CN113579898A - Polishing device for precision casting and positioning and clamping mechanism thereof - Google Patents
Polishing device for precision casting and positioning and clamping mechanism thereof Download PDFInfo
- Publication number
- CN113579898A CN113579898A CN202110898131.6A CN202110898131A CN113579898A CN 113579898 A CN113579898 A CN 113579898A CN 202110898131 A CN202110898131 A CN 202110898131A CN 113579898 A CN113579898 A CN 113579898A
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- plate
- movable plate
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- fixed frame
- base
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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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
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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
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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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
- B24B41/02—Frames; Beds; Carriages
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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
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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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- 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
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
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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
A positioning and clamping mechanism comprises a workbench, wherein two groups of first sliding rails are arranged at the upper end of the workbench at intervals, two groups of moving blocks are slidably connected to each group of first sliding rails, telescopic columns are arranged at the upper ends of the moving blocks, and a bearing plate is connected to the upper ends of the telescopic columns; the fixed frame is arranged at the upper end of the workbench, the middle part of the fixed frame is movably provided with a movable plate, and two sides of the movable plate are provided with racks; two groups of first lining rods are arranged at the front side of the fixed frame symmetrically by the central axis of the movable plate; two groups of second lining rods are arranged on the front side of the fixed frame symmetrically along the central axis of the movable plate and are positioned on the outer side of the first lining rods; the movable plate moves forwards along the fixed frame, and drives the two groups of clamping arms to rotate close to each other through the meshing of the rack and the transmission gear and the meshing of the transmission gear and the gear ring, so that two sides of the precision casting are abutted tightly, and the movable plate abuts against the rear side of the precision casting tightly. Simultaneously, provide a grinding device for precision casting.
Description
Technical Field
The invention relates to the technical field of precision casting production, in particular to a polishing device for precision castings and a positioning and clamping mechanism thereof.
Background
The precision casting refers to a general name of a process for obtaining precision size castings, is a metal forming object obtained by various casting methods, and compared with the traditional sand mold casting process, the precision casting has the advantages that the size of the castings obtained by precision casting is more accurate, the surface smoothness is better, and the precision casting mainly comprises the following steps: investment casting, ceramic casting, metal casting, pressure casting, lost foam casting.
The invention provides a grinding device for precision castings and a positioning and clamping mechanism thereof, which can solve the problems that precision of the precision castings is reduced due to the fact that the precision castings are shaken in the grinding process of the conventional grinding device, and metal particles generated by grinding are difficult to collect and randomly scatter.
Disclosure of Invention
The invention aims to provide a polishing device for a precision casting and a positioning and clamping mechanism thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a location fixture, is applied to precision casting grinding device on, includes:
the upper end of the workbench is provided with two groups of first slide rails at intervals, each group of first slide rails is connected with two groups of moving blocks in a sliding manner, the upper ends of the moving blocks are provided with telescopic columns, the upper ends of the telescopic columns are connected with a bearing plate, the upper end of the bearing plate is provided with a frame plate, and the frame plate forms a limiting groove on the bearing plate and is used for placing precision castings;
the fixed frame is arranged at the upper end of the workbench and is positioned at the rear sides of the two groups of bearing plates, a movable plate is movably arranged in the middle of the fixed frame, and racks are arranged on two sides of the movable plate;
two groups of first lining rods are symmetrically arranged on the front side of the fixed frame by the central axis of the movable plate, one end of each first lining rod, which is far away from the fixed frame, is rotatably provided with a transmission gear, and the transmission gear is meshed with the racks;
two groups of second lining rods are arranged on the front side of the fixed frame symmetrically along the central axis of the movable plate and are positioned on the outer side of the first lining rods, one end, far away from the fixed frame, of each second lining rod is rotatably provided with a gear ring, the gear ring is meshed with the transmission gear, and one side of the gear ring is provided with a clamping arm;
the first driving source is arranged at the rear side of the fixed frame and can be used for driving the moving plate to move forwards or backwards;
the movable plate moves forwards along the fixed frame, the two groups of clamping arms are driven to rotate close to each other through meshing of the racks and the transmission gear and meshing of the transmission gear and the gear ring, two sides of the precision casting are abutted, and the movable plate abuts against the rear side of the precision casting.
As a preferable technical solution of the present invention, a front abutting block is provided at an end of the moving plate away from the first driving source, and a side abutting block is provided at an end of the clamp arm away from the second lining rod.
As a preferred technical scheme of the invention, two groups of base plates are arranged between two groups of first sliding rails of the workbench, a plurality of groups of inclined blocks are arranged at the upper ends of the base plates, two adjacent groups of inclined blocks form an inclined groove, two groups of clamping jaws are hinged at the lower end of the bearing plate, the clamping jaws correspond to the base plates one by one and are matched with the inclined groove, an elastic shifting piece is arranged above the clamping rotation of the bearing plate, and the elastic shifting piece is contacted with the clamping jaws;
the precision casting is placed in the frame plate, and through the flexible post of gravity compression, makes the loading board downstream, and the jack catch joint is fixed the position of loading board in the chute that two sets of sloping blocks formed.
As a preferable technical solution of the present invention, the telescopic column is wound with a spring.
As a preferable technical scheme of the invention, the inner wall of the frame plate is provided with a rubber plate.
The invention also provides the following technical scheme: a grinding device for precision castings, comprising:
the side plate base comprises a base, wherein a back plate is arranged on the front side of the base, side plates are connected to two ends of the back plate, the side wall of the side plate base extends backwards, and material collecting grooves are respectively arranged at the joints of the base, the back plate and the side plates;
the positioning and clamping mechanism is arranged in the middle of the upper end of the base;
the polishing mechanism is arranged on the back plate and comprises a second driving source, a screw rod and a polishing assembly, the second driving source drives the screw rod to move forwards or backwards, and the polishing assembly moves along the screw rod to polish the compact assembly;
scrape the material mechanism, scrape the material mechanism setting in fixture below, be located the base upper end and be close to the groove department that gathers materials, scrape the material mechanism and include third driving source, second slide rail and scrape the material subassembly, the second driving source is used for the drive to scrape the material subassembly and makes reciprocating motion on the second slide rail, will fall to the metal particle on the base and scrape to the inslot that gathers materials.
According to a preferable technical scheme of the invention, the polishing assembly comprises a moving seat arranged on the screw rod, a driving motor is installed on one side, close to the workbench, of the moving seat through an installation frame, an output shaft of the driving motor is connected with a polishing wheel, and the driving motor drives the polishing wheel to rotate to polish the front side of the compact assembly.
As a preferred technical scheme of the invention, the scraping assembly comprises a movable plate which is connected to the second slide rail in a sliding manner, a fixed column is arranged at the upper end of the movable plate, a rotating sleeve is sleeved on the fixed column, a scraping plate is arranged on one side of the rotating sleeve, which is close to the material collecting groove, and a pivoting plate is arranged on the other side of the rotating sleeve, and limiting rods are arranged on the movable plate on two sides of the pivoting plate;
the rear side of the second sliding rail is provided with two groups of stop rods, the movable plate reciprocates on the second sliding rail, the scraping plate drives metal particles on the base to move, when the movable plate moves to one end of the second sliding rail, the pivoting plate is in contact with the group of stop rods, the scraping plate is driven to rotate through the rotating sleeve, and the scraping plate scrapes the metal particles into the collecting groove to be collected.
According to a preferable technical scheme of the invention, a material collecting box is arranged in the material collecting groove, a material guide plate is obliquely arranged on one side of the material collecting box close to the scraping mechanism, and through holes are respectively formed in the back plate and the side plate and used for taking and placing the material collecting box in the material collecting groove.
Compared with the prior art, the invention has the beneficial effects that: according to the polishing device for the precision casting, the precision casting is kept stable in the placing groove formed by the frame plate, stable positioning and clamping are realized on the precision casting, burrs on the precision casting are removed, metal particles fall down, the polishing effect is good, and the precision is high; and realize scraping the collection to reciprocating of the granule of metal, effectively avoided the metal granule to scatter at will, be difficult to collect the problem.
The polishing device for the precision casting and the positioning and clamping mechanism thereof have the following advantages,
1. the precision casting is placed in the frame plate, the telescopic column and the spring are compressed by gravity to enable the bearing plate to move downwards, the clamping jaws are clamped in chutes formed by the two groups of inclined blocks, the moving plate moves forwards along the fixing frame and drives the two groups of clamping arms to rotate at the positions close to each other through the meshing of the rack and the transmission gear and the gear ring, the side abutting blocks abut against the two sides of the precision casting and push the tightening component to abut against the frame plate backwards to drive the material bearing plate to move backwards along the slide rail, the clamping jaws move along the material bearing plate until the front abutting blocks abut against the rear side of the precision casting, the material bearing plate is clamped in the chutes formed by the two groups of inclined blocks through the clamping jaws to keep stable, the precision casting is subjected to side abutting acting force of the two groups of side abutting blocks, abutting force of the front abutting blocks against the rear side abutting block and counterforce of the abutting against the rear side frame plate, so that the precision casting is kept stable in the placing grooves formed by the frame plate, the stable positioning and clamping of the precision casting are realized;
2. the precision casting is placed on the bearing plate to achieve a buffering effect through the arranged telescopic columns and the springs, the material bearing plate is clamped in the chute formed by the two groups of inclined blocks through the clamping jaws to keep stable, the precision requirement of the compact casting is guaranteed, and the bearing plate resets under the action of elasticity after the precision casting is polished, so that the clamping jaws can automatically separate from the chute formed by the two groups of inclined blocks, and the position of the bearing plate is convenient to readjust;
3. the second driving source drives the screw rod to move backwards, namely to move close to the precision casting, the screw rod is driven to rotate by an external motor, the driving motor drives the polishing wheel to rotate to polish the front side of the compact assembly, the precision casting is kept stable, burrs on the precision casting are removed, metal particles fall down, the polishing effect is good, and the precision is high;
4. the third driving source drives the movable plate to do reciprocating motion on the second sliding rail, the scraping plate drives metal particles on the base to move, when one end of the second sliding rail is moved, the pivoting plate is in contact with a group of stop rods, the scraping plate is driven to rotate through the rotating sleeve, the metal particles are scraped into the collecting box by the scraping plate and collected, the rotating position of the pivoting plate is limited by the limiting rods, when the movable plate does reverse motion on the second sliding rail, the metal particles on the base can be scraped again by the scraping plate, reciprocating scraping and collecting of the metal particles are achieved, random scattering of the metal particles is effectively avoided, the metal particles are difficult to collect, and recycling of the metal particles is guaranteed through the collecting box which is regularly arranged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the connection between the carrier plate and the worktable according to the present invention;
FIG. 3 is a side sectional view of the connection between the carrier plate and the worktable according to the present invention;
FIG. 4 is a schematic view of the connection between the fixing frame and the first and second lining rods;
FIG. 5 is a schematic view of a grinding mechanism according to the present invention;
FIG. 6 is a schematic view of a grinding assembly according to the present invention;
FIG. 7 is a schematic view of the position relationship between the scraping mechanism and the base according to the present invention;
FIG. 8 is a side view of the scraper assembly in connection with the second slide rail in accordance with the present invention;
FIG. 9 is a top view of the connection between the scraping assembly and the second slide rail according to the present invention;
FIG. 10 is a schematic view of the connection of the pivot plate, scraper plate and rotating sleeve of the present invention;
in the figure: 100. a base; 110. a side plate; 120. a back plate; 130. a material collecting groove; 131. a material collecting box; 200. a work table; 210. a first slide rail; 211. a moving block; 220. a telescopic column; 221. a spring; 230. a carrier plate; 231. a frame plate; 232. a claw; 233. an elastic shifting piece; 240. a base plate; 241. a sloping block; 250. a fixed mount; 251. moving the plate; 252. a rack; 253. a front abutment block; 260. a first drive source; 270. a first lining rod; 271. a transmission gear; 280. a second lining rod; 281. a ring gear; 282. a clamp arm; 283. a side abutting block; 300. a polishing mechanism; 310. a second drive source; 320. a screw rod; 330. polishing the assembly; 331. a movable seat; 332. a drive motor; 333. grinding the wheel; 400. a scraping mechanism; 410. a third drive source; 420. a second slide rail; 430. a scraping component; 431. a movable plate; 432. fixing a column; 433. rotating the sleeve; 434. a pivot plate; 435. a scraping plate; 436. a limiting rod; 437. a stop lever; 438. a toothed plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 1-4, the present invention provides a technical solution: : the utility model provides a location fixture, is applied to precision casting grinding device on, includes:
the upper end of the workbench 200 is provided with two groups of first sliding rails 210 at intervals, each group of first sliding rails 210 is connected with two groups of moving blocks 211 in a sliding manner, the upper ends of the moving blocks 211 are provided with telescopic columns 220, springs 221 are wound on the telescopic columns 220, the upper ends of the telescopic columns 220 are connected with a bearing plate 230, the upper end of the bearing plate 230 is provided with a frame plate 231, the frame plate 231 forms a limiting groove on the bearing plate 230 and is used for placing precision castings, and the inner wall of the frame plate 231 is provided with a rubber plate;
the fixing frame 250 is arranged at the upper end of the workbench 200 and is positioned at the rear side of the two groups of bearing plates 230, a moving plate 251 is movably arranged in the middle of the fixing frame 250, and racks 252 are arranged on two sides of the moving plate 251;
two groups of first lining rods 270 are arranged on the front side of the fixed frame 250 in a manner of axial symmetry in the moving plate 251, one end of each first lining rod 270, which is far away from the fixed frame 250, is rotatably provided with a transmission gear 271, and the transmission gear 271 is meshed with the racks 252;
two groups of second lining rods 280, wherein the first lining rods 270 are symmetrically arranged on the front side of the fixed frame 250 along the central axis of the moving plate 251 and are positioned on the outer side of the first lining rods 270, one end of each second lining rod 280, which is far away from the fixed frame 250, is rotatably provided with a gear ring 281, the gear ring 281 is meshed with the transmission gear 271, and one side of the gear ring 281 is provided with a clamping arm 282;
a first driving source 260, the first driving source 260 being disposed at the rear side of the fixed frame 250 and being operable to drive the moving plate 251 to move forward or backward;
the moving plate 251 is provided with a front abutting block 253 at one end far away from the first driving source 260, and the clamping arm 282 is provided with a side abutting block 283 at one end far away from the second lining rod 280. The moving plate 251 moves forward along the fixing frame 250, and is engaged with the transmission gear 271 through the rack 252 and the transmission gear 271 is engaged with the gear ring 281, so as to drive the two sets of clamping arms 282 to rotate at the position where the two sets of clamping arms are close to each other, and the side abutting block 283 abuts against the two sides of the precision casting and abuts against the rear side of the precision casting through the front abutting block 253.
Example 2
Referring to fig. 1-4, the present invention provides a technical solution: : the utility model provides a location fixture, is applied to precision casting grinding device on, includes:
the upper end of the workbench 200 is provided with two groups of first sliding rails 210 at intervals, each group of first sliding rails 210 is connected with two groups of moving blocks 211 in a sliding manner, the upper ends of the moving blocks 211 are provided with telescopic columns 220, springs 221 are wound on the telescopic columns 220, the upper ends of the telescopic columns 220 are connected with a bearing plate 230, the upper end of the bearing plate 230 is provided with a frame plate 231, the frame plate 231 forms a limiting groove on the bearing plate 230 and is used for placing precision castings, and the inner wall of the frame plate 231 is provided with a rubber plate;
the fixing frame 250 is arranged at the upper end of the workbench 200 and is positioned at the rear side of the two groups of bearing plates 230, a moving plate 251 is movably arranged in the middle of the fixing frame 250, and racks 252 are arranged on two sides of the moving plate 251;
two groups of first lining rods 270 are arranged on the front side of the fixed frame 250 in a manner of axial symmetry in the moving plate 251, one end of each first lining rod 270, which is far away from the fixed frame 250, is rotatably provided with a transmission gear 271, and the transmission gear 271 is meshed with the racks 252;
two groups of second lining rods 280, wherein the first lining rods 270 are symmetrically arranged on the front side of the fixed frame 250 along the central axis of the moving plate 251 and are positioned on the outer side of the first lining rods 270, one end of each second lining rod 280, which is far away from the fixed frame 250, is rotatably provided with a gear ring 281, the gear ring 281 is meshed with the transmission gear 271, and one side of the gear ring 281 is provided with a clamping arm 282;
a first driving source 260, the first driving source 260 being disposed at the rear side of the fixed frame 250 and being operable to drive the moving plate 251 to move forward or backward;
a front abutting block 253 is arranged at one end of the moving plate 251, which is far away from the first driving source 260, and a side abutting block 283 is arranged at one end of the clamping arm 282, which is far away from the second lining rod 280; the workbench 200 is provided with two groups of base plates 240 between two groups of first sliding rails 210, the upper ends of the base plates 240 are provided with a plurality of groups of inclined blocks 241, two adjacent groups of inclined blocks 241 form an inclined groove, the lower end of the bearing plate 230 is hinged with two groups of clamping jaws 232, the clamping jaws 232 correspond to the base plates 240 one by one and are matched with the inclined groove, the bearing plate is provided with an elastic shifting piece 233 above the clamping rotation, and the elastic shifting piece 233 is contacted with the clamping jaws 232.
The precision casting is placed in the frame plate 231, the telescopic column 220 and the spring 221 are compressed by gravity, the bearing plate 230 moves downwards, the clamping jaws 232 are clamped in the chutes formed by the two groups of inclined blocks 241, the moving plate 251 moves forwards along the fixing frame 250, is engaged with the transmission gear 271 through the rack 252 and is engaged with the gear ring 281 to drive the two groups of clamping arms 282 to rotate at the positions where the two groups of clamping arms are close to each other, the side abutting blocks 283 abut against the two sides of the precision casting and push the tightening components to abut against the frame plate 231 backwards to drive the material bearing plate to move backwards along the slide rail, the clamping jaws 232 move along with the material bearing plate 240 until the front abutting blocks 253 abut against the rear side of the precision casting, so that the material bearing plate is clamped in the chutes formed by the clamping jaws 232 and is kept stable, and the precision casting is subjected to the side abutting action force of the two groups of side abutting blocks 283, the rear side abutting action force of the front abutting blocks 253 and the reaction force of the rear side abutting against the frame plate 231, the precision casting is kept stable in the placing groove formed by the frame plate 231, stable positioning and clamping are realized on the precision casting, subsequent polishing is facilitated, and the polishing effect is good; through the flexible post 220 and the spring 221 that set up for precision casting places the effect that plays the buffering on loading board 230, make the flitch that holds pass through jack catch 232 joint in the chute that two sets of sloping blocks 241 formed, and it is stable to keep, guarantees the required precision of inseparable foundry goods, and after precision casting polished and accomplished, loading board 230 resets under the effect of elasticity, make in jack catch 232 can break away from the chute that two sets of sloping blocks 241 formed automatically, be convenient for readjust the position of loading board 230.
Example 3
Referring to fig. 1-10, the present invention further provides the following technical solutions: a grinding device for precision castings, comprising:
a back plate 120 is arranged on the front side of the base 100, two ends of the back plate 120 are connected with side plates 110, the side plates 110 extend backwards from the side wall of the base 100, and material collecting grooves 130 are respectively arranged at the joints of the base 100, the back plate 120 and the side plates 110; a material collecting box 131 is arranged in the material collecting groove 130, a material guide plate is obliquely arranged on one side of the material collecting box 131 close to the scraping mechanism 400, and through holes are respectively formed in the back plate 120 and the side plate 110 and used for taking and placing the material collecting box 131 in the material collecting groove 130;
a positioning and clamping mechanism in embodiment 1 or embodiment 2, which is arranged in the middle of the upper end of the base 100;
the polishing mechanism 300 is arranged on the back plate 120, the polishing mechanism 300 comprises a second driving source 310, a screw rod 320 and a polishing assembly 330, the second driving source 310 drives the screw rod 320 to move forwards or backwards, and the polishing assembly 330 moves along the screw rod 320 to polish the compact assembly; the polishing assembly 330 comprises a moving seat 331 arranged on the screw 320, a driving motor 332 is arranged on one side of the moving seat 331 close to the workbench 200 through a mounting frame, a polishing wheel 333 is connected to an output shaft of the driving motor 332, and the driving motor 332 drives the polishing wheel 333 to rotate to polish the front side of the compact assembly;
the scraping mechanism 400 is arranged below the clamping mechanism and is positioned at the upper end of the base 100 and close to the collecting groove 130, the scraping mechanism 400 comprises a third driving source 410, a second sliding rail 420 and a scraping component 430, and the second driving source 310 is used for driving the scraping component 430 to reciprocate on the second sliding rail 420 and scraping the metal particles falling onto the base 100 into the collecting groove 130 for collection; the scraping component 430 comprises a movable plate 431 which is connected to the second slide rail 420 in a sliding manner, a fixed column 432 is arranged at the upper end of the movable plate 431, a rotating sleeve 433 is sleeved on the fixed column 432, a scraping plate 435 is arranged on one side of the rotating sleeve 433 close to the collecting groove 130, a pivoting plate 434 is arranged on the other side of the rotating sleeve 433, and limiting rods 436 are arranged on the movable plate 431 at two sides of the pivoting plate 434; two groups of blocking rods 437 are arranged at the rear side of the second slide rail 420, the movable plate 431 performs reciprocating motion on the second slide rail 420, the scraping plate 435 drives metal particles on the base 100 to move, when the movable plate moves to one end of the second slide rail 420, the pivot plate 434 is in contact with the group of blocking rods 437, the rotating sleeve 433 drives the scraping plate 435 to rotate, and the scraping plate 435 scrapes the metal particles into the collecting groove 130 for collection.
Specifically, the precision casting is placed in the frame plate 231, the telescopic column 220 and the spring 221 are compressed by gravity, the bearing plate 230 moves downwards, the clamping jaws 232 are clamped in the chutes formed by the two groups of inclined blocks 241, the moving plate 251 moves forwards along the fixing frame 250, is engaged with the transmission gear 271 through the rack 252 and is engaged with the gear ring 281, the two groups of clamping arms 282 are driven to rotate at the positions where the two groups of clamping arms are close to each other, the side abutting blocks 283 abut against the two sides of the precision casting and push the tightening assembly to abut against the frame plate 231 backwards, the material bearing plate is driven to move backwards along the slide rail, the clamping jaws 232 move along the backing plate 240 along with the material bearing plate until the front abutting blocks 253 abut against the rear side of the precision casting, the material bearing plate is clamped in the chutes formed by the clamping jaws 232, the precision casting is kept stable, and the precision casting is subjected to the side abutting action force of the two groups of side abutting blocks 283, the rear side abutting action force of the front abutting blocks 253 and the reaction force of the rear side abutting blocks 231, the precision casting is kept stable in the placing groove formed on the frame plate 231, and stable positioning and clamping are realized on the precision casting; the second driving source 310 drives the screw rod 320 to move backwards, namely to move close to the precision casting, the screw rod 320 is driven to rotate by an external motor, the driving motor 332 drives the polishing wheel 333 to rotate to polish the front side of the compact assembly, the precision casting is kept stable, burrs on the precision casting are removed, metal particles fall down, the polishing effect is good, and the precision is high;
the third driving source 410 drives the movable plate 431 to reciprocate on the second slide rail 420, the scraping plate 435 drives the metal particles on the base 100 to move, when the movable plate moves to one end of the second slide rail 420, the pivot plate 434 contacts with the set of blocking rods 437, the scraping plate 435 is driven to rotate through the rotating sleeve 433, the scraping plate 435 scrapes the metal particles into the collecting box 131 for collection, and the limiting rod 436 limits the rotating position of the pivot plate 434, so that when the movable plate 431 moves reversely on the second slide rail 420, the scraping plate 435 can scrape the metal particles on the base 100 again, thereby realizing the reciprocating scraping and collection of the metal particles, effectively avoiding the random scattering and difficult collection of the metal particles, and ensuring the recycling of the metal particles by regularly arranging the collecting box 131.
The first driving source 260 and the second driving source 310 are hydraulic cylinders, the third driving source 410 is a servo motor, a toothed plate 438 is arranged on the rear side of the movable plate 431, a reciprocating gear is connected to an output shaft of the servo motor, the servo motor rotates forwards and turns at intervals, the movable plate 431 is driven to reciprocate along the second sliding rail 420 by meshing of the reciprocating gear and the toothed plate 438, and the specific type is selected according to the actual requirement.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a location fixture, is applied to on the precision casting grinding device, its characterized in that includes:
the upper end of the workbench is provided with two groups of first slide rails at intervals, each group of first slide rails is connected with two groups of moving blocks in a sliding manner, the upper ends of the moving blocks are provided with telescopic columns, the upper ends of the telescopic columns are connected with a bearing plate, the upper end of the bearing plate is provided with a frame plate, and the frame plate forms a limiting groove on the bearing plate and is used for placing precision castings;
the fixed frame is arranged at the upper end of the workbench and is positioned at the rear sides of the two groups of bearing plates, a movable plate is movably arranged in the middle of the fixed frame, and racks are arranged on two sides of the movable plate;
two groups of first lining rods are symmetrically arranged on the front side of the fixed frame by the central axis of the movable plate, one end of each first lining rod, which is far away from the fixed frame, is rotatably provided with a transmission gear, and the transmission gear is meshed with the racks;
two groups of second lining rods are arranged on the front side of the fixed frame symmetrically along the central axis of the movable plate and are positioned on the outer side of the first lining rods, one end, far away from the fixed frame, of each second lining rod is rotatably provided with a gear ring, the gear ring is meshed with the transmission gear, and one side of the gear ring is provided with a clamping arm;
the first driving source is arranged at the rear side of the fixed frame and can be used for driving the moving plate to move forwards or backwards;
the movable plate moves forwards along the fixed frame, the two groups of clamping arms are driven to rotate close to each other through meshing of the racks and the transmission gear and meshing of the transmission gear and the gear ring, two sides of the precision casting are abutted, and the movable plate abuts against the rear side of the precision casting.
2. The positioning and clamping mechanism as recited in claim 1, wherein said movable plate is provided with a front abutment block at an end thereof remote from said first drive source, and said clamping arm is provided with a side abutment block at an end thereof remote from said second spacer.
3. The positioning and clamping mechanism as claimed in claim 1, wherein the worktable is provided with two sets of base plates between two sets of first slide rails, the base plates are provided with a plurality of sets of inclined blocks at the upper ends thereof, two adjacent sets of inclined blocks form an inclined groove, the lower end of the bearing plate is hinged with two sets of clamping jaws, the clamping jaws correspond to the base plates one by one and are matched with the inclined groove, the material bearing plate is provided with an elastic shifting piece above the clamping rotation, and the elastic shifting piece is contacted with the clamping jaws;
the precision casting is placed in the frame plate, and through the flexible post of gravity compression, makes the loading board downstream, and the jack catch joint is fixed the position of loading board in the chute that two sets of sloping blocks formed.
4. The positioning and clamping mechanism as recited in claim 1, wherein said telescoping mast is spring loaded.
5. The positioning and clamping mechanism as claimed in claim 1, wherein said inner wall of said frame plate is provided with a rubber plate.
6. The utility model provides a grinding device for precision casting which characterized in that includes:
the side plate base comprises a base, wherein a back plate is arranged on the front side of the base, side plates are connected to two ends of the back plate, the side wall of the side plate base extends backwards, and material collecting grooves are respectively arranged at the joints of the base, the back plate and the side plates;
the positioning and clamping mechanism as claimed in any one of claims 1-5, wherein the positioning and clamping mechanism is arranged in the middle of the upper end of the base;
the polishing mechanism is arranged on the back plate and comprises a second driving source, a screw rod and a polishing assembly, the second driving source drives the screw rod to move forwards or backwards, and the polishing assembly moves along the screw rod to polish the compact assembly;
scrape the material mechanism, scrape the material mechanism setting in fixture below, be located the base upper end and be close to the groove department that gathers materials, scrape the material mechanism and include third driving source, second slide rail and scrape the material subassembly, the second driving source is used for the drive to scrape the material subassembly and makes reciprocating motion on the second slide rail, will fall to the metal particle on the base and scrape to the inslot that gathers materials.
7. The grinding device for the precision castings according to claim 6, wherein the grinding assembly comprises a moving seat arranged on the screw rod, a driving motor is mounted on one side of the moving seat close to the workbench through a mounting frame, a grinding wheel is connected to an output shaft of the driving motor, and the driving motor drives the grinding wheel to rotate to grind the front side of the compact assembly.
8. The grinding device for the precision castings according to claim 6, wherein the scraping assembly comprises a movable plate slidably connected to a second slide rail, a fixed column is arranged at the upper end of the movable plate, a rotating sleeve is sleeved on the fixed column, a scraping plate is arranged on one side of the rotating sleeve close to the material collecting tank, a pivot plate is arranged on the other side of the rotating sleeve, and limiting rods are arranged on the movable plate on two sides of the pivot plate;
the rear side of the second sliding rail is provided with two groups of stop rods, the movable plate reciprocates on the second sliding rail, the scraping plate drives metal particles on the base to move, when the movable plate moves to one end of the second sliding rail, the pivoting plate is in contact with the group of stop rods, the scraping plate is driven to rotate through the rotating sleeve, and the scraping plate scrapes the metal particles into the collecting groove to be collected.
9. The grinding device for the precision castings according to claim 6, wherein a material collecting box is arranged in the material collecting groove, a material guide plate is obliquely arranged on one side of the material collecting box close to the scraping mechanism, and through holes are respectively formed in the back plate and the side plates and used for taking and placing the material collecting box in the material collecting groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110898131.6A CN113579898B (en) | 2021-08-05 | 2021-08-05 | Polishing device for precision casting and positioning and clamping mechanism thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110898131.6A CN113579898B (en) | 2021-08-05 | 2021-08-05 | Polishing device for precision casting and positioning and clamping mechanism thereof |
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| CN113579898A true CN113579898A (en) | 2021-11-02 |
| CN113579898B CN113579898B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110898131.6A Active CN113579898B (en) | 2021-08-05 | 2021-08-05 | Polishing device for precision casting and positioning and clamping mechanism thereof |
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| CN115416862A (en) * | 2022-08-23 | 2022-12-02 | 国网四川省电力公司信息通信公司 | Unmanned aerial vehicle positioning system based on big dipper |
| CN116065161A (en) * | 2023-03-03 | 2023-05-05 | 浙江飞龙精密铸造有限公司 | Casting surface treatment equipment |
| CN115416862B (en) * | 2022-08-23 | 2024-10-22 | 国网四川省电力公司信息通信公司 | Unmanned aerial vehicle positioning system based on big dipper |
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|---|---|
| CN113579898B (en) | 2023-05-23 |
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