CN216542113U

CN216542113U - Tool changing mechanism of four-axis machining center

Info

Publication number: CN216542113U
Application number: CN202123318552.1U
Authority: CN
Inventors: 王庆宏; 汤晓丹; 王庆茂
Original assignee: Guangzhou Deli Cnc Equipment Co ltd
Current assignee: Guangzhou Deli Cnc Equipment Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-17
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a tool changing mechanism of a four-axis machining center, which comprises a device box, a fixed block and a tool changing mechanism, wherein the fixed block is fixedly connected to the middle part of one side of the inner wall of the device box, and a compression spring is sleeved on the periphery of the bottom end of a jacking mechanism; according to the tool changing mechanism, the jacking mechanism is pressed, so that the convex body structure at the bottom end of the jacking mechanism extrudes and inserts the compression spring into the inner wall of the limiting groove, the rotating plates at the periphery of the tool changing mechanism, which are close to two sides of the bottom, are pressed downwards through the fixing rings at the periphery of the jacking mechanism, which are close to the bottom, so that the rotating plates rotate and contract into the positioning grooves until the tool changing mechanism penetrates through the inner wall of the fixing block and extends to the bottom end of the inner wall of the through hole, the jacking mechanism recovers elastic force through the compression spring to reset, so that the top ends of the two rotating plates are attached to and supported by the bottom surface of the fixing block, and the periphery of the top end of the tool changing mechanism is fixedly connected to the upper surface of the fixing block through the fasteners and the threaded grooves, so that convenience in installation and replacement of the tool changing mechanism is realized, and the tool changing mechanism is simple to disassemble.

Description

Tool changing mechanism of four-axis machining center

Technical Field

The utility model relates to the technical field of tool changing mechanisms, in particular to a tool changing mechanism of a four-axis machining center.

Background

The machining center is developed from the numerical control milling machine, the greatest difference with the numerical control milling machine is that the machining center has the capacity of automatically exchanging machining tools, the tools with different purposes are installed on the tool magazine, the machining tools on the main shaft can be changed through the automatic tool changer in one-time clamping, multiple machining functions are achieved, the four-shaft machining center is widely used in modern machining production and machining, and the automatic tool changer of the four-shaft machining center mostly adopts buckles to achieve the fact that the tools are connected with the rotating device.

The cutter changing mechanism of the four-axis machining center in the prior art is high in frequency use, so that the cutter head damage rate is high, the cutter changing mechanism needs to be periodically detached for replacement, the inner space of the machining center is limited, the cutter changing mechanism is cumbersome and difficult to detach and replace, and therefore the cutter changing mechanism of the four-axis machining center is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tool changing mechanism of a four-axis machining center, which aims to solve the problem that the tool changing mechanism is complex and difficult to disassemble and replace due to limited internal space of the machining center.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a four-axis machining center's tool changing mechanism, includes device case, fixed block, tool changing mechanism, device incasement wall one side middle part fixedly connected with fixed block, it has tool changing mechanism to peg graft in the fixed block inner wall, tool changing mechanism top end periphery has seted up the thread groove, the peripheral fixedly connected with fastener of thread groove, sliding connection has climbing mechanism in the tool changing mechanism inner wall, climbing mechanism has cup jointed solid fixed ring near bottom end periphery, tool changing mechanism all runs through near bottom peripheral both sides and has seted up the constant head tank, it is connected with the rotor plate to rotate in the constant head tank inner wall, compression spring has been cup jointed to climbing mechanism bottom periphery.

Preferably, the edge of one side of the front surface of the device box is rotatably connected with a sealing door, a through hole is formed in the center of the bottom of the inner cavity of the device box in a penetrating mode, and a limiting groove is formed in the center of the bottom of the inner wall of the tool changing mechanism.

Preferably, the middle parts of the fixing block and the tool changing mechanism are both of a hollow cylinder structure, and the bottom end of the tool changing mechanism penetrates through the through hole and extends to the bottom of the device box.

Preferably, the periphery of the top end of the tool changing mechanism is made of elastic materials, and the peripheral size of the thread groove is matched with the size of the inner wall of the fastener.

Preferably, the climbing mechanism bottom is convex structure, and the climbing mechanism bottom with the spacing inslot wall is clearance fit, compression spring both ends respectively fixed connection in climbing mechanism bottom periphery with spacing inslot wall top edge.

Preferably, the rotatable angle of the rotating plate is thirty degrees counterclockwise, the fixing ring is of an annular structure, and the periphery of the bottom surface of the fixing ring is attached to the upper surface of one end of the bottom of the rotating plate.

Compared with the prior art, the utility model has the beneficial effects that:

according to the tool changing mechanism, the jacking mechanism is pressed, so that the convex body structure at the bottom end of the jacking mechanism extrudes and inserts the compression spring into the inner wall of the limiting groove, the rotating plates at the periphery of the tool changing mechanism, which are close to two sides of the bottom, are pressed downwards through the fixing rings at the periphery of the jacking mechanism, which are close to the bottom, so that the rotating plates rotate and contract into the positioning grooves, until the tool changing mechanism penetrates through the inner wall of the fixing block and extends to the bottom end of the inner wall of the through hole, the jacking mechanism recovers elastic force through the compression spring to reset, so that the top ends of the two rotating plates are attached to and supported by the bottom surface of the fixing block, the periphery of the top end of the tool changing mechanism is fixedly connected to the upper surface of the fixing block through the fasteners and the threaded grooves, convenience and simplicity in mounting and replacement of the tool changing mechanism are realized, and the problems that the tool changing mechanism is relatively complicated and difficult in replacement due to limited inner space of a machining center are solved.

Drawings

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

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

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a schematic view of a part of the enlarged structure at B in fig. 2.

In the figure: 1. a device case; 2. a sealing door; 3. a fixed block; 4. a through hole; 5. a tool changing mechanism; 6. a fastener; 7. a thread groove; 8. a jacking mechanism; 9. a fixing ring; 10. positioning a groove; 11. a rotating plate; 12. a limiting groove; 13. compressing the spring.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a tool changing mechanism of a four-axis machining center comprises a device box 1, a fixed block 3 and a tool changing mechanism 5, wherein the fixed block 3 is fixedly connected to the middle of one side of the inner wall of the device box 1 through a bolt, the tool changing mechanism 5 is inserted into the inner wall of the fixed block 3, the top end of the tool changing mechanism 5 is fixedly connected to the center of the top of the fixed block 3 through a thread groove 7 and a fastener 6, and the periphery of the top end of the tool changing mechanism 5 is provided with a thread groove 7;

7 peripheries of thread groove are through screw thread fixedly connected with fastener 6, sliding connection has climbing mechanism 8 in the tool changing mechanism 5 inner wall, climbing mechanism 8 has cup jointed solid fixed ring 9 near the bottom end periphery, tool changing mechanism 5 is close to the peripheral both sides of bottom and has all run through and has seted up constant head tank 10, rotate through the pivot in the constant head tank 10 inner wall and be connected with rotor plate 11, compression spring 13 has been cup jointed to 8 bottoms of climbing mechanism periphery, through hole 4 extends to 1 top center departments of device case.

Wherein, device case 1 openly one side edge department rotates and is connected with sealing door 2, and device case 1 inner chamber bottom center department runs through and has seted up through hole 4, and tool changing mechanism 5 inner wall bottom center department has seted up spacing groove 12, and fixed block 3 is the hollow cylinder structure with 5 middle parts of tool changing mechanism, and tool changing mechanism 5 bottom runs through hole 4 and extends to device case 1 bottom, and 5 top peripheries of tool changing mechanism are the elasticity material, 7 peripheral sizes of thread groove and 6 inner wall size looks adaptations of fastener.

Wherein, 8 bottoms of climbing mechanism are convex structure, and 8 bottoms of climbing mechanism are clearance fit with 12 inner walls of spacing groove, and 13 both ends of compression spring fixed connection respectively in 8 bottoms of climbing mechanism periphery and 12 inner walls top edges of spacing groove, and rotor plate 11 turned angle is anticlockwise thirty degrees, and solid fixed ring 9 is the loop configuration, and just gu fixed ring 9 bottom surface periphery and 11 bottoms of rotor plate serve the upper surface laminating, the laminating of 11 tops one end of rotor plate and 3 bottoms edges of fixed block.

Wherein, through pressing climbing mechanism 8, make 8 bottom convex body structures of climbing mechanism extrude grafting in 12 inner walls of spacing groove to

compression spring

13, 5 peripheral rotor plate 11 that are close to the bottom both sides of bottom of tool changing mechanism pushes down through 8 peripheral solid fixed ring 9 that are close to the bottom of climbing mechanism, make rotor plate 11 rotate shrink to constant head tank 10 in, extend to 4 inner wall bottoms of through hole through 3 inner walls of fixed block until tool changing mechanism 5 runs through, climbing mechanism 8 restores elasticity through compression spring 13 and resets, thereby make two 11 tops of rotor plate and 3 bottom surface laminating supports of fixed block, 5 top end periphery of tool changing mechanism passes through

fastener

6 and 7 fixed connection in the 3 upper surface of fixed block of thread groove, realized the convenience of tool changing mechanism 5 installation changes and dismantle simply.

The working principle is as follows: when in use, after the sealing door 2 at the periphery of the device box 1 is rotated and opened, the jacking mechanism 8 is pressed, so that the convex body structure at the bottom end of the jacking mechanism 8 extrudes and inserts the compression spring 13 into the inner wall of the limiting groove 12, the rotating plates 11 at the periphery of the tool changing mechanism 5, which are close to the two sides of the bottom, are pressed down through the fixing rings 9 at the periphery of the jacking mechanism 8, which are close to the bottom, so that the rotating plates 11 rotate and contract into the positioning grooves 10, until the tool changing mechanism 5 penetrates through the inner wall of the fixing block 3 and extends to the bottom end of the inner wall of the through hole 4, the jacking mechanism 8 recovers elastic force through the compression spring 13, so that the top ends of the two rotating plates 11 are attached and supported with the bottom surface of the fixing block 3, the periphery at the top end of the tool changing mechanism 5 is fixedly connected with the upper surface of the fixing block 3 through the fastening piece 6 and the thread groove 7, the convenience in installation of the tool changing mechanism 5 is realized, and finally, when the tool changing mechanism 5 is disassembled, the fastener 6 and the thread groove 7 on the periphery of the top of the tool changing mechanism 5 are detached firstly, and the jacking mechanism 8 is continuously pressed, so that the two rotating plates 11 are contracted into the two positioning grooves 10, and the tool changing mechanism can be replaced by drawing out the tool changing mechanism from the inner wall of the fixing block 3.

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.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a four-axis machining center's tool changing mechanism, includes device case (1), fixed block (3), tool changing mechanism (5), its characterized in that: device case (1) inner wall one side middle part fixedly connected with fixed block (3), it has tool changing mechanism (5) to peg graft in fixed block (3) inner wall, thread groove (7) have been seted up to tool changing mechanism (5) top end periphery, thread groove (7) peripheral fixedly connected with fastener (6), sliding connection has climbing mechanism (8) in tool changing mechanism (5) inner wall, climbing mechanism (8) are close to bottom end periphery and have been cup jointed solid fixed ring (9), tool changing mechanism (5) are close to bottom peripheral both sides and have all run through and have been seted up constant head tank (10), it is connected with rotor plate (11) to rotate in constant head tank (10) inner wall, compression spring (13) have been cup jointed to climbing mechanism (8) bottom periphery.

2. The tool changing mechanism of the four-axis machining center according to claim 1, characterized in that: the edge of one side of the front face of the device box (1) is rotatably connected with a sealing door (2), a through hole (4) is formed in the center of the bottom of an inner cavity of the device box (1) in a penetrating mode, and a limiting groove (12) is formed in the center of the bottom of the inner wall of the tool changing mechanism (5).

3. The tool changing mechanism of the four-axis machining center according to claim 2, characterized in that: fixed block (3) with tool changing mechanism (5) middle part is the hollow circular cylinder structure, tool changing mechanism (5) bottom runs through hole (4) and extends to device case (1) bottom.

4. The tool changing mechanism of the four-axis machining center according to claim 3, wherein: the periphery of the top end of the tool changing mechanism (5) is made of elastic materials, and the peripheral size of the thread groove (7) is matched with the size of the inner wall of the fastening piece (6).

5. The tool changing mechanism of the four-axis machining center according to claim 4, wherein: climbing mechanism (8) bottom is convex structure, and climbing mechanism (8) bottom with spacing groove (12) inner wall is clearance fit, compression spring (13) both ends respectively fixed connection in climbing mechanism (8) bottom periphery with spacing groove (12) inner wall top edge.

6. The tool changing mechanism of the four-axis machining center according to claim 5, wherein: the rotatable angle of the rotating plate (11) is thirty degrees counterclockwise, the fixing ring (9) is of an annular structure, and the periphery of the bottom surface of the fixing ring (9) is attached to the upper surface of one end of the bottom of the rotating plate (11).