CN210499393U

CN210499393U - Combined machining center

Info

Publication number: CN210499393U
Application number: CN201921337632.1U
Authority: CN
Inventors: 王国金
Original assignee: Quanzhou Chuangjia Automation Equipment Co ltd
Current assignee: Quanzhou Chuangjia Automation Equipment Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-12
Anticipated expiration: 2029-08-16

Abstract

The utility model provides a compact structure, convenient to use, the tool changing mode is simple and can carry out the combined machining center of two-way processing to the work piece simultaneously, the utility model discloses the solution of taking is composite machining center, including frame, workstation and main shaft, the frame includes mutually perpendicular and be the crossing crossbearer of cross and indulge the frame, the workstation slide set up in indulge the front end of frame, the rear end of indulging the frame slides and is provided with the tool magazine, the main shaft is two, two the main shaft corresponds the both sides of indulging the frame respectively the activity set up in on the crossbearer, the crossbearer with indulging the frame and being hollow structure, the both sides wall of indulging the frame all sets up the poling, the crossbearer passes the poling and with it is even as an organic whole to indulge the frame, the slope reinforcing plate has been linked firmly to the other end by its one.

Description

Combined machining center

Technical Field

The utility model relates to a combined machining center.

Background

Machining centers have evolved from numerically controlled milling machines. The numerical control milling machine is different from a numerical control milling machine in that the machining center has the capability of automatically exchanging machining tools, and the machining tools on the main shaft can be changed through the automatic tool changing device in one-time clamping by installing tools with different purposes on the tool magazine, so that multiple machining functions are realized.

In the prior art, a machining center is divided into a vertical type machining center, a horizontal type machining center and a gantry crane type machining center, and a main shaft is arranged on each machining center, so that only one-side machining can be realized, after one side of a workpiece is machined, the other side of the workpiece is machined by reversing through a clamp, and therefore the machining of two sides of the workpiece cannot be realized simultaneously, and the machining efficiency is low. Simultaneously, machining center's tool changing all realizes automatic tool changing through tool magazine and the manipulator on the machining center, and the tool magazine that can realize automatic tool changing on the market is disc tool magazine and chain tool magazine mostly, and the extension is installed the tool change arm in the tool magazine in the rotation, realizes getting the sword and the tool changing process through the tool change arm, and this kind of tool changing mode operation is complicated, and the step is loaded down with trivial details, and the structure in the tool magazine is complicated simultaneously, and use cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a compact structure, convenient to use, the tool changing mode is simple and can carry out the combined machining center of two-way processing to the work piece simultaneously.

In order to realize the technical problem, the utility model discloses the solution that takes is compound machining center, including frame, workstation and main shaft, the frame includes mutually perpendicular and be criss-cross crossing crossbearer and vertical frame, the workstation slide set up in the front end of vertical frame, the rear end of vertical frame slides and is provided with the tool magazine, the main shaft is two, two the main shaft corresponds the both sides of vertical frame are the activity respectively set up in on the crossbearer.

The further improvement is that: the crossbearer with indulge the frame and be hollow structure, the wall of both sides of indulging the frame is all seted up and is worn the groove, the crossbearer pass wear the groove and with indulge the frame even as an organic whole, the slope reinforcing plate has been linked firmly to the other end by its one end in the crossbearer, the bottom interval of slope reinforcing plate has linked firmly the second reinforcing plate, the interval is provided with a plurality of first reinforcing plates in the crossbearer, every set up the centre bore on the first reinforcing plate.

The further improvement is that: the vertical frame is provided with a vertical shaft, the vertical shaft is provided with a vertical driving device, the vertical shaft is provided with a transverse sliding device, the vertical driving device is used for driving the vertical shaft to slide transversely, the main shaft is arranged on the vertical frame in a sliding mode along the vertical direction, and the main shaft is arranged between the vertical shaft and the vertical frame and is used for driving the main shaft to slide along the vertical direction.

The further improvement is that: the first driving device comprises a first lead screw rotatably installed on the cross frame, a first motor is arranged on the cross frame and connected with the first lead screw, and a threaded seat is arranged on the vertical frame and used for the first lead screw to penetrate through.

The further improvement is that: the third driving device comprises a third lead screw rotatably installed on the vertical frame, a third motor is fixedly connected to the top of the vertical frame, the third motor is connected with the third lead screw, the vertical frame is provided with a spindle seat in a sliding mode in the vertical direction, a threaded hole is formed in the spindle seat and used for the third lead screw to penetrate through, and the spindle is arranged on the spindle seat.

The further improvement is that: the spindle seat with set up flexible apron between the grudging post, flexible apron is established and slidable connection's flexible festival board is constituteed by a plurality of mutual covers, is located the flexible festival board of the top with the bottom of spindle seat is connected, is located the flexible festival board of below with the grudging post links firmly.

The further improvement is that: the tool magazine comprises a shell, two rows of tool rests used for placing the tool bodies are arranged on the front end face of the shell, and the two rows of tool rests are arranged along the two sides of the front end face of the shell in the vertical direction.

The further improvement is that: and a plurality of tool clamping grooves are symmetrically formed in the two rows of tool holders respectively.

The further improvement is that: the front end face of the shell is provided with a front end cover in a sliding mode along the vertical direction, and a fifth driving device used for driving the front end cover to slide is arranged between the shell and the front end cover.

The further improvement is that: the fifth driving device is a second cylinder which is fixedly connected to the back face of the shell, and the top of the front end cover is connected with a telescopic rod of the second cylinder.

By adopting the technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses simple structure, convenient to use, the frame includes mutually perpendicular and is the crossing crossbearer of cross and indulges the frame, the crossbearer corresponds indulges a both sides activity respectively and is provided with the main shaft to realize the double-sided processing of work, improve the operating efficiency.

2. The cross frame and the longitudinal frame are of hollow structures, the two side walls of the longitudinal frame are provided with through grooves, the cross frame penetrates through the through grooves and is connected with the longitudinal frame into a whole, the inclined reinforcing plates are fixedly connected to the other end of the inside of the cross frame from one end of the cross frame, the second reinforcing plates are fixedly connected to the bottom of the inclined reinforcing plates at intervals, a plurality of first reinforcing plates are arranged in the cross frame at intervals, a central hole is formed in each first reinforcing plate, the overall performance and the structural strength of the rack are improved through the hollow and cross-shaped integrated rack design, all the components in the rack can reach a stable state easily when running, machining errors are reduced, and meanwhile, workers can easily enter the rack through the hollow design of the cross frame and the longitudinal frame, so that the assembling, overhauling and maintaining operations of all the components are completed.

3. The tool magazine is simple in structure, during tool changing, tool unloading, tool taking and tool changing processes are achieved through spindle action, a tool changing arm is not required to be additionally arranged, the difficulty of tool changing operation is reduced, tool changing steps are reduced, integrated control and management are achieved, and use and maintenance cost is greatly reduced.

4. The tool magazine is provided with a front end cover in a sliding mode, so that the tool body is effectively protected.

Drawings

Fig. 1 is a schematic structural diagram of a combined machining center according to an embodiment of the present invention.

Fig. 2 is a perspective view of a frame of the combined machining center according to an embodiment of the present invention.

Fig. 3 is a top view of the frame of the combined machining center according to the embodiment of the present invention.

Fig. 4 is a perspective view of a vertical frame of the combined machining center according to the embodiment of the present invention.

Fig. 5 is a front view of the upright frame of the combined machining center according to the embodiment of the present invention.

Fig. 6 is a perspective view of a tool magazine of the combined machining center according to an embodiment of the present invention.

Fig. 7 is a schematic view of the cutter body of the combined machining center according to the embodiment of the present invention.

Fig. 8 is an installation schematic diagram of the cylinder of the combined machining center in the tool magazine according to the embodiment of the present invention.

Fig. 9 is a sectional view of the main shaft of the combined machining center according to the embodiment of the present invention.

Fig. 10 is a schematic structural view of a cutter body of a combined machining center according to an embodiment of the present invention.

Fig. 11 is a cross-sectional view of a longitudinal frame of a combined machining center according to an embodiment of the present invention.

Fig. 12 is a cross-sectional view of a cross frame of a combined machining center according to an embodiment of the present invention.

In the figure: the tool comprises a frame 10, a transverse frame 11, a first slide rail 111, a first screw rod 112, a first reinforcing plate 113, a central hole 114, a longitudinal frame 12, a second slide rail 121, a first air cylinder 122, a second screw rod 123, an inclined reinforcing plate 124, a second reinforcing plate 125, a through groove 126, a spindle 20, a tool striking rod 201, a claw 202, a tool shank groove 203, a spindle seat 21, a tool striking cylinder 22, a vertical frame 23, a telescopic cover plate 24, a third screw rod 25, a third slide rail 26, a third motor 27, a tool magazine 30, a front end cover 31, a second air cylinder 32, a tool rest 33, a tool body 34, a pull nail 341, a tool shank 342, a tool head 343, a shell 35 and a workbench 40.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

Example (b):

referring to fig. 1 and 2, the embodiment of the present invention discloses a combined machining center, which includes a frame 10, a workbench 40 and two spindles 20, wherein the frame 10 includes a horizontal frame 11 and a vertical frame 12 that are perpendicular to each other and cross-shaped, referring to fig. 11 and 12, the horizontal frame 11 and the vertical frame 12 are both hollow structures, both side walls of the vertical frame 12 are respectively provided with a through slot 126, the horizontal frame 11 passes through the through slot 126 and is connected with the vertical frame 12 into a whole, an inclined reinforcing plate 124 is fixedly connected to the horizontal frame 11 from one end to the other end thereof, the bottom of the inclined reinforcing plate 124 is fixedly connected with a second reinforcing plate 125 at an interval, a plurality of first reinforcing plates 113 are arranged at intervals in the horizontal frame 11, each first reinforcing plate 113 is provided with a central hole 114, and designed by the hollow and cross-shaped integrated frame 10, so as to improve the overall performance and structural strength of the frame 10, make each part on the frame 10 reach steady state more easily when moving, reduce machining error, the interior cavity design of crossbearer 11 and vertical frame 12 can make the staff very light get into in the frame 10 simultaneously to accomplish the equipment of each part, overhaul and maintain the operation.

Indulge and to be provided with second slide rail 121 on the frame 12 fixedly, there are two sets of sliders on the second slide rail 121 respectively slidable mounting, are located indulge frame 12 front end the slider with workstation 40 fixed connection, indulge and to rotate on the frame 12 and install second lead screw 123, indulge and be fixed with second motor (not shown in the figure) on the frame 12, the second motor with second lead screw 123 is connected, 40 bottoms of workstation are equipped with the screw hole confession of second lead screw 123 is located indulge frame 12 rear end fixed mounting has tool magazine 30 on the slider, indulge the rear end fixed mounting of frame 12 and have first cylinder 122, first cylinder 122's telescopic link with tool magazine 30 connects.

Referring to fig. 6, 7 and 8, the tool magazine 30 includes a housing 35, two rows of tool holders 33 are arranged on the front end surface of the housing 35, the two rows of tool holders 33 are arranged along the vertical direction on two sides of the front end surface of the housing 35, a plurality of tool clamping grooves are symmetrically formed in the two rows of tool holders 33 respectively, an opening for the tool body 34 to enter and exit is formed in the front end of each tool clamping groove, the tool body 34 is placed in each tool clamping groove, the tool body 34 includes a tool shank 342, one end of the tool shank 342 is fixedly connected with a pull nail 341, and the other end of the tool shank 342 is fixedly connected with tool bits 343 of different models.

In order to protect the cutter body 34 and the cutter holder 33, a front end surface of the housing 35 is slidably provided with a front end cover 31 along a vertical direction, a second cylinder 32 is fixedly mounted on a back surface of the housing 35, and a top of the front end cover 31 is connected with an expansion link of the second cylinder 32.

Referring to fig. 1-5, the portable crane further includes two vertical frames 23, a first slide rail 111 is fixedly mounted on the horizontal frame 11, the two vertical frames 23 are respectively slidably mounted on the first slide rail 111 through a slide block, the two vertical frames 23 are respectively located on two sides of the vertical frame 12, the horizontal frame 11 is respectively rotatably mounted with two first lead screws 112, the horizontal frame 11 is respectively fixedly mounted with two first motors (not shown in the figure), the first motors are connected with the first lead screws 112, and the two vertical frames 23 are respectively provided with a screw seat for the corresponding side to pass through the first lead screws 112.

The utility model discloses a tool setting device, including a stand 23, a spindle seat 21, a third lead screw 25, a third motor 27, a third lead screw 25, a threaded hole, a rotor shaft (not shown in the figure), a tool setting bar 201, one end of the tool setting bar 201 extending to the outer side of the spindle 20, a tool setting handle 22, a groove 342, and a groove 203 are arranged at one end of the spindle 20, which is far away from the tool setting bar 22, one end of the striking bar 201 inside the main shaft 20 is provided with a claw 202.

In order to prevent that the piece that produces from adding man-hour from getting into grudging post 23 in, spindle drum 21 with set up telescopic cover plate 24 between the grudging post 23, telescopic cover plate 24 is established and slidable connection's flexible festival board is constituteed by a plurality of mutual covers, be located the flexible festival board of the top with spindle drum 21's bottom is connected, be located the flexible festival board of below with grudging post 23 links firmly.

When a workpiece needs to be machined, the workpiece special fixture is fixedly mounted on the workbench 40, the workbench 40 is driven by the second motor to slide backwards between the two vertical frames 23, the two third motors 27 respectively drive the spindle bases 21 on the two sides to slide on the vertical frames 23, so that the heights of the spindles 20 on the two sides are adjusted, the two first motors respectively drive the two vertical frames 23 to slide towards one side close to the workbench 40, meanwhile, the spindle 20 motor drives the tool bit 343 on the spindle 20 to rotate, the workpiece is machined, and the tool bit 343 on the spindle 20 is driven by the first motor and the third motor 27 to feed or retract.

When tool changing is needed, the workbench 40 slides forward to an initial position, the first cylinder 122 drives the tool magazine 30 to slide forward along the longitudinal frame 12 to a position between the two vertical frames 23, the second cylinder 32 drives the front end cover 31 to slide upward, so that the tool body 34 is exposed, the vertical frames 23 on the two sides slide toward the tool magazine 30, the spindle bases 21 simultaneously adjust the height, so that the current tool body is as high as the empty clamping tool slot on the tool rest 33, the current tool bodies on the spindles 20 on the two sides just clamp into the empty clamping tool slot while the tool magazine 30 slides forward, the unclamping cylinder 22 drives the unclamping tool bar 201 to slide inward, so that the clamping jaws 202 are unclamped, when the clamping jaws 202 are unclamped, the pull nails 341 are disengaged from the clamping jaws 202, so that the current tool body is released, after the current tool holder 343 is released, the vertical frames 23 on the two sides slide outward, so that the current tool body 342 exits from the tool slot 203, therefore, the tool unloading operation of the current tool bit 343 is completed, the height of the spindle seat 21 is adjusted by the third motor 27, the height of the spindle 20 is made to be consistent with the height of the tool body to be replaced, the vertical frames 23 on the two sides slide inwards, the tool shank 342 groove 203 in the spindle 20 is buckled into the tool shank 342 of the tool body to be replaced, meanwhile, the rivet 341 of the tool body to be replaced is inserted into the clamping jaw 202, the unclamping cylinder 22 drives the unclamping rod 201 to slide outwards, so that the clamping jaw 202 contracts and clamps the rivet 341, the tool changing is completed, after the tool changing is completed, the tool magazine 30 returns to the initial position, the workbench 40 slides backwards to a position between the two vertical frames 23, and the machining operation is continued.

Modifications and variations of the present invention are within the scope of the claims and are not limited by the disclosure of the embodiments.

Claims

1. The utility model provides a combined machining center, includes frame, workstation and main shaft, its characterized in that: the frame includes mutually perpendicular and is criss-cross crossing crossbearer and indulges the frame, the workstation slide set up in indulge the front end of frame, the rear end of indulging the frame slides and is provided with the tool magazine, the main shaft is two, two the main shaft corresponds indulge the both sides of frame move about respectively set up in on the crossbearer.

2. The compound machining center of claim 1, wherein: the crossbearer with indulge the frame and be hollow structure, the wall of both sides of indulging the frame is all seted up and is worn the groove, the crossbearer pass wear the groove and with indulge the frame even as an organic whole, the slope reinforcing plate has been linked firmly to the other end by its one end in the crossbearer, the bottom interval of slope reinforcing plate has linked firmly the second reinforcing plate, the interval is provided with a plurality of first reinforcing plates in the crossbearer, every set up the centre bore on the first reinforcing plate.

3. The compound machining center of claim 1, wherein: the vertical frame is provided with a vertical shaft, the vertical shaft is provided with a vertical driving device, the vertical shaft is provided with a transverse sliding device, the vertical driving device is used for driving the vertical shaft to slide transversely, the main shaft is arranged on the vertical frame in a sliding mode along the vertical direction, and the main shaft is arranged between the vertical shaft and the vertical frame and is used for driving the main shaft to slide along the vertical direction.

4. The compound machining center of claim 3, wherein: the first driving device comprises a first lead screw rotatably installed on the cross frame, a first motor is arranged on the cross frame and connected with the first lead screw, and a threaded seat is arranged on the vertical frame and used for the first lead screw to penetrate through.

5. The compound machining center of claim 3, wherein: the third driving device comprises a third lead screw rotatably installed on the vertical frame, a third motor is fixedly connected to the top of the vertical frame, the third motor is connected with the third lead screw, the vertical frame is provided with a spindle seat in a sliding mode in the vertical direction, a threaded hole is formed in the spindle seat and used for the third lead screw to penetrate through, and the spindle is arranged on the spindle seat.

6. The compound machining center of claim 5, wherein: the spindle seat with set up flexible apron between the grudging post, flexible apron is established and slidable connection's flexible festival board is constituteed by a plurality of mutual covers, is located the flexible festival board of the top with the bottom of spindle seat is connected, is located the flexible festival board of below with the grudging post links firmly.

7. The compound machining center of claim 1, wherein: the tool magazine comprises a shell, two rows of tool rests used for placing the tool bodies are arranged on the front end face of the shell, and the two rows of tool rests are arranged along the two sides of the front end face of the shell in the vertical direction.

8. The compound machining center of claim 7, wherein: a plurality of tool clamping grooves are symmetrically formed in the two rows of tool holders respectively, and openings for the tool bodies to enter and exit are formed in the front ends of the tool clamping grooves.

9. The compound machining center of claim 7, wherein: the front end face of the shell is provided with a front end cover in a sliding mode along the vertical direction, and a fifth driving device used for driving the front end cover to slide is arranged between the shell and the front end cover.

10. The compound machining center of claim 9, wherein: the fifth driving device is a second cylinder which is fixedly connected to the back face of the shell, and the top of the front end cover is connected with a telescopic rod of the second cylinder.