unit, the lifting unit comprises a vertical track and a lifting driver, the lifting sliding block is arranged on the vertical track and driven by the lifting driver to reciprocate on the vertical track, and the clamping jaw assembly is arranged on the pushing sliding block in a mode of being arranged on the lifting sliding block; the clamping jaw assembly of the tool shank pushing unit directly places the tool shank at the tool shank pause conversion position into the tool clamping groove of one of the tool clamping seats in the vertical direction through the lifting unit.

17. The knife magazine conveying mechanism of claim 16, wherein each knife holder comprises two independent support plates erected on the conveying base, a knife holding plate extends vertically inward from the upper portion of each support plate, two knife holder positioning grooves are arranged on the front end faces of the two knife holding plates along the laying direction of the conveying track, a knife supporting step face extending inward is arranged on the vertical lower portion of each knife holder positioning groove, and a knife holding groove is formed by the knife holder positioning grooves and the knife supporting step faces on the two oppositely arranged knife holding plates.

18. The magazine transport mechanism of claim 16, wherein the magazine unit is provided with two or more sets of gripper assemblies arranged in a lateral direction, the transport base includes a base slide extending in the lateral direction, two base support plates arranged on both sides of the base slide, and a transport pallet mounted on an upper portion of the two base support plates, the transport pallet having a greater lateral length than the base slide, and the two or more sets of gripper blocks are mounted on the transport pallet in a lateral arrangement corresponding to the gripper assemblies.

19. A numerically controlled machine tool, comprising the tool magazine conveying mechanism of any one of claims 14 to 17, further comprising a machine bed, a movable machining table, a machining spindle, and a gantry for mounting the machining spindle on the machine bed, wherein the machine bed is provided with a longitudinal slide rail for the movable machining table to slide longitudinally; the tool magazine device of the tool magazine transmission mechanism is arranged behind the portal frame and is suspended above the lathe bed through the supporting seat, and the transmission slide rail of the transmission device of the tool magazine transmission mechanism and the longitudinal slide rail share the same rail.