A tool storage and tool changing system for machining centers for automatic machining

Abstract

The present application relates to a kind of machining center automatic processing tool storage tool changing system.The machining center automatic processing tool storage tool changing system, including base piece, the surface of the base piece is provided with frame body, the surface of the frame body is connected with the circulating reciprocating movement of storage tool chain, the surface of the storage tool chain is detachably connected with several groups of tool body, the surface of the frame body is also connected with longitudinal and transverse moving device, the moving end of the longitudinal and transverse moving device is fixedly connected with tool picker, the surface of the base piece is also fixedly connected with moving device, the moving device is away from storage tool chain movement, the moving end of the moving device is fixedly connected with rotator, the transverse moving direction of longitudinal and transverse moving device is same with the transverse moving direction of moving device, the longitudinal moving direction of longitudinal and transverse moving device is perpendicular to the plane direction of base piece;The machining center automatic processing tool storage tool changing system can greatly save tool changing time, improves tool changing efficiency.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of numerical control machine tools, and particularly relates to a tool storage and tool changing system for machining center automatic machining. BACKGROUND

[0002] The tool changing system is a device for tool storage and tool changing in the machining center automatic machining process, and mainly comprises a tool magazine and a tool changing mechanism. The tool magazine mainly provides a tool storage position and can correctly select a tool for positioning according to a program to perform tool exchange. In the existing tool storage and tool changing system, the tool magazine is fixed in a certain area of an airport, and when the machine tool stroke is large, the machine tool displacement distance is long each time the tool is changed, and time is wasted. SUMMARY

[0003] The purpose of the application is to provide a tool storage and tool changing system for machining center automatic machining, which is simple in structure and reasonable in design.

[0004] The application achieves the above-mentioned purpose through the following technical scheme:

[0005] A tool storage and tool changing system for machining center automatic machining comprises a base, the surface of the base is provided with a frame, the surface of the frame is connected with a circulating reciprocating tool storage chain, the surface of the tool storage chain is detachably connected with a plurality of groups of tool bodies, the surface of the frame is also connected with a longitudinal and transverse movement device, the moving end of the longitudinal and transverse movement device is fixedly connected with a tool picker, the surface of the base is also fixedly connected with a movement device, the movement device moves away from the tool storage chain, the moving end of the movement device is fixedly connected with a rotator, the transverse movement direction of the longitudinal and transverse movement device is the same as the transverse movement direction of the movement device, the longitudinal movement direction of the longitudinal and transverse movement device is perpendicular to the plane direction of the base, the tool picker is detachably connected with the head of the tool body, and the rotator is detachably connected with the body of the tool body.

[0006] As a further optimization scheme of the application, the system further comprises a control device, and the control end of the control device is connected with the control ends of the tool storage chain, the longitudinal and transverse movement device, the rotator and the movement device.

[0007] As a further optimization scheme of the application, the longitudinal and transverse movement device comprises a first movement driving piece, the driving end of the first movement driving piece is connected with a second movement driving piece, the driving end of the second movement driving piece is connected with the tool picker, the first movement driving piece drives the second movement driving piece and the tool picker to move up and down, and the second movement driving piece drives the tool picker to move transversely.

[0008] As a further optimization scheme of the application, the first movement driving piece and the second movement driving piece are both cylinder assemblies.

[0009] As a further optimization scheme of the present application, the tool pickup device comprises a tool pickup shell, a pressing groove is arranged at the bottom of the tool pickup shell, a tool head of the tool body can be inserted into the pressing groove, an outer shell is arranged in the pressing groove, an outer surface of the outer shell is provided with a ball outlet groove, a movable tube that can move up and down is arranged in the inner part of the outer shell, a spring member is connected to the upper end of the movable tube, a resisting plate member is arranged at the upper end of the spring member and fixed with the tool pickup shell, a ball is arranged between the movable tube and the outer shell, and the ball can enter and exit the outer shell through the ball outlet groove.

[0010] As a further optimization scheme of the present application, the tool body comprises a head arranged at the upper end of the body, an insertion groove is arranged at the top end of the head, an inner clamping groove is arranged in the groove wall of the insertion groove, the outer shell can be inserted into the insertion groove, and the ball can be clamped into the inner clamping groove.

[0011] As a further optimization scheme of the present application, the part of the tool storage chain connected with the part of the tool body of the rotator is provided with the same clamping structure; a clamping ring groove is arranged on the surface of the body, an outer clamping groove is arranged outwardly expanded in the clamping ring groove, and the clamping structure cooperates with the outer clamping groove.

[0012] As a further optimization scheme of the present application, the clamping structure comprises symmetrically arranged clamping plates, a clamping block is arranged between the oppositely arranged clamping plates, the clamping block is inserted horizontally into the clamping ring groove, and the up-and-down movement of the tool body is limited at both sides of the tool body.

[0013] As a further optimization scheme of the present application, the rotator comprises a support, a rotating driving member is connected in the support, a rotating frame is fixedly connected to the driving end of the rotating driving member, the rotating frame comprises two groups of outwardly extending clamping arms, and corresponding clamping blocks are arranged at the ends of the clamping arms.

[0014] As a further optimization scheme of the present application, the clamping block is a resilient member; or, a protruding thin plate is arranged at the opposite side of the clamping plate, and the clamping block is arranged on the surface of the thin plate.

[0015] The present application has the advantages that: the system in the present application has strong independence, after the main shaft completes tool changing, the system can still perform the actions of returning the tool and preselecting the tool, time is saved, and the tool changing efficiency is improved, whether the tool-to-tool time or the chip-to-chip time is greatly shortened;

[0016] The system makes the production process automatic and continuous, so that a complex part that needs to be machined by multiple tools can be completed at one time, the time required for tool changing is saved, the machining efficiency is improved, errors caused by multiple installations are reduced, and the machining precision of the machine tool can be effectively improved;

[0017] The system is provided with a tool pickup device and a rotator, so that the tool body to be replaced is moved in advance, so that the machine tool is operated quickly when the tool is replaced, the tool replacement time is saved, the layout is various, and the wear of the screw and guide rail of the machine tool is reduced.

[0018] The tool magazine mode and the number of tools of the system are very flexible, the tool magazine can be completely reformed and designed according to the machine tool and the machining process, the applicability is wide, and some tool detection functions can be conveniently expanded. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the overall structure schematic diagram of the present application;

[0020] Figure 2 is the structure schematic diagram of the longitudinal and transverse moving device of the present application;

[0021] Figure 3 is the side structure schematic diagram of the longitudinal and transverse moving device of the present application;

[0022] Figure 4 is the structure schematic diagram of the rotator of the present application;

[0023] Figure 5 is the side structure schematic diagram of the rotator of the present application;

[0024] Figure 6 is the structure schematic diagram of the tool body of the present application;

[0025] Figure 7 is the structure schematic diagram of the tool body of the present application;

[0026] Figure 8 is the cooperation structure schematic diagram of the tool pickup device and the tool body of the present application;

[0027] Figure 9 is the A-A section structure schematic diagram of the present application; Figure 8

[0028] Figure 10 is the internal structure schematic diagram of the tool pickup device of the present application.

[0029] In the figure: 1, base piece;2, frame body;3, tool storage chain;4, longitudinal and transverse moving device;41, tool pickup device;411, outer shell;412, moving pipe;413, spring piece;414, abutting plate piece;415, ball outlet groove;416, pressing groove;42, first moving driving piece;43, second moving driving piece;5, rotator;51, support;52, rotating driving piece;53, rotating frame;54, clamping plate;55, clamping block;6, moving device;7, tool body;71, clamping ring groove;72, outer clamping groove;73, insertion groove;74, inner clamping groove. DETAILED DESCRIPTION ​

[0030] The application will be described in further detail below with reference to the drawings, it is necessary to point out here that the following specific embodiments are only used to further illustrate the application, and cannot be understood as limiting the scope of protection of the application, and the skilled in the art can make some non-essential improvements and adjustments to the application according to the above application content.

[0031] Embodiment 1

[0032] As Figures 1 to 10 shown, a tool storage and tool changing system for machining center automatic machining includes a base piece 1, the surface of the base piece 1 is provided with a rack 2, the surface of the rack 2 is connected with a circulating reciprocating moving tool storage chain 3, the surface of the tool storage chain 3 is detachably connected with a plurality of groups of tool bodies 7, the surface of the rack 2 is also connected with a longitudinal and transverse moving device 4, the moving end of the longitudinal and transverse moving device 4 is fixedly connected with a tool picker 41, the surface of the base piece 1 is also fixedly connected with a moving device 6, the moving device 6 moves away from the tool storage chain 3, the moving end of the moving device 6 is fixedly connected with a revolver 5, the transverse moving direction of the longitudinal and transverse moving device 4 is the same as the transverse moving direction of the moving device 6, the longitudinal moving direction of the longitudinal and transverse moving device 4 is perpendicular to the plane direction of the base piece 1, the tool picker 41 can be detachably connected with the head of the tool body 7, and the revolver 5 can be detachably connected with the body of the tool body 7.

[0033] In the scheme, the movable tool picker 41 and the revolver 5 are arranged to assist the tool changing of the machining center, the tool body 7 is carried in the corresponding position in advance, and the tool changing time is reduced; wherein the tool picker 41 is used to select the tool body 7 on the surface of the tool storage chain 3 to use, and transport it to the position matched with the revolver 5, the revolver 5 can be arranged as a multi-arm structure (two arms are selected in the embodiment), each arm can be connected with a group of tool bodies 7, after moving to the corresponding position, the revolver 5 is controlled to rotate, so that the corresponding tool body 7 connected with the revolver 5 is rotated to the position matched with the main shaft, the whole system selects the corresponding tool body 7 through the tool picker 41, cooperates with the revolver 5, and through the moving device 6, the feed shaft displacement value can be reduced, the tool changing time can be reduced, and the following tool changing operation can also be realized.

[0034] Further, the system further includes a control device, the control end of the control device is connected with the control end of the tool storage chain 3, the longitudinal and transverse moving device 4, the revolver 5 and the moving device 6. The control device can be a control center used in the machine tool, or an additional control device such as a single-chip microcomputer.

[0035] Further, the longitudinal and horizontal moving device 4 comprises a first moving driving member 42, a driving end of the first moving driving member 42 is connected with a second moving driving member 43, a driving end of the second moving driving member 43 is connected with the tool pickup device 41, the first moving driving member 42 drives the second moving driving member 43 and the tool pickup device 41 to move up and down, and the second moving driving member 43 drives the tool pickup device 41 to move horizontally.

[0036] Specifically, the first moving driving member 42 and the second moving driving member 43 are both cylinder assemblies.

[0037] Further, the tool pickup device 41 comprises a tool pickup shell, a bottom of the tool pickup shell is provided with a pressing groove 416, a tool head of the tool body 7 can be inserted into the pressing groove 416, an outer shell 411 is arranged in the pressing groove 416, an outer surface of the outer shell 411 is provided with a ball outlet groove 415, an inner portion of the outer shell 411 is provided with a movable pipe 412 which can move up and down, an upper end of the movable pipe 412 is connected with a spring member 413, an upper end of the spring member 413 is provided with a resisting plate member 414 which is fixed with the tool pickup shell, a ball is arranged between the movable pipe 412 and the outer shell 411, and the ball can enter and exit the outer shell 411 through the ball outlet groove 415.

[0038] Specifically, the tool body 7 comprises a head part arranged at an upper end of a body part, a top end of the head part is provided with an insertion groove 73, an inner clamping groove 74 is arranged in a groove wall of the insertion groove 73, the outer shell 411 can be inserted into the insertion groove 73, and the ball can be clamped into the inner clamping groove 74.

[0039] Further, the part of the tool storage chain 3 which is connected with the part of the rotator 5 which is connected with the tool body 7 are both provided with the same clamping structure; a surface of the body part is provided with a clamping ring groove 71, an outer clamping groove 72 is arranged in the clamping ring groove 71 in an outward expansion manner, and the clamping structure cooperates with the outer clamping groove 72.

[0040] Specifically, the clamping structure comprises symmetrically arranged clamping plates 54, clamping blocks 55 are arranged between the symmetrically arranged clamping plates 54, the clamping blocks 55 are horizontally inserted into the clamping ring groove 71, and the clamping blocks 55 limit the up and down movement of the tool body 7 at two sides of the tool body 7.

[0041] Specifically, the rotator 5 comprises a support 51, a rotating driving member 52 is connected in the support 51, a rotating frame 53 is fixedly connected with a driving end of the rotating driving member 52, the rotating frame 53 comprises two groups of clamping arms which extend outward, and corresponding clamping blocks 55 are arranged at the ends of the clamping arms; the rotating driving member 52 can be a speed reduction motor with a model number of DYA-NP015 and cooperates with corresponding assemblies to complete the rotating drive of the rotating frame 53.

[0042] Preferably, the clamping block 55 is an elastic member; or, the opposite side of the clamping plate 54 is provided with a protruding thin plate, and the clamping block 55 is arranged on the surface of the thin plate.

[0043] In actual use, the tool pickup device 41 is lowered, and the pressing groove 416 is matched with the head of the tool body 7. With the continuous lowering of the tool pickup device 41, the head surface of the tool body 7 can extrude the ball, the moving tube 412 is lifted, the spring member 413 is compressed, the ball is retracted into the ball outlet groove 415, and the ball protrudes from the ball outlet groove 415 under the influence of the spring member 413 after entering the inner clamping groove 74. The tool body 7 is matched with the inner clamping groove 74 to limit the entire tool body 7, so that the tool body 7 can be driven to complete corresponding horizontal movement and vertical movement.

[0044] The above-mentioned embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the patent of the present application. It should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims

1. A tool storage and exchange system for machining tools in a machining center automation, characterized by, The utility model provides a system for the automatic storage and retrieval of knives, comprising a base piece (1), the surface of the base piece (1) is provided with a frame (2), the surface of the frame (2) is connected with a circulating reciprocating moving knife storage chain (3), the surface of the knife storage chain (3) is detachably connected with a plurality of groups of knife bodies (7), the surface of the frame (2) is also connected with a longitudinal and lateral moving device (4), the moving end of the longitudinal and lateral moving device (4) is fixedly connected with a knife pickup device (41), the surface of the base piece (1) is also fixedly connected with a moving device (6), the moving device (6) moves away from the knife storage chain (3), the moving end of the moving device (6) is fixedly connected with a rotator (5), the lateral moving direction of the longitudinal and lateral moving device (4) is the same as the lateral moving direction of the moving device (6), the longitudinal moving direction of the longitudinal and lateral moving device (4) is perpendicular to the plane direction of the base piece (1), the knife pickup device (41) can be detachably connected with the head of the knife body (7), and the rotator (5) can be detachably connected with the body of the knife body (7). The longitudinal and lateral moving device (4) comprises a first moving drive element (42), the driving end of the first moving drive element (42) is connected with a second moving drive element (43), the driving end of the second moving drive element (43) is connected with the knife pickup device (41), the first moving drive element (42) drives the second moving drive element (43) and the knife pickup device (41) to move up and down, and the second moving drive element (43) drives the knife pickup device (41) to move laterally. The knife pickup device (41) comprises a knife pickup shell, the bottom of the knife pickup shell is provided with a pressing groove (416), the knife head of the knife body (7) can be inserted into the pressing groove (416), the pressing groove (416) is provided with an outer shell (411), the outer surface of the outer shell (411) is provided with a ball outlet groove (415), the inside of the outer shell (411) is provided with a movable pipe (412) that can move up and down, the upper end of the movable pipe (412) is connected with a spring element (413), the upper end of the spring element (413) is provided with a resisting plate element (414) fixed with the knife pickup shell, a ball is arranged between the movable pipe (412) and the outer shell (411), and the ball enters and exits the outer shell (411) through the ball outlet groove (415).

2. The tool storage and exchange system for machining tools of machining centers according to claim 1, characterized in that: The system also comprises a control device, and the control end of the control device is connected with the control ends of the knife storage chain (3), the longitudinal and lateral moving device (4), the rotator (5) and the moving device (6).

3. The tool storage and exchange system for machining tools of machining centers according to claim 2, characterized in that: The first moving drive element (42) and the second moving drive element (43) are both cylinder assemblies.

4. The tool storage and exchange system for machining tools of machining centers according to claim 3, characterized in that: The knife body (7) comprises a head provided on the upper end of the body, the top end of the head is provided with an insertion groove (73), the groove wall of the insertion groove (73) is provided with an inner clamping groove (74), the outer shell (411) can be inserted into the insertion groove (73), and the ball can be clamped into the inner clamping groove (74).

5. The tool storage and exchange system for machining tools of machining centers according to claim 4, characterized in that: The part of the side of the storage cutter chain (3) connecting the cutter body (7) is connected with the part of the swivel (5) connecting the cutter body (7), and the same clamping structure is arranged on the part; the surface of the body is provided with a clamping ring groove (71), and the clamping ring groove (71) is outwardly expanded and provided with an outer clamping groove (72), and the clamping structure is matched with the outer clamping groove (72).

6. The tool storage and exchange system for machining tools of machining centers according to claim 5, characterized in that: The clamping structure comprises symmetrically arranged clamping plates (54), and a clamping block (55) is arranged between the oppositely arranged clamping plates (54), the clamping block (55) is transversely inserted into the clamping ring groove (71), and the movement of the cutter body (7) in the up and down directions is limited by the two sides of the cutter body (7).

7. The tool storage and exchange system for machining tools of machining centers according to claim 6, characterized in that: The swivel (5) comprises a support (51), a rotating driving element (52) is connected in the support (51), a rotating frame (53) is fixedly connected to the driving end of the rotating driving element (52), and the rotating frame (53) comprises two groups of outwardly extending clamping arms, and corresponding clamping blocks (55) are arranged at the ends of the clamping arms.

8. The tool storage and exchange system for machining tools of machining centers according to claim 7, characterized in that: The clamping block (55) is a resilient element; or, the opposite side of the clamping plate (54) is provided with a protruding thin plate, and the clamping block (55) is arranged on the surface of the thin plate.

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