Coordination structure of spindle and tool and turning-milling compound machine tool

Abstract

The utility model relates to the technical field of machine tool processing, and discloses a matching structure of a spindle and a tool and a turning-milling compound machine tool. The matching structure of the spindle and the tool includes: a spindle, including a housing and a power output member arranged in the housing; a tool, whose shank is suitable for being connected to the power output member; a first positioning block, arranged in the housing, and the first positioning block has a first matching portion; a second positioning block, arranged in the shank, and the second positioning block has a second matching portion arranged corresponding to the first matching portion; when the shank is connected to the power output member, the second matching portion is suitable for being engaged with the first matching portion to limit the relative rotation of the tool and the spindle. The utility model installs the first matching portion and the second matching portion for realizing the limiting matching function in the form of a block structure of the first positioning block and the second positioning block, which is conducive to improving the strength of the positioning and locking matching structure, improving the anti-torsion ability of the positioning and locking matching structure, and avoiding deformation of the positioning and locking matching structure due to external force.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool processing, in particular to a matching structure of a spindle and a tool and a turning and milling compound machine tool. Background Art

[0002] In current machine tool processing, milling machines are usually used to mill parts, and lathes are used to turn parts. The two types of machine tools are independent of each other. With the increasing development of the field of machine tool processing, the requirements for machine tool processing diversity are getting higher and higher, and milling-turning machine tools with dual functions of milling and turning have come into being. During milling, the tool needs to rotate at high speed to process the workpiece, while during turning, the tool is fixed and the workpiece rotates for processing. Therefore, when switching between milling and turning, setting a tool that can rotate freely and position and lock relative to the machine tool spindle has become the design focus of the milling-turning machine tool.

[0003] The related art provides a positioning mechanism for a tool holder of a turning and milling machine tool, such as Fig.10 As shown, a positioning plate d2 is provided on the machine tool spindle d1, and a positioning piece d4 is provided on the tool part d3. The projection d5 on the positioning plate d2 cooperates with the hole d6 on the positioning piece d4 to realize the positioning and locking of the machine tool spindle d1 and the tool part d3. With the above scheme, when the machine tool spindle d1 and the tool part d3 are positioned and locked for turning, the structural strength of the positioning piece d4 itself is difficult to ensure, and the reaction force of the workpiece on the matching position of the positioning piece d4 and the positioning plate d2 during turning of the workpiece easily causes the hole d6 and the positioning piece d4 to deform, making the positioning and locking of the machine tool spindle d1 and the tool part d3 ineffective. Utility Model Content

[0004] In view of this, the utility model provides a matching structure of a spindle and a tool to solve the problem that the matching position of the spindle and the tool is prone to positioning and locking failure. At the same time, the utility model provides a turning and milling compound machine tool.

[0005] In the first aspect, the utility model provides a matching structure of a spindle and a tool, comprising: a spindle, comprising a shell and a power output member arranged in the shell; a tool, whose shank is suitable for being connected to the power output member; a first positioning block, arranged in the shell, the first positioning block having a first matching portion; a second positioning block, arranged in the shank, the second positioning block having a second matching portion arranged corresponding to the first matching portion; when the shank is connected to the power output member, the second matching portion is suitable for being snap-fitted with the first matching portion to limit the relative rotation of the tool and the spindle.

[0006] Beneficial effect: The utility model provides a matching structure of a spindle and a tool, wherein a power output member can rotate relative to a housing to provide rotational power for a tool handle of the tool, a first positioning block is arranged on the housing and a second positioning block is arranged on the tool handle, and a first matching portion on the first positioning block and a second matching portion on the second positioning block are used for clamping matching, thereby limiting the relative rotation of the tool and the spindle, so as to facilitate the machine tool to perform turning processing for positioning and locking the tool; the first matching portion and the second matching portion that realize the limiting matching function are installed in the form of a block structure of the first positioning block and the second positioning block, which is beneficial to improving the structural strength of the positioning and locking matching structure, and then improving the torsion resistance of the positioning and locking matching structure, avoiding deformation of the positioning and locking matching structure due to external force, thereby solving the problem that the matching position of the spindle and the tool is prone to positioning and locking failure.

[0007] In an optional embodiment, a first end surface is formed on a side of the housing close to the tool, and the first positioning block is directly or indirectly disposed on the first end surface.

[0008] Beneficial effect: The first positioning block is arranged on the first end surface of the housing close to the tool, so that the first matching portion and the second matching portion are snap-fitted at the first end surface of the housing, thereby improving the compactness of the matching structure of the spindle and the tool.

[0009] In an optional embodiment, the first matching portion is configured as a recessed structure, and the second matching portion is configured as a protruding structure; when the tool handle is connected to the power output member, the protruding structure is suitable for being embedded in the recessed structure.

[0010] Beneficial effect: The first matching part is set as a recessed structure and the second matching part is set as a protruding structure, and the relative rotation of the tool and the spindle is restricted by the clamping fit of the protruding structure and the recessed structure, so as to facilitate the turning processing of the tool positioning and locking on the machine tool.

[0011] In an optional embodiment, the protruding structure is made of an elastic material; when the protruding structure is embedded in the recessed structure, the protruding structure is suitable for interference fit with the recessed structure.

[0012] Beneficial effects: The protruding structure is set to be an elastic material, and the interference fit when the protruding structure is embedded in the recessed structure is used to realize the positioning and locking of the tool, thereby ensuring the tightness of the fit between the protruding structure and the recessed structure, improving the stability of the positioning and locking of the tool, and avoiding the small-range rotation of the tool caused by the gap fit between the protruding structure and the recessed structure made of rigid material; at the same time, since the protruding structure has a certain deformation range, the design matching accuracy of the protruding structure and the recessed structure can be reduced, reducing the difficulty of production and processing.

[0013] In an optional embodiment, the protruding structure includes two supporting members arranged opposite to each other, and the bottoms of the two supporting members are respectively provided with release arcs; when the protruding structure is embedded in the recessed structure, the two supporting members are respectively suitable for bending along the two release arcs and moving toward each other, so as to extend into the recessed structure and respectively abut against the inner walls of the recessed structure.

[0014] Beneficial effect: When the protruding structure and the recessed structure are matched, by setting two support members and cooperating with the release arcs respectively set at the bottom of the two support members, the support members are bent along the release arcs so that they can smoothly extend into the recessed structure for interference fit; and the elastic stiffness of the two support members can be adjusted by changing the size of the two release arcs, thereby adjusting the tightness of the match between the protruding structure and the recessed structure.

[0015] In an optional embodiment, a boss is provided on the circumference of the tool handle, at least a portion of the structure of the boss is recessed inward to form a mounting position, and the second positioning block is detachably connected to the mounting position.

[0016] Beneficial effect: The second positioning block is detachably connected to the tool handle, so that the existing tool can be reasonably modified to form a tool category for turning processing; at the same time, after the second positioning block is disassembled, the spindle can still be used to drive the tool to rotate freely to achieve milling processing, thereby realizing the dual-purpose turning and milling of the tool.

[0017] In an optional embodiment, the power output member at least partially extends out of the first end surface, and the matching structure of the spindle and the tool further includes: an annular mounting disk detachably connected to the first end surface, and the mounting disk is provided with the first positioning block.

[0018] Beneficial effect: the first positioning block is arranged on the annular mounting disk, and the annular mounting disk is detachably connected to the first end face of the shell. The overall installation of the annular mounting disk on the first end face improves the installation stability of the first positioning block, thereby further improving the stability of the tool positioning and locking.

[0019] In the second aspect, the utility model also provides a turning-milling compound machine tool, comprising: a base; a worktable, which is arranged on the base and is suitable for placing a workpiece; the worktable is slidably connected to the base along a first horizontal direction, or the worktable is rotatably connected to the base; a bed, which is fixedly arranged on the base, and the bed is slidably connected to a slide along a second horizontal direction; a spindle box, which is slidably connected to the slide along a vertical direction, and the spindle box is provided with the matching structure of the spindle and the tool described in any of the above schemes.

[0020] Beneficial effects: The utility model provides a turning-milling compound machine tool. When the worktable is set to be slidably connected to the base along a first horizontal direction, the spindle box moves along a second horizontal direction, and the relative rotation of the tool and the spindle is not restricted by the clamping fit of the first matching portion and the second matching portion. At this time, after the workpiece is placed on the worktable, the machine tool can perform milling processing with free rotation of the tool; when the worktable is set to be rotatably connected to the base, the spindle box moves along a vertical direction, and the relative rotation of the tool and the spindle is restricted by the clamping fit of the first matching portion and the second matching portion. At this time, the machine tool can perform turning processing with the tool positioned and locked; thereby realizing the turning-milling compound production processing of the machine tool.

[0021] In an optional embodiment, the turning-milling compound machine tool also includes a tool magazine arranged on the base, and a plurality of tool magazines are arranged in the tool magazine, and at least one of the tool magazines is suitable for storing a tool; the tool magazine includes: a mounting portion, suitable for mounting a tool handle of the tool; a third matching portion, arranged corresponding to the second matching portion; when the tool handle is installed on the mounting portion, the second matching portion is suitable for being snap-fitted with the third matching portion to limit the relative rotation of the tool and the mounting portion.

[0022] Beneficial effect: The driving device of the tool magazine includes a driving disc with an inner gear ring, and a driving member. The output end of the driving member is arranged as a gear structure and is drivingly connected to the inner gear ring of the driving disc. A plurality of tool magazines are arranged on the circumference of the driving disc. The driving member is used to drive the disc to rotate, thereby driving the tool magazine to move to the tool changing position.

[0023] In an optional embodiment, the turning-milling compound machine tool also includes a tool changing device arranged on the base, the tool changing device includes a tool changing arm arranged below the tool magazine, and a driving body suitable for driving the tool changing arm to rotate, the tool changing arm has two sets of tool grabbing structures arranged relatively to each other; when performing a tool changing operation, one set of the tool grabbing structures is suitable for grabbing a first tool set in the spindle, and the other set of the tool grabbing structures is suitable for grabbing a second tool installed in the tool magazine; the tool changing arm is driven to rotate so that the positions of the first tool and the second tool are interchanged and installed separately to complete the tool changing operation.

[0024] Beneficial effect: The two sets of tool grabbing structures arranged relatively on the tool changing device can be used to quickly change the tools in the spindle, and the replaced tools can be quickly stored in the warehouse. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 A schematic diagram of the structure of a matching structure of a spindle and a tool provided by the utility model;

[0027] Figure 2 An exploded diagram of a matching structure of a spindle and a tool provided by the utility model;

[0028] Figure 3 A schematic diagram of the structure of the second positioning block provided by the utility model;

[0029] Figure 4 A schematic diagram of the structure of the annular mounting plate provided by the utility model and provided with a first positioning block;

[0030] Figure 5 A schematic structural diagram of a turning-milling compound machine tool provided by the utility model;

[0031] Figure 6 Another structural schematic diagram of a turning-milling compound machine tool provided by the utility model;

[0032] Figure 7 A schematic diagram of the structure of the knife magazine provided by the utility model;

[0033] Figure 8 An exploded diagram of the structure of the knife bin provided by the utility model;

[0034] Fig. 9 for Figure 5 A local enlarged schematic diagram of the middle A;

[0035] Fig.10 This is a structural schematic diagram of a related technical solution related to the background technology of the utility model.

[0036] Description of reference numerals:

[0037] Reference numerals of this application:

[0038] 1. spindle; 101. housing; 1011. first end surface; 102. power output member;

[0039] 2. tool; 201. tool handle; 202. boss; 2021. mounting position; 2022. second end surface; 203. blade;

[0040] 3. First positioning block; 301. First matching portion;

[0041] 4. second positioning block; 401. second matching portion; 4011. support member; 4012. release arc;

[0042] 5. annular mounting plate; 501. round hole; 502. third end surface;

[0043] 10. Workbench;

[0044] 100, base; 1001, first guide rail; 1002, first slider; 1003, first driving device;

[0045] 200, bed; 2001, ram; 2002, support column; 2003, crossbeam; 2004, second guide rail; 2005, second slide block; 2006, second driving device;

[0046] 300, spindle box; 3001, box body; 3002, connecting plate; 3003, third guide rail; 3004, third slide block;

[0047] 400, tool magazine; 4001, driving disc; 4002, driving part;

[0048] 500, knife magazine; 5001, mounting portion; 5002, third matching portion; 5003, first connecting portion; 5004, second connecting portion; 5005, mounting block; 5006, positioning slot; 5007, positioning protrusion; 5008, hinge;

[0049] 600, tool changing device; 6001, tool changing arm; 60011, tool claw; 60012, top tool rod; 6002, driving body;

[0050] Background technology Related to related technology Figure numerals:

[0051] d1, machine tool spindle; d2, positioning plate; d3, tool part; d4, positioning piece; d5, bump; d6, hole position. DETAILED DESCRIPTION

[0052] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0053] Combine the following Figure 1-Figure 9 , describing an embodiment of the utility model.

[0054] According to an embodiment of the present utility model, on the one hand, a matching structure of a spindle and a tool is provided, such as Figure 1 , Figure 2 As shown, it includes: a spindle 1, a tool 2, a first positioning block 3 and a second positioning block 4.

[0055] The spindle 1 includes a shell 101 and a power output member 102 arranged in the shell 101; the handle 201 of the tool 2 is suitable for being connected to the power output member 102; the first positioning block 3 is arranged on the shell 101, and the first positioning block 3 has a first matching portion 301; the second positioning block 4 is arranged on the handle 201, and the second positioning block 4 has a second matching portion 401 arranged corresponding to the first matching portion 301; when the handle 201 is connected to the power output member 102, the second matching portion 401 is suitable for being snap-fitted with the first matching portion 301 to limit the relative rotation of the tool 2 and the spindle 1.

[0056] In the above embodiment, the power output member 102 can rotate relative to the housing 101 to provide rotational power for the tool handle 201 of the tool 2, the first positioning block 3 is arranged on the housing 101 and the second positioning block 4 is arranged on the tool handle 201, and the first matching portion 301 on the first positioning block 3 and the second matching portion 401 on the second positioning block 4 are used for clamping cooperation, so as to limit the relative rotation of the tool 2 and the spindle 1, so as to facilitate the machine tool to perform turning processing for positioning and locking the tool 2; the first matching portion 301 and the second matching portion 401 that realize the limiting cooperation function are installed in the block structure form of the first positioning block 3 and the second positioning block 4, which is conducive to improving the structural strength of the positioning and locking cooperation structure, and then improving the torsion resistance of the positioning and locking cooperation structure, avoiding the deformation of the positioning and locking cooperation structure due to external force, thereby solving the problem that the cooperation position of the spindle and the tool is prone to positioning and locking failure.

[0057] Specifically, Figure 1 , Figure 2 As shown, the housing 101 of the spindle 1 is arranged in the spindle box during installation, and the rotational power is output by the internal power output part 102, which can drive the tool handle 201 of the tool 2 to rotate; when the relative rotation of the tool 2 and the spindle 1 is not restricted, the machine tool can perform milling processing with free rotation of the tool 2; when the relative rotation of the tool 2 and the spindle 1 is restricted due to the clamping fit of the first matching part 301 and the second matching part 401, the machine tool can perform turning processing with the tool 2 positioned and locked.

[0058] Furthermore, a clamping device is provided inside the spindle 1 to clamp or release the power output member 102. When milling is required, the clamping device releases the power output member 102 so that the power output member 102 drives the tool handle 201 of the tool 2 to rotate freely; when turning is required, the clamping device clamps the power output member 102 so as to limit the rotation of the tool handle 201 of the tool 2 driven by the power output member 102.

[0059] Furthermore, if Figure 1 , Figure 2 As shown, in this embodiment, the specific methods of performing snap-fitting on the first matching portion 301 on the first positioning block 3 and the second matching portion 401 on the second positioning block 4 include at least the following two: First, snap-fitting is performed in the axial direction of the spindle 1. At this time, the first matching portion 301 and the second matching portion 401 are arranged along the axial direction of the spindle 1, that is, the snap-fitting position of the first matching portion 301 and the second matching portion 401 is set in the axial direction of the spindle 1, and the forward rotation and reverse rotation of the tool 2 are restricted; Second, snap-fitting is performed in the forward rotation direction of the spindle 1. At this time, the first matching portion 301 and the second matching portion 401 are arranged along the forward rotation direction of the spindle 1, that is, the snap-fitting position of the first matching portion 301 and the second matching portion 401 is set in the forward rotation direction of the spindle 1, and the forward rotation of the tool 2 is restricted. This setting method is suitable for devices in which the power output member 102 of the spindle 1 can be self-locked during reverse rotation. As a preferred implementation, this embodiment adopts the first solution, that is, the first matching portion 301 and the second matching portion 401 are snap-fitted in the axial direction of the main shaft 1 .

[0060] Furthermore, if Figure 1 , Figure 2 As shown, this embodiment does not limit the specific structural forms of the first matching portion 301 and the second matching portion 401. As an implementation mode, the first matching portion 301 is configured as a recessed structure, and the second matching portion 401 is configured as a protruding structure; as another implementation mode, the first matching portion 301 is configured as a protruding structure and a recessed structure, and the second matching portion 401 is configured as a recessed structure.

[0061] Furthermore, if Figure 1 , Figure 2 As shown, the first positioning block 3 is integrally formed with the housing 101 or is detachably connected to the housing 101 ; the second positioning block 4 is integrally formed with the handle 201 or is detachably connected to the handle 201 .

[0062] Furthermore, if Figure 1 , Figure 2As shown, the upper part of the handle 201 is set to be a cone shape, and a tapered hole corresponding to the cone shape is set at the power output member 102. The cone shape of the handle 201 extends into the tapered hole at the power output member 102 and the handle 201 is fixedly connected to the power output member 102 through an internal clamping structure. A first end face 1011 is formed on the side of the housing 101 close to the tool 2, and a second end face 2022 is formed on the side of the circumferential boss 202 of the handle 201 close to the housing 101. When the handle 201 is fixedly connected to the power output member 102, the first end face 1011 and the second end face 2022 are in contact with each other.

[0063] Furthermore, if Figure 2 As shown, the overall structure of the tool 2 is based on the handle 201 as the main structure, the boss 202 is arranged on the circumference of the handle 201, and the lower part of the handle 201 is provided with a groove structure for installing the blade 203. The blade 203 is embedded in the groove structure and fixed by screws or bolts that penetrate the blade and the groove structure.

[0064] In some embodiments, Figure 1 , Figure 2 As shown, a first end surface 1011 is formed on one side of the housing 101 close to the tool 2 , and the first positioning block 3 is directly or indirectly disposed on the first end surface 1011 .

[0065] In the above embodiment, the first positioning block 3 is arranged on the first end surface 1011 of the shell 101 close to the tool 2, so that the first matching portion 301 and the second matching portion 401 are snap-fitted at the first end surface 1011 of the shell 101, thereby improving the compactness of the matching structure of the spindle 1 and the tool 2.

[0066] Specifically, Figure 1 , Figure 2 As shown, since the circumferential dimension of the tool 2 is much smaller than the circumferential dimension of the spindle 1, after the tool 2 is fixedly installed on the spindle 1, a part of the first end face 1011 on the side of the shell 101 close to the tool 2 can be exposed. The first positioning block 3 is set using this part of the first end face 1011, and the second positioning block 4 is set at the corresponding position of the tool handle 201 on the tool 2, which can effectively improve the compactness of the matching structure of the spindle 1 and the tool 2.

[0067] Furthermore, if Figure 1 , Figure 2As shown, in this embodiment, there is no restriction on the installation form of the first positioning block 3 on the first end surface 1011. As an implementation mode, the first positioning block 3 is directly fixedly installed on the first end surface 1011, for example, the first positioning block 3 is integrally formed on the first end surface 1011, or the first positioning block 3 is connected to the first end surface 1011 by screws; as another implementation mode, the first positioning block 3 is indirectly fixedly installed on the first end surface 1011 by a mounting structure, that is, the first positioning block 3 is firstly set on the mounting structure, and then the mounting structure is connected to the first end surface 1011 by screws.

[0068] In some embodiments, Figure 1 , Figure 2 As shown, the first matching portion 301 is configured as a recessed structure, and the second matching portion 401 is configured as a protruding structure; when the handle 201 is connected to the power output member 102, the protruding structure is suitable for being embedded in the recessed structure.

[0069] In the above embodiment, the first matching portion 301 is set as a recessed structure and the second matching portion 401 is set as a protruding structure. The clamping fit between the protruding structure and the recessed structure is utilized to limit the relative rotation of the tool 2 and the spindle 1, so as to facilitate the machine tool to perform turning processing for positioning and locking the tool 2.

[0070] Specifically, Figure 1 , Figure 2 As shown, in this embodiment, the first matching portion 301 and the second matching portion 401 are engaged in the axial direction of the spindle 1. Specifically, the opening direction of the first matching portion 301, which is a recessed structure, is arranged along the radial direction of the spindle 1, and can certainly be arranged along the axial direction of the spindle 1; the convex portion of the second matching portion 401, which is a protruding structure, is arranged along the axial direction of the spindle 1. When the handle 201 of the tool 2 is close to the power output member 102 of the spindle 1 for connection, the protruding structure moves close to the recessed structure and is embedded therein. After that, the circumferential rotation of the protruding structure along the spindle 1 will be blocked by the inner wall of the recessed structure, thereby making it impossible for the tool 2 to rotate relative to the spindle 1, thereby ensuring that the tool 2 is positioned and locked for turning processing.

[0071] Furthermore, if Figure 1 , Figure 2 As shown, the outer side of the first matching part 301 set as a recessed structure is rounded or chamfered, and the outer side of the second matching part 401 set as a protruding structure is rounded or chamfered, and the width of the rounded or chamfered corners is set to 2mm-3mm, thereby improving the smoothness of the protruding structure extending into the recessed structure for snap-fitting.

[0072] In some embodiments, Figure 1 , Figure 2As shown, the protruding structure is made of elastic material; when the protruding structure is embedded in the recessed structure, the protruding structure is suitable for interference fit with the recessed structure.

[0073] In the above embodiment, the protruding structure is set to an elastic material, and the interference fit when the protruding structure is embedded in the recessed structure is used to realize the positioning and locking of the tool 2, thereby ensuring the tightness of the fit between the protruding structure and the recessed structure, improving the stability of the positioning and locking of the tool 2, and avoiding the small-range rotation of the tool 2 caused by the gap fit between the protruding structure and the recessed structure made of rigid material; at the same time, since the protruding structure has a certain deformation range, the design matching accuracy of the protruding structure and the recessed structure can be reduced, thereby reducing the difficulty of production and processing.

[0074] Specifically, Figure 1 , Figure 2 As shown, when the handle 201 of the tool 2 is connected close to the power output member 102 of the spindle 1, the protruding structure moves close to the recessed structure, and when the protruding structure contacts the recessed structure, it is forced to deform, so that the protruding structure is smoothly embedded in the recessed structure. After that, the protruding structure and the inner wall of the recessed structure form an interference fit and are tightly abutted. On the premise that the structural strength of the protruding structure itself has sufficient anti-torsion ability, the interference fit between the protruding structure and the recessed structure improves the overall matching strength, which can improve the stability of positioning and locking the tool 2. When the protruding structure is set with a rigid material, even if a high requirement is placed on the design accuracy, a clearance fit will inevitably be formed between the two on the premise of ensuring that the protruding structure is smoothly embedded in the recessed structure, causing the tool 2 to rotate under external force within a small range of the matching clearance. Setting the protruding structure as an elastic material so that the protruding structure and the recessed structure have an interference fit can avoid the small range rotation of the tool 2.

[0075] Furthermore, if Figure 1 , Figure 2 As shown, when the shank 201 of the tool 2 is connected close to the power output part 102 of the spindle 1, the protruding structure moves close to the recessed structure. Since the protruding structure can be forced to deform when contacting the recessed structure, the precision requirement can be lowered in the design of the protruding structure. The width of the protruding structure is designed to be slightly larger than the opening width of the recessed structure, which is beneficial to reducing the design matching accuracy of the protruding structure and the recessed structure, thereby reducing the difficulty of production and processing.

[0076] In some embodiments, Figure 1-Figure 3 As shown, the protruding structure includes two supporting members 4011 arranged opposite to each other, and the bottoms of the two supporting members 4011 are respectively provided with release arcs 4012; when the protruding structure is embedded in the recessed structure, the two supporting members 4011 are respectively suitable for bending along the two release arcs 4012 and moving toward each other, so as to extend into the recessed structure and respectively abut against the inner walls of the recessed structure.

[0077] In the above embodiment, when the protruding structure cooperates with the recessed structure, two support members 4011 are provided and release arcs 4012 are provided at the bottom of the two support members 4011 respectively, and the support members 4011 are bent along the release arcs 4012 so that they can smoothly extend into the recessed structure for interference fit; and the elastic stiffness of the two support members 4011 can be adjusted by changing the size of the two release arcs 4012, thereby adjusting the tightness of the cooperation between the protruding structure and the recessed structure.

[0078] Specifically, Figure 1-Figure 3 As shown, when the protruding structure cooperates with the recessed structure, the two support members 4011 are forced to bend along the two release arcs 4012 and move toward each other, thereby deforming, so that the two support members 4011 of the protruding structure are smoothly embedded in the recessed structure. Thereafter, the two support members 4011 are respectively interference fit with the inner wall of the recessed structure and tightly abut against it.

[0079] Furthermore, if Figure 1-Figure 3 As shown, under the premise of ensuring that the two support members 4011 can smoothly move toward each other so that the protruding structure can be smoothly embedded in the recessed structure for cooperation, the size specifications of the two release arcs 4012 are reduced as much as possible so that the two support members 4011 have the greatest possible elastic stiffness, thereby ensuring that the protruding structure and the recessed structure have the greatest possible cooperation tightness.

[0080] In some embodiments, Figure 1 , Figure 2 As shown, a boss 202 is provided on the circumference of the handle 201 , and at least a portion of the structure of the boss 202 is recessed inward to form a mounting position 2021 , and the second positioning block 4 is detachably connected to the mounting position 2021 .

[0081] In the above embodiment, the second positioning block 4 is detachably connected to the tool handle 201 of the tool 2, so that the existing tool can be reasonably modified to form a tool category for turning processing; at the same time, after the second positioning block 4 is disassembled, the spindle 1 can still be used to drive the tool 2 to rotate freely to achieve milling processing, thereby realizing the dual-purpose turning and milling of the tool 2.

[0082] Specifically, Figure 1 , Figure 2 As shown, the installation position 2021 is configured as a slot-type structure, a threaded hole is provided on the second positioning block 4, and the second positioning block 4 is detachably connected to the installation position 2021 by screws.

[0083] Furthermore, if Figure 1 , Figure 2As shown, the depth of the mounting position 2021 does not exceed 4mm, the width is 8mm-12mm, and the processing tolerance is preferably H7-H9. If the handle 201 is of E50 or even larger size, the mounting position 2021 can be appropriately deepened and widened. The second positioning block 4 is in a square shape as a whole, and the width matches the mounting position 2021. The processing tolerance is preferably g6-g8.

[0084] In some embodiments, Figure 1 , Figure 2 , Figure 4 As shown, the power output member 102 at least partially extends out of the first end surface 1011 , and the matching structure between the spindle 1 and the tool 2 further includes: an annular mounting plate 5 .

[0085] The annular mounting plate 5 is detachably connected to the first end surface 1011 , and the mounting plate is provided with a first positioning block 3 .

[0086] In the above embodiment, the first positioning block 3 is arranged on the annular mounting disk 5 and then the annular mounting disk 5 is detachably connected to the first end face 1011 of the shell 101. The overall installation of the annular mounting disk 5 on the first end face 1011 improves the installation stability of the first positioning block 3, thereby further improving the stability of the positioning and locking of the tool 2.

[0087] Specifically, Figure 1 , Figure 2 , Figure 4 As shown, a circular hole 501 is provided at the center position of the annular mounting disk 5. After the annular mounting disk 5 is connected to the first end face 1011, part of the structure of the power output component 102 extending out of the first end face 1011 extends into the circular hole 501, so as to facilitate the fixed installation of the power output component 102 and the tool handle 201 of the tool 2; one side end face of the annular mounting disk 5 is set as the third end face 502, and the first positioning block 3 is integrally formed on the third end face 502.

[0088] Furthermore, if Figure 1 , Figure 2 , Figure 4 As shown, a threaded hole perpendicular to the third end face 502 is provided on the annular mounting plate 5, and the annular mounting plate 5 is detachably connected to the first end face 1011 by screws.

[0089] Furthermore, if Figure 1 , Figure 2 , Figure 4 As shown, when the first matching portion 301 of the first positioning block 3 is set as a recessed structure, the machining tolerance is H7-H9, the depth of the groove is greater than 6mm, the width of the fillet or chamfer for guiding is set to 2mm-3mm, and the depth of the positioning side in the groove that abuts against the second matching portion 401 is greater than 3mm.

[0090] According to an embodiment of the present utility model, on the other hand, a turning-milling compound machine tool is also provided, such as Figure 5 , Figure 6 As shown, it includes: a base 100, a workbench 10, a bed 200 and a spindle box 300.

[0091] The workbench 10 is arranged on the base 100 and is suitable for placing the workpiece; the workbench 10 is connected to the base 100 by sliding along a first horizontal direction, or the workbench 10 is connected to the base 100 by rotation; the bed 200 is fixedly arranged on the base 100, and the bed 200 is connected to the slide 2001 by sliding along a second horizontal direction; the spindle box 300 is connected to the slide 2001 by sliding along a vertical direction, and the spindle box 300 is provided with the matching structure of the spindle and the tool in the above-mentioned embodiment.

[0092] In the above embodiment, when the worktable 10 is set to be slidably connected with the base 100 along the first horizontal direction, the spindle box 300 moves along the second horizontal direction, and the relative rotation of the tool 2 and the spindle 1 is not restricted by the clamping fit of the first matching portion 301 and the second matching portion 401. At this time, after the workpiece is placed on the worktable 10, the machine tool can perform milling processing with the tool 2 rotating freely; when the worktable 10 is set to be rotatably connected with the base 100, the spindle box 300 moves along the vertical direction, and the relative rotation of the tool 2 and the spindle 1 is restricted by the clamping fit of the first matching portion 301 and the second matching portion 401. At this time, the machine tool can perform turning processing with the tool 2 positioned and locked; thereby realizing the turning and milling compound production processing of the machine tool.

[0093] Specifically, Figure 5 , Figure 6 As shown, the first horizontal direction is the length direction of the turning-milling compound machine tool, the second horizontal direction is the width direction of the turning-milling compound machine tool, and the vertical direction is the height direction of the turning-milling compound machine tool.

[0094] Furthermore, if Figure 5 As shown, when the machine tool is used for milling processing, the first positioning block 3 or the second positioning block 4 is removed so that the clamping fit between the first matching part 301 and the second matching part 401 becomes invalid. At this time, the tool 2 can rotate freely driven by the spindle 1; the workpiece can move along the first horizontal direction driven by the worktable 10, and the spindle box 300 can move along the second horizontal direction driven by the slide 2001, and then the spindle box 300 is used to move along the vertical direction to drive the tool 2 to adjust the position of the tool 2, thereby realizing milling processing of the workpiece.

[0095] Furthermore, if Figure 5 , Figure 6As shown, when the machine tool is used for turning processing, the first positioning block 3 and the second positioning block 4 are retained so that the first matching part 301 and the second matching part 401 are engaged with each other, and the tool 2 is positioned and locked on the spindle 1; the workpiece can be rotated at high speed under the drive of the worktable 10, and the movement of the spindle box 300 in the vertical direction drives the tool 2 to realize the feeding movement of turning, and then the workpiece is moved along the first horizontal direction on the worktable 10, and the spindle box 300 can be driven by the slide 2001 to move along the second horizontal direction to adjust the position of the tool 2, thereby realizing the turning processing of the workpiece.

[0096] Furthermore, if Figure 5 , Figure 6 As shown, two first guide rails 1001 are symmetrically arranged on the upper surface of the base 100 along the first horizontal direction, a plurality of first sliders 1002 are slidably connected to the first guide rails 1001, the workbench 10 is arranged on the plurality of first sliders 1002, and the first driving device 1003 is arranged between the two first guide rails 1001, and is used to drive the workbench 10 to move. The bed 200 includes two support columns 2002 connected to the base 100, and a crossbeam 2003 arranged on the two support columns 2002, two second guide rails 2004 are symmetrically arranged on the outer surface of the crossbeam 2003 along the second horizontal direction, a plurality of second sliders 2005 are slidably connected to the second guide rails 2004, a ram 2001 is arranged on the plurality of second sliders 2005, and a second driving device 2006 is arranged between the two second guide rails 2004, and is used to drive the ram 2001 to move. The spindle box 300 includes a box body 3001 which is slidably connected to the slide 2001, the matching structure of the spindle and the tool is arranged in the box body 3001, the outer surface of the box body 3001 is symmetrically provided with two third guide rails 3003 along the vertical direction, a plurality of third sliders 3004 are slidably connected to the third guide rails 3003, a connecting plate 3002 is arranged on the plurality of third sliders 3004 and is fixedly connected to the slide 2001, and a third driving device (not shown in the figure) is arranged between the two third guide rails 3003, and is used for driving the box body 3001 and the spindle box 300 to move.

[0097] In some embodiments, Figure 5 , Figure 7 , Figure 8 As shown, the turning-milling compound machine tool further includes a tool magazine 400 disposed on the base 100 , wherein the tool magazine 400 is provided with a plurality of tool bins 500 , and at least one tool bin 500 is suitable for storing a tool 2 .

[0098] Specifically, Figure 5As shown, the driving device of the tool magazine 400 includes a driving disc 4001 with an inner gear ring, and a driving member 4002. The output end of the driving member 4002 is configured as a gear structure and is drivingly connected to the inner gear ring of the driving disc 4001. A plurality of tool magazines 500 are arranged on the circumference of the driving disc 4001. The driving member 4002 is used to drive the disc 4001 to rotate, thereby driving the tool magazines 500 to move to the tool changing position.

[0099] The tool magazine 500 includes a mounting portion 5001 and a third matching portion 5002 .

[0100] The mounting portion 5001 is suitable for mounting the handle 201 of the tool 2; the third matching portion 5002 is arranged corresponding to the second matching portion 401; when the handle 201 is installed on the mounting portion 5001, the second matching portion 401 is suitable for being snap-fitted with the third matching portion 5002 to limit the relative rotation between the tool 2 and the mounting portion 5001.

[0101] In the above embodiment, by setting the third matching part 5002 on the tool magazine 500, when the handle 201 of the tool 2 is installed on the mounting part 5001 for storing the tool, the second matching part 401 and the third matching part 5002 are engaged with each other to limit the relative rotation between the tool 2 and the mounting part 5001, thereby improving the stability of the tool 2 stored in the tool magazine 500.

[0102] Specifically, Figure 7 , Figure 8 As shown, in this embodiment, the upper part of the tool handle 201 is set to a frustum shape, and the mounting portion 5001 is set to a tapered hole corresponding to the frustum shape. The frustum shape of the tool handle 201 extends into the tapered hole of the mounting portion 5001 to achieve the matching installation of the tool 2 and the tool magazine 500. The second matching portion 401 is set to a protruding structure, and the third matching portion 5002 is set to a recessed structure. The design tolerance of the recessed structure can be relaxed to H10. The outer side of the second matching portion 401 set to a protruding structure is rounded or chamfered, and the outer side of the opening of the third matching portion 5002 set to a recessed structure is rounded or chamfered, so as to improve the smoothness of the snap-fitting of the two parts.

[0103] Furthermore, if Figure 7 , Figure 8As shown, a mounting portion 5001 is provided at the end of the tool magazine 500 for mounting the handle 201 of the tool 2, and a first connecting portion 5003 and a second connecting portion 5004 are relatively provided on the side of the tool magazine 500, and threaded holes are provided respectively; the third matching portion 5002 is integrally formed on the mounting block 5005, and the mounting block 5005 is provided with threaded holes corresponding to the threaded holes on the first connecting portion 5003 and the second connecting portion 5004; the mounting block 5005 is embedded between the first connecting portion 5003 and the second connecting portion 5004, and the mounting block 5005 is fixed to the first connecting portion 5003 and the second connecting portion 5004 by a plurality of screws.

[0104] Furthermore, if Figure 8 As shown, a positioning slot 5006 is provided on the side of the first connecting part 5003, and a positioning protrusion 5007 corresponding to the positioning slot 5006 is provided on the side of the mounting block 5005. When the mounting block 5005 is fixedly installed with the first connecting part 5003 and the second connecting part 5004, the positioning slot 5006 and the positioning protrusion 5007 cooperate to achieve the positioning effect.

[0105] Furthermore, if Figure 5 , Figure 7 , Figure 8 As shown, the side of the knife magazine 500 is provided with a hinge 5008, and the hinge 5008 is used to be hinged with the driving disc 4001. When the knife magazine 500 stores knives normally, the blade 203 of the knife 2 is arranged horizontally and outwardly; when the knife needs to be changed, the corresponding knife magazine 500 is rotated 90 degrees as a whole through the hinge 5008, so that the knife 2 is arranged vertically as a whole, so as to facilitate the subsequent knife changing operation using the knife changing device 600.

[0106] In some embodiments, Figure 5 , Fig. 9 As shown, the turning-milling compound machine tool also includes a tool changing device 600 arranged on the base 100, and the tool changing device 600 includes a tool changing arm 6001 arranged below the tool magazine 500, and a driving body 6002 suitable for driving the tool changing arm 6001 to rotate, and the tool changing arm 6001 has two sets of tool grabbing structures arranged relatively to each other; when performing a tool changing operation, one set of tool grabbing structures is suitable for grabbing a first tool set in the spindle 1, and the other set of tool grabbing structures is suitable for grabbing a second tool installed in the tool magazine 500; the tool changing arm 6001 is driven to rotate so that the positions of the first tool and the second tool are interchanged and installed separately to complete the tool changing operation.

[0107] In the above embodiment, two sets of tool grabbing structures arranged opposite to each other on the tool changing device 600 are used to quickly change the tools in the spindle 1, and at the same time, the replaced tools are quickly stored in the warehouse.

[0108] Specifically, Figure 5 , Fig. 9As shown, the tool changing arm 6001 is in the initial position under normal conditions. When performing a tool changing operation, the driving body 6002 drives the tool changing arm 6001 to rotate, so that the tool changing arm 6001 rotates from the initial position to the tool grabbing position. At this time, a set of tool grabbing structures on the tool changing arm 6001 grabs the first tool set in the spindle 1, and at the same time, another set of tool grabbing structures on the tool changing arm 6001 grabs the second tool installed in the tool magazine 500. The driving body 6002 drives the tool changing arm 6001 to move down to take out the first tool and the second tool; the driving body 6002 continues to drive the tool changing arm 6001 to rotate 180°, so that the positions of the first tool and the second tool are interchanged, the driving body 6002 drives the tool changing arm 6001 to move up, the second tool is installed in the spindle 1, and the first tool is installed in the tool magazine 500. The driving body 6002 drives the tool changing arm 6001 to rotate in the opposite direction to release the first tool and the second tool, and the tool changing arm 6001 returns to the initial position to complete the tool changing operation.

[0109] Furthermore, if Figure 5 , Fig. 9 As shown, the knife grabbing structure includes a knife claw 60011 and a top knife rod 60012, the knife claw 60011 is set to be an arc shape that imitates the handle 201 of the tool 2, the end of the top knife rod 60012 is set to be an arc shape that imitates the handle 201 of the tool 2, the end of the top knife rod 60012 and the knife claw 60011 are surrounded and arranged, and an opening is left for the handle 201 to enter. The rod body of the top knife rod 60012 is arranged inside the tool changing arm 6001 through a spring member; after the tool changing arm 6001 is rotated from the initial position to the knife grabbing position, the top knife rod 60012 is squeezed by the first tool and the internal spring member contracts The opening between the end of the top tool rod 60012 and the knife claw 60011 is enlarged to facilitate the entry of the shank of the first tool. After the shank of the first tool is fully entered, the spring member resets and drives the top tool rod 60012 to reset, so that the end of the top tool rod 60012 and the knife claw 60011 can be used to grasp the shank of the first tool, and the grasping operation of the second tool is similar. After the first tool and the second tool are installed, the driving body 6002 drives the tool changing arm 6001 to rotate in the opposite direction, and the elastic reset action of the spring drives the top tool rod 60012 to retract and reset, thereby releasing the first tool and the second tool.

[0110] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A matching structure of a spindle and a tool, characterized in that: include: A main shaft (1) comprises a housing (101) and a power output member (102) arranged in the housing (101); A tool (2), the tool handle (201) of which is suitable for being connected to the power output member (102); A first positioning block (3) is arranged on the housing (101), and the first positioning block (3) has a first matching portion (301); A second positioning block (4) is arranged on the knife handle (201), the second positioning block (4) having a second matching portion (401) arranged corresponding to the first matching portion (301); When the tool handle (201) is connected to the power output member (102), the second matching portion (401) is suitable for engaging with the first matching portion (301) to limit the relative rotation of the tool (2) and the spindle (1).

2. The matching structure of the spindle and the tool according to claim 1 is characterized in that: A first end surface (1011) is formed on a side of the housing (101) close to the tool (2), and the first positioning block (3) is directly or indirectly arranged on the first end surface (1011).

3. The matching structure of the spindle and the tool according to claim 2 is characterized in that: The first matching portion (301) is configured as a recessed structure, and the second matching portion (401) is configured as a protruding structure; When the knife handle (201) is connected to the power output member (102), the protruding structure is suitable for being embedded in the recessed structure.

4. The matching structure of the spindle and the tool according to claim 3 is characterized in that: The protruding structure is made of elastic material; When the protruding structure is embedded in the recessed structure, the protruding structure is suitable for interference fit with the recessed structure.

5. The matching structure of the spindle and the tool according to claim 4 is characterized in that: The protruding structure comprises two supporting members (4011) arranged opposite to each other, and the bottoms of the two supporting members (4011) are respectively provided with release arcs (4012); When the protruding structure is embedded in the recessed structure, the two supporting members (4011) are respectively adapted to bend along the two release arcs (4012) and move toward each other so as to extend into the recessed structure and respectively abut against the inner wall of the recessed structure.

6. The matching structure of the spindle and the tool according to any one of claims 1 to 5, characterized in that: A boss (202) is provided on the circumference of the knife handle (201), and at least a portion of the structure of the boss (202) is recessed inward to form a mounting position (2021), and the second positioning block (4) is detachably connected to the mounting position (2021).

7. The matching structure of the spindle and the tool according to any one of claims 2 to 5, characterized in that: The power output member (102) at least partially extends out of the first end surface (1011), and the matching structure between the spindle (1) and the tool (2) further includes: An annular mounting plate (5) is detachably connected to the first end surface (1011), and the mounting plate is provided with the first positioning block (3).

8. A turning-milling compound machine tool, characterized in that: include: Base (100); A workbench (10) is arranged on the base (100) and is suitable for placing a workpiece; the workbench (10) is connected to the base (100) in a sliding manner along a first horizontal direction, or the workbench (10) is connected to the base (100) in a rotatable manner; A bed (200) is fixedly arranged on the base (100), and the bed (200) is slidably connected to a ram (2001) along a second horizontal direction; A spindle box (300) is slidably connected to the slide (2001) in a vertical direction, and a matching structure of a spindle and a tool as claimed in any one of claims 1 to 7 is arranged in the spindle box (300).

9. The turning-milling compound machine tool according to claim 8, characterized in that: It also includes a tool magazine (400) arranged on the base (100), wherein a plurality of tool magazines (500) are arranged in the tool magazine (400), and at least one of the tool magazines (500) is suitable for storing a tool (2); The knife magazine (500) comprises: A mounting portion (5001) adapted to mount the handle (201) of the tool (2); A third matching portion (5002) is arranged corresponding to the second matching portion (401); When the knife handle (201) is mounted on the mounting portion (5001), the second matching portion (401) is adapted to be snap-fitted with the third matching portion (5002) to limit the relative rotation of the knife (2) and the mounting portion (5001).

10. The turning-milling compound machine tool according to claim 9, characterized in that: It also includes a tool changing device (600) arranged on the base (100), the tool changing device (600) including a tool changing arm (6001) arranged below the tool magazine (500), and a driving body (6002) suitable for driving the tool changing arm (6001) to rotate, and the tool changing arm (6001) has two sets of tool grabbing structures arranged opposite to each other; When performing a tool changing operation, one group of the tool grabbing structures is suitable for grabbing a first tool arranged in the spindle (1), and another group of the tool grabbing structures is suitable for grabbing a second tool installed in the tool magazine (500); the tool changing arm (6001) is driven to rotate so that the positions of the first tool and the second tool are interchanged and installed separately, thereby completing the tool changing operation.

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