CN115139225A - Main shaft power control device for grinding of gantry machining center - Google Patents
Main shaft power control device for grinding of gantry machining center Download PDFInfo
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- CN115139225A CN115139225A CN202211059474.4A CN202211059474A CN115139225A CN 115139225 A CN115139225 A CN 115139225A CN 202211059474 A CN202211059474 A CN 202211059474A CN 115139225 A CN115139225 A CN 115139225A
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- 238000000227 grinding Methods 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 29
- 238000003754 machining Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 35
- 238000003825 pressing Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000002441 reversible effect Effects 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 2
- 238000003466 welding Methods 0.000 claims 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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- 239000000725 suspension Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to the technical field of grinding, in particular to a main shaft power control device for grinding of a gantry type machining center, which comprises a machining table, X-axis drive groups symmetrically arranged at two sides of the machining table, a Y-axis drive group arranged between a pair of X-axis drive groups and an electric main shaft group arranged at one side of the Y-axis drive group, wherein the machining table is provided with a plurality of control groups for driving a long workpiece to move relative to the electric main shaft group, and each control group comprises a supporting plate, a clamping group arranged on the top surface of the supporting plate and a fixing group arranged below the supporting plate. The invention uses a plurality of control groups to clamp the long workpiece and support the long workpiece, adjusts the position of the long workpiece on the processing table, and then enters the processing range to be processed, and uses a plurality of pinch rollers to contact the outer side surface of the long workpiece all the time under the spring pressure of the pressure spring, thereby playing the roles of clamping and rubbing and rolling, leading the position of the long workpiece to be adjusted rapidly and keeping the continuous processing performance.
Description
Technical Field
The invention relates to the technical field of grinding, in particular to a spindle power control device for grinding of a gantry type machining center.
Background
The gantry machining center consists of a gantry frame, a lathe bed workbench and an electrical control system. The portal frame consists of upright columns and top beams, and a cross beam is arranged in the middle of the portal frame. The beam can move up and down along the two upright post guide rails. The beam is provided with an electric main shaft with a vertical main shaft and is used for installing a milling head to grind a workpiece. The electric spindle is a new technology which integrates a machine tool spindle and a spindle motor into a whole and appears in the field of numerical control machines, and comprises the electric spindle and accessories thereof, including an electric spindle, a high-frequency conversion device, an oil mist lubricator, a cooling device, a built-in encoder, a tool changing device and the like.
Application number CN200910017457.2 discloses five numerical control machine tools of planer-type, this lathe has adopted and has replaced traditional stand for X to the guide rail, the holding power to the crossbeam is big like this, can ensure that the crossbeam moves along X to the guide rail steady removal, in addition with Z axle servo drive assembly fixed connection's automatic two-way revolute pair can drive electric main shaft round horizontal A axle rotatory and along electric main shaft C rotation, Z axle servo drive assembly can also realize Y axle removal along the crossbeam removal promptly, can be in the prerequisite of avoiding the workstation rotatory and removing promptly under the relative ground static prerequisite of workstation like this, ingenious realization five numerical control processing, overcome the shortcoming that the area is big that relies on workstation removal and rotation to bring, can realize the high-accuracy numerical control processing of major part.
However, when the length of the workpiece is larger than the processing range of the processing table, the workpiece needs to be loosely clamped again, so that the unprocessed surface of the workpiece moves to the area above the processing table.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a spindle power control device for grinding of a gantry type machining center, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides a main shaft power control device for grinding of a gantry type machining center, which comprises a machining table, X-axis driving groups symmetrically installed on two sides of the machining table, a Y-axis driving group installed between the two sides of the X-axis driving groups, and an electric main shaft group installed on one side of the Y-axis driving group, wherein a plurality of control groups used for driving a long workpiece to move relative to the electric main shaft group are arranged on the machining table, each control group comprises a supporting plate, a clamping group arranged on the top surface of the supporting plate and a fixing group arranged below the supporting plate, each clamping group comprises a pair of clamping plates, a pair of threaded rods arranged below the supporting plate and used for driving the pair of clamping plates to move close to or away from each other, a plurality of pressing wheels arranged on the inner sides of the clamping plates, a driving belt integrally sleeved with the plurality of pressing wheels, and a forward and backward rotating motor used for driving the driving belt to move circularly, threads of the pair of threaded rods are arranged in opposite directions, a double-head motor is coaxially connected between the pair of threaded rods, a fixing table is arranged in the middle of the bottom surface of the supporting plate, and a sleeve hole is formed in the middle of the side surface of the fixing table.
As the further improvement of this technical scheme, the axial of pinch roller is the radial one side rotation of vertical setting and pinch roller and is connected with the square pole, the side of splint is horizontal equidistant and has seted up a plurality of square holes, the square pole is pegged graft with the square hole, the outside cover of square pole is equipped with the pressure spring.
As a further improvement of the technical scheme, the insertion holes are formed in the corners of the top surface of the clamping plate, the output shaft ends of the forward and reverse rotating motor are coaxially connected with a belt shaft, and the belt shaft is matched with the driving belt sleeve.
As a further improvement of the technical scheme, a wheel seat sleeved with a pressing wheel is welded at one end of the square rod, a belt wheel coaxially connected with the pressing wheel is arranged on the top surface of the wheel seat, the belt wheel is sleeved with a transmission belt to be matched, and a roller is embedded in one side, away from the clamping plate, of the belt wheel.
As a further improvement of the technical scheme, the bottom surface of the clamping plate is provided with a plurality of sliding blocks, the top surface of the supporting plate is provided with a plurality of sliding grooves, and the bottom ends of the sliding blocks positioned in the middle of the clamping plate are welded with threaded rings.
As a further improvement of the technical scheme, the set of the positioning pieces comprises a positioning seat, cams positioned at the front end and the rear end of the positioning seat, a servo motor used for driving the pair of cams to rotate, and a supporting block arranged in the bottom surface of the positioning seat and capable of turning over along with the rotation of the cams.
As a further improvement of the technical scheme, the positioning seat is in a square box shape with an opening on the top surface, clamping blocks are symmetrically arranged on the long edges of the bottom surface of the positioning seat, the cross section of each clamping block is trapezoidal, a plurality of fixing grooves which are connected with the clamping blocks in an inserting mode are formed in the top surface of the machining table at equal intervals, and a force storage groove is formed in the middle of the end face of each clamping block.
As a further improvement of the technical scheme, a bayonet is formed in the middle of the bottom surface of the positioning seat, a rotating shaft is inserted at a position, close to the side edge, of one end of the supporting block, toothed rings are sleeved at two ends of the rotating shaft, a cambered surface groove is formed in the inner side surface of the cam, and a plurality of convex teeth meshed with the toothed rings are arranged on the inner side surface of the cambered surface groove at equal intervals.
As a further improvement of the technical scheme, one end of the supporting plate is provided with a blocking member group, the blocking member group comprises a transmission plate, a pair of transmission screw rods and a steel winding belt wound on the transmission screw rods, the transmission screw rods are in threaded connection with the threaded rings, and the outer ends of the steel winding belt are welded with the transmission plate.
As a further improvement of the technical scheme, the clamping sleeves are symmetrically welded on the bottom surfaces of the supporting plates, the steel winding belt is connected with the clamping sleeves in an inserting mode, the transmission plate is L-shaped, the corners of the horizontal sections of the transmission plate are rotatably connected with the round rollers, and the inward end of the transmission screw rod is sleeved with the sleeve block.
Compared with the prior art, the invention has the beneficial effects that:
1. among this spindle power control device is used in planer-type machining center grinding, a plurality of controlling parts through setting up are organized and are used for pressing from both sides tight long work piece and support long work piece, when the length of long work piece surpassed the machining length scope of processing platform, can arrange the position on the processing platform in through controlling part group adjustment long work piece, and then get into its processing within range and be processed, utilize a plurality of pinch rollers can contact the long work piece lateral surface all the time under the bullet of pressure spring is pressed, play and press from both sides the effect that tightly and friction rolled, make long work piece quick adjustment position, keep continuous machining nature.
2. In the spindle power control device for grinding of the gantry machining center, the servo motor is started to drive the pair of cams to turn downwards to press the top surface of the machining table through the set stator group, the supporting block is driven to start to turn downwards after the cams turn downwards by 45 degrees, the supporting block rotates by 90 degrees after the cams rotate by 180 degrees, and then the supporting block is supported on the machining table to play a supporting role, so that the spindle power control device is high in automation degree and replaces a clamping mode of manually using a clamp.
3. According to the spindle power control device for grinding of the gantry machining center, the automatic clamping mode is realized through the pushing of the blocking piece group matched with the long workpiece, when the control piece group below the electric spindle group controls the long workpiece to move, the control piece group can contact the transmission plate to drive the steel tape to rotate and release, the transmission screw rod is driven to rotate, the pair of clamping plates can be automatically driven to be close to the clamping long workpiece, the linkage type clamping mode is realized, and the driving clamping cost is saved.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case.
FIG. 1 is a schematic structural view of the entire usage state of embodiment 1;
FIG. 2 is a schematic diagram of a control group assembly structure in embodiment 1;
FIG. 3 is a schematic view of an assembly structure of the control unit and the stopper according to embodiment 1;
fig. 4 is a bottom view assembly structure diagram of the control group in embodiment 1;
FIG. 5 is a bottom view assembly of the barrier set of embodiment 1;
FIG. 6 is a schematic view of the internal assembly structure of the set of locking pieces of embodiment 1;
FIG. 7 is a full sectional view of the positioning socket of embodiment 1;
FIG. 8 is a schematic view of a pressing wheel assembly structure of embodiment 1;
FIG. 9 is a schematic view showing an assembling structure of a stay block according to embodiment 1;
FIG. 10 is a view showing a partially assembled structure of the clip set according to embodiment 1;
FIG. 11 is a second partial assembly structure of the clip set of embodiment 1;
FIG. 12 is a schematic view of the assembling structure of the stopper according to embodiment 1;
fig. 13 is a schematic view of the bottom structure of the pallet of embodiment 1.
The various reference numbers in the figures mean:
100. a processing table; 101. fixing grooves; 110. an X-axis drive group; 120. a Y-axis drive group; 130. an electric spindle set;
200. a control group; 210. a pallet; 211. a chute; 212. a fixed table; 213. trepanning; 214. a card sleeve; 220. a clamp group; 221. a splint; 2211. a slider; 2212. a threaded ring; 2213. a square hole; 2214. a jack; 2215. a belt groove is formed; 222. a threaded rod; 2221. a double-headed motor; 223. a pinch roller; 224. a transmission belt; 225. a positive and negative rotation motor; 2251. a belt shaft; 226. a square bar; 2261. a wheel seat; 2262. a pulley; 2263. a roller; 227. compressing the spring;
230. a fixed group; 231. positioning seats; 2311. a clamping block; 2312. a bayonet; 2313. a force storage tank; 232. a cam; 2321. a cambered surface groove; 2322. a convex tooth; 233. a servo motor; 234. a supporting block; 2341. a rotating shaft; 2342. a toothed ring;
300. a barrier group; 310. a drive plate; 3101. a round roller; 320. a transmission screw rod; 3201. sleeving a block; 330. and (4) coiling the steel strip.
Detailed Description
The details of the present invention can be more clearly understood in conjunction with the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered as falling within the scope of the present invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, indirect connections through intermediaries, and the like. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
As used herein, the terms "central axis," "longitudinal," "transverse," "length," "width," "thickness," "vertical," "horizontal," "front," "back," "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship as shown in the figures, merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention. Further, in the description of the present invention, "a plurality" means two or more unless explicitly specifically defined otherwise.
Example 1
Referring to fig. 1 to 13, the present invention provides a spindle power control device for grinding in a gantry machining center, which includes a machining table 100, X-axis driving sets 110 symmetrically installed on both sides of the machining table 100, a Y-axis driving set 120 installed between the upper portions of a pair of X-axis driving sets 110, and an electric spindle set 130 installed on one side of the Y-axis driving set 120, wherein the X-axis driving sets 110, the Y-axis driving sets 120, and the electric spindle set 130 are all implemented as follows: including servo motor and with servo motor coaxial coupling's ball, the bearing frame is installed at ball's both ends, plays the stable effect of suspension, and threaded connection has the sliding sleeve on the ball, and sliding sleeve and crossbeam frame or longeron frame pass through bolt fixed connection, starts servo motor and starts ball rotatory, and drives the electric main shaft in the electric main shaft group 130 and move along X, Y and Z direction.
In this embodiment, the processing table 100 is provided with a plurality of control sets 200 for driving the long workpiece to move relative to the electric spindle set 130, and when the length of the long workpiece exceeds the processing length range of the processing table 100, the position of the long workpiece on the processing table 100 can be adjusted by the control sets 200, and the long workpiece enters the processing range to be processed. The control group 200 includes a pallet 210, a clamp group 220 disposed on the top surface of the pallet 210, and a set-up block 230 disposed below the pallet 210, and is fixed to the processing table 100 by the clamp group 220, and the set-up block 230.
Specifically, the clamping unit 220 includes a pair of clamping plates 221, a pair of threaded rods 222 arranged below the supporting plate 210 and used for driving the pair of clamping plates 221 or being close to or far away from the pair of threaded rods 222, a plurality of pressing wheels 223 arranged on the inner sides of the clamping plates 221, a transmission belt 224 integrally sleeved with the plurality of pressing wheels 223, and a forward and reverse motor 225 for driving the transmission belt 224 to circularly move, and the forward and reverse motor 225 is started to start the transmission belt 224 to circularly move, so that the plurality of pressing wheels 223 are driven to roll, and further the long workpiece is driven to adjust the processing position.
Further, the threads of the pair of threaded rods 222 are arranged in the opposite direction, the double-headed motor 2221 is coaxially connected between the threads and the double-threaded rod 222, the fixing table 212 is arranged in the middle of the bottom surface of the supporting plate 210, the sleeve hole 213 is formed in the middle of the side surface of the fixing table 212, the double-threaded motor 2221 is tightly matched with the sleeve hole 213 in a sleeved mode, the double-threaded rod 222 is driven to rotate in different directions by starting the double-threaded motor 2221, and then the pair of clamping plates 221 are driven to be close to or clamped away from or loosened, so that the long workpiece can be clamped and moved, and the electric spindle set 130 can be favorably met to adjust the processing position of the long workpiece.
Specifically, the axial of pinch roller 223 is vertical setting and the radial one side rotation of pinch roller 223 is connected with square pole 226, and the side of splint 221 is horizontal equidistant a plurality of square holes 2213 of having seted up, and square pole 226 is pegged graft with square hole 2213, avoids the upset of pinch roller 223, remains the vertical setting of center pin throughout. The outside cover of square rod 226 is equipped with pressure spring 227, and the tip that square rod 226 runs through the splint 221 outside has cup jointed the circle piece, plays limiting displacement.
Further, a plug hole 2214 is formed in a corner of the top surface of the clamping plate 221, a belt shaft 2251 is coaxially connected to an output shaft end of the forward and reverse rotation motor 225, the belt shaft 2251 is sleeved with the driving belt 224, and a belt groove 2215 is formed in the inner side of the clamping plate 221 in the horizontal direction, so that the driving belt 224 is clamped into the belt groove 2215 and is supported by the belt shaft 2251 to move by the friction force generated by the rotation of the belt shaft 2251.
Furthermore, a wheel seat 2261 sleeved with the pressing wheel 223 is welded at one end of the square rod 226, the wheel seat 2261 is of a C-shaped structure, a central shaft of the pressing wheel 223 penetrates through the upper end face and the lower end face of the wheel seat 2261, a belt wheel 2262 coaxially connected with the pressing wheel 223 is arranged on the top face of the wheel seat 2261, the belt wheel 2262 is sleeved and matched with the transmission belt 224, the transmission belt 224 is unfolded through the matching belt shaft 2251, a roller 2263 is embedded on one side, far away from the clamping plate 221, of the belt wheel 2262, so that the transmission belt 224 is always in contact with the belt wheel 2262 to rotate in a friction mode, if the outer side face of a long workpiece is irregular, the pressing wheels 223 can always contact with the outer side face of the long workpiece under the elastic pressure of the pressure spring 227, and the effects of clamping and friction rolling are achieved.
Further, the bottom surface of the clamping plate 221 is provided with a plurality of sliding blocks 2211, and the top surface of the supporting plate 210 is provided with a plurality of sliding grooves 211, so that the movement of the clamping plate 221 is guided and prevented from rotating. Wherein a threaded ring 2212 is welded at the bottom end of the sliding block 2211 positioned in the middle of the clamping plate 221, so that the clamping plate 221 can move back and forth along the axial direction of the threaded rod 222 to adjust the distance between the two.
Specifically, the set of locking elements 230 includes a locking seat 231, cams 232 at front and rear ends of the locking seat 231, a servo motor 233 for driving the pair of cams 232 to rotate, and a supporting block 234 disposed in a bottom surface of the locking seat 231 and turned over along with the rotation of the cams 232. A circular shaft penetrating through the front end and the rear end of the positioning seat 231 is inserted between the pair of cams 232, the pair of cams 232 are driven to turn downwards by starting the servo motor 233 to press the top surface of the processing table 100, the supporting block 234 is driven to turn downwards after turning downwards by 45 degrees, and after the cams 232 rotate 180 degrees, the supporting block 234 rotates 90 degrees and is further supported on the processing table 100 to play a supporting role.
Furthermore, the positioning seat 231 is in the shape of a square box with an opening on the top surface, the long sides of the bottom surface of the positioning seat are symmetrically provided with clamping blocks 2311, the cross section of each clamping block 2311 is trapezoidal, the top surface of the machining table 100 is provided with a plurality of fixing grooves 101 which are inserted with the clamping blocks 2311 at equal intervals, the middle part of the end surface of each clamping block 2311 is provided with a force storage groove 2313, when the supporting block 234 is supported on the machining table 100, the clamping blocks 2311 are driven to move upwards to extrude the force storage grooves 2313 to be narrowed, and the positioning seat 231 is made of steel, so that the clamping blocks 2311 generate resilience by utilizing the structure of the positioning seat 231, and the positioning seat 231 is fixed between the fixing grooves 101 without sliding forwards and backwards, upwards and downwards.
Furthermore, the middle of the bottom surface of the positioning seat 231 is provided with a bayonet 2312 which is clamped with the supporting block 234 to achieve the storage effect. One end of the supporting block 234 is inserted with a rotating shaft 2341 near the side edge, the rotating shaft 2341 penetrates through the front end and the rear end of the positioning seat 231, the toothed rings 2342 are sleeved at two ends of the rotating shaft 2341, the arc-shaped grooves 2321 are formed in the inner side faces of the cams 232, a plurality of convex teeth 2322 meshed with the toothed rings 2342 are arranged on the inner side faces of the arc-shaped grooves 2321 at equal intervals, a circular central shaft of each arc-shaped groove 2321 is overlapped with a circular central shaft of the corresponding cam 232, a space is reserved between each arc-shaped groove 2321 and the corresponding toothed ring 2342 due to the fact that the front end of each cam 232 is a reduced arc face, when the corresponding cam 232 is horizontal, the arc-shaped grooves 2321 can be made to contact with the toothed rings at the end portions of the supporting block 234 to drive the supporting block 234 to turn downwards after turning downwards by 45 degrees, supporting of the supporting block 234 replaces the cams 232 to support, increase of the initial driving force of the servo motor 233, and the servo motor 233 works in a forward and reverse rotation mode.
Besides, one end of the supporting plate 210 is provided with a stop group 300, which is installed on the control group 200 far away from the electric spindle group 130, and the double-head motor 2221 and the threaded rod 222 in the control group 200 are omitted, i.e. the stop group 300 is matched with the pushing of the long workpiece to realize an automatic clamping mode, so that the driving cost is saved. The stopper set 300 includes a driving plate 310, a pair of driving screws 320, and a steel tape 330 wound around the driving screws 320, and is in a natural state by being wound in a roll shape, and is resilient when one end thereof is pulled. The transmission screw 320 is connected with the thread ring 2212 in a threaded manner, the thread directions of the pair of transmission screw 320 are also arranged in a reverse manner, the outer end of the steel winding belt 330 is welded with the transmission plate 310, and when the control assembly 200 below the electric spindle assembly 130 controls the long workpiece to move, the control assembly can contact the transmission plate 310 to drive the steel winding belt 330 to rotate and release, further drive the transmission screw 320 to rotate, and then automatically drive the pair of clamping plates 221 to approach to clamping the long workpiece.
Furthermore, the retainer 214 is symmetrically welded on the bottom surface of the pallet 210, and the steel tape 330 is inserted into the retainer 214 to guide the steel tape 330 to extend straight. The driving plate 310 is L-shaped and is connected with a round roller 3101 at the corner of the horizontal section thereof in a rotating manner, so that when the driving plate 310 is rebounded and reset, the round roller 3101 is utilized to contact the end surface of the supporting plate 210, and then the supporting plate 210 is smoothly clamped into one end of the supporting plate. The inward end of the transmission screw 320 is sleeved with a sleeve block 3201, and the sleeve block 3201 is sleeved with the sleeve hole 213 and can rotate, so that the transmission screw 320 can stably rotate.
When the length of a long workpiece exceeds the processing length range of a processing table in the working process, the main shaft power control device for grinding of the gantry type processing center needs to take out another control group 200 with a stop group 300 and place the control group 200 at the end part of the processing table 100, and meanwhile, the control group 200 and the control group 200 below the electric main shaft group 130 are correspondingly arranged, so that the long workpiece can move between the two control groups 200, and then a forward and reverse motor 225 is started to start a transmission belt 224 to circularly move, so that a plurality of pressing wheels 223 are driven to roll, further the long workpiece is driven to adjust the processing position, and the unprocessed surface is placed in the area above the processing table 100.
All articles and references, including patent applications and publications, disclosed herein are hereby incorporated by reference for all purposes. The term "consisting essentially of 8230comprises the elements, components or steps identified and other elements, components or steps which do not materially affect the basic novel characteristics of the combination. The use of the terms "comprising" or "including" to describe combinations of elements, components, or steps herein also contemplates embodiments that consist essentially of such elements, components, or steps. By using the term "may" herein, it is intended to indicate that any of the attributes described that "may" include are optional. A plurality of elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, ingredient, component or step is not intended to foreclose other elements, ingredients, components or steps.
The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. The utility model provides a planer-type machining center is main shaft power control device for grinding, includes processing platform (100), X axle drive group (110) of processing platform (100) bilateral symmetry installation, Y axle drive group (120) and electric main shaft group (130) of Y axle drive group (120) one side installation of installing between a pair of X axle drive group (110) top, its characterized in that: the machining table (100) is provided with a plurality of control groups (200) used for driving the long workpiece to move relative to the electric spindle group (130), each control group (200) comprises a supporting plate (210), a clamping group (220) arranged on the top surface of the supporting plate (210) and a fixing group (230) arranged below the supporting plate (210), each clamping group (220) comprises a pair of clamping plates (221), a pair of threaded rods (222) arranged below the supporting plate (210) and used for driving the pair of clamping plates (221) or being close to or far away, a plurality of pressing wheels (223) arranged on the inner sides of the clamping plates (221), a transmission belt (224) integrally sleeved with the plurality of pressing wheels (223) and a forward and reverse transmission belt (225) used for driving the circular motion of the transmission belt (224), threads of the pair of threaded rods (222) are reversely arranged, a double-end motor (2221) is coaxially connected between the pair of threaded rods, the middle part of the bottom surface of the supporting plate (210) is provided with a fixing table (212), and a sleeve hole (213) is formed in the middle part of the side surface of the fixing table (212).
2. The spindle power control device for grinding in the gantry machining center according to claim 1, wherein: the axial of pinch roller (223) is vertical and radial one side and rotates and be connected with square bar (226), the side of splint (221) is horizontal equidistant a plurality of square holes (2213) have been seted up, square bar (226) are pegged graft with square hole (2213), the outside cover of square bar (226) is equipped with pressure spring (227).
3. The spindle power control device for grinding of the gantry machining center according to claim 1, wherein: the top surface corner of splint (221) has seted up jack (2214), the output axle head coaxial coupling of just reversing motor (225) has band axle (2251), the cooperation is established with drive belt (224) cover to band axle (2251).
4. The spindle power control device for grinding of the gantry machining center according to claim 2, wherein: the one end welding of square bar (226) has wheel seat (2261) of establishing with pinch roller (223) cover, be provided with on the top surface of wheel seat (2261) with pinch roller (223) coaxial coupling's band pulley (2262), band pulley (2262) establishes the cooperation with drive belt (224) cover, band pulley (2262) keep away from splint (221) one side inlay and be equipped with roller (2263).
5. The spindle power control device for grinding in the gantry machining center according to claim 1, wherein: the bottom surface of splint (221) is equipped with a plurality of sliders (2211), the top surface of layer board (210) has seted up a plurality of spouts (211), and wherein the bottom welding of slider (2211) that is located splint (221) middle part has threaded ring (2212).
6. The spindle power control device for grinding in the gantry machining center according to claim 1, wherein: the fixing piece group (230) comprises a positioning seat (231), cams (232) positioned at the front end and the rear end of the positioning seat (231), a servo motor (233) used for driving the pair of cams (232) to rotate and a supporting block (234) arranged in the bottom surface of the positioning seat (231) and overturned along with the rotation of the cams (232).
7. The spindle power control device for grinding of the gantry machining center according to claim 6, wherein: the positioning seat (231) is in the shape of a square box with an opening in the top surface, clamping blocks (2311) are symmetrically arranged on long sides of the bottom surface of the positioning seat, the cross section of each clamping block (2311) is trapezoidal, a plurality of fixing grooves (101) which are connected with the clamping blocks (2311) in an inserting mode are formed in the top surface of the machining table (100) at equal intervals, and a force storage groove (2313) is formed in the middle of the end face of each clamping block (2311).
8. The spindle power control device for grinding of the gantry machining center according to claim 7, wherein: bayonet socket (2312) have been seted up in the bottom surface middle part of positioning seat (231), the one end of brace piece (234) is close to side department and is pegged graft and have pivot (2341), the both ends of pivot (2341) have cup jointed tooth ring (2342), cambered surface groove (2321) have been seted up to the medial surface of cam (232), the medial surface of cambered surface groove (2321) equidistant a plurality of dogteeth (2322) of meshing with tooth ring (2342) that are equipped with.
9. The spindle power control device for grinding of the gantry machining center according to claim 5, wherein: one end of the supporting plate (210) is provided with a blocking piece group (300), the blocking piece group (300) comprises a transmission plate (310), a pair of transmission screw rods (320) and a steel winding belt (330) wound on the transmission screw rods (320), the transmission screw rods (320) are in threaded connection with a threaded ring (2212), and the outer ends of the steel winding belt (330) are welded with the transmission plate (310).
10. The spindle power control device for grinding in the gantry machining center according to claim 9, wherein: cutting ferrule (214) have been welded to the bottom surface symmetry of layer board (210), steel winding (330) and cutting ferrule (214) are pegged graft, driving plate (310) are the L type and its horizontal segment corner rotates and is connected with round roller (3101), the cover piece (3201) has been cup jointed to the inside end of drive screw (320).
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| CN202211059474.4A CN115139225B (en) | 2022-09-01 | 2022-09-01 | Main shaft power control device for grinding of gantry machining center |
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| CN202211059474.4A CN115139225B (en) | 2022-09-01 | 2022-09-01 | Main shaft power control device for grinding of gantry machining center |
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| Publication number | Publication date |
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| CN115139225B (en) | 2022-11-11 |
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Denomination of invention: A Spindle Power Control Device for Gantry Machining Center Grinding Effective date of registration: 20231012 Granted publication date: 20221111 Pledgee: China Merchants Bank Limited by Share Ltd. Kunming branch Pledgor: Kunming Nicola Correa Machine Tool Co.,Ltd. Registration number: Y2023530000060 |