CN111823075A - Centerless grinding machine for processing diameter of tungsten steel bar - Google Patents

Centerless grinding machine for processing diameter of tungsten steel bar Download PDF

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Publication number
CN111823075A
CN111823075A CN202010764253.1A CN202010764253A CN111823075A CN 111823075 A CN111823075 A CN 111823075A CN 202010764253 A CN202010764253 A CN 202010764253A CN 111823075 A CN111823075 A CN 111823075A
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CN
China
Prior art keywords
tungsten steel
rotating wheel
wheel
steel bar
diameter
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
CN202010764253.1A
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Chinese (zh)
Inventor
沈樑
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Individual
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Individual
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Priority to CN202010764253.1A priority Critical patent/CN111823075A/en
Publication of CN111823075A publication Critical patent/CN111823075A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/18Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
    • B24B5/22Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work for grinding cylindrical surfaces, e.g. on bolts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/20Drives or gearings; Equipment therefor relating to feed movement
    • B24B47/206Drives or gearings; Equipment therefor relating to feed movement for centreless grinding machines; for machines comprising work supports, e.g. steady rests
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/18Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
    • B24B5/307Means for supporting work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/35Accessories

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The invention relates to the technical field of machining, and discloses a centerless grinding machine for machining tungsten steel rods, which comprises a machine body, wherein a drain pipe is fixedly arranged at the lower part of one side of the machine body, a first protective shell is fixedly arranged at one end of the top of the machine body, the centerless grinding machine for machining tungsten steel rods is characterized in that a first rotating wheel is arranged on a rotating shaft at the feeding end of a guide wheel, the first rotating wheel is used for driving a second rotating wheel to rotate, a third rotating wheel arranged at the center of one end of the second rotating wheel is used for driving a fourth rotating wheel to rotate, the fourth rotating wheel is used for driving a sleeve frame to push the tungsten steel rods to stably move towards the discharging end by using a screw rod arranged at one end, the tungsten steel rods are sleeved by the sleeve frame, downward grinding force applied to the tungsten steel rods by combining with a grinding wheel, the tungsten steel rods can be more stable in the machining process, and the traditional mode of driving the tungsten steel rods to move, the tungsten steel bar can be completely processed in the whole grinding process, and the processing effect is ideal.

Description

Centerless grinding machine for processing diameter of tungsten steel bar
Technical Field
The invention relates to the technical field of machining, in particular to a centerless grinding machine for machining the diameter of a tungsten steel bar.
Background
The centerless grinder is a grinder which does not need to adopt the axle center of a workpiece to grind, the machining of a tungsten steel bar is to guide, drive and support the tungsten steel bar on the grinder by a guide wheel, support the tungsten steel bar at the bottom by a supporting plate and grind the workpiece by a grinding wheel, so that the precision of the diameter and the surface smoothness of the workpiece reach specified standards, but the traditional centerless grinder always has the following problems in use:
the existing centerless grinding machine realizes the movement of a tungsten steel bar in the grinding process through a guide wheel, the axis of the guide wheel and the axis of a grinding wheel are about thirty degrees, the guide wheel is required to be concave to meet the requirement that the guide wheel can be in line contact with the tungsten steel bar instead of point contact when the guide wheel inclines, the processing difficulty of the guide wheel is increased, the grinding machine is required to grind the tungsten steel bar into a product with certain finish degree, when the finish degree of the tungsten steel bar reaches a certain degree, even if the guide wheel is inclined, the direct friction force between the tungsten steel bar and the guide wheel can be greatly reduced after the finish degree of the tungsten steel bar reaches a certain degree, but the whole tungsten steel bar needs to be processed, so that the guide wheel cannot well drive the tungsten steel bar to directionally move for grinding under the condition, the tungsten steel bar is processed unevenly, and the tail end of the tungsten steel bar cannot be processed under the action of the guide wheel because the finish degree of the front section of the tungsten steel bar reaches a certain degree The tail end can not be processed when the tail end is normally moved, and the processing effect is not ideal.
Disclosure of Invention
The invention provides a centerless grinder for processing the diameter of a tungsten steel bar, which has the advantages of stable movement and ideal processing effect and solves the problems in the background technology.
The invention provides the following technical scheme: a centerless grinding machine for processing tungsten steel bar diameters comprises a machine body, wherein a drain pipe is fixedly mounted at the lower part of one side of the machine body, a first protective shell is fixedly mounted at one end of the top of the machine body, a grinding wheel trimming seat is fixedly mounted at the left side of the first protective shell at the top of the machine body, a grinding wheel is movably mounted in the first protective shell, a mounting seat is fixedly mounted at the right end of the top of the machine body, a second protective shell is fixedly mounted at the left side of the mounting seat, a first rotating shaft is movably mounted at the front side of the second protective shell, a guide wheel is fixedly mounted at one end of the first rotating shaft, a supporting plate seat between the grinding wheel and the guide wheel is fixedly mounted at the upper surface of the machine body, a first rotating wheel is fixedly mounted at one end of the supporting plate seat, a first belt is movably sleeved on the first rotating wheel, a second rotating wheel, the positive fixed mounting of organism has the second pivot, the activity of second runner is cup jointed in the second pivot, the positive central fixed mounting of second runner has the third pivot, the positive tip fixed mounting of third pivot has the third runner, the second belt has been cup jointed in the activity on the third runner, the fourth runner has been cup jointed in the one end activity of second belt, the positive top fixed mounting of organism has the layer board of central line and layer board seat central line coincidence, the positive fixed mounting of layer board upper surface has the backup pad, fixed surface installs the channel on the layer board, swing joint has the straight board in the channel, the back fixed mounting of fourth runner has the screw rod, the screw rod runs through swing joint in backup pad and straight board respectively, the top fixed mounting of straight board has the cover frame.
Preferably, the diameter of the second rotating wheel is larger than that of the first rotating wheel, and the axial lines of the second rotating wheel and the first rotating wheel are on the same vertical line.
Preferably, the diameter of the third wheel is smaller than the diameter of the second wheel and is the same as the diameter of the fourth wheel.
Preferably, the number of the channels is two, the bottom end of the straight plate is provided with two clamping legs corresponding to the positions of the channels in a radial direction, and the straight plate is connected with the channels through the clamping legs.
Preferably, the top of the sleeve frame is provided with an elastic compression rod, the bottom end of the compression rod is fixedly provided with a pressing plate, and the bottom end of the inner wall of the sleeve frame is as high as the line where the tungsten steel bar is contacted with the supporting plate seat after being placed.
The invention has the following beneficial effects:
this tungsten steel rod diameter processing centerless grinder, install first runner in the pivot through the feed end at the guide pulley, utilize first runner to drive the rotation of second runner, it is rotatory to recycle the third runner of second runner one end center installation to drive the fourth runner, the fourth runner utilizes the screw rod of one end installation to drive the cover frame and pushes away the tungsten steel rod to the discharge end steady movement, and utilize the cover of cover frame to live the tungsten steel rod, combine the grinding wheel to apply the decurrent grinding force for the tungsten steel rod, can make the tungsten steel rod steady in the course of working more, the traditional mode that utilizes the guide pulley of slope to drive the tungsten steel rod removal has been changed, make the tungsten steel rod can obtain processing completely in whole grinding process, the machining effect is ideal.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the driving structure of the tungsten steel bar of the structure of the invention.
In the figure: 1. a body; 2. a drain pipe; 3. a first protective case; 4. a grinding wheel dressing seat; 5. grinding the grinding wheel; 6. a mounting seat; 7. a second protective shell; 8. a first rotating shaft; 9. a guide wheel; 10. a pallet base; 11. a first runner; 12. a first belt; 13. a second runner; 14. a second rotating shaft; 15. a third rotating shaft; 16. a third rotating wheel; 17. a second belt; 18. a fourth rotating wheel; 19. a support plate; 20. a support plate; 21. a channel; 22. a straight plate; 23. a screw; 24. and (5) sleeving a frame.
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.
Referring to fig. 1-2, a centerless grinding machine for processing tungsten steel bar diameter comprises a machine body 1, a drain pipe 2 is fixedly installed at the lower part of one side of the machine body 1, a first protection shell 3 is fixedly installed at one end of the top of the machine body 1, a grinding wheel trimming seat 4 is fixedly installed at the left side of the first protection shell 3 at the top of the machine body 1, a grinding wheel 5 is movably installed in the first protection shell 3, an installation seat 6 is fixedly installed at the right end of the top of the machine body 1, a second protection shell 7 is fixedly installed at the left side of the installation seat 6, a first rotating shaft 8 is movably installed at the front of the second protection shell 7, a guide wheel 9 is fixedly installed at one end of the first rotating shaft 8, a supporting plate seat 10 positioned between the grinding wheel 5 and the guide wheel 9 is fixedly installed on the upper surface of the machine body 1, a first rotating wheel 11 is fixedly installed at one end of the supporting plate seat 10, a first belt 12 is movably sleeved on, the front fixed mounting of organism 1 has second pivot 14, second runner 13 activity cup joints on second pivot 14, the positive central fixed mounting of second runner 13 has third pivot 15, the positive tip fixed mounting of third pivot 15 has third runner 16, the activity has cup jointed second belt 17 on the third runner 16, fourth runner 18 has been cup jointed in the activity of the one end of second belt 17, the positive top fixed mounting of organism 1 has layer board 19 of central line and layer board seat 10 central line coincidence, the front fixed mounting of layer board 19 upper surface has backup pad 20, surface fixed mounting has channel 21 on layer board 19, swing joint has straight board 22 in the channel 21, the back fixed mounting of fourth runner 18 has screw rod 23, screw rod 23 runs through swing joint in backup pad 20 and straight board 22 respectively, the top fixed mounting of straight board 22 has a cover frame 24.
The diameter of the second rotating wheel 13 is larger than that of the first rotating wheel 11, the axial lines of the second rotating wheel 13 and the first rotating wheel 11 are on the same vertical line, the rotating speed of the guide wheel 9 is relatively slow when the centerless grinding machine works, the first rotating wheel 11 is installed on the first rotating shaft 8, the rotating speed of the first rotating wheel 11 is guaranteed not to be too fast, and then the first rotating wheel 11 is connected with the second rotating wheel 13 with the larger diameter, so that the rotating speed of the second rotating wheel 13 can be guaranteed to be lower, and the subsequent tungsten steel bar can be guaranteed to have enough time to be machined.
The diameter of the third runner 16 is smaller than that of the second runner 13 and is the same as that of the fourth runner 18, and the angular speed of the second runner 13 is greatly reduced due to the diameter difference between the first runner 11 and the second runner 13, so that the angular speed of the fourth runner 18 driven by the coaxial third runner 16 is reduced, and the tungsten steel bar can be moved and ground at a slow speed.
Wherein, the quantity of channel 21 is for two, and the bottom of straight board 22 is for having two to the card leg that corresponds with channel 21 position, and straight board 22 is connected with channel 21 through the card leg, and the rotation through screw rod 23 drives straight board 22 and removes in channel 21 like this, utilizes the route restriction of channel 21 to guarantee that the tungsten steel stick can keep moving in fixed direction to guarantee that centerless grinder can be effectual grinds the tungsten steel stick.
Wherein, the top of cover frame 24 is provided with the elastic compression pole, and the dry bottom end fixed mounting of compression has the clamp plate, it is the same with the online height of the contact of tray seat 10 after cover frame 24 inner wall bottom and tungsten steel bar are put, inside putting into cover frame 24 through the one end with the tungsten steel bar, the elastic compression pole through the top is pushing away clamp plate die-casting tungsten steel bar, combine 5 decurrent tangential grinding power to its production of grinding wheel, guarantee that the tungsten steel bar that can be fine can be stable at the in-process of processing, can not appear because its condition emergence that produces in the irregularly shaped of tungsten steel bar leads to the course of working, the quality of processing has been guaranteed.
During operation, put into between layer board seat 10 and the guide pulley 9 with the tungsten steel stick, inside the cover frame 24 was put into to one end, the start power supply, grinding wheel 5 and guide pulley 9 rotated, guide pulley 9 drove first runner 11 through first pivot 8 and rotates, first runner 11 drove second runner 13 through first belt 12 and rotates, second runner 13 then drove third runner 16 through third pivot 15 and rotates, third runner 16 drove fourth runner 18 through second belt 17 and rotates, fourth runner 18 then drove screw 23 and rotates, the rotation of screw 23 makes cover frame 24 move downwards in the limit side of channel 21, thereby promote the tungsten steel stick and remove and carry out comprehensive grinding.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (5)

1. The utility model provides a tungsten steel bar diameter processing centerless grinder, includes organism (1), its characterized in that: the grinding machine is characterized in that a drain pipe (2) is fixedly mounted at the lower part of one side of the machine body (1), a first protective shell (3) is fixedly mounted at one end of the top of the machine body (1), a grinding wheel trimming seat (4) is fixedly mounted at the left side of the first protective shell (3) at the top of the machine body (1), a grinding wheel (5) is movably mounted in the first protective shell (3), a mounting seat (6) is fixedly mounted at the right end of the top of the machine body (1), a second protective shell (7) is fixedly mounted at the left side of the mounting seat (6), a first rotating shaft (8) is movably mounted at the front side of the second protective shell (7), a guide wheel (9) is fixedly mounted at one end of the first rotating shaft (8), a supporting plate seat (10) between the grinding wheel (5) and the guide wheel (9) is fixedly mounted on the upper surface of the machine body (1), and a first rotating wheel (11) is fixedly, a first belt (12) is movably sleeved on the first rotating wheel (11), a second rotating wheel (13) is movably sleeved at one end of the first belt (12), a second rotating shaft (14) is fixedly installed on the front surface of the machine body (1), the second rotating wheel (13) is movably sleeved on the second rotating shaft (14), a third rotating shaft (15) is fixedly installed at the front center of the second rotating wheel (13), a third rotating wheel (16) is fixedly installed at the front end of the third rotating shaft (15), a second belt (17) is movably sleeved on the third rotating wheel (16), a fourth rotating wheel (18) is movably sleeved at one end of the second belt (17), a supporting plate (19) with a center line coincident with the center line of the supporting plate seat (10) is fixedly installed at the front top of the machine body (1), a supporting plate (20) is fixedly installed on the front surface of the upper surface of the supporting plate (19), fixed surface installs channel (21) on layer board (19), swing joint has straight board (22) in channel (21), the back fixed mounting of fourth runner (18) has screw rod (23), swing joint in backup pad (20) and straight board (22) are run through respectively in screw rod (23), the top fixed mounting of straight board (22) has cover frame (24).
2. The centerless grinder for processing the diameter of the tungsten steel bar as claimed in claim 1, wherein: the diameter of the second rotating wheel (13) is larger than that of the first rotating wheel (11), and the axial leads of the second rotating wheel (13) and the first rotating wheel (11) are on the same vertical line.
3. The centerless grinder for processing the diameter of the tungsten steel bar as claimed in claim 1, wherein: the diameter of the third runner (16) is smaller than the diameter of the second runner (13) and the same as the diameter of the fourth runner (18).
4. The centerless grinder for processing the diameter of the tungsten steel bar as claimed in claim 1, wherein: the number of the channels (21) is two, the bottom end of the straight plate (22) is provided with two clamping legs corresponding to the positions of the channels (21), and the straight plate (22) is connected with the channels (21) through the clamping legs.
5. The centerless grinder for processing the diameter of the tungsten steel bar as claimed in claim 1, wherein: the top of the sleeve frame (24) is provided with an elastic compression rod, the bottom end of the compression rod is fixedly provided with a pressing plate, and the bottom end of the inner wall of the sleeve frame (24) is as high as the height of the tungsten steel bar which is in contact with the supporting plate seat (10) on line after being placed.
CN202010764253.1A 2020-08-02 2020-08-02 Centerless grinding machine for processing diameter of tungsten steel bar Withdrawn CN111823075A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010764253.1A CN111823075A (en) 2020-08-02 2020-08-02 Centerless grinding machine for processing diameter of tungsten steel bar

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Application Number Priority Date Filing Date Title
CN202010764253.1A CN111823075A (en) 2020-08-02 2020-08-02 Centerless grinding machine for processing diameter of tungsten steel bar

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CN111823075A true CN111823075A (en) 2020-10-27

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CN202010764253.1A Withdrawn CN111823075A (en) 2020-08-02 2020-08-02 Centerless grinding machine for processing diameter of tungsten steel bar

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112589553A (en) * 2021-01-07 2021-04-02 石家庄弘品科技有限公司 Centerless grinding machine capable of automatically correcting abrasion of grinding wheel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202447998U (en) * 2012-02-03 2012-09-26 卓利华 Automatic device on centerless grinding machine for crush grinding of end journal
CN205888760U (en) * 2016-06-24 2017-01-18 新昌县新剡轴承有限公司 Dedicated high -efficient centerless grinder of bearing processing
CN108673315A (en) * 2018-07-26 2018-10-19 郑州博钰特超硬材料制品有限公司 A kind of profile milling cutter processing tungsten bar surface grinding device
CN109571164A (en) * 2018-12-25 2019-04-05 福州大学 A kind of rod shaped materials centerless external cylindrical grinding device
CN211029265U (en) * 2019-07-26 2020-07-17 南通超力卷板机制造有限公司 Peripheral processing equipment for bar-shaped metal piece

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202447998U (en) * 2012-02-03 2012-09-26 卓利华 Automatic device on centerless grinding machine for crush grinding of end journal
CN205888760U (en) * 2016-06-24 2017-01-18 新昌县新剡轴承有限公司 Dedicated high -efficient centerless grinder of bearing processing
CN108673315A (en) * 2018-07-26 2018-10-19 郑州博钰特超硬材料制品有限公司 A kind of profile milling cutter processing tungsten bar surface grinding device
CN109571164A (en) * 2018-12-25 2019-04-05 福州大学 A kind of rod shaped materials centerless external cylindrical grinding device
CN211029265U (en) * 2019-07-26 2020-07-17 南通超力卷板机制造有限公司 Peripheral processing equipment for bar-shaped metal piece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112589553A (en) * 2021-01-07 2021-04-02 石家庄弘品科技有限公司 Centerless grinding machine capable of automatically correcting abrasion of grinding wheel

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Application publication date: 20201027

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