CN115971941B - Portal frame type tool changing device of machine tool - Google Patents
Portal frame type tool changing device of machine tool Download PDFInfo
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- CN115971941B CN115971941B CN202211594669.9A CN202211594669A CN115971941B CN 115971941 B CN115971941 B CN 115971941B CN 202211594669 A CN202211594669 A CN 202211594669A CN 115971941 B CN115971941 B CN 115971941B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a gantry type tool changing device of a machine tool, which comprises: a frame; a work table; the tool magazine comprises a milling cutter mechanism, a movable frame capable of moving back and forth and a movable cover plate capable of moving back and forth on the movable frame; the milling cutter mechanism comprises a milling cutter mounting seat and a milling cutter protecting cover; the top of the milling cutter mounting seat can be detachably connected with the workbench, and the milling cutter is arranged at the lower part of the milling cutter mounting seat; the milling cutter is positioned in the milling cutter protecting cover; the dust-proof box comprises a box body and a folding door, wherein the tool magazine is arranged in the box body, the folding door is connected to one side of an opening of the box body in a sliding mode, and the folding door is matched with the opening. The gantry type tool changing device of the machine tool is simple in structure and convenient to use, and the tool magazine is arranged on the machine tool, so that the milling cutter mechanism is convenient to automatically mount and dismount, the design is reasonable, clamping and accurate positioning during automatic mounting are convenient, the milling cutter is convenient to replace, a good protection effect can be formed on the milling cutter, and the milling cutter is convenient to replace when broken.
Description
Technical Field
The invention relates to the technical field of machine tool equipment, in particular to a gantry type machine tool changing device.
Background
The numerical control machine tool is a common machine for processing products at present. The engraving and milling machine in the numerical control machine tool is a numerical control milling machine using a small cutter, a high-power and high-speed spindle motor. The engraving and milling machine can be used for engraving and milling, and is a high-efficiency and high-precision numerical control machine tool. The numerical control machine tool has a wide application range and is widely used for finishing the rough and finish machining of a precision die and a die core at one time, the machining of a die red copper electrode, the batch machining of aluminum products, the shoe die manufacturing, the tool machining, the clock glasses industry and the like. The numerical control machine tool has the characteristics of high cost performance, high processing speed and good finish degree of processed products, and is increasingly important in the machine tool processing industry.
2017.08.01 is a patent with publication number CN107000145A, named as "numerical control machine tool and quick tool changing method of numerical control machine tool", which discloses a numerical control machine tool and quick tool changing method of numerical control machine tool. The numerical control machine tool comprises a main spindle box sliding plate; the spindle box is slidably arranged on the spindle box sliding plate; a main shaft fixed on the main shaft box, wherein one end of the main shaft is provided with a first cutter; the tool magazine is fixed on the spindle box slide plate; when the tool is replaced, a second tool in the tool magazine extends towards the Z-axis direction; the tool changing mechanism is arranged on the tool magazine and comprises a tool changing arm, a first rotating mechanism rotating around a Z axis and a first translation mechanism moving along the Z axis, and a first clamping part and a second clamping part for clamping a tool are arranged at two ends of the tool changing arm. It can be seen that this patent only allows for the replacement of the milling cutter mechanism head and is not dust-proof for the milling cutter mechanism and the table.
The milling cutter in the milling cutter mechanism is a rotary cutter for milling and machining, and the rotary cutter is provided with one or more cutter teeth, and during operation, each cutter tooth cuts the allowance of a workpiece intermittently in sequence.
At present, in actual work, the following problems exist in the processing machine tool:
1. after the milling cutter mechanism is not used for a long time, more dust can be accumulated, so that the milling cutter mechanism needs to be manually disassembled, and the working efficiency is affected;
2. when the workbench is not provided with the milling cutter mechanism, the cover plate needs to be manually installed for dust prevention, and labor is consumed;
3. the existing milling cutter is easy to break when in use and needs to be replaced after breaking, but the position of the cutter handle can not be damaged when the general milling cutter breaks, the cutter handle can be reused, the cutter handle needs to be replaced together due to the integral design, the amount of waste is large when in replacement, the use cost is increased, the existing milling cutter can not be adjusted according to the cutting diameter, the milling cutters of different types are required to be used, the use cost is increased, and the use effect is poor.
Based on the above situation, the invention provides a gantry type tool changing device for a machine tool, which can effectively solve the problems.
Disclosure of Invention
The invention aims to provide a gantry type tool changing device of a machine tool. The gantry type tool changing device of the machine tool is simple in structure and convenient to use, and the tool magazine is arranged on the machine tool, so that the automatic installation or removal of the milling cutter mechanism on the workbench is realized, the working efficiency is greatly improved, meanwhile, the movable frame is arranged, and after the milling cutter mechanism is removed, the cover plate can be installed on the workbench for dust prevention; in addition, the milling cutter solves the problems that the available positions cannot be reasonably utilized due to the fact that the amount of waste is large when the existing milling cutter is broken and replaced, and the milling cutters with different diameters cannot be adjusted due to the fact that the spare milling cutters with different diameters are needed.
The invention is realized by the following technical scheme:
a gantry type tool changing device for a machine tool, comprising:
the frame is a portal frame type frame;
the workbench is arranged on the cross beam of the gantry type frame and can move left and right on the cross beam of the gantry type frame; the workbench is provided with a clamping mechanism for installing a milling cutter mechanism or a cover plate;
the tool magazine comprises a milling cutter mechanism, a movable frame capable of moving back and forth and a movable cover plate capable of moving back and forth on the movable frame, and the milling cutter mechanism is arranged on one side of the movable frame;
the milling cutter mechanism comprises a milling cutter mounting seat and a milling cutter protecting cover; the top of the milling cutter mounting seat can be detachably connected with the workbench, the lower part of the milling cutter mounting seat is provided with a milling cutter, and the milling cutter is detachably connected with the lower part of the milling cutter mounting seat through a clamping rod; the milling cutter is positioned in the milling cutter protecting cover;
the dust box is fixedly arranged on the frame and comprises a box body and a folding door, an opening matched with the tool magazine is formed in one side of the box body, the tool magazine is arranged in the box body, L-shaped plates are arranged at the top and the bottom of the inner wall of the box body, which are positioned at the opening, the folding door is embedded between the two L-shaped plates, one end of the folding door is fixedly connected with the box body, the other end of the folding door is fixedly connected with the driving mechanism, and the folding door is matched with the opening;
the movable frame is connected to the lower part of the frame in a sliding manner, and the workbench is connected to the upper part of the frame in a sliding manner.
The invention aims to provide a gantry type tool changing device of a machine tool. The gantry type tool changing device of the machine tool is simple in structure and convenient to use, and the tool magazine is arranged on the machine tool, so that the automatic installation or removal of the milling cutter mechanism on the workbench is realized, the working efficiency is greatly improved, meanwhile, the movable frame is arranged, and after the milling cutter mechanism is removed, the cover plate can be installed on the workbench for dust prevention;
the milling cutter mechanism is designed in a matching way, the top of the milling cutter mounting seat of the milling cutter mechanism can be detachably connected with the workbench, and the milling cutter protecting cover is used for protecting the milling cutter when the milling cutter is not used, and the milling cutter protecting cover is opened when the milling cutter is used; and the milling cutter mount pad is great in size, presss from both sides when being convenient for automatic installation and gets and accurate location, and the milling cutter of being convenient for again simultaneously is convenient for change, and can form fine guard action to the milling cutter.
Preferably, the movable cover plate comprises a supporting seat, a cover plate cylinder and a cover plate slide block group, the supporting seat comprises a transverse plate and vertical plates arranged on two sides of the transverse plate, an accommodating space formed by the transverse plate and the vertical plates is larger than a part of milling cutter mechanism arranged on the outer side of the movable frame, the top of the transverse plate is provided with the cover plate, the bottom of the vertical plate is provided with the cover plate slide block group, the movable frame is provided with a cover plate guide rail, the cover plate slide block group is in sliding connection with the cover plate guide rail, the cover plate cylinder is fixedly arranged on the movable frame, and a push rod of the cover plate cylinder is fixedly connected with the movable cover plate.
Preferably, the number of the cover plate guide rails and the number of the cover plate slide block groups are two, and each cover plate guide rail is in sliding connection with the corresponding cover plate slide block group.
Preferably, the movable frame comprises a frame, a frame cylinder, a fixing frame, a frame sliding rail and a frame fixing block group, wherein the fixing frame is fixedly arranged on one side of the frame, which is close to the frame, the frame sliding rail is fixedly arranged on the fixing frame, the frame fixing block group is arranged on the frame, the frame sliding rail is slidingly connected onto the frame fixing block group, the frame cylinder is fixedly arranged on the frame, and a push rod of the frame cylinder is fixedly connected with the fixing frame.
Preferably, the frame comprises an upper supporting frame, a lower supporting frame and a supporting column, wherein the top of the supporting column is fixedly connected with the upper supporting frame, and the bottom of the supporting column is fixedly connected with the lower supporting frame.
Preferably, the number of the frame sliding rails and the frame fixing block groups is two, and each frame sliding rail is in sliding connection with the corresponding frame fixing block.
Preferably, protrusions which are convenient for clamping the workbench are arranged around the tops of the cover plate and the milling cutter mechanism.
Preferably, the milling cutter comprises a cutter bar, an adjusting bar, a cutter head, a conical head, a clamping rod and a reinforced connecting block, wherein the adjusting bar is arranged in a cavity of the cutter bar in a matched mode, the adjusting bar is connected with the cutter head in a matched mode, the cutter head is connected with the cutter bar in a sliding mode, the conical head is connected with the bottom end of the adjusting bar in a threaded mode, the top end of the adjusting bar is inserted into the clamping rod, the top end of the cutter bar is inserted into the clamping rod in a matched mode, and the reinforced connecting block is arranged at the position, connected with the cutter bar, of the clamping rod in an integrated mode.
Preferably, the bottom annular array of cutter arbor has seted up the sliding hole, the spacing hole has been seted up in the cavity of sliding hole top cutter arbor, the spliced eye has been seted up in the cavity of spacing hole top cutter arbor, annular array has seted up the connecting hole on the cutter arbor of spliced eye position department.
Preferably, the bottom annular array of adjusting the pole has seted up the adjustment tank, the cooperation is provided with the hexagonal post on adjusting the pole of adjustment tank top, the top fixedly connected with of hexagonal post adjusts the post, the cooperation cover is equipped with the lantern ring on the hexagonal post, the lantern ring sets up with spacing hole cooperation.
Preferably, the tool bit comprises a plurality of cutter body, blade and lug, fixedly connected with blade on the outer wall of cutter body, fixedly connected with lug on the inner wall of cutter body, the lug slides and pegs graft on the sliding hole, and lug and adjustment tank sliding connection set up.
Preferably, the cone head is provided with a threaded column in an integrated manner, and the threaded column is connected to the adjusting rod below the adjusting groove in a threaded manner.
Preferably, the one end bilateral symmetry of clamping lever is provided with the stationary blade, the spliced eye has been seted up to the bottom of clamping lever, the spliced eye is pegged graft with the regulation post cooperation and is set up, be provided with the plug on the clamping lever of spliced eye same end, the plug is pegged graft with the spliced eye cooperation and is set up, integrated into one piece is provided with the reinforcing connection piece on the clamping lever of plug outer ring.
Preferably, the reinforcing connecting block comprises reinforcing ring and bolt, reinforcing ring fixed connection is on the clamping rod, reinforcing ring and cutter arbor cooperation grafting setting, the cooperation is provided with the bolt on the reinforcing ring, the bolt is pegged graft with the connecting hole cooperation and is set up, and the one end threaded connection of bolt is on the plug.
According to the milling cutter, through the matching design, when the milling cutter is used in daily life, the broken part is replaced when the milling cutter is replaced, the clamping rod which is not broken and is intact can be reused, the replacement cost of the milling cutter is reduced, when the cutting diameter of the milling cutter is required to be changed through the matching design of the adjusting rod, the cutter head and the cutter rod, the cutter rod can be detached from the reinforced connecting block, the adjusting rod is rotated and adjusted after the lantern ring is taken out, the diameter of the cutter head is expanded, the caliber of the milling cutter is adjusted, the milling cutter with different diameters is not required to be used, and the use effect is improved.
Preferably, the driving mechanism comprises a motor, a threaded rod and a driving block, wherein the motor is rotationally connected with the threaded rod, the driving block is in threaded connection with the threaded rod, and the driving block is fixedly connected with the other end of the folding door.
Preferably, the L-shaped plate is provided with a dust box guide rail, the driving block is provided with a guide sliding block, and the guide sliding block is slidably connected to the dust box guide rail.
Compared with the prior art, the invention has the following advantages:
the gantry type tool changing device of the machine tool is simple in structure and convenient to use, the tool magazine is arranged on the machine tool, so that the automatic installation or the dismounting of the milling cutter mechanism of the workbench is realized, when the milling cutter mechanism is required to be installed on the workbench, a part of the framework is pushed out of the dust-proof box through the framework cylinder, the supporting seat can slide to a preset position, the clamping mechanism of the workbench can dismount the cover plate, then the supporting seat is retracted into the dust-proof box, the clamping mechanism of the workbench clamps and installs the milling cutter mechanism below, after the installation is finished, the top of the milling cutter installation seat of the milling cutter mechanism can be detachably connected with the workbench, the milling cutter protection cover is used for protecting the milling cutter when the milling cutter is not used, and the milling cutter protection cover is opened when the milling cutter protection cover is used; after the installation, the whole frame is retracted back to the dust box. The method has the following specific beneficial effects:
1. according to the invention, the milling cutter mechanism which is provided with the protection is opened by moving the workbench, and the milling cutter mechanism can be detached or installed without manual intervention, so that the process of automatically replacing the milling cutter mechanism or the cover plate is realized, and the working efficiency is greatly improved;
2. according to the invention, the workbench without the milling cutter mechanism is replaced with the mounting cover plate, so that the dustproof effect is realized, and the service life of the machine tool is prolonged;
3. the tool magazine is integrated with the milling cutter mechanism and the cover plate, has small volume and does not occupy excessive space of the machine tool;
4. due to the arrangement of the dust box, the disassembled milling cutter mechanism or cover plate can enter the dust box to realize the dust-proof effect;
5. the milling cutter mechanism is designed in a matching way, the top of the milling cutter mounting seat of the milling cutter mechanism can be detachably connected with the workbench, and the milling cutter protecting cover is used for protecting the milling cutter when the milling cutter is not used, and the milling cutter protecting cover is opened when the milling cutter is used; the milling cutter mounting seat is large in size, so that clamping and accurate positioning during automatic mounting are facilitated, the milling cutter is convenient to replace, and a good protection effect can be formed on the milling cutter;
6. according to the milling cutter, through the matching design, the milling cutter can be separated from the cutter bar and the clamping rod part, when the milling cutter is used in daily life, the milling cutter is generally broken at a high probability and can be disconnected from the cutter bar part when being replaced, the clamping rod which is not broken and is intact can be replaced at the breaking part, the milling cutter can be used again, the amount of waste during replacement of the milling cutter is reduced, the replacement cost of the milling cutter is reduced, the resource utilization rate is improved, through the matching design of the adjusting rod, the cutter head and the cutter bar, the adjusting rod can be rotated and adjusted after the lantern ring is taken out, the diameter of the cutter head can be expanded, the adjustment of the caliber of the milling cutter is realized, the milling cutter with different diameters does not need to be used, the use effect is improved, the milling cutter can be conveniently and quickly switched at right angles through the design of the conical head, the drilling is convenient to use, and the threaded connection direction of the conical head is opposite to the rotation direction of the milling cutter, so that firm connection and use can be ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the tool magazine according to the present invention;
FIG. 3 is a schematic view of a moving frame according to the present invention;
FIG. 4 is a schematic view of a movable cover plate according to the present invention;
FIG. 5 is a schematic view of the structure of the dust box according to the present invention;
FIG. 6 is a schematic view of a dust box according to another embodiment of the present invention;
fig. 7 is a partially enlarged schematic view of the structure at a in fig. 6.
FIG. 8 is a schematic view of the overall structure of the milling cutter according to the present invention;
FIG. 9 is a schematic view of the overall disassembled structure of the milling cutter according to the present invention;
FIG. 10 is a schematic view of the structure of a shank of the milling cutter according to the present invention;
FIG. 11 is a schematic view of the structure of an adjusting lever of the milling cutter according to the present invention;
fig. 12 is a schematic view of the structure of a cutter head of the milling cutter according to the present invention;
FIG. 13 is a schematic view of the structure of the bit of the milling cutter according to the present invention;
fig. 14 is a schematic structural view of a clamping rod and a reinforced connection block of the milling cutter according to the present invention.
In the figure: 1. a frame; 11. an L-shaped plate; 2. a work table; 3. a tool magazine; 31. a milling cutter mechanism; 311. a milling cutter mounting seat; 312. a milling cutter boot; 4. a dust box; 41. a case; 42. a folding door; 5. a moving frame; 51. a frame; 52. a frame cylinder; 53. a fixing frame; 54. a frame rail; 55. a frame fixing block group; 511. an upper support frame; 512. a lower support frame; 513. a support column; 6. moving the cover plate; 61. a support base; 62. a cover plate; 63. a cover plate cylinder; 64. a cover plate slider group; 65. a cover plate guide rail; 7. a protrusion; 81. a threaded rod; 82. a driving block; 83. a dust box guide rail; 84. a guide slide block; 91. a cutter bar; 9101. a sliding hole; 9102. a limiting hole; 9103. a plug hole; 9104. a connection hole; 92. an adjusting rod; 9201. an adjustment tank; 9202. hexagonal columns; 9203. an adjusting column; 9204. a collar; 93. a cutter head; 9301. a cutter body; 9302. a blade; 9303. a bump; 94. a conical head; 9401. a threaded column; 95. a clamping rod; 9501. a fixing piece; 9502. a plug-in groove; 9503. a plug; 96. reinforcing the connecting block; 9601. a reinforcing ring; 9602. and (5) a bolt.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, preferred embodiments of the present invention will be described below with reference to specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
The technical features of the frame, the workbench and the like (the constituent units/elements of the invention) in the invention are obtained from conventional commercial approaches or manufactured in a conventional manner, and the specific structure, the working principle and the control mode and the spatial arrangement mode which may be related to the technical features are all conventional choices in the field, and are not considered to be innovation points of the invention, so that those skilled in the art can understand that the invention is not further specifically expanded and detailed.
Example 1:
as shown in fig. 1 to 7, the present invention provides a gantry type tool changing device for a machine tool, comprising:
the frame is a portal frame type frame;
the workbench is arranged on the cross beam of the gantry type frame and can move left and right on the cross beam of the gantry type frame; the workbench is provided with a clamping mechanism for installing a milling cutter mechanism or a cover plate;
the gripping mechanism may be a manipulator, a mechanical arm, a robot, or the like, which are commonly used in the art, as will be understood by those skilled in the art.
The tool magazine comprises a milling cutter mechanism, a movable frame capable of moving back and forth and a movable cover plate capable of moving back and forth on the movable frame, and the milling cutter mechanism is arranged on one side of the movable frame;
the milling cutter mechanism comprises a milling cutter mounting seat and a milling cutter protecting cover; the top of the milling cutter mounting seat can be detachably connected with a workbench (such as screw connection, riveting, clamping and the like which are commonly used in the field), the milling cutter is arranged at the lower part of the milling cutter mounting seat, the milling cutter is detachably connected with the lower part of the milling cutter mounting seat through a clamping rod (such as screw connection, riveting, clamping and the like which are commonly used in the field), the clamping rod of the invention specifically stretches into the lower part of the milling cutter mounting seat, the lower part of the milling cutter mounting seat clamps the clamping rod to form a firm clamping structure, and rivet reinforcement can be added as required); the milling cutter is positioned in the milling cutter protecting cover;
the milling cutter mounting seat is positioned above the milling cutter protecting cover, and the milling cutter protecting cover is used for protecting the milling cutter when the milling cutter is not used.
The dust box is fixedly arranged on the frame and comprises a box body and a folding door, an opening matched with the tool magazine is formed in one side of the box body, the tool magazine is arranged in the box body, L-shaped plates are arranged at the top and the bottom of the inner wall of the box body, which are positioned at the opening, the folding door is embedded between the two L-shaped plates, one end of the folding door is fixedly connected with the box body, the other end of the folding door is fixedly connected with the driving mechanism, and the folding door is matched with the opening; through moving the frame in the box, when not needing to install milling cutter mechanism, the frame that moves passes the opening and withdraws into the dust-proof case, and the folding door carries out horizontal folding through actuating mechanism, realizes closing and opening the opening.
The movable frame is connected to the lower part of the frame in a sliding manner, and the workbench is connected to the upper part of the frame in a sliding manner.
Example 2:
as shown in fig. 1 to 14, the present invention provides a gantry type tool changing device for a machine tool, comprising:
the frame is a portal frame type frame;
the workbench is arranged on the cross beam of the gantry type frame and can move left and right on the cross beam of the gantry type frame; the workbench is provided with a clamping mechanism for installing a milling cutter mechanism or a cover plate;
the gripping mechanism may be a manipulator, a mechanical arm, a robot, or the like, which are commonly used in the art, as will be understood by those skilled in the art.
The tool magazine comprises a milling cutter mechanism, a movable frame capable of moving back and forth and a movable cover plate capable of moving back and forth on the movable frame, and the milling cutter mechanism is arranged on one side of the movable frame;
the milling cutter mechanism comprises a milling cutter mounting seat and a milling cutter protecting cover; the top of the milling cutter mounting seat can be detachably connected with a workbench (such as screw connection, riveting, clamping and the like which are commonly used in the field), the milling cutter is arranged at the lower part of the milling cutter mounting seat, the milling cutter is detachably connected with the lower part of the milling cutter mounting seat through a clamping rod (such as screw connection, riveting, clamping and the like which are commonly used in the field), the clamping rod of the invention specifically stretches into the lower part of the milling cutter mounting seat, the lower part of the milling cutter mounting seat clamps the clamping rod to form a firm clamping structure, and rivet reinforcement can be added as required); the milling cutter is positioned in the milling cutter protecting cover;
the dust box is fixedly arranged on the frame and comprises a box body and a folding door, an opening matched with the tool magazine is formed in one side of the box body, the tool magazine is arranged in the box body, L-shaped plates are arranged at the top and the bottom of the inner wall of the box body, which are positioned at the opening, the folding door is embedded between the two L-shaped plates, one end of the folding door is fixedly connected with the box body, the other end of the folding door is fixedly connected with the driving mechanism, and the folding door is matched with the opening;
the movable frame is connected to the lower part of the frame in a sliding manner, and the workbench is connected to the upper part of the frame in a sliding manner.
Further, remove the apron and include supporting seat, apron cylinder and apron slider group, the supporting seat includes the diaphragm and locates the riser of diaphragm both sides, just the accommodation space that diaphragm and riser formed is greater than the part milling cutter mechanism that is located the removal frame outside, the diaphragm top is equipped with the apron, the riser bottom is equipped with apron slider group, be equipped with the apron guide rail on the removal frame, apron slider group sliding connection is on the apron guide rail, the apron cylinder sets firmly on the removal frame, and the push rod of apron cylinder and removal apron fixed connection.
The cover plate cylinder is pushed and pulled by the push rod to realize the back-and-forth movement of the whole supporting seat, when the cover plate is required to be installed, the supporting seat can slide onto the milling cutter mechanism to cover the milling cutter mechanism, so that the clamping mechanism of the workbench can clamp and install the cover plate, and the workbench is dustproof. When the workbench does not work, the automatic mounting cover plate has the dustproof effect, labor is saved, and working efficiency is improved.
Further, the number of the cover plate guide rails and the number of the cover plate slide block groups are two, and each cover plate guide rail is in sliding connection with the corresponding cover plate slide block group.
By arranging two groups of cover plate guide rails and cover plate sliding block groups, the movable cover plate can slide on the movable frame more stably, and the stability of the invention is improved.
Further, the movable frame comprises a frame, a frame cylinder, a fixing frame, a frame sliding rail and a frame fixing block group, wherein the fixing frame is fixedly arranged on one side of the frame, which is close to the frame, the frame sliding rail is fixedly arranged on the fixing frame, the frame fixing block group is arranged on the frame, the frame sliding rail is slidingly connected onto the frame fixing block group, the frame cylinder is fixedly arranged on the frame, and a push rod of the frame cylinder is fixedly connected with the fixing frame.
The frame cylinder is pushed and pulled by the push rod to realize the front and back movement of the whole frame, when the milling cutter mechanism needs to be dismounted, a part of the frame reserved for mounting the milling cutter mechanism can be pushed out of the dust box, the movable cover plate can be moved backwards at the same time, the part of the frame is not shielded, and at the moment, the clamping mechanism of the workbench can dismount the milling cutter mechanism and put into the frame.
Further, the frame comprises an upper supporting frame, a lower supporting frame and a supporting column, wherein the top of the supporting column is fixedly connected with the upper supporting frame, and the bottom of the supporting column is fixedly connected with the lower supporting frame.
The upper supporting frame, the lower supporting frame and the supporting columns are combined to form a frame, so that the milling cutter mechanism can be placed, and the guide rail can be arranged on the frame, thereby facilitating the movement of the movable cover plate.
Further, the number of the frame sliding rails and the number of the frame fixing block groups are two, and each frame sliding rail is in sliding connection with the corresponding frame fixing block.
The two groups of frame sliding rails and the frame fixing block groups are arranged, so that the movable frame can slide on the frame more stably, and the stability of the invention is improved.
Further, protrusions which are convenient for clamping the workbench are arranged around the top of the cover plate and the milling cutter mechanism.
The bulges on the cover plate and the milling cutter mechanism are matched with the clamping mechanism of the workbench, so that the clamping mechanism can clamp and install the cover plate and the milling cutter mechanism on the workbench conveniently.
Further, as shown in fig. 7-14, the milling cutter comprises a cutter bar, an adjusting rod, a cutter head, a conical head, a clamping rod and a reinforced connecting block, when the milling cutter is used for breaking, the milling cutter is broken from a cutter handle generally, so that when the milling cutter is replaced, the undamaged cutter handles are required to be replaced together, the amount of waste is increased, and the use cost is increased. Thereby increasing the diameter of the milling cutter, improving the using effect, needing not to reserve milling cutters with more different diameters, being capable of conveniently switching the milling cutter between a right-angle milling cutter and an end milling cutter through the design of a conical head, improving the practical effect, being provided with an adjusting rod in the cavity of a cutter bar in a matched manner, the adjusting rod is connected with a cutter head in a matched manner, the cutter head is connected with the cutter bar in a sliding manner, when the diameter of the milling cutter is adjusted, the collar is taken down from a hexagonal column, the collar at the moment can be separated from and inserted into a limiting hole, the adjusting rod can rotate in the cavity of the cutter bar through rotating an adjusting column, as the protruding block on the cutter body is in an oblique arc design in the adjusting groove, when the adjusting rod rotates, the protruding block slides in the adjusting groove due to the oblique arc design along with a groove line, when the adjusting column rotates anticlockwise, the protruding block is matched and slidingly connected in the sliding hole, the protruding block can be outwards propped up, so that the aim of outwards expanding the cutter head is realized, the situation is opposite when the cutter head rotates clockwise, after the adjustment is finished, the lantern ring is sleeved on the hexagonal column again, the lantern ring is matched and inserted in the limiting hole at the moment, the adjusting rod loses the rotating effect, the diameter adjustment of the milling cutter is finished, the cutter arbor is arranged on the clamping rod for use, the bottom end of the adjusting rod is in threaded connection with the conical head, the initial state of the milling cutter is a right-angle milling cutter, when the milling cutter needs to be converted into the milling cutter, the conical head is in threaded connection with the adjusting rod, the threaded connection direction of the threaded column is opposite to the rotating direction of the milling cutter, through connection, the use effect of the end milling cutter can be realized, the conical head cannot be separated when the milling cutter rotates for use, and the use requirement is met, the top of the adjusting rod is inserted on the clamping rod, the top of the cutter bar is inserted with the clamping rod in a matched manner, a reinforcing connecting block is integrally formed at the position, connected with the cutter bar, of the clamping rod, when the cutter bar and the adjusting rod are connected on the clamping rod, the reinforcing ring is inserted on the plug in a matched manner through the insertion hole, the reinforcing ring is sleeved on the outer side of the cutter bar, the adjusting column is inserted in the insertion groove in a matched manner, the adjusting column is inserted in the connecting hole in a matched manner through the bolt, the milling cutter can be connected, the strength of the connecting position can be improved through the design of the reinforcing connecting block, the using effect of the milling cutter is ensured, the milling cutter is generally disconnected from the cutter point and the cutter handle position when the milling cutter is broken, the milling cutter corresponding to the scheme is replaced at the two positions of the cutter bar and the clamping rod according to the breaking of the cutter bar or the clamping rod, the waste amount during the milling cutter replacement is reduced, and the use cost for replacement is reduced, the improvement result of use, this scheme's milling cutter is because the design demand, and the whole size is great, just can satisfy the rigid connection result of use of each position department, and the uncomfortable uses on the milling cutter of minor diameter, ensures can not lead to bulk strength to lose owing to the design of multipart, and the milling cutter of this scheme design satisfies the user demand, improves the result of use.
Further, as shown in fig. 10, the annular array at the bottom end of the cutter bar is provided with a sliding hole, the cavity of the cutter bar above the sliding hole is provided with a limiting hole, the cavity of the cutter bar above the limiting hole is provided with a plug hole, the annular array on the cutter bar at the position of the plug hole is provided with a connecting hole, the design of the cutter bar meets the use requirement, the whole use effect of the milling cutter is ensured, and the whole connection use is ensured.
Further, as shown in fig. 11, the adjusting groove is formed in the annular array at the bottom of the adjusting rod, a hexagonal column is arranged on the adjusting rod above the adjusting groove in a matched mode, the adjusting column is fixedly connected to the top of the hexagonal column, a lantern ring is sleeved on the hexagonal column in a matched mode, the lantern ring is matched with the limiting hole in a matched mode, and the adjusting rod is designed to be used for adjusting the cutter head and meets the use requirements.
Further, as shown in fig. 12, in some embodiments, the cutter head is composed of a plurality of cutter bodies, blades and protruding blocks, the blades are fixedly connected to the outer walls of the cutter bodies, the protruding blocks are fixedly connected to the inner walls of the cutter bodies and are slidably inserted into the sliding holes, the protruding blocks are slidably connected with the adjusting grooves, and the design of the cutter head can be matched with the adjusting rods to adjust the diameters, so that the use and adjustment requirements of different diameters are met.
Further, as shown in fig. 13, the cone head is provided with a threaded column integrally formed, the threaded column is connected to the adjusting rod below the adjusting groove in a threaded manner, the cone head is convenient for enabling the milling cutter to be switched between the right-angle milling cutter and the end milling cutter for use, and the requirements of different use conditions are met.
Further, as shown in fig. 14, fixing pieces are symmetrically arranged at two sides of one end of the clamping rod, a plugging groove is formed in the bottom end of the clamping rod, the plugging groove is matched with the adjusting column for plugging, a plug is arranged on the clamping rod at the same end of the plugging groove, the plug is matched with the plugging hole for plugging, a reinforcing connection block is arranged on the clamping rod of the outer ring of the plug in an integrated manner, the design of the clamping rod meets the installation and use requirements of the milling cutter, firm installation on a cutting machine is ensured, and meanwhile, the connection strength with the cutter rod is improved.
Further, as shown in fig. 14, the reinforced connection block is composed of a reinforced ring and a bolt, the reinforced ring is fixedly connected to the clamping rod, the reinforced ring is matched with the cutter bar for insertion, the reinforced ring is provided with a bolt in a matched mode, the bolt is matched with the connection hole for insertion, one end of the bolt is in threaded connection with the plug, the design of the reinforced connection block is improved, the connection strength of the clamping rod and the cutter bar is improved, and the clamping rod and the cutter bar are convenient to disassemble and use.
Further, the driving mechanism comprises a motor, a threaded rod and a driving block, wherein the motor is rotationally connected with the threaded rod, the driving block is in threaded connection with the threaded rod, and the driving block is fixedly connected with the other end of the folding door.
The motor drives the threaded rod to rotate, and the driving block moves back and forth under the rotation of the threaded rod, so that the folding door is driven to open and close, and the folding door is opened and closed in the only space of the machine tool.
Further, a dust box guide rail is arranged on the L-shaped plate, and a guide sliding block is arranged on the driving block and is connected to the dust box guide rail in a sliding manner.
The dust box guide rail is matched with the guide sliding block, so that the folding door can slide on the L-shaped plate more smoothly, and the situation that the vertical travel of the folding door is inconsistent is avoided.
The working principle of one embodiment of the invention is as follows:
when the milling cutter mechanism needs to be dismounted, a part of frame reserved for mounting the milling cutter mechanism is pushed out of the dust box through a frame cylinder, meanwhile, the movable cover plate can move backwards, the part of frame is not shielded, and at the moment, the clamping mechanism of the workbench can dismount the milling cutter mechanism and put into the frame. At this time, the supporting seat can slide onto the milling cutter mechanism to cover the milling cutter mechanism, so that the clamping mechanism of the workbench can clamp and install the cover plate to prevent dust on the workbench. Finally, the whole frame is returned back to the dust-proof box to prevent dust on the milling cutter mechanism and the like.
When the workbench needs to be provided with the milling cutter mechanism, part of the framework is pushed out of the dust-proof box through the framework cylinder, the supporting seat can slide to a preset position, the clamping mechanism of the workbench can detach the cover plate, then the supporting seat returns back into the dust-proof box, the clamping mechanism of the workbench clamps and installs the milling cutter mechanism below, after the installation is finished, the top of the milling cutter mounting seat of the milling cutter mechanism can be detachably connected with the workbench, and the milling cutter protection cover is used for protecting the milling cutter when the milling cutter is not used, and the milling cutter protection cover can be opened when the milling cutter is used. After the installation, the whole frame is retracted back to the dust box.
Unless specifically stated otherwise, in the present invention, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional relationship indicated is based on the positional relationship indicated in the drawings, and is merely for convenience of describing the present invention and simplifying the description, and it is not necessary to indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationship in the present invention are merely for exemplary illustration and should not be construed as limitations of the present patent, and it is possible for those skilled in the art to understand the specific meaning of the above terms in conjunction with the drawings and according to the specific circumstances.
Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The above description is merely of the preferred embodiments of the present invention, and the present invention is not limited in any way, but any simple modification and equivalent changes of the above embodiments according to the technical matters of the present invention fall within the scope of the present invention 。
Claims (9)
1. A gantry type tool changing device for a machine tool, comprising:
the frame is a portal frame type frame;
the workbench is arranged on the cross beam of the gantry type frame and can move left and right on the cross beam of the gantry type frame; the workbench is provided with a clamping mechanism for installing a milling cutter mechanism or a cover plate;
the tool magazine comprises a milling cutter mechanism, a movable frame capable of moving back and forth and a movable cover plate capable of moving back and forth on the movable frame, and the milling cutter mechanism is arranged on one side of the movable frame; the milling cutter is positioned in the milling cutter protecting cover;
the milling cutter mechanism comprises a milling cutter mounting seat and a milling cutter protecting cover; the top of the milling cutter mounting seat can be detachably connected with the workbench, the lower part of the milling cutter mounting seat is provided with a milling cutter, and the milling cutter is detachably connected with the lower part of the milling cutter mounting seat through a clamping rod;
the dust box is fixedly arranged on the frame and comprises a box body and a folding door, an opening matched with the tool magazine is formed in one side of the box body, the tool magazine is arranged in the box body, L-shaped plates are arranged at the top and the bottom of the inner wall of the box body, which are positioned at the opening, the folding door is embedded between the two L-shaped plates, one end of the folding door is fixedly connected with the box body, the other end of the folding door is fixedly connected with the driving mechanism, and the folding door is matched with the opening;
the movable frame is connected to the lower part of the frame in a sliding manner, and the workbench is connected to the upper part of the frame in a sliding manner;
the milling cutter comprises a cutter bar, an adjusting rod, a cutter head, a conical head, a clamping rod and a reinforced connecting block, wherein the adjusting rod is arranged in a cavity of the cutter bar in a matched mode, the adjusting rod is connected with the cutter head in a matched mode, the cutter head is connected with the cutter bar in a sliding mode, the conical head is connected to the bottom end of the adjusting rod in a threaded mode, the top end of the adjusting rod is inserted into the clamping rod in a matched and inserted mode, and the reinforced connecting block is integrally formed at the position, connected with the cutter bar, of the clamping rod;
the bottom end annular array of the cutter bar is provided with a sliding hole, a limiting hole is formed in a cavity of the cutter bar above the sliding hole, a plug hole is formed in the cavity of the cutter bar above the limiting hole, and the cutter bar at the position of the plug hole is provided with a connecting hole in an annular array;
the bottom annular array of the adjusting rod is provided with an adjusting groove, a hexagonal column is matched and arranged on the adjusting rod above the adjusting groove, the top of the hexagonal column is fixedly connected with an adjusting column, a lantern ring is matched and sleeved on the hexagonal column, and the lantern ring is matched and arranged with the limiting hole;
the cutter head consists of a plurality of cutter bodies, blades and lugs, the blades are fixedly connected to the outer walls of the cutter bodies, the lugs are fixedly connected to the inner walls of the cutter bodies, the lugs are slidably inserted into the sliding holes, and the lugs are slidably connected with the adjusting grooves;
the cone head is integrally provided with a threaded column which is in threaded connection with an adjusting rod below the adjusting groove;
fixing pieces are symmetrically arranged at two sides of one end of the clamping rod, a plug-in groove is formed in the bottom end of the clamping rod, the plug-in groove is matched with the adjusting column for plug-in connection, a plug is arranged on the clamping rod at the same end of the plug-in groove, the plug is matched with the plug-in hole for plug-in connection, and a reinforcing connecting block is integrally formed on the clamping rod of the outer ring of the plug;
the reinforcing connecting block comprises a reinforcing ring and bolts, the reinforcing ring is fixedly connected to the clamping rods, the reinforcing ring is matched and spliced with the cutter bar, the bolts are arranged on the reinforcing ring in a matched mode, the bolts are matched and spliced with the connecting holes, and one ends of the bolts are connected to the plug in a threaded mode.
2. The gantry machine tool changing apparatus according to claim 1, wherein: the movable cover plate comprises a supporting seat, a cover plate cylinder and a cover plate slider group, wherein the supporting seat comprises a transverse plate and vertical plates arranged on two sides of the transverse plate, the accommodating space formed by the transverse plate and the vertical plates is larger than a part milling cutter mechanism arranged on the outer side of the movable frame, the top of the transverse plate is provided with a cover plate, the bottom of the vertical plate is provided with the cover plate slider group, the movable frame is provided with a cover plate guide rail, the cover plate slider group is in sliding connection with the cover plate guide rail, the cover plate cylinder is fixedly arranged on the movable frame, and a push rod of the cover plate cylinder is fixedly connected with the movable cover plate.
3. The gantry machine tool changing apparatus according to claim 2, wherein: the number of the cover plate guide rails and the number of the cover plate slide block groups are two, and each cover plate guide rail is in sliding connection with the corresponding cover plate slide block group.
4. The gantry machine tool changing apparatus according to claim 1, wherein: the movable frame comprises a frame, a frame cylinder, a fixing frame, a frame sliding rail and a frame fixing block group, wherein the fixing frame is fixedly arranged on one side of the frame, which is close to the frame, the frame sliding rail is fixedly arranged on the fixing frame, the frame fixing block group is arranged on the frame, the frame sliding rail is slidingly connected onto the frame fixing block group, the frame cylinder is fixedly arranged on the frame, and a push rod of the frame cylinder is fixedly connected with the fixing frame.
5. The gantry machine tool changing apparatus according to claim 4, wherein: the frame comprises an upper supporting frame, a lower supporting frame and supporting columns, wherein the tops of the supporting columns are fixedly connected with the upper supporting frame, and the bottoms of the supporting columns are fixedly connected with the lower supporting frame.
6. The gantry machine tool changing apparatus according to claim 4, wherein: the number of the frame sliding rails and the number of the frame fixing block groups are two, and each frame sliding rail is in sliding connection with the corresponding frame fixing block.
7. The gantry machine tool changing apparatus according to claim 2, wherein: protrusions which are convenient for clamping the workbench are arranged around the top of the cover plate and the milling cutter mechanism.
8. The gantry machine tool changing apparatus according to claim 1, wherein: the driving mechanism comprises a motor, a threaded rod and a driving block, wherein the motor is rotationally connected with the threaded rod, the driving block is in threaded connection with the threaded rod, and the driving block is fixedly connected with the other end of the folding door.
9. The gantry machine tool changing apparatus according to claim 8, wherein: the L-shaped plate is provided with a dust box guide rail, the driving block is provided with a guide slide block, and the guide slide block is slidably connected to the dust box guide rail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211594669.9A CN115971941B (en) | 2022-12-13 | 2022-12-13 | Portal frame type tool changing device of machine tool |
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| CN202211594669.9A CN115971941B (en) | 2022-12-13 | 2022-12-13 | Portal frame type tool changing device of machine tool |
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| CN115971941A CN115971941A (en) | 2023-04-18 |
| CN115971941B true CN115971941B (en) | 2023-10-10 |
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| CN202211594669.9A Active CN115971941B (en) | 2022-12-13 | 2022-12-13 | Portal frame type tool changing device of machine tool |
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| CN116618723A (en) * | 2023-06-10 | 2023-08-22 | 南通神州光学仪器有限公司 | Reciprocating type multi-head milling machine |
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