CN112476175A

CN112476175A - Machining and polishing device for mechanical parts

Info

Publication number: CN112476175A
Application number: CN202011346585.4A
Authority: CN
Inventors: 徐再明
Original assignee: Deqing Yiming Machinery Parts Co ltd
Current assignee: Deqing Yiming Machinery Parts Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-03-12

Abstract

The invention relates to the technical field of machining of mechanical parts, and discloses a machining and polishing device for the mechanical parts, which comprises a workbench, wherein a supporting leg is fixedly installed at the bottom of the workbench, a moving mechanism is arranged on the upper surface of the workbench, the moving mechanism comprises a moving groove, a toothed plate, a first gear, a rotating rod, a second gear, a moving rotary plate, a wheel carrier, a supporting column, a moving crank and an installation plate, the moving groove is formed in the upper surface of the workbench, the toothed plate is fixedly installed at the bottom of the moving groove, the first gear is meshed with the toothed plate, the rotating rod is fixedly installed with the first gear, the second gear is fixedly installed at one end of the rotating rod, the moving rotary plate is meshed with the second gear, the wheel carrier is rotatably connected with the rotating rod, the supporting column is fixedly connected with the top of the wheel carrier, the moving crank is rotatably connected with the. The invention solves the problems of lower grinding precision and dangerous operation process of the existing mechanical accessory grinding device.

Description

Machining and polishing device for mechanical parts

Technical Field

The invention relates to the technical field of machining of mechanical parts, in particular to a machining and polishing device for the mechanical parts.

Background

The machine parts refer to various parts and parts for replacement and maintenance of construction machines, production equipment, transportation equipment, and the like of enterprises. Such as crankshafts, pistons, bearings, etc. The machining refers to a process of changing the overall dimensions or properties of parts by a mechanical device, and in process production, some parts are often required to be machined to obtain finished parts with smoother structures. Sanding, which is one of surface modification techniques, generally refers to a processing method for changing physical properties of a material surface by friction with the aid of a rough object (sand paper or the like containing particles of relatively high hardness) mainly for the purpose of obtaining a specific surface roughness.

When the existing mechanical accessory polishing device polishes smaller accessories, the accessories needing polishing are generally held by a worker, and the hand-held mechanical accessories are close to the abrasive belt rotating at a high speed for polishing, so that the polishing precision cannot be guaranteed, and the polishing device is very dangerous.

Disclosure of Invention

The invention aims to provide a machining and polishing device for mechanical parts, which aims to improve polishing precision and protect operators.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a machine parts processing grinding device, includes the workstation, the bottom fixed mounting of workstation has the supporting leg, and the upper surface of workstation is provided with moving mechanism.

Moving mechanism includes shifting chute, pinion rack, gear one, bull stick, gear two, removal carousel, wheel carrier, support column, removal crank and mounting panel, the shifting chute is seted up at the upper surface of workstation, and pinion rack fixed mounting is in the bottom of shifting chute, gear one and pinion rack meshing, bull stick and gear fixed mounting, two fixed mounting of gear in the one end of bull stick, remove the carousel and two meshing of gear, the wheel carrier rotates with the bull stick to be connected, the top fixed connection of support column and wheel carrier, remove the crank and rotate with the removal carousel and be connected, the top fixed connection of mounting panel and support column.

The surface of the workbench is provided with a grinding mechanism positioned on one side of the moving mechanism.

The polishing mechanism comprises a driving motor, a first chain wheel, a chain, a second chain wheel, a fixing frame, a spring groove, a movable block, a cushion pad, a tensioning spring, a driving roller, a driven roller, an abrasive belt and a sliding groove, wherein the driving motor is fixedly arranged on the side surface of a supporting leg, the first chain wheel is fixedly arranged with the output end of the driving motor, the second chain wheel is in transmission connection with the chain wheel through the chain, the second chain wheel is fixedly arranged with one end of the driving roller, the bottom of the fixing frame is fixedly arranged with the upper surface of a workbench, the spring groove is arranged on the fixing frame, the movable block is in sliding connection with the spring groove through the sliding groove, the cushion pad is adhered to the top of the spring groove, the bottom of the tensioning spring is fixedly arranged with the bottom of the spring groove, the top of the tensioning spring is fixedly arranged with the bottom of, the sliding grooves are formed in two sides of the moving block.

The top of mounting panel fixedly connected with fixed establishment.

The fixing mechanism comprises a support frame, a rotating crank, a fixing plate, a rotating seat, a screw rod, a fixing knob, a clamping plate and a clamping head, the bottom of the support frame is fixedly connected with a mounting plate, the rotating crank is rotatably connected with the support frame, the middle of the side face of the fixing plate is fixedly connected with one end of the rotating crank, the rotating seat is fixedly connected to the other side of the fixing plate, the screw rod is rotatably connected with the rotating seat, the fixing knob is fixedly connected with the top of the screw rod, the clamping plate is in threaded connection with the screw rod, and the clamping head is fixedly connected.

Preferably, the upper surface of the workbench is fixedly connected with a limiting block positioned on one side of the moving mechanism, and a rubber pad is bonded on one side of the limiting block.

Preferably, the number of the moving grooves is two, and the two moving grooves have the same width and are parallel to each other.

Preferably, the number of the support columns is four, the bottoms of the four support columns are fixedly connected with a wheel carrier, and the first gear is arranged inside the wheel carrier.

Preferably, the number of the movable rotary table is one, the movable rotary table is rotatably connected with the wheel carrier through a rotating shaft, gear teeth are arranged on the radial circumference of the movable rotary table, and the number of the second gears meshed with the movable rotary table is also one.

Preferably, the surface of the screw rod is provided with symmetrical and opposite threads.

Preferably, the number of the clamping plates is two, and the two clamping plates are in threaded connection with the forward and reverse threads on the screw rod respectively.

Preferably, the size of the driving roller is identical to that of the driven roller.

The invention provides a machining and polishing device for mechanical parts. The method has the following beneficial effects:

(1) according to the invention, the movable groove is formed in the workbench, the first gear is meshed with the toothed plate in the movable groove, when the workpiece needs to be moved, the second gear is driven to rotate by rotating the movable turntable, the first gear fixedly mounted on the rotating rod and the second gear rotate simultaneously, so that the first gear moves along the toothed plate in the movable groove, mechanical accessories fixed by the fixing mechanism arranged on the mounting plate are driven to be close to the polishing mechanism, and the fixing mechanism is driven to move by the moving mechanism, so that the mechanical parts are not required to be held by workers during polishing, the precision can be improved, and the danger can be reduced.

(2) According to the invention, the fixing mechanism is arranged on the mounting plate, the screw rod provided with the symmetrical two-way threads is rotated by rotating the fixing knob, so that the clamping plates in threaded connection with the screw rod are close to each other, the mechanical part to be polished can be firmly clamped between the two clamping plates, the friction force of the clamping plates can be increased by the clamping heads arranged on the clamping plates, the firmness of fixing the mechanical part is improved, and meanwhile, the fixing plate and the clamping plates can be rotated by rotating the rotating crank, so that the mechanical part can be polished conveniently.

(3) According to the invention, the driving motor is arranged, when the driving motor rotates, the first chain wheel fixedly arranged at the output end of the driving motor drives the second chain wheel to synchronously rotate through the chain, the driving roller fixedly arranged with the second chain wheel also rotates at a high speed, so that the abrasive belts sleeved on the driving roller and the driven roller rotate, and the mechanical accessories are polished, the movable block is jacked upwards by the tensioning spring arranged in the spring groove, the driven roller is far away from the driving roller, and the abrasive belts sleeved on the driving roller and the driven roller are tensioned, so that the abrasive belts are prevented from falling.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of the present invention at A;

FIG. 3 is a side cross-sectional view of the table of the present invention;

FIG. 4 is a cross-sectional view of a grinding mechanism of the present invention;

fig. 5 is a flat sectional view of the spring groove of the present invention.

In the figure: 1. a work table; 2. supporting legs; 3. a moving mechanism; 4. a polishing mechanism; 5. a fixing mechanism; 6. a moving groove; 7. a toothed plate; 8. a first gear; 9. a rotating rod; 10. a second gear; 11. moving the turntable; 12. a wheel carrier; 13. a support pillar; 14. moving the crank; 15. mounting a plate; 16. a support frame; 17. rotating the crank; 18. a fixing plate; 19. a rotating seat; 20. a screw rod; 21. fixing the knob; 22. a splint; 23. a chuck; 24. a drive motor; 25. a chain wheel I; 26. a chain; 27. a second chain wheel; 28. a fixed mount; 29. a spring slot; 30. a moving block; 31. a cushion pad; 32. tensioning the spring; 33. a drive roll; 34. a driven roller; 35. an abrasive belt; 36. a sliding groove; 37. and a limiting block.

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.

As shown in fig. 1 to 5, the present invention provides a technical solution:

the utility model provides a machine parts processing grinding device, includes workstation 1, and the bottom fixed mounting of workstation 1 has supporting leg 2, and the upper surface of workstation 1 is provided with moving mechanism 3, and the last fixed surface of workstation 1 is connected with the stopper 37 that is located moving mechanism 3 one side, and one side of stopper 37 bonds there is the rubber pad, prevents moving mechanism 3 through stopper 37 to remove excessively for splint 22 and abrasive band 25 contact in the fixed establishment 5 lead to damaging.

The moving mechanism 3 comprises moving grooves 6, toothed plates 7, a first gear 8, a rotating rod 9, a second gear 10, moving turntables 11, wheel carriers 12, a support column 13, a moving crank 14 and a mounting plate 15, the moving grooves 6 are arranged on the upper surface of the workbench 1, the number of the moving grooves 6 is two, the two moving grooves 6 are the same in width and are parallel to each other, the moving mechanism 3 is prevented from deviating in the moving process by arranging the two moving grooves 6, the toothed plates 7 are fixedly arranged at the bottoms of the moving grooves 6, the first gear 8 is meshed with the toothed plates 7, the rotating rod 9 is fixedly arranged with the first gear 8, the second gear 10 is fixedly arranged at one end of the rotating rod 9, the moving turntables 11 are meshed with the second gear 10, the number of the moving turntables 11 is one, the moving turntables 11 are rotatably connected with the wheel carriers 12 through rotating shafts, gear teeth are arranged on the radial peripheries of the moving turntables 11, the number of the second gear 10 meshed, the moving mechanism 3 can be driven to move by arranging a moving turntable 11, a wheel carrier 12 is rotationally connected with a rotating rod 9, four supporting columns 13 are fixedly connected with the top of the wheel carrier 12, the number of the supporting columns 13 is four, the wheel carrier 12 is fixedly connected with the bottoms of the four supporting columns 13, a first gear 8 is arranged inside the wheel carrier 12, four supporting columns 13 are arranged at four corners of the bottom of a mounting plate 15, so that the fixing mechanism 5 arranged on the mounting plate 15 can move stably, a moving crank 14 is rotationally connected with the moving turntable 11, the mounting plate 15 is fixedly connected with the top of the supporting columns 13, a moving groove 6 is formed in a workbench 1, the first gear 8 is meshed with a toothed plate 7 in the moving groove 6, when the moving is needed, a second gear 10 is driven to rotate by rotating the moving turntable 11, the first gear 8 fixedly arranged on the rotating rod 9 and the second gear 10 rotate simultaneously, the first gear 8 moves along the toothed plate 7 in the moving groove 6, mechanical accessories fixed by the fixing mechanism 5 arranged on the mounting plate 15 are driven to be close to the polishing mechanism 4, the fixing mechanism 5 is driven to move through the moving mechanism 3, mechanical parts are not required to be held by workers in the polishing process, the precision can be improved, and the danger can be reduced.

The surface of the table 1 is provided with a grinding mechanism 4 on the side of the moving mechanism 3.

The grinding mechanism 4 comprises a driving motor 24, a first chain wheel 25, a chain 26, a second chain wheel 27, a fixed frame 28, a spring groove 29, a moving block 30, a buffer cushion 31, a tension spring 32, a driving roller 33, a driven roller 34, an abrasive belt 35 and a sliding groove 36, wherein the driving motor 24 is fixedly arranged on the side surface of the supporting leg 2, the first chain wheel 25 is fixedly arranged with the output end of the driving motor 24, the second chain wheel 27 is in transmission connection with the first chain wheel 25 through the chain 26, the second chain wheel 26 is fixedly arranged with one end of the driving roller 33, the bottom of the fixed frame 28 is fixedly arranged with the upper surface of the workbench 1, the spring groove 29 is arranged on the fixed frame 29, the moving block 30 is in sliding connection with the spring groove 29 through the sliding groove 36, the buffer cushion 31 is adhered to the top of the spring groove 29, the bottom of the tension spring 32 is fixedly arranged with the bottom of the spring groove 29, the, the driven roller 34 is rotatably connected with the moving block 30, the abrasive belt 35 is sleeved on the driving roller 33 and the driven roller 34, the driving roller 33 and the driven roller 34 are identical in size and type, the same driving roller 33 and driven roller 34 can be more conveniently sleeved with the abrasive belt 35, the sliding grooves 36 are formed in two sides of the moving block 30, through the arrangement of the driving motor 24, when the driving motor 24 rotates, the first chain wheel 25 fixedly arranged at the output end of the driving motor 24 drives the second chain wheel 27 to synchronously rotate through the chain 26, the driving roller 33 fixedly arranged with the second chain wheel 27 also rotates at high speed, so that the abrasive belt 35 sleeved on the driving roller 33 and driven roller 34 rotates and polishes mechanical accessories, the tensioning spring 32 arranged in the spring groove 29 jacks up the moving block 20, the driven roller 34 is far away from the driving roller 33, and the abrasive belt 35 sleeved on the driving roller 33 and driven roller 34 is tensioned, abrasive belt 35 is prevented from falling.

The top of the mounting plate 15 is fixedly connected with a fixing mechanism 5.

The fixing mechanism 5 comprises a support frame 16, a rotating crank 17, a fixing plate 18, a rotating base 19, a screw rod 20, a fixing knob 21, a clamping plate 22 and a clamping head 23, the bottom of the support frame 16 is fixedly connected with the mounting plate 15, the rotating crank 17 is rotatably connected with the support frame 16, the middle part of the side surface of the fixing plate 18 is fixedly connected with one end of the rotating crank 17, the rotating base 19 is fixedly connected with the other side of the fixing plate 18, the screw rod 20 is rotatably connected with the rotating base 19, the surface of the screw rod 20 is provided with symmetrical and opposite-direction threads, the clamping plate can move towards or away from each other when the screw rod 20 rotates by arranging the symmetrical opposite threads, so that a mechanical part is clamped, the fixing knob 21 is fixedly connected with the top of the screw rod 20, the clamping plate 22 is in threaded connection with the screw rod 20, the clamping head 23 is fixedly connected with the clamping plate 22, the fixing mechanism 5 is arranged on the, and then make splint 22 with 20 threaded connection of lead screw close to each other for the mechanical parts that need polish can firmly add and hold between two splint 22, and the chuck 23 that sets up on splint 22 can increase splint 22's frictional force, improves the firm degree of fixed mechanical parts, rotates simultaneously and rotates crank 17 and can make fixed plate 18 and splint 22 rotate, conveniently polishes mechanical parts.

When the grinding machine is used, the screw rod 20 provided with symmetrical bidirectional threads is rotated by rotating the fixing knob 21, so that the clamping plates 22 in threaded connection with the screw rod 20 are close to each other, a mechanical part to be ground can be firmly clamped between the two clamping plates 22, the chuck 23 arranged on the clamping plates 22 can increase the friction force of the clamping plates 22, the driving motor 24 is started, when the driving motor 24 rotates, the first chain wheel 25 fixedly arranged at the output end of the driving motor 24 drives the second chain wheel 27 to synchronously rotate through the chain 26, the driving roller 33 fixedly arranged with the second chain wheel 27 also rotates at a high speed, so that the abrasive belts 35 sleeved on the driving roller 33 and the driven roller 34 rotate, the mechanical part is ground, the tensioning spring 32 arranged in the spring groove 29 jacks up the moving block 20, the driven roller 34 is far away from the driving roller 33, and the abrasive belts 35 sleeved on the driving roller 33 and the driven roller 34 are tensioned, prevent that abrasive band 35 from dropping, the removal carousel 11 that rotates drives two 10 rotations of gear, gear 8 and two 10 simultaneous rotations of gear of fixed mounting on bull stick 9, make gear 8 remove along the pinion rack 7 in the shifting chute 6, the fixed mechanical parts of the fixed establishment 5 that sets up on the drive mounting panel 15 are close to grinding machanism 4, drive fixed establishment 5 through moving mechanism 3 and remove, and polish mechanical parts, it can make fixed plate 18 and splint 22 rotate to rotate rotation crank 17.

In conclusion, the moving groove 6 is formed in the workbench 1, the first gear 8 is meshed with the toothed plate 7 in the moving groove 6, when the first gear needs to move, the second gear 10 is driven to rotate by rotating the moving turntable 11, the first gear 8 fixedly mounted on the rotating rod 9 and the second gear 10 rotate simultaneously, the first gear 8 moves along the toothed plate 7 in the moving groove 6, mechanical accessories fixed by the fixing mechanism 5 arranged on the mounting plate 15 are driven to be close to the polishing mechanism 4, the moving mechanism 3 drives the fixing mechanism 5 to move, and therefore mechanical parts are not required to be held by workers in the polishing process, the precision can be improved, and dangerousness can be reduced; by arranging the fixing mechanism 5 on the mounting plate 15, the screw rod 20 provided with symmetrical two-way threads is rotated by rotating the fixing knob 21, and then the clamping plates 22 in threaded connection with the screw rod 20 are close to each other, so that mechanical parts to be polished can be firmly clamped between the two clamping plates 22, the friction force of the clamping plates 22 can be increased by the clamping heads 23 arranged on the clamping plates 22, the firmness of fixing the mechanical parts is improved, and meanwhile, the fixing plate 18 and the clamping plates 22 can be rotated by rotating the rotating swing arm 17, so that the mechanical parts can be polished conveniently; through the arrangement of the driving motor 24, when the driving motor 24 rotates, the first chain wheel 25 fixedly installed at the output end of the driving motor 24 drives the second chain wheel 27 to synchronously rotate through the chain 26, the driving roller 33 fixedly installed with the second chain wheel 27 also rotates at a high speed, so that the abrasive belt 35 sleeved on the driving roller 33 and the driven roller 34 rotates, mechanical accessories are polished, the movable block 20 is jacked upwards by the tensioning spring 32 arranged in the spring groove 29, the driven roller 34 is far away from the driving roller 33, the abrasive belt 35 sleeved on the driving roller 33 and the driven roller 34 is tensioned, and the abrasive belt 35 is prevented from falling.

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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a machine parts processing grinding device, includes workstation (1), its characterized in that: the bottom of the workbench (1) is fixedly provided with a supporting leg (2), and the upper surface of the workbench (1) is provided with a moving mechanism (3);

the moving mechanism (3) comprises a moving groove (6), a toothed plate (7), a first gear (8), a rotating rod (9), a second gear (10), a moving turntable (11), a wheel carrier (12), a supporting column (13), a moving crank (14) and a mounting plate (15), the movable groove (6) is formed in the upper surface of the workbench (1), the toothed plate (7) is fixedly mounted at the bottom of the movable groove (6), the first gear (8) is meshed with the toothed plate (7), the rotating rod (9) is fixedly mounted with the first gear (8), the second gear (10) is fixedly mounted at one end of the rotating rod (9), the movable rotary table (11) is meshed with the second gear (10), the wheel frame (12) is rotatably connected with the rotating rod (9), the supporting column (13) is fixedly connected with the top of the wheel frame (12), the movable crank (14) is rotatably connected with the movable rotary table (11), and the mounting plate (15) is fixedly connected with the top of the supporting column (13);

a polishing mechanism (4) positioned on one side of the moving mechanism (3) is arranged on the surface of the workbench (1);

the grinding mechanism (4) comprises a driving motor (24), a first chain wheel (25), a chain (26), a second chain wheel (27), a fixed frame (28), a spring groove (29), a moving block (30), a cushion pad (31), a tension spring (32), a driving roller (33), a driven roller (34), an abrasive belt (35) and a sliding groove (36), wherein the driving motor (24) is fixedly arranged on the side surface of the supporting leg (2), the first chain wheel (25) is fixedly arranged with the output end of the driving motor (24), the second chain wheel (27) is in transmission connection with the first chain wheel (25) through the chain (26), the second chain wheel (26) is fixedly arranged with one end of the driving roller (33), the bottom of the fixed frame (28) is fixedly arranged with the upper surface of the workbench (1), the spring groove (29) is arranged on the fixed frame (29), the moving block (30) is in sliding connection with the spring groove (29) through the sliding groove (36, the buffer pad (31) is adhered to the top of the spring groove (29), the bottom of the tensioning spring (32) is fixedly installed with the bottom of the spring groove (29), the top of the tensioning spring (32) is fixedly installed with the bottom of the movable block (30), the driving roller (33) is rotatably connected with the fixed frame (28), the driven roller (34) is rotatably connected with the movable block (30), the abrasive belt (35) is sleeved on the driving roller (33) and the driven roller (34), and the sliding grooves (36) are formed in two sides of the movable block (30);

the top of the mounting plate (15) is fixedly connected with a fixing mechanism (5);

fixed establishment (5) include support frame (16), rotate crank (17), fixed plate (18), rotate seat (19), lead screw (20), fixed knob (21), splint (22), chuck (23), the bottom and mounting panel (15) fixed connection of support frame (16), rotate crank (17) and support frame (16) and rotate and be connected, the middle part of fixed plate (18) side and the one end fixed connection who rotates crank (17), rotate seat (19) fixed connection at the opposite side of fixed plate (18), lead screw (20) with rotate seat (19) and rotate and be connected, the top fixed connection of fixed knob (21) and lead screw (20), splint (22) and lead screw (20) threaded connection, chuck (23) and splint (22) fixed connection.

2. A machine parts machining grinding apparatus as claimed in claim 1, wherein: the upper surface of the workbench (1) is fixedly connected with a limiting block (37) located on one side of the moving mechanism (3), and a rubber pad is bonded on one side of the limiting block (37).

3. A machine parts machining grinding apparatus as claimed in claim 1, wherein: the number of the moving grooves (6) is two, and the two moving grooves (6) are the same in width and are parallel to each other.

4. A machine parts machining grinding apparatus as claimed in claim 1, wherein: the number of the supporting columns (13) is four, the bottoms of the four supporting columns (13) are fixedly connected with wheel carriers (12), and the first gear (8) is arranged inside the wheel carriers (12).

5. A machine parts machining grinding apparatus as claimed in claim 1, wherein: the number of the movable rotary table (11) is one, the movable rotary table (11) is rotatably connected with the wheel carrier (12) through a rotating shaft, gear teeth are arranged on the radial periphery of the movable rotary table (11), and the number of the second gears (10) meshed with the movable rotary table (11) is also one.

6. A machine parts machining grinding apparatus as claimed in claim 1, wherein: the surface of the screw rod (20) is provided with symmetrical threads in opposite directions.

7. A machine parts machining grinding apparatus as claimed in claim 1, wherein: the number of the clamping plates (22) is two, and the two clamping plates are in threaded connection with the forward and reverse threads on the screw rod (20) respectively.

8. A machine parts machining grinding apparatus as claimed in claim 1, wherein: the size and model of the driving roller (33) and the size and model of the driven roller (34) are completely the same.