CN203817480U - Keyway machining equipment for light rail support - Google Patents

Keyway machining equipment for light rail support Download PDF

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Publication number
CN203817480U
CN203817480U CN201420238848.3U CN201420238848U CN203817480U CN 203817480 U CN203817480 U CN 203817480U CN 201420238848 U CN201420238848 U CN 201420238848U CN 203817480 U CN203817480 U CN 203817480U
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China
Prior art keywords
transmission
equipment
milling cutter
keyway
assembly
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CN201420238848.3U
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Chinese (zh)
Inventor
李宏
李惕新
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CMCU Engineering Co Ltd
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CMCU Engineering Co Ltd
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Abstract

The utility model discloseskeyway machining equipmentfor a light rail support. The keyway machining equipment mainly comprises a base, horizontal sliding tableassemblies arranged on the base and moving linearly along the X axis, a longitudinalsliding tableassembly arranged on the base and moving linearly along the Y axis as well as a PLC (programmable logic controller) console, wherein each horizontal sliding tableassembly comprises a horizontal slide rail, a power head subassembly and a transmission mechanism I; the power head subassemblycomprises a power head body, a milling cutter, a transmission mechanism II and a transmission mechanism III; and the longitudinalsliding tableassembly comprises a longitudinal slide rail, a sliding table, a transmission mechanism IV, a rotating table and a workpiece fixture. Compared with the conventional general equipment for keyway machining, the equipmenthas the advantages that the integral size and occupied space of the equipment are small, the automation degree is high, labor intensity of workers and the worker allocation quantity are reduced, the light rail support keyway machining efficiency is increased, cost investment is saved, and the equipment is suitable for quantization production with simultaneous machining of multiple equipment.

Description

Light rail bearing keyway process equipment
Technical field
The utility model belongs to the milling field of special workpiece, relates to a kind of light rail bearing keyway process equipment.
Background technology
Each big and medium-sized cities of China are Feasibility of developing track transportation just energetically, in urban rail transit construction process, light rail bearing is the very huge strength member of demand, and in the process of light rail bearing keyway, exists very distinct issues at present, is seriously restricting project progress.
On light rail bearing, need to process a plurality of keyways, be subject to the restriction of the factors such as bearing shape, size and Working position, enterprise adopts shaping machine by groove processing keyway conventionally, and the inefficiency of shaping machine completes the keyway processing of a light rail bearing, 4 hours consuming time, in order to improve working ability, enterprise have to increase number of devices, and this has caused that again occupation area of equipment is large, recruitment quantity is many, the problem that keyway processing cost rises; In addition, while adopting shaping machine working groove position, the switching of bearing and transposition all realize by the corresponding handle of hand-turning, in every groove process, need to shut down several times and detect processing dimension, and automaticity is low, and labour intensity is large, processing charges duration.
Summary of the invention
In view of this, the purpose of this utility model is to provide the light rail bearing keyway that a kind of automaticity is high, working (machining) efficiency is high process equipment.
For achieving the above object, the utility model provides following technical scheme: a kind of light rail bearing keyway process equipment, comprises base, is arranged on base horizontal sliding table assembly along X-axis traveling priority, along longitudinal slide unit assembly and the PLC console of Y-axis traveling priority; Described horizontal sliding table assembly comprises horizontal slide rail, is sleeved on power head part and the transmission mechanism I for driving described power head part to move left and right on horizontal slide rail on horizontal slide rail; Described power head part comprises unit head body, milling cutter, transmission mechanism II and transmission mechanism III, and described milling cutter comprises knife bar and cutter head, and described transmission mechanism II drives knife bar to move up and down, described transmission mechanism III band dynamic cutter head rotation; Described longitudinal slide unit assembly comprises longitudinal slide rail, be sleeved on slide unit on longitudinal slide rail, drive transmission mechanism IV that slide unit moves forward and backward on described longitudinal slide rail, be arranged on the rotary table on slide unit and be fixed on the work piece holder on rotary table; Described horizontal sliding table assembly is two groups, is arranged symmetrically in longitudinal slide unit assembly both sides; Milling cutter on one group of horizontal sliding table assembly is upper milling cutter, and the milling cutter on another group horizontal sliding table assembly is lower milling cutter.
Further, described transmission mechanism I and transmission mechanism IV are lead screw transmission mechanism.
Further, described transmission mechanism II comprises and is sleeved on knife bar and drives lifting connecting plate that knife bar moves up and down and for drawing the elevating lever of lifting connecting plate, described elevating lever is arranged on unit head body.
Further, described transmission mechanism III comprises motor, motor output torque is passed to gear train I, gear train II and the support of milling cutter tip, described support is fixed on lifting connecting plate, and described motor and gear train I are arranged on support, and described gear train II is arranged in knife bar.
Further, described elevating lever is elevating screw or hydraulic lifting post.
Further, described unit head body and the corresponding limited block that is provided with on lifting connecting plate.
Further, described work piece holder is plane and two pits positioner.
The beneficial effects of the utility model are:
(1) by PLC console, regulate the motion state of controlling each several part; automaticity is high; without repeatedly shutting down and detect; workman's labour intensity and staffing quantity have been reduced; promoted the working (machining) efficiency of light rail bearing keyway, 8 keyways processing a light rail bearing of take are example, and traditional handicraft needs 4 hours; use after this equipment, can be by 8 keyway completion of processing less than 1 hour.
(2) left and right sides synchronous cutting, is convenient to adjust the depth of cut of milling cutter, and the uniformity of upper and lower keyway is guaranteed, and has optimized the stressing conditions of milling cutter, has extended the service life of cutter when having guaranteed cutting force.
(3) compare with the common apparatus of current this keyway of processing, Whole Equipment volume is little, and floor space is few, is suitable for arranging many processing simultaneously, and the improvement by method and apparatus has reduced cost input, has realized automation, the scale and quantification production of this operation.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, the utility model provides following accompanying drawing to describe:
Fig. 1 is front view of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the cutaway view of power head part.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As shown in the figure, light rail bearing keyway process equipment described in the utility model, comprises base 1, is arranged on base 1 horizontal sliding table assembly 2 along X-axis traveling priority, along longitudinal slide unit assembly 3 and the PLC console 4 of Y-axis traveling priority; Described horizontal sliding table assembly 2 comprises horizontal slide rail 21, is sleeved on power head part and the transmission mechanism I for driving described power head part to move left and right on horizontal slide rail 21 on horizontal slide rail 21; Described power head part comprises unit head body 22, milling cutter 23, transmission mechanism II 24 and transmission mechanism III 25, described milling cutter 23 comprises knife bar 231 and cutter head 232, described transmission mechanism II 24 drives knife bar 231 to move up and down, described transmission mechanism III 25 band dynamic cutter head 232 rotations; Described longitudinal slide unit assembly 3 comprises longitudinal slide rail 31, be sleeved on slide unit 32 on longitudinal slide rail 31, drive transmission mechanism IV that slide unit 32 moves forward and backward on described longitudinal slide rail 31, be arranged on the rotary table 33 on slide unit 32 and be fixed on the work piece holder 34 on rotary table 33; Described horizontal sliding table assembly 2 is two groups, is arranged symmetrically in longitudinal slide unit assembly 3 both sides; Milling cutter 23 on one group of horizontal sliding table assembly 2 is upper milling cutter, and the milling cutter 23 on another group horizontal sliding table assembly 2 is lower milling cutter.
In the present embodiment, longitudinally the milling cutter 23 on the horizontal sliding table assembly 2 in slide unit assembly 3 left sides is lower milling cutter, only, for the lower keyway of milling bearing 8, the milling cutter 23 on the horizontal sliding table assembly 2 on right side is upper milling cutter, only for the upper keyway of milling bearing 8, during operation, bearing 8 to be processed is fixed on work piece holder 34, and upper milling cutter and lower milling cutter mill out upper keyway and lower keyway by bearing 8 both sides, after completion of processing, rotary table 33 drives bearing 8 Rotate 180s °, milling remainder.
In the present embodiment, described transmission mechanism I and transmission mechanism IV are lead screw transmission mechanism, by an AC servo motor 5, driven respectively, two groups of transmission mechanism I drive two power head parts to move in opposite directions or oppositely, regulate milling cutter 23 cutter heads 232 and the relative position of bearing 8 in X-axis, transmission mechanism IV drives bearing 8 to move forward and backward, regulate bearing 8 and the relative position of milling cutter 23 in Y-axis, for the reliability that guarantees to put in place, lead screw transmission mechanism one end is also provided with retaining mechanism 6, in addition, rotary table 33 is also driven by an AC servo motor 5 separately, is convenient to control.
In the present embodiment, described transmission mechanism II 24 comprises and is sleeved on knife bar 231 and drives lifting connecting plate 241 that knife bar 231 moves up and down and for drawing the elevating lever 242 of lifting connecting plate 241, described elevating lever 242 is arranged on unit head body 22, what the elevating lever 242 of the present embodiment adopted is elevating screw, by AC servo motor 5, drive, thereby traction lifting connecting plate 241 liftings, certainly, elevating lever 242 herein also replaceable one-tenth other there is the mechanism of elevating function, as hydraulic lifting post, drive source is other modes of replaceable one-tenth also.
In the present embodiment, described transmission mechanism III 25 comprises motor 251, motor 251 output torques is passed to gear train I 252, gear train II 253 and the support 254 of milling cutter 23 cutter heads 232, described support 254 is fixed on lifting connecting plate 241, described motor 251 is arranged on support 254 with gear train I 252, and described gear train II 253 is arranged in knife bar 231; The motion process of this part is: motor 251 drive gear set I 252 rotations, the gear train I 252 of rotating drives the gear train II 253 being mated to rotate, by the transmission step by step of a plurality of gears, the output torque of motor 251 passes on the cutter head 232 that is connected to gear train II 253 tail ends the most at last; Motor 251 is herein AC asynchronous motor, and when lifting connecting plate 241 moves up and down, transmission mechanism III 25 moves with lifting connecting plate 241, without interfering with clutch problem, occurs, is easy to control.
Such scheme is further improved, unit head body 22 in the present embodiment and the corresponding limited block 7 that is provided with on lifting connecting plate 241, control the adjustable height of milling cutter 23, prevent that milling cutter 23 and bearing 8 from producing collision, cause damage, certainly, also can at longitudinal slide rail 31 and 32, slide unit, add stopping means according to the practical operation situation of equipment; For automaticity and the control accuracy of further raising equipment, also can set up detector in above-mentioned position.
Work piece holder 34 described in the present embodiment is plane and two pits positioner, and clamping is stable.
The method that adopts these light rail bearing keyway process equipment processing bearing 8 keyways, mainly comprises the following steps:
(1) by the bearing upper lathe of 8 lifting clamping position, each moving component resets (being that each moving component is in original position): rotary table 33 is positioned at the origin position on longitudinal slide rail 31, bearing 8 axially bored lines parallel with milling cutter 23 knife bar 231 axis, guarantee upper and the next in keyway to be processed of two groups of milling cutter 23 correspondences on horizontal sliding table assembly 2 simultaneously;
(2) by PLC console 4, carry out tool setting, make two milling cutters 23 corresponding left side and right side near bearing 8 to be processed, set up processing original position;
(3) left side milling cutter 23 is near the lower end of bearing 8 left sides, mill out the lower keyway of this side, right side milling cutter 23 is near the upper end of bearing 8 right-hand parts, correspondence mills out keyway, mill out successively groove width and the groove depth of required keyway: the milling simultaneously of upper and lower milling cutter, milling cutter 23 is often covered a cutter stroke, and the slide unit 32 being sleeved on longitudinal slide rail 31 moves a milling width backward, until milling cutter 23 completes the milling of required keyway groove width; The depth of cut of adjusting milling cutter 23 uplink and downlink, completes the groove depth milling of next depth of cut, moves in circles to milling out required keyway groove depth.
(4) complete under bearing 8 left sides on keyway and right side after the milling of keyway, rotary table 33 rotates 180 °, the lower end that is former bearing 8 right sides treats that milling place is corresponding with left side milling cutter 23, the upper end in former bearing 8 left sides treats that milling place is corresponding with right side milling cutter 23, continues the described milling process of repeating step (3); Owing to being subject to the restriction of bearing 8 dowel hole diameters, it is shorter that milling cutter 23 knife bars 231 herein design, and can guarantee the rigidity of knife bar 231, and by upper keyway or the lower keyway of same milling cutter 23 processing bearings 8, the uniformity of keyway is also better.
(5) detect width of keyway and the degree of depth, judgement milling cutter 23 degrees of wear, regulate milling feed amount, compensation tool abrasion.
Finally explanation is, above preferred embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can to it, make various changes in the form and details, and not depart from the utility model claims limited range.

Claims (7)

1. a light rail bearing keyway process equipment, is characterized in that: comprise base, be arranged on base horizontal sliding table assembly along X-axis traveling priority, along longitudinal slide unit assembly and the PLC console of Y-axis traveling priority;
Described horizontal sliding table assembly comprises horizontal slide rail, is sleeved on power head part and the transmission mechanism I for driving described power head part to move left and right on horizontal slide rail on horizontal slide rail; Described power head part comprises unit head body, milling cutter, transmission mechanism II and transmission mechanism III, and described milling cutter comprises knife bar and cutter head, and described transmission mechanism II drives knife bar to move up and down, described transmission mechanism III band dynamic cutter head rotation;
Described longitudinal slide unit assembly comprises longitudinal slide rail, be sleeved on slide unit on longitudinal slide rail, drive transmission mechanism IV that slide unit moves forward and backward on described longitudinal slide rail, be arranged on the rotary table on slide unit and be fixed on the work piece holder on rotary table;
Described horizontal sliding table assembly is two groups, is arranged symmetrically in longitudinal slide unit assembly both sides; Milling cutter on one group of horizontal sliding table assembly is upper milling cutter, and the milling cutter on another group horizontal sliding table assembly is lower milling cutter.
2. light rail bearing keyway process equipment according to claim 1, is characterized in that: described transmission mechanism I and transmission mechanism IV are lead screw transmission mechanism.
3. light rail bearing keyway process equipment according to claim 1, it is characterized in that: described transmission mechanism II comprises and is sleeved on knife bar and drives lifting connecting plate that knife bar moves up and down and for drawing the elevating lever of lifting connecting plate, described elevating lever is arranged on unit head body.
4. light rail bearing keyway process equipment according to claim 3, it is characterized in that: described transmission mechanism III comprises motor, motor output torque is passed to gear train I, gear train II and the support of milling cutter tip, described support is fixed on lifting connecting plate, described motor and gear train I are arranged on support, and described gear train II is arranged in knife bar.
5. light rail bearing keyway process equipment according to claim 3, is characterized in that: described elevating lever is elevating screw or hydraulic lifting post.
6. light rail bearing keyway process equipment according to claim 3, is characterized in that: described unit head body and the corresponding limited block that is provided with on lifting connecting plate.
7. light rail bearing keyway process equipment according to claim 1, is characterized in that: described work piece holder is plane and two pits positioner.
CN201420238848.3U 2014-05-09 2014-05-09 Keyway machining equipment for light rail support Active CN203817480U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420238848.3U CN203817480U (en) 2014-05-09 2014-05-09 Keyway machining equipment for light rail support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420238848.3U CN203817480U (en) 2014-05-09 2014-05-09 Keyway machining equipment for light rail support

Publications (1)

Publication Number Publication Date
CN203817480U true CN203817480U (en) 2014-09-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103978254A (en) * 2014-05-09 2014-08-13 中机中联工程有限公司 Light rail support keyway processing equipment and processing method thereof
CN104722824A (en) * 2015-03-13 2015-06-24 天津海特传动机械有限公司 Numerical control key seating milling machine with main shaft capable of performing three-dimensional spatial motion

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103978254A (en) * 2014-05-09 2014-08-13 中机中联工程有限公司 Light rail support keyway processing equipment and processing method thereof
CN103978254B (en) * 2014-05-09 2016-08-31 中机中联工程有限公司 Light rail bearing keyway process equipment and processing method
CN104722824A (en) * 2015-03-13 2015-06-24 天津海特传动机械有限公司 Numerical control key seating milling machine with main shaft capable of performing three-dimensional spatial motion

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