CN116442037B - Automatic polishing machine tool - Google Patents

Automatic polishing machine tool Download PDF

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Publication number
CN116442037B
CN116442037B CN202310705777.7A CN202310705777A CN116442037B CN 116442037 B CN116442037 B CN 116442037B CN 202310705777 A CN202310705777 A CN 202310705777A CN 116442037 B CN116442037 B CN 116442037B
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CN
China
Prior art keywords
clamping
workpiece
seat
clamp
driving
Prior art date
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Active
Application number
CN202310705777.7A
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Chinese (zh)
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CN116442037A (en
Inventor
赵冠超
丁华
丁凯
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Laizhou Boenke Automation Technology Co ltd
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Laizhou Boenke Automation Technology Co ltd
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Priority to CN202310705777.7A priority Critical patent/CN116442037B/en
Publication of CN116442037A publication Critical patent/CN116442037A/en
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Publication of CN116442037B publication Critical patent/CN116442037B/en
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Classifications

    • 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
    • B24B9/007—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for end faces of tubes
    • 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • 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
    • B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
    • 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
    • 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
    • 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
    • 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
    • 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

Abstract

The invention discloses an automatic polishing machine tool, which belongs to the technical field of polishing machine tools and comprises a frame, a workpiece clamping mechanism and a workpiece polishing mechanism, wherein the workpiece clamping mechanism comprises at least one clamping assembly, a clamping driving mechanism and a rotary driving mechanism, and the clamping assembly is arranged on the frame through a horizontal driving mechanism; the clamping assembly comprises a first clamp disc and a second clamp disc, clamping jaws are arranged on the clamp discs, and the clamp discs are arranged on the clamping seats; the workpiece polishing mechanism comprises a lifting slide plate, at least one polishing assembly and a Z-direction driving mechanism, wherein the polishing assembly comprises a grinding wheel for polishing a workpiece and a polishing motor for driving the grinding wheel to rotate, and a wheel shaft of the grinding wheel is rotatably arranged on the lifting slide plate. The invention has the advantages of simple and compact structure, low equipment cost, convenient subsequent maintenance, automatic polishing, safety and reliability, meets the requirement of polishing quality consistency, ensures the polishing quality of workpieces, and obviously improves the polishing efficiency.

Description

Automatic polishing machine tool
Technical Field
The invention belongs to the technical field of polishing machine tools, and particularly relates to an automatic polishing machine tool.
Background
The casting is a metal molding product obtained by casting, such as an elbow, and is manufactured by pouring molten metal into a pre-prepared casting mold by other casting methods, such as pouring, etc., wherein pouring gates and risers are needed in the casting process, and the mold closing line is a seam generated on the casting due to the fact that the molten metal flows into gaps among casting mold parts, and neither the pouring gates, the risers nor the mold closing line is needed by a workpiece, so that the pouring gates, the risers and the mold closing line of the elbow after casting need polishing treatment.
The existing pouring gate, riser and die line after casting the workpiece are manually polished by a grinder or an angle grinder, so that on one hand, the manual polishing has low polishing work efficiency, is affected by human factors, has poor polishing consistency, cannot ensure the quality of the workpiece after polishing, on the other hand, the whole polishing process is heavy in pollution, high in dangerous degree, frequent in occupational diseases such as pneumoconiosis, difficult to bring about by polishing personnel, and high in labor cost.
At present, the casting is polished by using an industrial robot, the polishing industrial robot is obviously improved in efficiency relative to manual polishing, and is safer and more reliable, but the polishing industrial robot is high in price and cost on one hand, and the polishing industrial robot is weaker in rigidity in the aspect of casting polishing and high in maintenance cost on the other hand.
Disclosure of Invention
The invention provides an automatic polishing machine tool aiming at the defects in the prior art.
The technical scheme for solving the technical problems is as follows: the automatic polishing machine tool comprises a frame, a workpiece clamping mechanism and a workpiece polishing mechanism, wherein the workpiece clamping mechanism and the workpiece polishing mechanism are arranged on the frame;
the workpiece clamping mechanism comprises at least one clamping assembly, a clamping driving mechanism and a rotary driving mechanism, wherein the clamping driving mechanism is used for driving the clamping assembly to clamp or loosen a workpiece, the clamping assembly is arranged on the base through a horizontal driving mechanism, the horizontal driving mechanism comprises an X-direction driving mechanism, an X-direction sliding seat, a Y-direction driving mechanism and a Y-direction sliding seat, the X-direction sliding seat is arranged on the base through the X-direction driving mechanism, and the Y-direction sliding seat is arranged on the X-direction sliding seat through the Y-direction driving mechanism;
the clamping assembly comprises a first clamp disc and a second clamp disc, clamping jaws for clamping a workpiece are arranged on the first clamp disc and the second clamp disc respectively, the first clamp disc and the second clamp disc are respectively and rotatably arranged on a first clamping seat and a second clamping seat, the first clamping seat and the second clamping seat are respectively arranged on the Y-direction sliding seat to be connected, and the first clamp disc and the second clamp disc rotate under the action of the rotary driving mechanism;
the workpiece polishing mechanism comprises a lifting slide plate, at least one polishing assembly and a Z-direction driving mechanism for driving the lifting slide plate to move up and down, and the lifting slide plate is arranged on the upright post through a Z-direction guide rail; the grinding assembly comprises a grinding wheel for grinding the workpiece and a grinding motor for driving the grinding wheel to rotate, and the wheel shaft of the grinding wheel is rotatably arranged on the lifting slide plate.
The beneficial effects of the invention are as follows: the workpiece is placed between the clamping jaw of the first clamp disc and the clamping jaw of the second clamp disc, the first clamp disc and the second clamp disc are close to clamp the workpiece under the action of the clamping driving mechanism, the pouring gate and the riser of the workpiece are at the two pipe end positions of the workpiece, the two pipe end surfaces of the workpiece are respectively in a vertical state through the rotary driving mechanism, the X-direction driving mechanism and the Y-direction driving mechanism, the grinding wheel downwards acts on the pipe end positions under the action of the Z-direction driving mechanism, so that the positions of the pouring gate and the riser of the workpiece are respectively polished, and when the grinding wheel polishes a die line on the workpiece, the rotary driving mechanism drives the workpiece to rotate and simultaneously controls the workpiece to move along the Y-axis direction in cooperation with the Y-direction driving mechanism, so that the polishing of the surface die line of the workpiece is realized. The invention has the advantages of simple and compact structure, low equipment cost, convenient subsequent maintenance, automatic polishing, safety and reliability, meets the requirement of polishing quality consistency, ensures the polishing quality of workpieces, and obviously improves the polishing efficiency.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the first clamp disc is arranged on the first clamp seat through the positioning and adjusting mechanism, and the second clamp disc rotates under the action of the rotary driving mechanism.
The clamping jaw positioning device has the advantages that before workpiece feeding, the position of the clamping jaw on the first clamp disc can be adjusted through the action of the positioning adjusting mechanism, and the position of the clamping jaw on the second clamp disc is adjusted through the rotary driving mechanism, so that the angles of the clamping jaw on the first clamp disc and the clamping jaw on the second clamp disc which are matched with each other are consistent, and the clamping jaw can be matched with the workpiece to stably position the workpiece during feeding; and after the first clamp disc and the second clamp disc are matched to clamp the workpiece, the positioning adjusting mechanism can be reset, so that the workpiece rotation in the polishing process is prevented from being influenced.
Further, the positioning adjusting mechanism comprises a positioning cylinder, a positioning cam disc and a positioning concave cam disc matched with the positioning cam disc, wherein the cylinder body of the positioning cylinder is arranged on the first clamping seat, the first clamping disc is rotatably arranged on the first clamping seat through a first clamping shaft, the positioning cam disc is arranged on a piston rod of the positioning cylinder or on the first clamping shaft, and the positioning concave cam disc is arranged on the first clamping shaft or on the piston rod of the positioning cylinder.
The technical scheme has the advantages that the special positioning cylinder acts, the positioning cam disc extends out and is inserted and assembled with the positioning cam disc, so that the position of the clamping jaw of the first clamp disc is determined, the second clamp disc rotates under the action of the rotary driving mechanism, the position of the clamping jaw of the second clamp disc is determined, and the angles of the clamping jaw of the first clamp disc and the clamping jaw of the second clamp disc are consistent, so that a workpiece to be polished can be accurately and stably positioned.
Further, the second clamp disc is rotatably arranged on the second clamp seat through a second clamp shaft, the rotary driving mechanism comprises a driving wheel and a rotary power mechanism for driving the driving wheel to rotate, and the driving wheel is arranged on the second clamp shaft.
The rotary power mechanism is operated, the driving wheel rotates, the second clamp shaft is driven to rotate, the second clamp disc rotates, and the clamping jaw rotates to the angular position for positioning the workpiece to be polished. The clamping jaw position of the second clamp disc can be adjusted through the rotary driving mechanism, so that the clamping jaw angle of the second clamp disc is consistent with the clamping jaw angle of the first clamp disc, and a workpiece to be polished is waiting to be positioned; the clamping jaw of the second clamp disc can be driven to clamp the workpiece to rotate in the workpiece polishing process, when the workpiece needs to rotate, the positioning cylinder resets, the positioning tooth disc is separated from the positioning tooth disc, and at the moment, the clamping jaw of the first clamp disc can clamp the workpiece to rotate with the clamping jaw of the second clamp disc, so that the workpiece is polished at the corresponding position.
Further, the rotary power mechanism comprises a driving wheel, a conveying belt encircling the driving wheel and a driving motor for driving the driving wheel to rotate, and the driving motor is in driving connection with the driving wheel through a speed reducer.
The technical scheme has the advantages that for a specific power structure of the driving wheel, a transmission motor and a driving wheel can be adopted, the driving wheel is driven to rotate by the power of the transmission motor through the driving wheel and the driving belt, and the transmission motor can be arranged at the bottom of the Y-direction sliding seat to avoid interference with clamping and loosening of a workpiece. In order to meet the requirements of polishing tracks and polishing amounts of pouring gates, risers and mold closing lines of workpieces, the workpieces clamped by the clamping jaws are required to move in the horizontal direction, the clamping jaw shaft is required to be used as a rotation center for rotation, the rotary driving mechanism is arranged on the second clamping seat, space on the Y-direction sliding seat is fully utilized, the number of the rotary driving mechanisms is reduced, the cost is reduced, and the problems that the rotary driving mechanism consumes high energy along with the reciprocation of the first clamping seat and even affects the transmission effect of the rotary driving mechanism are avoided.
Further, the automatic feeding and discharging mechanism comprises a material seat, a material frame arranged on the material seat, at least one bracket arranged on the material frame and a feeding and discharging cylinder used for driving the material frame to move, wherein the material seat is arranged on the base, and the material frame is arranged on the material seat through a Y-direction line rail.
The automatic feeding and discharging mechanism has the advantages that feeding and discharging of the workpiece to be polished can be achieved manually, automatic feeding and discharging can be achieved, automatic feeding and discharging safety is better, the workpiece can be placed on the bracket when the bracket is located at the feeding position, the feeding and discharging cylinder acts, the bracket approaches the clamping assembly along the Y-direction linear rail, the bracket carries the workpiece to be moved between the clamping jaws of the first clamp disc and the second clamp disc, namely, the workpiece clamping position is formed, the clamping driving mechanism acts, the first clamp disc and the second clamp disc are matched to clamp the workpiece, the bracket resets under the action of the feeding and discharging cylinder to wait for workpiece discharging, after the workpiece is polished, the bracket is subjected to workpiece receiving at the receiving position under the action of the feeding and discharging cylinder, then the clamping driving mechanism acts to loosen the workpiece, the bracket carries the workpiece discharging under the action of the feeding and discharging cylinder, the workpiece to be polished is taken down to place the next workpiece to be polished on the bracket, and polishing of the next workpiece can be performed. Automatic feeding and discharging is high in feeding and discharging efficiency, positioning is more accurate, and operators feed materials at positions far away from the workpiece polishing mechanism, so that the automatic feeding and discharging device is safer and more reliable.
Further, the device also comprises a transverse moving air cylinder for driving the bracket to transversely move, wherein the bracket is connected with the material rack through the transverse moving air cylinder, and the bracket is arranged on the material rack through an X-direction line rail.
The beneficial effect of adopting above-mentioned further scheme is, sideslip cylinder can be used to adjust the bracket in the ascending position of X axle to work piece on the bracket can enter into the accurate alignment between first anchor clamps dish and the second anchor clamps dish smoothly when automatic feeding, realizes the accurate material loading of work piece, guarantees the quality of polishing of work piece. In addition, when facing elbow workpieces with different specifications, the positions of the first clamp disc and the second clamp disc can be adjusted, and the configuration of the transverse moving cylinder enables the bracket to be suitable for automatic feeding and discharging of more workpieces with different specifications.
Further, the lifting device also comprises a lifting cylinder for driving the bracket to lift, and the bracket is connected with a piston rod of the traversing cylinder through the lifting cylinder.
The lifting cylinder can be used for adjusting the position of the bracket in the height direction so that workpieces fed through the bracket can accurately enter the clamping space of the clamping jaw, and therefore the accuracy of automatic feeding of the workpieces is guaranteed.
Further, the grinding wheel comprises a grinding wheel body, a convex ring is arranged on the grinding wheel body, the convex ring is at least arranged on one side end face of the grinding wheel body, and grinding coatings are arranged on the convex ring and the grinding surface of the grinding wheel body, which is positioned on the outer side of the convex ring.
The grinding wheel has the beneficial effects that the grinding wheel body is provided with the grinding part, the end face of the elbow pipe orifice can be ground by utilizing the grinding part on the grinding wheel body, the mold closing line can be ground, and the convex ring is also arranged and can be used for grinding the peripheral face position of the elbow pipe orifice and the end face position of the elbow pipe orifice.
Further, the clamping driving mechanism comprises a clamping cylinder, the clamping cylinder is arranged on the Y-direction sliding seat, and a piston rod of the clamping cylinder is connected with the first clamping seat.
The clamping driving mechanism has the beneficial effects that the clamping driving mechanism is specifically provided with the clamping cylinder, the clamping cylinder is used for driving the first clamping seat, the second clamping seat can adopt a fixed structure, for example, the second clamping seat is fixed on the Y-direction sliding seat through the fastener, and the rotation driving mechanism is convenient for driving the rotation of the second clamping disc, so that the rotation driving of the clamping workpiece is realized.
Further, the lifting device further comprises an auxiliary lifting mechanism, the auxiliary lifting mechanism comprises an auxiliary wheel, an auxiliary rope or an auxiliary chain matched with the auxiliary wheel and a balancing weight, the auxiliary wheel is rotatably arranged on the upright post, one end of the auxiliary rope or the auxiliary chain bypasses the auxiliary wheel to be connected with the lifting sliding plate, and the other end of the auxiliary rope or the auxiliary chain is connected with the balancing weight.
The Z-direction driving mechanism is used for driving the lifting slide plate and the grinding wheel assembly to move up and down, so that the auxiliary lifting mechanism can be additionally arranged for more conveniently lifting and driving the lifting slide plate and the grinding wheel assembly, the weight of the workpiece polishing mechanism is reduced through the balancing weight, the easy lifting and driving of the grinding wheel is realized, the energy consumption is reduced, and the service life of the Z-direction driving mechanism can be prolonged.
Further, still including being used for adjusting the high adjustment mechanism of polishing subassembly position, polishing subassembly still includes the axle bed, the shaft rotation of emery wheel sets up on the axle bed, the axle bed pass through connecting bolt with the lift slide is connected, high adjustment mechanism includes ejector pin seat and acts on the regulation ejector pin of axle bed, the regulation ejector pin with ejector pin seat threaded connection, the ejector pin seat sets up on the lift slide, be equipped with on the lift slide and supply the movable hole of the shaft of emery wheel reciprocates, be equipped with on the axle bed and supply the rectangular through-hole of connecting bolt up-and-down activity.
The grinding wheel has the beneficial effects that the height of the grinding wheel can be finely adjusted through the height adjusting mechanism, so that the grinding wheel can accurately grind the pouring gate, the riser and the mould closing line on the workpiece, and the grinding quality of the workpiece is further improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a front view structure of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a schematic view of a rear view angle perspective structure of the present invention;
FIG. 5 is a schematic view of the structure of the automatic feeding and discharging mechanism for removing the present invention;
FIG. 6 is a schematic view of a rotary drive mechanism according to the present invention;
FIG. 7 is a schematic view of the grinding wheel of the present invention;
FIG. 8 is a schematic view of the internal structure of the positioning adjustment mechanism of the present invention;
FIG. 9 is a schematic view of the structure of an elbow workpiece;
FIG. 10 is a schematic view of the structure of the elbow of the present invention on a grinding machine;
in the figure, 1, a base; 2. a column; 3. a first clamp plate; 301. a first clamp shaft; 4. a first clamping seat; 5. a second clamp plate; 501. a second clamp shaft; 6. a second clamping seat; 7. a clamping jaw; 8. a Y-direction slide seat; 9. a transverse slide rail; 10. an X-direction sliding seat; 11. grinding wheel; 110. a convex ring; 111. polishing the coating; 12. a lifting slide plate; 13. a Z-direction guide rail; 14. polishing a motor; 15. a material seat; 16. a material rack; 17. a bracket; 18. feeding and discharging cylinders; 19. y-direction line rail; 20. a traversing cylinder; 21. an X-direction line rail; 22. lifting a cylinder; 23. a clamping cylinder; 24. a driving wheel; 25. a driving wheel; 26. a conveyor belt; 27. a drive motor; 28. an auxiliary wheel; 29. an auxiliary chain; 30. balancing weight; 31. x-direction screw rod; 32. an X-direction servo motor; 33. y-direction screw rod; 34. a Y-direction servo motor; 35. a Z-direction screw rod; 36. a Z-direction servo motor; 37. a push rod seat; 38. adjusting the ejector rod; 39. a shaft seat; 40. positioning a cylinder; 41. positioning the cam disc; 42. positioning a concave tooth disc; 43. an elbow; 431. a gate; 432. riser; 433. and (5) a die line.
Detailed Description
The principles and features of the present invention are described below in connection with examples, which are set forth only to illustrate the present invention and not to limit the scope of the invention.
As shown in fig. 1-10, an automatic polishing machine tool comprises a frame, a workpiece clamping mechanism and a workpiece polishing mechanism, wherein the workpiece clamping mechanism and the workpiece polishing mechanism are arranged on the frame, the frame comprises a base 1 and a stand column 2 arranged on the base 1, the workpiece clamping mechanism is arranged on the base 1, and the workpiece polishing mechanism is arranged on the stand column 2;
the workpiece clamping mechanism comprises at least one clamping assembly, a clamping driving mechanism and a rotary driving mechanism, wherein the clamping driving mechanism is used for driving the clamping assembly to clamp or loosen a workpiece, the clamping assembly is arranged on the base 1 through a horizontal driving mechanism, the horizontal driving mechanism comprises an X-direction driving mechanism, an X-direction sliding seat 10, a Y-direction driving mechanism and a Y-direction sliding seat 8, the X-direction sliding seat 10 is arranged on the base 1 through the X-direction driving mechanism, and the Y-direction sliding seat 8 is arranged on the X-direction sliding seat 10 through the Y-direction driving mechanism;
the clamping assembly comprises a first clamp disc 3 and a second clamp disc 5, clamping claws 7 for clamping workpieces are arranged on the first clamp disc 3 and the second clamp disc 5, the first clamp disc 3 and the second clamp disc 5 are respectively and rotatably arranged on a first clamping seat 4 and a second clamping seat 6, the first clamping seat 4 and the second clamping seat 6 are connected with the Y-direction sliding seat 8 through transverse sliding rails 9, and the first clamp disc 3 and the second clamp disc 5 rotate under the action of the rotary driving mechanism;
the workpiece polishing mechanism comprises a lifting slide plate 12, at least one polishing component and a Z-direction driving mechanism for driving the lifting slide plate 12 to move up and down, and the lifting slide plate 12 is arranged on the upright post 2 through a Z-direction guide rail 13; the grinding assembly comprises a grinding wheel 11 for grinding a workpiece and a grinding motor 14 for driving the grinding wheel 11 to rotate, and the wheel shaft of the grinding wheel 11 is rotatably arranged on the lifting slide plate 12.
The grinding motor 14 is mounted on the lifting slide plate 12, and an output shaft of the grinding motor 14 is connected with a wheel shaft of the grinding wheel 11. The Z-direction guide rail 13 is provided with a pair of Z-direction slide blocks which are arranged on the upright posts 2, and the lifting slide plate 12 is provided with the Z-direction slide blocks matched with the Z-direction guide rail 13.
The first clamp disc 3 is arranged on the first clamp seat 4 through a positioning and adjusting mechanism, and the second clamp disc 5 rotates under the action of the rotary driving mechanism. Before workpiece feeding, the position of the clamping jaw 7 on the first clamp disc 3 can be adjusted through the action of the positioning adjusting mechanism, and the position of the clamping jaw 7 on the second clamp disc 5 is adjusted through the rotary driving mechanism, so that the angles of the clamping jaw 7 on the first clamp disc 3 and the clamping jaw 7 on the second clamp disc 5 which are matched with each other are consistent, and the clamping jaw 7 can be matched with the workpiece to stably position the workpiece during feeding; and after the first clamp disc 3 and the second clamp disc 5 are matched to clamp the workpiece, the positioning adjusting mechanism can be reset, so that the workpiece rotation in the polishing process is prevented from being influenced.
The positioning adjusting mechanism comprises a positioning cylinder 40, a positioning cam disc 41 and a positioning cam disc 42 matched with the positioning cam disc 41, wherein a cylinder body of the positioning cylinder 40 is arranged on the first clamping seat 4, the first clamping disc 3 is rotatably arranged on the first clamping seat 4 through a first clamping shaft 301, the positioning cam disc 41 is arranged on a piston rod of the positioning cylinder 40, and the positioning cam disc 42 is arranged on the first clamping shaft 301. As shown in fig. 8, the piston rod of the positioning cylinder 40 extends, the positioning cam disc 41 extends and is in insertion fit with the positioning cam disc 42, so that the position of the clamping jaw 7 of the first clamp disc 3 is determined, the second clamp disc 5 rotates under the action of the rotation driving mechanism, so that the position of the clamping jaw 7 of the second clamp disc 5 is determined, and the angles of the clamping jaw 7 of the first clamp disc 3 and the clamping jaw 7 of the second clamp disc 5 are consistent, so that a workpiece to be polished can be accurately and stably positioned.
The positioning cam disc 41 and the positioning cam disc 42 have the same tooth number and the equal division angle is 360 degrees/tooth number, and when the driving wheel 24 rotates by multiple of the equal division angle, the positioning cam disc 41 can be embedded into the positioning cam disc 42, so that the requirement of accurate positioning is met.
The first clamping shaft 301 is connected to the first clamping seat 4 through a bearing or a shaft sleeve. Of course, the positioning cam 41 may be disposed on the first fixture shaft 301, and the positioning cam 42 may be disposed on a piston rod of the positioning cylinder 40.
The second chuck plate 5 is rotatably disposed on the second chuck base 6 through a second chuck shaft 501, the rotation driving mechanism includes a driving wheel 24 and a rotation power mechanism for rotating the driving wheel 24, and the driving wheel 24 is disposed on the second chuck shaft 501. The rotary power mechanism acts, and the driving wheel 24 rotates to drive the second clamp shaft 501 to rotate, and the second clamp disc 5 rotates to enable the clamping jaw 7 of the second clamp disc 5 to rotate to the angular position for positioning the workpiece to be polished. The position of the clamping jaw 7 of the second clamp disc 5 can be adjusted through the rotary driving mechanism, so that the angle of the clamping jaw 7 of the first clamp disc 3 is consistent with that of the workpiece to be polished to be positioned; the clamping jaw 7 of the second clamp disc 5 can be driven to clamp the workpiece to rotate in the workpiece polishing process, when the workpiece needs to rotate, the positioning cylinder 40 is reset, the positioning cam disc 41 is separated from the positioning cam disc 42, and at the moment, the clamping jaw 7 of the first clamp disc 3 can clamp the workpiece to rotate with the clamping jaw 7 of the second clamp disc 5, so that the workpiece can be polished at the corresponding position.
The second clamping shaft 501 is connected to the second clamping seat 6 through a bearing or a shaft sleeve.
The rotary power mechanism comprises a driving wheel 25, a conveying belt 26 encircling the driving wheel 24 and the driving wheel 25 and a driving motor 27 for driving the driving wheel 25 to rotate, wherein the driving motor 27 is in driving connection with the driving wheel 25 through a speed reducer. The power of the transmission motor 27 is transmitted to the driving wheel 24 through the transmission wheel 25 and the transmission belt 26 to rotate, and the transmission motor 27 can be arranged at the bottom of the Y-direction sliding seat 8 to avoid interference with clamping and loosening of the workpiece. In order to meet the requirements of polishing tracks and polishing amounts of the gate 431, the riser 432 and the die-bonding line 433 of the workpiece, the workpiece clamped by the clamping jaw 7 is required to move in the horizontal direction, the clamping shaft is required to be used as a rotation center for rotation, the rotation driving mechanism is arranged on the second clamping seat 6, the space on the Y-direction sliding seat 8 is fully utilized, the number of the rotation driving mechanisms is reduced, the cost is reduced, and the problems that the rotation driving mechanism consumes high energy along with the reciprocation of the first clamping seat 4 and even affects the transmission effect of the rotation driving mechanism are avoided.
After the workpiece is clamped, the transmission motor 27 does not participate in the linkage of other X, Y, Z shafts, only plays a role of a workpiece rotation angle, and the positioning cam disc 41 must be withdrawn from the positioning cam disc 42 when the transmission motor 27 acts. When the workpiece does not need to rotate, the positioning cam disc 41 can be embedded into the positioning cam disc 42 at a certain equal angle, so that the workpiece is positioned and fixed, and the workpiece is subjected to large torsion when the grinding wheel 11 grinds the workpiece.
The automatic grinding machine tool further comprises an automatic feeding and discharging mechanism, the automatic feeding and discharging mechanism comprises a material seat 15, a material rack 16 arranged on the material seat 15, at least one bracket 17 arranged on the material rack 16 and a feeding and discharging cylinder 18 used for driving the material rack 16 to move, the material seat 15 is arranged on the base 1, and the material rack 16 is arranged on the material seat 15 through a Y-direction line rail 19. The workpiece to be polished can be manually fed and discharged, automatic feeding and discharging can be adopted, the automatic feeding and discharging safety is better, the workpiece can be placed on the bracket 17 when the bracket 17 is positioned at the feeding position, the feeding and discharging air cylinder 18 acts, the material rack 16 approaches to the clamping assembly along the Y-direction linear rail 19, the bracket 17 carries the workpiece to be moved between the clamping jaws 7 of the first clamp disc 3 and the second clamp disc 5, namely, the workpiece clamping position is formed, the clamping driving mechanism acts, the first clamp disc 3 and the second clamp disc 5 are matched to clamp the workpiece, the bracket 17 resets under the action of the feeding and discharging air cylinder 18 to wait for workpiece discharging, after the workpiece is polished, the bracket 17 carries out material receiving under the action of the feeding and discharging air cylinder 18, then the clamping driving mechanism acts to loosen the workpiece, the bracket 17 carries workpiece discharging under the action of the feeding and discharging air cylinder 18, the polished workpiece is taken down, the next workpiece to be polished is placed on the bracket 17, and polishing of the next workpiece can be performed. Automatic feeding and discharging is high in feeding and discharging efficiency, positioning is more accurate, and operators feed materials at positions far away from the workpiece polishing mechanism, so that the automatic feeding and discharging device is safer and more reliable.
The Y-direction line rail 19 is arranged on the material rack 16, and a feeding Y-direction sliding block matched with the Y-direction line rail 19 is arranged on the material seat 15.
The automatic feeding and discharging mechanism further comprises a transverse moving air cylinder 20 used for driving the bracket 17 to transversely move, the bracket 17 is connected with the material rack 16 through the transverse moving air cylinder 20, and the bracket 17 is arranged on the material rack 16 through an X-ray rail 21. The sideslip cylinder 20 can be used to adjust the position of bracket 17 in X axial direction to the work piece on the bracket 17 can enter into between first anchor clamps dish 3 and the second anchor clamps dish 5 smoothly and accurately to aim at when automatic feeding, realizes the accurate material loading of work piece, guarantees the quality of polishing of work piece. In addition, when facing the elbow 43 workpieces with different specifications, the positions of the first clamp disc 3 and the second clamp disc 5 can be adjusted, and the configuration of the traversing cylinder 20 enables the bracket 17 to be suitable for automatic feeding of more workpieces with different specifications.
The automatic feeding and discharging mechanism further comprises a lifting air cylinder 22 for driving the bracket 17 to lift, and the bracket 17 is connected with a piston rod of the traversing air cylinder 20 through the lifting air cylinder 22. The lifting cylinder 22 can be used for adjusting the position of the bracket 17 in the height direction so that the workpiece fed by the bracket 17 can accurately enter the clamping space of the clamping jaw 7, thereby ensuring the accuracy of automatic feeding and discharging of the workpiece.
The cylinder body of the transverse moving cylinder 20 is arranged on the material rack 16, a piston rod of the transverse moving cylinder 20 is connected with the cylinder body of the lifting cylinder 22, and the piston rod of the lifting cylinder 22 is connected with the bracket 17 through a bracket mounting plate.
The X-direction line rail 21 is arranged on the material rack 16, a feeding X-direction sliding block matched with the X-direction line rail 21 is arranged on the cylinder body of the lifting cylinder 22, and a piston rod of the traversing cylinder 20 is connected with the cylinder body of the lifting cylinder 22 through the feeding X-direction sliding block.
The lifting of the bracket mounting plate can be guided and limited by a feeding Z-direction linear rail between the bracket mounting plate and the lifting cylinder 22, so that the radial stress of a piston rod of the lifting cylinder 22 is reduced.
The grinding wheel 11 comprises a grinding wheel body, wherein a convex ring 110 is arranged on the grinding wheel body, the convex ring 110 is at least arranged on one side end surface of the grinding wheel body, and a grinding coating 111 is arranged on the convex ring 110 and on a grinding surface of the grinding wheel body positioned outside the convex ring 110. The polishing coating 111 may be a diamond coating. Not only have the portion of polishing on the grinding wheel body, utilize the portion of polishing on the grinding wheel body can polish elbow 43 mouth of pipe terminal surface, can polish the compound die line 433, but also set up bulge loop 110, bulge loop 110 can be used for polishing elbow 43 mouth of pipe's peripheral face position, also can be used for polishing elbow 43 mouth of pipe terminal surface position.
The clamping driving mechanism comprises a clamping cylinder 23, the clamping cylinder 23 is arranged on the Y-direction sliding seat 8, and a piston rod of the clamping cylinder 23 is connected with the first clamping seat 4. The clamping cylinder 23 is used for driving the first clamping seat 4 to move, the second clamping seat 6 adopts a fixed structure, the second clamping seat is fixed on the Y-direction sliding seat 8 through a fastener, and the second clamping seat is convenient for the rotation driving mechanism to drive the rotation of the second clamping disc 5, so that the rotation driving of clamping workpieces is realized.
The clamping cylinder 23 is specifically installed at the bottom of the Y-direction sliding seat 8, a piston rod of the clamping cylinder 23 is connected with the first clamping seat 4 through a connecting plate, and a plate slot hole for the connecting plate to move is formed in the Y-direction sliding seat 8. The first clamping seat 4 is movably arranged, and the first clamping seat 4 can be close to the second clamping seat 6 under the action of the clamping cylinder 23 to clamp a workpiece. The second clamping seat 6 is fixed and can be directly fixed on the transverse sliding rail 9 through a fastener.
The Z-direction driving mechanism comprises a Z-direction screw rod 35, a Z-direction rod seat in threaded fit with the Z-direction screw rod 35 and a Z-direction servo motor 36 for driving the Z-direction screw rod 35 to rotate, the Z-direction screw rod 35 is rotatably arranged on the upright post 2, and the Z-direction rod seat is arranged on the lifting slide plate 12. The Z-direction servo motor 36 is disposed on the upright 2, the Z-direction servo motor 36 acts, the Z-direction screw rod 35 rotates relative to the upright 2, the Z-direction rod seat moves up and down along with the Z-direction screw rod 35, and the lifting slide plate 12 moves up and down along with the Z-direction rod seat, so as to realize lifting action of the grinding wheel 11.
The automatic polishing machine tool further comprises an auxiliary lifting mechanism, the auxiliary lifting mechanism comprises an auxiliary wheel 28, an auxiliary rope or an auxiliary chain 29 and a balancing weight 30, the auxiliary rope or the auxiliary chain 29 is matched with the auxiliary wheel 28, the auxiliary wheel 28 is rotatably arranged on the upright post 2, one end of the auxiliary rope or the auxiliary chain 29 bypasses the auxiliary wheel 28 and is connected with the lifting slide plate 12, and the other end of the auxiliary rope or the auxiliary chain 29 is connected with the balancing weight 30. The auxiliary wheel 28 is mounted on the upright 2 by means of a wheel carrier. The Z-direction driving mechanism is used for driving the lifting slide plate 12 and the grinding wheel assembly to move up and down, so that the auxiliary lifting mechanism can be additionally arranged for more conveniently lifting and driving the lifting slide plate 12 and the grinding wheel assembly, the weight of the workpiece polishing mechanism is reduced through the balancing weight 30, the easy lifting and driving of the grinding wheel 11 is realized, the energy consumption is reduced, and the service life of the Z-direction driving mechanism can be prolonged.
The X-direction driving mechanism comprises an X-direction screw rod 31, an X-direction rod seat in threaded fit with the X-direction screw rod 31 and an X-direction servo motor 32 for driving the X-direction screw rod 31 to rotate, the X-direction screw rod 31 is rotatably arranged on the base 1, and the X-direction rod seat is arranged at the bottom of the X-direction sliding seat 10. The X-direction servo motor 32 is disposed on the base 1, the X-direction servo motor 32 acts, the X-direction screw rod 31 rotates relative to the base 1, the X-direction rod seat acts along the axial direction of the X-direction screw rod 31, and the X-direction slide carriage 10 moves along the X-axis direction along with the X-direction rod seat, so that the position adjustment of the clamping assembly in the X-axis direction is realized.
The Y-direction driving mechanism comprises a Y-direction screw rod 33, a Y-direction rod seat in threaded fit with the Y-direction screw rod 33 and a Y-direction servo motor 34 for driving the Y-direction screw rod 33 to rotate, wherein the Y-direction screw rod 33 is rotatably arranged on the X-direction sliding seat 10, and the Y-direction rod seat is arranged at the bottom of the Y-direction sliding seat 8. The Y-direction servo motor 34 is disposed on the X-direction slide 10, the Y-direction servo motor 34 acts, the Y-direction screw rod 33 rotates relative to the X-direction slide 10, the Y-direction rod seat acts along the axial direction of the Y-direction screw rod 33, and the Y-direction slide 8 moves along the Y-axis direction along with the Y-direction rod seat, so that the position adjustment of the clamping assembly in the Y-axis direction is realized.
The automatic polishing machine tool further comprises a height adjusting mechanism for adjusting the position of the polishing assembly, the polishing assembly further comprises a shaft seat 39, a wheel shaft of the grinding wheel 11 is rotatably arranged on the shaft seat 39, the shaft seat 39 is connected with the lifting slide plate 12 through a connecting bolt, the height adjusting mechanism comprises a push rod seat 37 and an adjusting push rod 38 acting on the shaft seat 39, the adjusting push rod 38 is in threaded connection with the push rod seat 37, the push rod seat 37 is arranged on the lifting slide plate 12, a movable hole for the wheel shaft of the grinding wheel 11 to move up and down is formed in the lifting slide plate 12, and a strip through hole for the connecting bolt to move up and down is formed in the shaft seat 39. The height of the grinding wheel 11 can be finely adjusted through the height adjusting mechanism, so that the grinding wheel 11 can accurately grind the positions of the pouring gate 431, the dead head 432 and the die assembly line 433 on the workpiece, and the grinding quality of the workpiece is further improved.
The adjusting ejector rod 38 is provided with an upper locking member and a lower locking member, the upper locking member is arranged above the ejector rod seat 37, and the lower locking member is arranged below the ejector rod seat 37. The upper locking piece and the lower locking piece can adopt locking nuts which are in threaded fit with the adjusting ejector rod 38, so that the position of the adjusting ejector rod 38 is further limited, and the position stability of the adjusting ejector rod 38 after adjustment is ensured.
The first clamp disc 3 and the second clamp disc 5 are of fan-shaped plate structures, two clamping jaws 7 are arranged on the fan-shaped plate structures, and side positioning grooves which are used for being matched with the outer surface contours of the workpiece elbows 43 are formed in the clamping jaws 7. The fan-shaped plate structure prevents interference with the working space of the grinding wheel 11 when the grinding wheel 11 processes a workpiece.
The fan-shaped plate structure may be a right angle fan-shaped structure. The two clamping jaws 7 are respectively arranged at the straight edge positions close to the right-angle fan-shaped structure according to the straight edge direction.
The bracket 17 is provided with end positioning grooves for positioning the two ends of the workpiece elbow 43. The bracket 17 supports the workpiece from the bottom, the end positions of the two ends of the positioning elbow 43 are adopted, the clamping jaws 7 clamp the two sides of the outer surface of the elbow 43, so that the bracket 17 can smoothly enter between the clamp plates, and the bracket 17 can smoothly withdraw from the return after the clamping jaws 7 clamp the workpiece.
One, two or even more clamping assemblies can be arranged according to actual needs, and the two clamping assemblies can be independent clamping assemblies; of course, in order to make more full use of the installation space on the machine tool, the two clamp discs with the clamping assemblies in the middle can also share a middle clamping seat, and the clamp discs on the outer sides are respectively provided with respective clamping seats; of course, the clamping assemblies can be independent when the number of the clamping assemblies is multiple; of course, when the clamping assemblies are even in number, two clamping assemblies can be adopted as a group in a limited installation space, and the clamping assemblies can be laid out in a mode of sharing the clamping seats. The number of grinding wheel assemblies and carriages 17 may be set according to the number of clamping assemblies.
As shown in fig. 1, two clamping assemblies are shown, and in order to make the mounting layout of the clamping assemblies more compact, the two clamping assemblies are symmetrically arranged, and two second clamping discs 5 in the middle share one second clamping seat 6, as shown in fig. 8.
When a workpiece is not clamped before polishing, the positioning cam disc 41 is correspondingly embedded into the positioning cam disc 42 through the positioning cylinder 40, so that the angle of the clamping jaw 7 of the first clamp disc 3 is fixed, the driving motor 27 drives the driving wheel 24 to rotate through the speed reducer, the driving wheel 25 and the conveying belt 26, the clamping jaw 7 on the second clamp disc 5 can rotate, and the angle of the clamping jaw 7 on the second clamp disc 5 is consistent with the angle of the clamping jaw 7 of the first clamp disc 3; feeding, namely, feeding and discharging air cylinders 18 act, a workpiece moves towards the clamping assembly under the action of a bracket 17, and the workpiece moves between the first clamp disc 3 and the second clamp disc 5; clamping of a workpiece: the clamping cylinder 23 acts to drive the first clamping seat 4 positioned on the outer side to move towards the second clamping seat 6, the clamping jaw 7 of the first clamp disc 3 is matched with the clamping jaw 7 of the second clamp disc 5 to clamp a workpiece, and the bracket 17 is reset under the action of the feeding and discharging cylinder 18; when the workpiece is required to rotate in the polishing process, the positioning cam disc 41 withdraws from the positioning cam disc 42 to reset under the action of the positioning air cylinder 40, and the transmission motor 27 drives the driving wheel 24 to rotate through the speed reducer, the transmission wheel 25 and the transmission belt 26, so that the clamping jaw 7 of the second clamp disc 5 rotates, and the workpiece and the clamping jaw 7 of the first clamp disc 3 rotate together with the clamping jaw 7 of the second clamp disc 5 because the workpiece is in a clamping state; then the workpiece can move in the X direction and the Y direction under the action of the horizontal driving mechanism, the grinding wheel assembly rotates under the action of the rotary driving mechanism, the grinding wheel assembly moves in the Z direction under the action of the Z direction driving mechanism, three linear motion shafts of X, Y, Z of the grinding machine tool and one rotation shaft enable the grinding wheel 11 and the clamped workpiece to realize automatic grinding of the gate 431, the riser 432 and the die line 433 of the workpiece elbow 43 through four-shaft linkage, after finishing grinding, the feeding and discharging air cylinder 18 acts, the bracket 17 moves to a material receiving position, the clamping air cylinder 23 acts to reset, the bracket 17 carries the workpiece to discharge under the action of the feeding and discharging air cylinder 18, the workpiece after grinding on the bracket 17 is taken out, and then the workpiece to be ground is put on next.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (4)

1. The automatic polishing machine tool is used for polishing a workpiece elbow (43) and comprises a frame, a workpiece clamping mechanism and a workpiece polishing mechanism, wherein the workpiece clamping mechanism and the workpiece polishing mechanism are arranged on the frame, and the automatic polishing machine tool is characterized in that the frame comprises a base (1) and a stand column (2) arranged on the base (1), the workpiece clamping mechanism is arranged on the base (1), and the workpiece polishing mechanism is arranged on the stand column (2);
the workpiece clamping mechanism comprises at least one clamping assembly, a clamping driving mechanism and a rotary driving mechanism, wherein the clamping driving mechanism is used for driving the clamping assembly to clamp or loosen a workpiece, the clamping assembly is arranged on the base (1) through a horizontal driving mechanism, the horizontal driving mechanism comprises an X-direction driving mechanism, an X-direction sliding seat (10), a Y-direction driving mechanism and a Y-direction sliding seat (8), the X-direction sliding seat (10) is arranged on the base (1) through the X-direction driving mechanism, and the Y-direction sliding seat (8) is arranged on the X-direction sliding seat (10) through the Y-direction driving mechanism;
the clamping assembly comprises a first clamp disc (3) and a second clamp disc (5), clamping jaws (7) for clamping workpieces are arranged on the first clamp disc (3) and the second clamp disc (5), the first clamp disc (3) and the second clamp disc (5) are respectively and rotatably arranged on a first clamping seat (4) and a second clamping seat (6), the first clamping seat (4) and the second clamping seat (6) are respectively arranged on the Y-direction sliding seat (8), and the first clamp disc (3) and the second clamp disc (5) rotate under the action of the rotary driving mechanism;
the workpiece polishing mechanism comprises a lifting slide plate (12), at least one polishing component and a Z-direction driving mechanism for driving the lifting slide plate (12) to move up and down, and the lifting slide plate (12) is arranged on the upright post (2) through a Z-direction guide rail (13); the grinding assembly comprises a grinding wheel (11) for grinding a workpiece and a grinding motor (14) for driving the grinding wheel (11) to rotate, and a wheel shaft of the grinding wheel (11) is rotatably arranged on the lifting slide plate (12);
the first clamp disc (3) is arranged on the first clamp seat (4) through a positioning and adjusting mechanism, and the second clamp disc (5) rotates under the action of the rotary driving mechanism;
the positioning adjusting mechanism comprises a positioning air cylinder (40), a positioning cam disc (41) and a positioning concave cam disc (42) which is matched with the positioning cam disc (41), wherein a cylinder body of the positioning air cylinder (40) is arranged on the first clamping seat (4), the first clamping disc (3) is rotatably arranged on the first clamping seat (4) through a first clamping shaft (301), the positioning cam disc (41) is arranged on a piston rod of the positioning air cylinder (40) or on the first clamping shaft (301), and the positioning concave cam disc (42) is arranged on the first clamping shaft (301) or on a piston rod of the positioning air cylinder (40);
the second clamp disc (5) is rotatably arranged on the second clamp seat (6) through a second clamp shaft (501), the rotary driving mechanism comprises a driving wheel (24) and a rotary power mechanism for rotating the driving wheel (24), and the driving wheel (24) is arranged on the second clamp shaft (501); the rotary power mechanism comprises a driving wheel (25), a conveying belt (26) encircling the driving wheel (24) and the driving wheel (25) and a driving motor (27) for driving the driving wheel (25) to rotate, and the driving motor (27) is in driving connection with the driving wheel (25) through a speed reducer;
the positioning and adjusting mechanism is used for adjusting the position of the clamping jaw (7) on the first clamp disc (3) before workpiece feeding, and the rotary driving mechanism is used for adjusting the position of the clamping jaw (7) on the second clamp disc (5) so that the angles of the clamping jaw (7) on the first clamp disc (3) and the second clamp disc (5) which are matched with each other are consistent; the rotary driving mechanism is also used for driving the clamping jaw (7) of the second clamp disc (5) to clamp the workpiece to rotate in the workpiece polishing process, when the workpiece needs to rotate, the positioning cylinder (40) is reset, the positioning cam disc (41) is separated from the positioning cam disc (42), and at the moment, the clamping jaw (7) of the first clamp disc (3) can clamp the workpiece to rotate with the clamping jaw (7) of the second clamp disc (5) so as to polish the workpiece at the corresponding position;
the first clamp disc (3) and the second clamp disc (5) are of right-angle fan-shaped plate structures, two clamping jaws (7) are arranged on the right-angle fan-shaped plate structures, and side positioning grooves which are used for being matched with the outer surface contours of workpiece elbows (43) are arranged on the clamping jaws (7); the two clamping jaws (7) are respectively arranged at the straight edge positions close to the right-angle fan-shaped structure according to the straight edge direction;
the automatic feeding and discharging mechanism comprises a material seat (15), a material rack (16) arranged on the material seat (15), at least one bracket (17) arranged on the material rack (16) and a feeding and discharging cylinder (18) used for driving the material rack (16) to move, wherein the material seat (15) is arranged on the base (1), and the material rack (16) is arranged on the material seat (15) through a Y-direction line rail (19);
the device also comprises a transverse moving cylinder (20) for driving the bracket (17) to transversely move, wherein the bracket (17) is connected with the material rack (16) through the transverse moving cylinder (20), and the bracket (17) is arranged on the material rack (16) through an X-direction line rail (21); the lifting device further comprises a lifting cylinder (22) for driving the bracket (17) to lift, and the bracket (17) is connected with a piston rod of the traversing cylinder (20) through the lifting cylinder (22);
end positioning grooves for positioning two ends of the workpiece elbow (43) are formed in the bracket (17);
the grinding assembly comprises a grinding assembly, and is characterized by further comprising a height adjusting mechanism used for adjusting the position of the grinding assembly, wherein the grinding assembly further comprises a shaft seat (39), a wheel shaft of the grinding wheel (11) is rotatably arranged on the shaft seat (39), the shaft seat (39) is connected with a lifting slide plate (12) through a connecting bolt, the height adjusting mechanism comprises a push rod seat (37) and an adjusting push rod (38) acting on the shaft seat (39), the adjusting push rod (38) is in threaded connection with the push rod seat (37), the push rod seat (37) is arranged on the lifting slide plate (12), a movable hole for the wheel shaft of the grinding wheel (11) to move up and down is formed in the lifting slide plate (12), and a long through hole for the connecting bolt to move up and down is formed in the shaft seat (39).
2. The automatic grinding machine tool according to claim 1, wherein the grinding wheel (11) comprises a grinding wheel body, a convex ring (110) is arranged on the grinding wheel body, the convex ring (110) is arranged on at least one side end face of the grinding wheel body, and a grinding coating (111) is arranged on the convex ring (110) and on a grinding surface of the grinding wheel body positioned outside the convex ring (110).
3. The automatic grinding machine tool according to claim 1, characterized in that the clamping driving mechanism comprises a clamping cylinder (23), the clamping cylinder (23) is arranged on the Y-direction sliding seat (8), and a piston rod of the clamping cylinder (23) is connected with the first clamping seat (4).
4. The automatic polishing machine tool according to claim 1, further comprising an auxiliary lifting mechanism, wherein the auxiliary lifting mechanism comprises an auxiliary wheel (28), an auxiliary rope or an auxiliary chain (29) matched with the auxiliary wheel (28) and a balancing weight (30), the auxiliary wheel (28) is rotatably arranged on the upright post (2), one end of the auxiliary rope or the auxiliary chain (29) bypasses the auxiliary wheel (28) to be connected with the lifting slide plate (12), and the other end of the auxiliary rope or the auxiliary chain (29) is connected with the balancing weight (30).
CN202310705777.7A 2023-06-15 2023-06-15 Automatic polishing machine tool Active CN116442037B (en)

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Application Number Priority Date Filing Date Title
CN202310705777.7A CN116442037B (en) 2023-06-15 2023-06-15 Automatic polishing machine tool

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CN116442037B true CN116442037B (en) 2023-08-22

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009025784A1 (en) * 2008-12-11 2010-06-24 Almi Machinefabriek Vriezenveen B.V. Pipe drilling machine, has clamping roller rotated around clamping roller axis and movably supported at clamping roller frame at side such that roller is aligned along running direction of drilling band at different angular positions
CN104708522A (en) * 2013-12-13 2015-06-17 爱信精机株式会社 Polishing brush and machining tool using the same
CN206105560U (en) * 2016-10-24 2017-04-19 惠州市兴源自动化设备有限公司 Five metal polishers
CN207206029U (en) * 2017-07-20 2018-04-10 石国华 A kind of 90 degree of end face of elbow bevel apparatus of fire fighting supply
CN110509171A (en) * 2019-08-14 2019-11-29 天津大学 A kind of elbow internal wall automatic polishing device
CN110860965A (en) * 2020-01-19 2020-03-06 莱州博恩科自动化科技有限公司 Steel cap cleaning and grinding machine and grinding method
CN111872772A (en) * 2020-07-27 2020-11-03 彭琦 Processing method of PVC (polyvinyl chloride) pipe
CN214559586U (en) * 2021-04-22 2021-11-02 株洲三联富润机械有限公司 Semi-automatic grinding clamp for bent pipe
CN218174190U (en) * 2022-08-09 2022-12-30 吉林省长德新材科技股份有限公司 Ninety-degree elbow winding machine for numerical control electric melting pipe fitting

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009025784A1 (en) * 2008-12-11 2010-06-24 Almi Machinefabriek Vriezenveen B.V. Pipe drilling machine, has clamping roller rotated around clamping roller axis and movably supported at clamping roller frame at side such that roller is aligned along running direction of drilling band at different angular positions
CN104708522A (en) * 2013-12-13 2015-06-17 爱信精机株式会社 Polishing brush and machining tool using the same
CN206105560U (en) * 2016-10-24 2017-04-19 惠州市兴源自动化设备有限公司 Five metal polishers
CN207206029U (en) * 2017-07-20 2018-04-10 石国华 A kind of 90 degree of end face of elbow bevel apparatus of fire fighting supply
CN110509171A (en) * 2019-08-14 2019-11-29 天津大学 A kind of elbow internal wall automatic polishing device
CN110860965A (en) * 2020-01-19 2020-03-06 莱州博恩科自动化科技有限公司 Steel cap cleaning and grinding machine and grinding method
CN111872772A (en) * 2020-07-27 2020-11-03 彭琦 Processing method of PVC (polyvinyl chloride) pipe
CN214559586U (en) * 2021-04-22 2021-11-02 株洲三联富润机械有限公司 Semi-automatic grinding clamp for bent pipe
CN218174190U (en) * 2022-08-09 2022-12-30 吉林省长德新材科技股份有限公司 Ninety-degree elbow winding machine for numerical control electric melting pipe fitting

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