Built-in tool changing mechanism of horizontal machining center

Abstract

The utility model discloses a tool changing mechanism in a horizontal machining center machine, and relates to the technical field of machining tool changing. The tool apron comprises a tool apron working assembly, a tool connecting assembly, a clamping and fixing mechanism and a sliding adjusting assembly, the tool apron working assembly comprises a working base and an L-shaped tool apron plate, the clamping and fixing mechanism is matched with the tool connecting assembly in a clamped mode, and the clamping and fixing mechanism comprises a clamping and fixing assembly and a clamping and driving assembly. The clamping and fixing assembly and the clamping and driving assembly are fixedly connected, the clamping and fixing assembly comprises a clamping and fixing block, and the sliding adjusting assembly comprises an adjusting inner pipe capable of horizontally moving. According to the automatic tool changing device, the L-shaped tool apron plate is driven to slide horizontally by adjusting the inner pipe to slide horizontally, the L-shaped tool apron plate is moved to a tool changing position, then the clamping and fixing block is driven by the clamping and driving assembly to slide until the clamping and fixing block is clamped with the tool connecting assembly, automatic tool changing operation in machining is achieved, and the tool changing process is simplified.

Description

Technical Field

[0001] The utility model belongs to the technical field of machining tool changing, in particular to a tool changing mechanism in a horizontal machining center. Background Art

[0002] In order to improve production efficiency and processing accuracy, horizontal machining centers can reduce non-processing time and improve processing efficiency by quickly and accurately changing tools on the machine tool. Correct selection and replacement of tools can improve cutting effects, reduce processing errors, and thus improve processing accuracy. Correct tool change in the horizontal machining center can greatly improve the processing capacity and production efficiency of the machining center.

[0003] The large tools used in existing horizontal machining centers and boring and milling centers cannot be changed in the original tool magazine because the tools are too long or too heavy. The workers need to change the tools manually. It is very inconvenient to change the large tools manually and requires the cooperation of multiple people. To this end, we provide a tool changing mechanism inside the horizontal machining center to solve the above technical problems. Utility Model Content

[0004] The utility model aims to provide a tool changing mechanism in a horizontal machining center, which solves the problems in the above-mentioned background technology through the specific structural design of the tool holder working component, the tool connecting component, the clamping and fixing mechanism and the sliding adjustment component.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a tool changing mechanism in a horizontal machining center, comprising a tool holder working component, a tool connecting component, a clamping and fixing mechanism and a sliding adjustment component, wherein the tool holder working component comprises a working base and an L-shaped tool holder plate, wherein the working base and the L-shaped tool holder plate are slidably matched; the tool connecting component and the L-shaped tool holder plate are snap-fitted; the clamping and fixing mechanism and the tool connecting component are snap-fitted, wherein the clamping and fixing mechanism comprises a clamping and fixing component and a clamping drive component, wherein the clamping and fixing component and the clamping drive component are fixedly connected, wherein the clamping and fixing component comprises a plurality of clamping and fixing blocks snap-fitted with the tool connecting component, wherein one side of the clamping and fixing block is an inclined structure; the sliding adjustment component is fixedly connected to one side of the working base, wherein the sliding adjustment component and the L-shaped tool holder plate are fixedly connected, and wherein the sliding adjustment component comprises an adjusting inner tube which can be moved horizontally.

[0007] The utility model further comprises a plurality of sliding guide grooves on the upper surface of the working base, mounting holes are symmetrically formed on one surface of the L-shaped tool base plate, and a plurality of sliding blocks slidably matched with the corresponding sliding guide grooves are fixedly connected to the lower surface of the L-shaped tool base plate; the tool connecting assembly comprises a tool handle engaged with the mounting hole, a hollow rivet is threadedly fitted on a side surface of the tool handle, a plurality of clamping slots are formed on the inner side wall of the hollow rivet, and the clamping slots are matched with the corresponding clamping fixing blocks.

[0008] The utility model further comprises: the clamping and fixing assembly also includes a hollow butt tube, a connecting support column is coaxially arranged inside the hollow butt tube, a plurality of docking grooves are provided on the connecting support column, a sliding adjustment plate is slidably arranged inside the docking groove, a first connecting groove is provided inside the sliding adjustment plate, a second connecting groove is provided on one side of the clamping and fixing block, a clamping adjustment connecting rod is symmetrically connected to the inside of the second connecting groove via a first rotating axis, the other end of the clamping and adjusting connecting rod is rotatably connected to the inside of the first connecting groove via a second rotating axis, and an elastic element is fixedly connected between the clamping and fixing block and the second connecting groove.

[0009] The utility model further comprises a clamping drive assembly comprising a supporting disc fixedly connected to one end of a sliding adjustment plate, a transmission rack being fixedly connected to the upper surface of the supporting disc; an inner wall of the hollow butt tube is symmetrically rotatably connected to a transmission gear through an ear plate, the transmission gear and the transmission rack are meshed with each other, a first driving motor is fixedly mounted on one side of the ear plate, and the output shaft of the first driving motor is fixedly connected to the transmission gear.

[0010] The utility model further includes a mounting support plate fixedly connected to a side surface of the working base, an adjusting sleeve fixedly connected to one side surface of the mounting support plate, the adjusting inner tube is slidably arranged inside the adjusting sleeve, the adjusting inner tube is fixedly connected to the sliding block, a driving shaft is rotatably arranged inside the adjusting sleeve, an arc-shaped adjusting plate is symmetrically fixedly connected to the circumferential side surface of the driving shaft, a linkage adjusting column that slides with the arc-shaped adjusting plate is symmetrically fixedly connected to the circumferential side surface of the adjusting inner tube, a reset spring is fixedly connected between the adjusting sleeve and the mounting support plate; a second driving motor is fixedly installed on the other side surface of the mounting support plate, and the output shaft of the second driving motor is fixedly connected to the driving shaft.

[0011] The utility model has the following beneficial effects:

[0012] 1. The utility model sets a clamping and fixing mechanism, utilizes the movement of the transmission rack to drive the sliding adjustment plate to move synchronously along the inside of the docking slide groove, and under the connecting action of the clamping and adjusting connecting rod, the clamping and fixing block slides along the inner wall of the hollow rivet, and when the clamping and fixing block moves to the clamping slot position, the clamping and fixing block slides along the clamping slot, and the clamping and adjusting connecting rod rotates until the clamping and fixing block engages with the corresponding clamping slot, thereby realizing convenient and automatic tool changing operation and reducing the operation process of workers.

[0013] 2. The utility model sets a sliding adjustment component, and the rotation of the driving shaft drives the two arc-shaped adjustment plates to rotate synchronously. Under the cooperation of the arc-shaped adjustment plate and the linkage adjustment column, the linkage adjustment column moves synchronously with the rotation of the arc-shaped adjustment plate, so that the adjustment inner tube slides along the adjustment sleeve and drives the sliding block to move, and then drives the L-shaped tool holder plate to slide horizontally, thereby realizing the replacement of the tool, facilitating the removal of the old tool and providing a new tool, and realizing automatic tool change.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 The figure is a schematic diagram of the structure of a tool changing mechanism inside a horizontal machining center.

[0017] Figure 2 It is a schematic diagram of the longitudinal cross-sectional structure of the working component of the tool holder in the utility model.

[0018] Figure 3 for Figure 2 Schematic diagram of some structures.

[0019] Figure 4 This is a schematic diagram of the structure of the tool connection assembly in the utility model.

[0020] Figure 5 It is a schematic diagram of the transverse cross-sectional structure of the clamping and fixing mechanism in the utility model.

[0021] Figure 6 for Figure 5 Schematic diagram of the structure from another angle.

[0022] Figure 7 It is a schematic diagram of the transverse cross-sectional structure of the sliding adjustment component in the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1-tool holder working assembly, 101-working base, 102-L-shaped tool holder plate, 103-sliding guide groove, 104-mounting hole, 105-sliding block, 2-tool connecting assembly, 201-tool handle, 202-hollow rivet, 203-clamping slot, 3-clamping and fixing mechanism, 31-clamping and fixing assembly, 311-clamping and fixing block, 312-hollow butt pipe, 313-connecting support column, 314-sliding adjustment plate, 315-clamping and adjusting connecting rod, 32-clamping drive assembly, 321-support disc, 322-transmission rack, 323-transmission gear, 324-first drive motor, 4-sliding adjustment assembly, 401-adjusting inner tube, 402-mounting support plate, 403-adjusting sleeve, 404-arc adjustment plate, 405-linkage adjustment column, 406-reset spring, 407-second drive motor. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-7The utility model is a tool changing mechanism in a horizontal machining center, including a tool holder working component 1, a tool connecting component 2, a clamping and fixing mechanism 3 and a sliding adjustment component 4. The tool holder working component 1 includes a working base 101 and an L-shaped tool holder plate 102. The working base 101 and the L-shaped tool holder plate 102 are slidably matched. The L-shaped tool holder plate 102 slides horizontally along the working base 101 to provide a placement position for the old tool head and carry the replaced new tool head at the same time; the tool connecting component 2 is engaged with the L-shaped tool holder plate 102; the clamping and fixing mechanism 3 is engaged with the tool connecting component 2, one end of the clamping and fixing mechanism 3 is fixedly connected to a movable machining spindle, and the machining spindle is used to drive the clamping and fixing mechanism 3 to synchronously move and change the tool. The clamping and fixing mechanism 3 includes a clamp A holding and fixing component 31 and a clamping and driving component 32 are fixedly connected between the clamping and fixing component 31 and the clamping and driving component 32, and the clamping and fixing component 31 is driven to move by the clamping and driving component 32. The clamping and fixing component 31 includes a plurality of clamping and fixing blocks 311 engaged with the tool connecting component 2, and the tool is replaced by engaging with the clamping and fixing blocks 311 and the tool connecting component 2, and one side of the clamping and fixing block 311 is an inclined structure; the sliding adjustment component 4 is fixedly connected to a side of the working base 101, and the sliding adjustment component 4 is fixedly connected to the L-shaped tool holder plate 102, and the sliding adjustment component 4 includes a horizontally movable adjustment inner tube 401, and the horizontal movement of the adjustment inner tube 401 drives the L-shaped tool holder plate 102 to move horizontally along the working base 101.

[0027] In this implementation case of the utility model, a plurality of sliding guide grooves 103 are provided on the upper surface of the working base 101, and an L-shaped tool holder plate 102 is slidably arranged inside two adjacent sliding guide grooves 103. A surface of the L-shaped tool holder plate 102 is symmetrically provided with mounting holes 104, one mounting hole 104 is used to place an old tool head, and the other mounting hole 104 is used to place a tool head to be replaced. A plurality of sliding blocks 105 that are slidably matched with the corresponding sliding guide grooves 103 are fixedly connected to the lower surface of the L-shaped tool holder plate 102; the tool connecting assembly 2 includes a tool handle 201 that is engaged with the mounting holes 104, and a hollow rivet 202 is threadedly matched on one side of the tool handle 201, and a plurality of clamping slots 203 are provided on the inner side wall of the hollow rivet 202, and a side surface of the clamping slot 203 is an inclined surface, and the inclination angle is consistent with the inclination angle of the clamping fixing block 311.

[0028] The cam 314 is provided with a plurality of connecting rods 316, 317 and 318, and the connecting rod 316 is provided with a plurality of connecting rods 314. The connecting rod 314 is provided with a plurality of connecting rods 316. The connecting rod 316 is provided with a plurality of connecting rods 316.

[0029] In this implementation case of the utility model, the clamping drive assembly 32 includes a support disc 321 fixedly connected to one end of the sliding adjustment plate 314, the support disc 321 drives the sliding adjustment plate 314 to move synchronously, and a transmission rack 322 is fixedly connected to the upper surface of the support disc 321; the inner wall of the hollow butt tube 312 is symmetrically rotatably connected to the transmission gear 323 through the ear plate, and the transmission gear 323 is respectively arranged on both sides of the transmission rack 322, and the transmission gear 323 is meshed with the transmission rack 322. The rotation of the transmission gear 323 drives the transmission rack 322 to reciprocate, and a first driving motor 324 is fixedly installed on one side of the ear plate, and the output shaft of the first driving motor 324 is fixedly connected to the transmission gear 323, and the first driving motor 324 is used to drive the corresponding transmission gear 323 to rotate.

[0030] In the embodiment of the present invention, the sliding adjustment component 4 also includes a mounting support plate 402 fixedly connected to one side of the working base 101, and an adjusting sleeve 403 is fixedly connected to one side of the mounting support plate 402. The adjusting inner tube 401 is slidably arranged inside the adjusting sleeve 403, and the adjusting inner tube 401 is fixedly connected to the sliding block 105. A driving shaft is rotatably arranged inside the adjusting sleeve 403, and an arc-shaped adjustment plate 404 is symmetrically fixedly connected to the side surface of the driving shaft. The arc-shaped adjustment plate 404 rotates synchronously with the driving shaft, and the side surface of the adjusting inner tube 401 is symmetrically fixedly connected There is a linkage adjustment column 405 that slides with the arc adjustment plate 404. The arc adjustment plate 404 rotates to drive the linkage adjustment column 405 to slide along its surface, thereby driving the adjustment inner tube 401 to move horizontally. A return spring 406 is fixedly connected between the adjustment sleeve 403 and the mounting support plate 402, and the return spring 406 is sleeved on the outside of the drive shaft; a second drive motor 407 is fixedly installed on the other side of the mounting support plate 402, and the output shaft of the second drive motor 407 is fixedly connected to the drive shaft, and the second drive motor 407 is used to drive the drive shaft to rotate.

[0031] The working principle of this embodiment is: place the tool connection assembly 2 to be replaced inside the corresponding mounting hole 104, use the sliding adjustment assembly 4 to drive the L-shaped tool holder plate 102 to move horizontally to the position of the workbench machining spindle, and replace the tool. The specific operation is as follows:

[0032] The machining spindle is used to drive the old tool to move to the inside of the mounting hole 104 above the L-shaped tool holder plate 102, and the first drive motor 324 is started to drive the transmission gear 323 to rotate. Under the meshing action of the transmission gear 323 and the transmission rack 322, the transmission rack 322 is driven to move horizontally, so that the support disc 321 drives the sliding adjustment plate 314 to move horizontally synchronously with the transmission rack 322. During the horizontal movement of the sliding adjustment plate 314, the clamping adjustment link 315 moves synchronously. Under the connection action of the clamping adjustment link 315, the clamping fixed block 311 slides along the inner wall of the clamping slot 203 away from the tool connecting component 2. When the inclined surface of the clamping fixed block 311 is aligned with the inclined surface of the clamping slot 203, the clamping fixed block 311 is locked. When the surfaces are in contact, as the clamping block 311 slides along the inclined surface of the clamping slot 203, the clamping block 311 is gradually squeezed by the external force on the elastic element, the elastic element is compressed and the clamping adjustment link 315 rotates, and the clamping block 311 gradually moves toward the axial position of the connecting support column 313 during the movement until the clamping block 311 is separated from the inclined surface of the clamping slot 203, the elastic element is completely compressed, the clamping block 311 fits against the inner wall of the hollow rivet 202, and moves with the sliding adjustment plate 314 until the clamping block 311 slides out of the tool connecting assembly 2 along the inner wall of the hollow rivet 202, thereby releasing the old tool and making the old tool located inside the mounting hole 104.

[0033] After the old tool is released, the clamping and fixing mechanism 3 moves downward with the machining spindle to the new tool position. The hole-axis cooperation between the clamping and fixing mechanism 3 and the tool connecting assembly 2 is realized by the movement of the machining spindle. The inner wall of the hollow butt tube 312 slides along the side surface of the hollow rivet 202 until it is in contact with one side of the hollow rivet 202. The first drive motor 324 is started to rotate in the opposite direction so that the transmission rack 322 slides horizontally in the direction close to the tool connecting assembly 2, driving the clamping and fixing block 311 to move synchronously along the inner wall of the hollow rivet 202. When the clamping and fixing block 311 slides to the clamping When the holding slot 203 is at the inclined surface position, the force of the clamping block 311 on the elastic element is reduced, and the elastic element gradually recovers elastically, so that the clamping block 311 gradually moves around during the movement, and the clamping adjustment connecting rod 315 rotates until the clamping block 311 is separated from the inclined surface of the clamping slot 203. Under the elastic recovery action of the elastic element, the clamping block 311 moves around, and the clamping adjustment connecting rod 315 rotates to a vertical position, and the clamping block 311 engages with the clamping slot 203 to realize the clamping operation of the new tool.

[0034] When the replacement is completed, the second drive motor 407 is started to drive the drive shaft to rotate, and the arc adjustment plate 404 rotates synchronously with the drive shaft. During the rotation of the arc adjustment plate 404, under the sliding cooperation between the arc adjustment plate 404 and the linkage adjustment column 405, as the arc adjustment plate 404 rotates, the linkage adjustment column 405 moves along the surface of the arc adjustment plate 404, thereby driving the adjustment inner tube 401 to slide along the inner wall of the adjustment sleeve 403, and at the same time the reset spring 406 is compressed, and the sliding block 105 slides along the sliding guide groove 103 with the movement of the adjustment inner tube 401, thereby driving L The L-shaped tool base plate 102 slides horizontally, and when the linkage adjustment column 405 slides to the end of the arc-shaped adjustment plate 404, it stops rotating, and the L-shaped tool base plate 102 moves to one end of the working base 101, away from the machining spindle; when the tool needs to be replaced, the drive shaft continues to rotate, the linkage adjustment column 405 disengages from the arc-shaped adjustment plate 404, and under the elastic recovery action of the reset spring 406, the inner tube 401 is adjusted to drive the L-shaped tool base plate 102 to move to the machining spindle position (at this time, the linkage adjustment column 405 disengages from the end of the original arc-shaped adjustment plate 404, moves to another arc-shaped adjustment plate 404 and slides with it).

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A tool changing mechanism in a horizontal machining center, characterized in that: include: A tool holder working assembly (1), the tool holder working assembly (1) comprising a working base (101) and an L-shaped tool holder plate (102), the working base (101) and the L-shaped tool holder plate (102) being in sliding cooperation with each other; A tool connection assembly (2), wherein the tool connection assembly (2) is engaged with the L-shaped tool holder plate (102); A clamping and fixing mechanism (3), wherein the clamping and fixing mechanism (3) is engaged with the tool connecting assembly (2), the clamping and fixing mechanism (3) comprises a clamping and fixing assembly (31) and a clamping drive assembly (32), the clamping and fixing assembly (31) and the clamping drive assembly (32) are fixedly connected, the clamping and fixing assembly (31) comprises a plurality of clamping and fixing blocks (311) engaged with the tool connecting assembly (2), and one side surface of the clamping and fixing block (311) is an inclined structure; A sliding adjustment component (4), the sliding adjustment component (4) is fixedly connected to a side of a working base (101), the sliding adjustment component (4) is fixedly connected to an L-shaped tool holder plate (102), and the sliding adjustment component (4) comprises an adjustment inner tube (401) that can move horizontally.

2. The tool changing mechanism in a horizontal machining center according to claim 1, characterized in that: The upper surface of the working base (101) is provided with a plurality of sliding guide grooves (103), one surface of the L-shaped knife seat plate (102) is symmetrically provided with mounting holes (104), and the lower surface of the L-shaped knife seat plate (102) is fixedly connected with a plurality of sliding blocks (105) that are slidably matched with the corresponding sliding guide grooves (103).

3. The tool changing mechanism in a horizontal machining center according to claim 2, characterized in that: The tool connection assembly (2) comprises a tool handle (201) engaged with the mounting hole (104); a side surface of the tool handle (201) is threadedly matched with a hollow rivet (202); an inner wall of the hollow rivet (202) is provided with a plurality of clamping slots (203); and the clamping slots (203) are matched with corresponding clamping fixing blocks (311).

4. The tool changing mechanism in a horizontal machining center according to claim 3, characterized in that: The clamping and fixing assembly (31) further comprises a hollow butt-jointed tube (312), a connecting support column (313) being coaxially arranged inside the hollow butt-jointed tube (312), a plurality of butt-jointed slide grooves being provided on the connecting support column (313), and a sliding adjustment plate (314) being slidably arranged inside the butt-jointed slide groove; A first connecting groove is provided inside the sliding adjustment plate (314), a second connecting groove is provided on a side surface of the clamping and fixing block (311), a clamping and adjusting connecting rod (315) is symmetrically connected to the inside of the second connecting groove via a first rotating axis, the other end of the clamping and adjusting connecting rod (315) is connected to the inside of the first connecting groove via a second rotating axis, and an elastic element is fixedly connected between the clamping and fixing block (311) and the second connecting groove.

5. The tool changing mechanism in a horizontal machining center according to claim 4, characterized in that: The clamping drive assembly (32) comprises a supporting disc (321) fixedly connected to one end of the sliding adjustment plate (314), and a transmission rack (322) is fixedly connected to the upper surface of the supporting disc (321); The inner wall of the hollow butt tube (312) is symmetrically rotatably connected to a transmission gear (323) via an ear plate, the transmission gear (323) and the transmission rack (322) are meshed with each other, a first drive motor (324) is fixedly mounted on one side of the ear plate, and an output shaft of the first drive motor (324) is fixedly connected to the transmission gear (323).

6. The tool changing mechanism in a horizontal machining center according to claim 5, characterized in that: The sliding adjustment assembly (4) further comprises a mounting support plate (402) fixedly connected to a side of the working base (101); an adjustment sleeve (403) is fixedly connected to one side of the mounting support plate (402); the adjustment inner tube (401) is slidably arranged inside the adjustment sleeve (403); and the adjustment inner tube (401) is fixedly connected to the sliding block (105).

7. The tool changing mechanism in a horizontal machining center according to claim 6, characterized in that: A driving shaft is rotatably arranged inside the adjusting sleeve (403), an arc-shaped adjusting plate (404) is symmetrically fixedly connected to the peripheral side of the driving shaft, a linkage adjusting column (405) that is slidably matched with the arc-shaped adjusting plate (404) is symmetrically fixedly connected to the peripheral side of the adjusting inner tube (401), and a return spring (406) is fixedly connected between the adjusting sleeve (403) and the mounting support plate (402); A second drive motor (407) is fixedly mounted on the other side of the mounting support plate (402), and an output shaft of the second drive motor (407) is fixedly connected to a drive shaft.

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