CN210549466U - Drilling and milling exchange mechanism of numerical control machine tool - Google Patents

Drilling and milling exchange mechanism of numerical control machine tool Download PDF

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Publication number
CN210549466U
CN210549466U CN201921191660.7U CN201921191660U CN210549466U CN 210549466 U CN210549466 U CN 210549466U CN 201921191660 U CN201921191660 U CN 201921191660U CN 210549466 U CN210549466 U CN 210549466U
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China
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main shaft
lead screw
sliding
seat
machine tool
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CN201921191660.7U
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Chinese (zh)
Inventor
禤国星
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Dongguan Taili Cnc Machinery Co ltd
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Dongguan Taili Cnc Machinery Co ltd
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Abstract

The utility model relates to a digit control machine tool brill in deep hole drilling machine tool accessory field mills exchange mechanism, including main shaft casting, main shaft and being used for driving main shaft pivoted spindle motor, the vertical symmetry in both sides of main shaft casting is provided with the slide, is equipped with on the main shaft casting to be used for driving the slide and carries out the lead screw drive assembly that goes up and down the activity, is equipped with the guide holder between the bottom of two slides, and the middle part of guide holder is equipped with the uide bushing that is used for the auxiliary stay rifle to bore. The uide bushing is detachable construction, when needs convert to and mill the function, directly dismantle the uide bushing, will leave sufficient space behind the dismantlement uide bushing and give milling cutter work, accessible screw drive subassembly drives the slide and rises to the highest safe point, the tool bit can pass the guide holder and mill the function, overall structure is simple compact, can regard as a CNC lathe during normal work, can realize drilling and milling and attack tooth in an organic whole, when some deep hole is difficult to add man-hour, can directly switch over to deep hole processing mode and process, exchange fast.

Description

Drilling and milling exchange mechanism of numerical control machine tool
Technical Field
The utility model relates to a deep hole bores lathe accessory field, concretely relates to digit control machine tool bores and mills exchange mechanism.
Background
Machine tools frequently used at present, such as a machining center, a carving and milling machine, a gantry machining center and the like, cannot be used for deep hole drilling machining operation, if a deep hole drill is machined on a common machine tool, the machining difficulty is high, the perpendicularity and the precision of a drilled hole are difficult to guarantee, the machining quality is poor, and a large number of defective products are produced. When high-precision drilling or deep hole drilling is required, a manufacturer needs to purchase corresponding deep hole drilling equipment to machine a hole. The deep hole drilling equipment needs to use a longer gun drill to process the deep hole drill, the gun drill is longer, the gun drill is easy to shake in the drilling process, and therefore a guide hole is needed to guide, support and reduce the shaking of the gun drill in the drilling process, so that the service life of the gun drill, the drilling processing efficiency and the processing precision are guaranteed.
In order to solve the problem of easy shaking, the domestic utility model patent with the publication number of CN 208146972U discloses a vertical deep hole drill guiding device with a support frame, which adopts through holes on the support frame to assist the support of the guiding holes, and has two supporting points of a gun drill, so that the gun drill is better supported, thereby prolonging the service life of the gun drill and improving the drilling efficiency and the processing precision; and when the through hole auxiliary support is not needed, the support rotating arm is rotated to the avoiding hole, so that the through hole can be removed, the effective length of the gun drill is increased, the invalid stroke of the main shaft is reduced, and the processing range is enlarged.
In the actual operation process, the existing numerical control machine tool and guiding device have the following defects: 1) the deep hole drilling equipment needs to be purchased additionally, and then the whole set of deep hole drilling equipment is installed on the numerical control machine tool, so that the installation is inconvenient, and more purchasing cost is needed; 2) the deep hole drill guiding device is an independent device, the whole supporting rotating arm and the supporting frame can block the operation of a milling cutter, so that the milling cutter cannot be switched to a milling cutter mode, when the milling cutter mode needs to be switched, the whole deep hole drill guiding device must be detached, and the operation is extremely inconvenient.
Disclosure of Invention
The utility model aims at solving above defect, provide a digit control machine tool bores and mills exchange mechanism, it can realize boring and milling and attack tooth in an organic whole, and the precision is accurate, and exchange speed is fast.
The utility model aims at realizing through the following mode:
a drilling and milling exchange mechanism of a numerical control machine tool comprises a main shaft casting part, a main shaft and a main shaft motor for driving the main shaft to rotate, wherein the main shaft is vertically installed on the main shaft casting part downwards, sliding plates capable of sliding up and down are arranged in vertical symmetry on two sides of the main shaft casting part and are positioned on two sides of the main shaft, sliding rails are arranged on the inner side surfaces of the sliding plates, the sliding rails are connected through static sliding blocks fixedly and symmetrically installed on two side surfaces of the main shaft casting part, a lead screw transmission assembly for driving the sliding plates to move up and down is arranged on the main shaft casting part, a guide seat is arranged between the bottoms of the two sliding plates, two tail ends of the guide seat are installed through dynamic sliding blocks which slide into the sliding rails in a matching manner, the guide seat is driven by the dynamic sliding blocks to slide up and down along the sliding plates, the guide seat is positioned under the main shaft, the lower ends of the two sliding plates are connected through the lower transverse plate, the lower transverse plate is provided with a hydraulic cylinder which is installed downwards, a telescopic rod of the hydraulic cylinder extends downwards and is connected with the guide seat, and when the hydraulic cylinder acts, the guide seat is driven to move up and down.
In the above description, as preferred scheme, the screw rod transmission assembly includes servo motor, last diaphragm, lead screw and lead screw seat, and servo motor vertically installs in the top of main shaft casting, goes up the diaphragm connection and installs the upper end at two slides, and the lead screw seat is installed in the middle part of last diaphragm, and lead screw and servo motor's output shaft just pair penetrate the lead screw seat in, when servo motor moved to through lead screw drive movable slide lift.
In the above description, as a preferable scheme, a motor support seat for mounting a servo motor is arranged above the main shaft casting, and the bottom of the motor support seat is connected with the top of the main shaft casting through four or more support rods.
In the above description, as a preferable mode, a unclamping cylinder for clamping the tool holder is connected to an upper end of the spindle.
In the above description, as a preferred scheme, the guide seat includes a lower concave plate with a downward concave middle portion and positioning seats disposed at two end portions of the lower concave plate, the guide sleeve is mounted at the middle portion of the lower concave plate, the positioning seats are fixedly connected with the dynamic slider, and the two end portions of the lower concave plate are locked to bottom surfaces of the two positioning seats through bolts.
The utility model discloses produced beneficial effect is: the sliding plate capable of lifting and sliding is arranged, a guide sleeve for assisting in supporting a gun drill is arranged at the bottom of the sliding plate, the guide sleeve can be driven by a hydraulic cylinder to lift and move, so that an auxiliary supporting point can be freely adjusted, deep hole machining can be performed by the gun drill suitable for various lengths, the guide sleeve with different apertures can be replaced to adapt to different gun drills, in addition, the guide sleeve is of a detachable structure, when the milling function needs to be converted, the guide sleeve is directly detached, a cutter capable of penetrating through the guide seat is replaced, enough space is reserved for the milling cutter to work after the guide sleeve is detached, the sliding plate can be driven by a lead screw transmission assembly to lift to the highest safety point, at the moment, the milling machine mode is adopted, a cutter head can penetrate through the guide seat to perform the milling function, the whole structure is simple and compact, the sliding plate can be used as a numerical control CNC machine tool during normal work, drilling, the deep hole machining mode can be directly switched to carry out machining, the precision is accurate, the interchange speed is high, and the production cost is reduced.
Drawings
Fig. 1 is a schematic view of a top view angle three-dimensional structure of a milling machine mode in the embodiment of the present invention;
fig. 2 is a schematic view of a bottom view angle three-dimensional structure of a milling machine mode according to an embodiment of the present invention;
fig. 3 is a schematic view of a top view angle three-dimensional structure of a deep hole processing mode according to an embodiment of the present invention;
fig. 4 is a schematic view of a bottom view angle three-dimensional structure of a deep hole processing mode according to an embodiment of the present invention;
in the drawing, 1 is a main shaft casting, 2 is a main shaft, 3 is a main shaft motor, 4 is a unclamping cylinder, 5 is a servo motor, 6 is a sliding plate, 7 is an upper transverse plate, 8 is a screw rod, 9 is a screw rod seat, 10 is a motor supporting seat, 11 is a supporting rod, 12 is a lower concave plate, 13 is a positioning seat, 14 is a lower transverse plate, 15 is a hydraulic cylinder, and 16 is a guide sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In this embodiment, referring to fig. 1 to 4, a drilling and milling exchange mechanism of a numerical control machine tool specifically implemented by the present embodiment includes a main shaft casting 1, a main shaft 2, and a main shaft motor 3 for driving the main shaft 2 to rotate, wherein the main shaft 2 is longitudinally installed on the main shaft casting 1 in a downward direction, and a unclamping cylinder 4 for clamping a tool holder is installed at the upper end of the main shaft 2 in a connected manner.
The two sides of the main shaft casting part 1 are vertically and symmetrically provided with sliding plates 6 capable of sliding up and down, the sliding plates 6 are located on two sides of the main shaft 2, the inner side surface of each sliding plate 6 is provided with two rows of sliding rails, and the sliding rails are connected through static sliding blocks which are fixedly and symmetrically arranged on the two side surfaces of the main shaft casting part 1.
Be equipped with on the main shaft casting 1 and be used for driving slide 6 to carry out the lead screw drive assembly of lift activity, lead screw drive assembly includes servo motor 5, go up horizontal plate 7, lead screw 8 and lead screw seat 9, servo motor 5 is vertical to be installed in the top of main shaft casting 1, go up horizontal plate 7 and connect the upper end of installing at two slides 6, lead screw seat 9 is installed at the middle part of last horizontal plate 7, lead screw 8 just pairs in penetrating lead screw seat 9 with servo motor 5's output shaft, when servo motor 5 moves, thereby drive slide 6 through the lead screw and go up and down. A motor supporting seat 10 for mounting the servo motor 5 is arranged above the main shaft casting part 1, and the bottom of the motor supporting seat 10 is connected with the top of the main shaft casting part 1 through six supporting rods 11.
Be equipped with the guide holder between the bottom of two slides 6, the two ends of guide holder are installed through pairing the dynamic sliding block that slides in the slide rail, drive the guide holder by dynamic sliding block and carry out the lift slip along slide 6, and the guide holder is located the main shaft under, and the middle part of guide holder is equipped with the uide bushing 16 that is used for the auxiliary stay gun drill, and uide bushing 16 is detachable construction. The guide holder includes that the middle part is concave plate 12 downwards and sets up in the positioning seat 13 of concave plate 12 two terminal ends down, and uide bushing 16 installs in the middle part of concave plate 12 down, and positioning seat 13 carries out fixed connection with the dynamic slider, and the bottom surface at two positioning seats 13 is all locked through the bolt to two terminal ends of concave plate 12.
The lower ends of the two sliding plates 6 are connected through a lower transverse plate 14, a hydraulic cylinder 15 installed downwards is arranged on the lower transverse plate 14, a telescopic rod of the hydraulic cylinder 15 extends downwards and is connected with the guide seat, and when the hydraulic cylinder 15 acts, the guide seat is driven to move up and down.
As shown in fig. 3 and 4, a slide plate 6 capable of sliding up and down is provided, a guide sleeve 16 for assisting in supporting the gun drill is provided at the bottom of the slide plate 6, and the guide sleeve 16 can be driven by a hydraulic cylinder 15 to move up and down, so that the auxiliary supporting point can be freely adjusted to be suitable for gun drills of various lengths to perform deep hole processing. The guide sleeve 16 is a detachable structure, as shown in fig. 1 and 2, when a milling function needs to be converted, the guide sleeve 16 is directly detached, the milling cutter is replaced, sufficient space is left for the milling cutter to work after the guide sleeve 16 is detached, the milling cutter can easily pass through the guide seat, the slide plate 6 can be driven to rise to the highest safety point through the lead screw transmission assembly, the milling machine mode is adopted, the cutter handle can pass through the guide seat to perform the milling function, the whole structure is simple and compact, the guide sleeve can be used as a numerical control CNC machine tool during normal work, drilling, milling and tapping can be integrated, when some deep holes are difficult to process, the deep hole processing mode can be directly switched to be used for processing, the guide sleeve 16 enables the gun drill to be better supported, the service life of the gun drill is prolonged, the drilling efficiency and the processing precision are improved, and under the condition of ensuring the precision, the depth of the processed holes, the precision is accurate, and the interchange speed is fast.
The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as the utility model discloses a protection scope.

Claims (5)

1. The utility model provides a digit control machine tool bores and mills exchange mechanism, includes main shaft casting, main shaft and is used for driving main shaft pivoted spindle motor, and the main shaft is vertically installed on main shaft casting downwards, its characterized in that: the two sides of the main shaft casting are vertically and symmetrically provided with sliding plates capable of sliding up and down, the sliding plates are positioned at two sides of the main shaft, the inner side surfaces of the sliding plates are provided with sliding rails, the sliding rails are connected through static sliding blocks fixedly and symmetrically arranged at two side surfaces of the main shaft casting, the main shaft casting is provided with a lead screw transmission assembly for driving the sliding plates to move up and down, a guide seat is arranged between the bottoms of the two sliding plates, two tail ends of the guide seat are installed through dynamic sliding blocks which slide into the sliding rails in a matching way, the dynamic sliding blocks drive the guide seat to slide up and down along the sliding plates, the guide seat is positioned under the main shaft, the middle part of the guide seat is provided with a guide sleeve for assisting in supporting a gun drill, the guide sleeve is of a detachable structure, the lower ends of the two sliding plates are connected through a lower transverse plate, a hydraulic, when the hydraulic cylinder acts, the guide seat is driven to lift.
2. The drilling and milling interchange mechanism of the numerical control machine tool as claimed in claim 1, wherein: the lead screw transmission assembly comprises a servo motor, an upper transverse plate, a lead screw and a lead screw seat, the servo motor is vertically installed above the main shaft casting part, the upper transverse plate is connected and installed at the upper ends of the two sliding plates, the lead screw seat is installed at the middle part of the upper transverse plate, the lead screw is connected with an output shaft of the servo motor and is matched with the output shaft of the servo motor to penetrate into the lead screw seat, and when the servo motor acts, the sliding plates are driven to lift through the lead screw.
3. The drilling and milling interchange mechanism of the numerical control machine tool as claimed in claim 2, wherein: the top of main shaft casting is equipped with the motor supporting seat that is used for installing servo motor, and the bottom of motor supporting seat is connected with the top of main shaft casting through four above bracing pieces.
4. The drilling and milling interchange mechanism of the numerical control machine tool according to any one of claims 1-3, characterized in that: and the upper end of the main shaft is connected with a knife striking cylinder for clamping the knife handle.
5. The drilling and milling interchange mechanism of the numerical control machine tool according to any one of claims 1-3, characterized in that: the guide seat comprises a lower concave plate with a downward sunken middle part and positioning seats arranged at two tail ends of the lower concave plate, the guide sleeve is arranged at the middle part of the lower concave plate, the positioning seats are fixedly connected with the dynamic sliding block, and the two tail ends of the lower concave plate are locked on the bottom surfaces of the two positioning seats through bolts.
CN201921191660.7U 2019-07-26 2019-07-26 Drilling and milling exchange mechanism of numerical control machine tool Active CN210549466U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921191660.7U CN210549466U (en) 2019-07-26 2019-07-26 Drilling and milling exchange mechanism of numerical control machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921191660.7U CN210549466U (en) 2019-07-26 2019-07-26 Drilling and milling exchange mechanism of numerical control machine tool

Publications (1)

Publication Number Publication Date
CN210549466U true CN210549466U (en) 2020-05-19

Family

ID=70674457

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921191660.7U Active CN210549466U (en) 2019-07-26 2019-07-26 Drilling and milling exchange mechanism of numerical control machine tool

Country Status (1)

Country Link
CN (1) CN210549466U (en)

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