CN213532036U - Grinding device for outer surface of mining machinery part - Google Patents

Grinding device for outer surface of mining machinery part Download PDF

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Publication number
CN213532036U
CN213532036U CN202022136618.4U CN202022136618U CN213532036U CN 213532036 U CN213532036 U CN 213532036U CN 202022136618 U CN202022136618 U CN 202022136618U CN 213532036 U CN213532036 U CN 213532036U
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plate
threaded
gear
vertical
moving platform
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徐帮明
丁仕武
丁露
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Ningguo Ningwu New Material Technology Co ltd
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Ningguo Ningwu New Material Technology Co ltd
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Abstract

The utility model discloses a mining machinery spare part surface grinding device, including uncovered rectangle control box, track groove and rectangle recess have been seted up to the bottom side inner wall of uncovered rectangle control box, and the track groove has two and mutual parallel arrangement, and the rectangle recess is located between two track grooves, and it is provided with the slip flat board to slide in the rectangle recess, slip dull and stereotyped top side is fixed to be provided with track fluted plate and cowl, cowl has two and symmetry respectively to set up the both sides at cowl, be provided with moving platform in the uncovered rectangle control box, moving platform's bottom both ends rigid coupling respectively has the backup pad, the spout has been seted up on moving platform's top side, and the rigid coupling has the screw thread horizontal pole between the both ends inner wall of spout. The utility model discloses not only guaranteed the effect of polishing, polished moreover more evenly, the effect is better, and the device has linkage nature, has improved efficiency, the cost is reduced, and application scope is wide, easy operation, and the practicality is strong.

Description

Grinding device for outer surface of mining machinery part
Technical Field
The utility model relates to a mechanical polishing processing equipment technical field especially relates to a mining machinery spare part surface grinding device.
Background
The in-process of polishing mechanical parts is being polished to current equipment of polishing, the most position that needs the artifical direction of polishing of adjustment mill or adjust parts adapts to polishing of great area mechanical parts, the accommodation process is loaded down with trivial details and consuming time power, especially adjust the back of polishing again to the direction of the spare part of cambered surface structure, cause more easily and polish inhomogeneous, the inefficiency, the effect is poor, part electromechanical device uses different motors to drive different accent to the operation, and is with high costs, and it is big to consume energy, can't satisfy the user demand of people in the production life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems of complex adjustment, uneven polishing and the like existing in the prior art and providing a grinding device for the outer surface of the part of the mining machinery.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a grinding device for the outer surface of parts of mining machinery comprises a non-cover rectangular operation box, wherein two track grooves and a rectangular groove are formed in the inner wall of the bottom side of the non-cover rectangular operation box, the track grooves are arranged in parallel, the rectangular groove is positioned between the two track grooves, a sliding flat plate is arranged in the rectangular groove in a sliding mode, a track tooth groove plate and an arc baffle plate are fixedly arranged on the top side of the sliding flat plate, the two arc baffle plates are symmetrically arranged on two sides of the arc baffle plate respectively, a moving platform is arranged in the non-cover rectangular operation box, supporting plates are fixedly connected to two ends of the bottom of the moving platform respectively, a sliding groove is formed in the top side of the moving platform, a thread cross rod is fixedly connected between the inner walls of two ends of the sliding groove, a horizontal sliding block is sleeved on the outer side of a rod body of the thread cross rod in a, the vertical upper parts of the horizontal sliding block and the moving platform are respectively provided with a vertical sliding block, a block body of the vertical sliding block is provided with a first vertical through hole and slides through the outer side of a first two threaded vertical rods, a plate body of the two vertical sliding blocks is provided with a horizontal through hole, a first rotating shaft is arranged in the horizontal through hole in a sliding manner, a first threaded groove is arranged between the vertical sliding block and the first rotating shaft and is in threaded connection with the first threaded nail, one end, away from each other, of the first rotating shaft is fixedly connected with a polygonal limiting plate, the other end of the first rotating shaft is provided with a circular plate, the circular plate is provided with a horizontal circular groove and is sleeved outside one end of the first rotating shaft, a second threaded nail is fixedly connected between the first rotating shaft and the first rotating shaft, one side of the moving platform is fixedly connected with an L-shaped side plate, the top of the L-shaped side, a fifth gear is fixedly sleeved on the outer side of a shaft body of an output shaft of the first motor, a second gear is rotatably connected to the bottom side of a plate body of the moving platform and is in meshed connection with the first gear, a connecting shaft is fixedly connected to the bottom side of the second gear, a third gear is fixedly connected to the bottom side of the connecting shaft and is in meshed connection with a track toothed groove plate, a sixth gear is rotatably connected to the top side of the moving platform, a second threaded vertical rod is fixedly connected to the top side of the sixth gear, a fourth gear is slidably sleeved on the outer side of a polygonal limiting plate and is in meshed connection with the second threaded vertical rod, a polygonal column is fixedly connected to the top of the side wall of the uncovered rectangular operating box, a transverse plate is slidably sleeved on the outer side of the column, a polygonal hoop is fixedly sleeved on the fixed sleeve, a shock-absorbing telescopic, the bilateral symmetry of motor two is provided with two L shape limiting plates, the top side and the diaphragm rigid coupling of L shape limiting plate, the one end rigid coupling of two output shafts of motor has the mill, the equal threaded connection in the body of rod outside of screw thread horizontal pole and screw thread montant one has the clamp, round hole and rigid coupling have the bolt all been seted up at the both ends of clamp and polygon clamp.
Preferably, with a motor homonymy the polygon limiting plate has a circle axle in the one side rigid coupling that is close to motor one, thread groove two has been seted up to the axis body of circle axle, and two female connections in thread groove have the screw thread bail, the equal rigid coupling in one end that the circle axle is close to the motor, the top side of screw thread montant one, the top side of polygon post and the top side of screw thread montant two has the limiting plate.
Preferably, the bottom of the supporting plate is provided with a pulley, the pulley is connected in the track groove in a rolling manner, and the side, close to each other, of the circular plate is fixedly provided with an anti-skid pad.
Preferably, the mill is located the vertical top at uncovered rectangle control box diapire middle part, the polygon clamp has two and is located the upper and lower both sides of diaphragm respectively, the shock attenuation telescopic link has a plurality of.
Preferably, the clamp in the screw thread horizontal pole outside is located the one side that horizontal slider deviates from motor one, the clamp in the screw thread montant outside is located the upper and lower both sides of vertical slider respectively.
Preferably, the top of the vertical section of the connecting shaft is U-shaped, and the bottom of the vertical section of the connecting shaft is T-shaped.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a mutual cooperation between each part, the effect of polishing of mining machinery spare part surface has not only been guaranteed, and use a motor to drive the rotation operation and the horizontal migration operation that cambered surface structure machine part polished, polish more evenly, the effect is better, and the device has linkage, work efficiency has been improved, the cost is reduced, the power consumption has been reduced, and simultaneously, the rotation operation can be suspended at any time as required, with this mechanical spare part that adapts to planar structure polishes, application scope is wide, in addition, the pulley has reduced frictional force, it is more smooth and easy to make horizontal migration, slipmat increase frictional force, make the centre gripping more stable, the shock attenuation telescopic link reduces the contact impact of rigid structure, the stability of structure is improved, the removal and the positioning speed of clamp are faster, high operation simplicity, therefore, the clothes hanger is strong in practicability.
Drawings
Fig. 1 is a schematic structural view of a grinding device for the outer surface of a mining machine part according to the present invention;
fig. 2 is a schematic view of a front cross-sectional structure of the grinding device for the outer surface of the mining machine part provided by the present invention;
fig. 3 is an enlarged structural schematic diagram of a part a of the grinding device for the outer surface of the mining machine part provided by the present invention;
fig. 4 is a schematic side view, a cross-sectional structure of a part of the grinding device for the outer surface of the mining machine part provided by the present invention;
fig. 5 is a schematic view of a partial top cross-sectional structure of a grinding device for the outer surface of a mining machine component according to the present invention.
In the figure: the device comprises an uncovered rectangular operation box 1, a sliding flat plate 2, a track toothed groove plate 3, an arc baffle plate 4, a moving platform 5, a supporting plate 6, a pulley 7, a threaded cross rod 8, a horizontal sliding block 9, a hoop 10, a bolt 11, a threaded vertical rod 12, a vertical sliding block 13, a rotating shaft 14, a threaded nail 15, a threaded nail II 16, a circular plate 17, an anti-skid pad 18, a polygonal limiting plate 19, a motor I20, an L-shaped side plate 21, a gear I22, a gear II 23, a connecting shaft 24, a gear III 25, a circular shaft 26, a threaded clamping nail 27, a gear IV 28, a gear V29, a gear VI 30, a threaded vertical rod II 31, a polygonal column 32, a transverse plate 33, a damping telescopic rod 34, a motor II 35, an L-shaped limiting plate 36, a grinding disc 37.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-5, a grinding device for the outer surface of parts of mining machinery, comprising a non-covered rectangular operation box 1, wherein the inner wall of the bottom side of the non-covered rectangular operation box 1 is provided with two track grooves and a rectangular groove, the two track grooves are arranged in parallel, the rectangular groove is arranged between the two track grooves, a sliding flat plate 2 is arranged in the rectangular groove in a sliding manner, the top side of the sliding flat plate 2 is fixedly provided with a track tooth groove plate 3 and an arc baffle plate 4, the two arc baffle plates 4 are respectively and symmetrically arranged at the two sides of the arc baffle plate 4, a moving platform 5 is arranged in the non-covered rectangular operation box 1, the two ends of the bottom of the moving platform 5 are respectively and fixedly connected with a support plate 6, the top side of the moving platform 5 is provided with a sliding groove, a threaded cross rod 8 is fixedly connected between the inner walls of the two ends of the sliding groove, the outer side of the rod body, the vertical sliding blocks 13 are respectively arranged vertically above the horizontal sliding block 9 and the moving platform 5, a block body of each vertical sliding block 13 is provided with two vertical through holes I which are penetrated through by sliding from the outer sides of two threaded vertical rods 12, the plate bodies of the two vertical sliding blocks 13 are provided with horizontal through holes, rotating shafts I14 are arranged in the horizontal through holes in a sliding manner, a threaded groove is arranged between each vertical sliding block 13 and each rotating shaft I14 and is connected with a threaded nail I15 in a threaded manner, one ends, away from each other, of the two rotating shafts I14 are fixedly connected with a polygonal limiting plate 19, the other ends of the two rotating shafts I are provided with circular plates 17, each circular plate 17 is provided with a horizontal circular groove which is sleeved on the outer side of one end of each rotating shaft I14, a threaded nail II 16 is fixedly connected between each rotating shaft I14, one side of the moving platform 5 is fixedly connected with an L-shaped side plate 21, the top of the L-shaped, a fifth gear 29 is fixedly sleeved on the outer side of a shaft body of an output shaft of the first motor 20, a second gear 23 is rotatably connected to the bottom side of a plate body of the moving platform 5, the second gear 23 is meshed with the first gear 22, a connecting shaft 24 is fixedly connected to the bottom side of the second gear 23, a third gear 25 is fixedly connected to the bottom side of the connecting shaft 24, the third gear 25 is meshed with the track toothed groove plate 3, a sixth gear 30 is rotatably connected to the top side of the moving platform 5, a second threaded vertical rod 31 is fixedly connected to the top side of the sixth gear 30, a fourth gear 28 is slidably sleeved on the outer side of the polygonal limiting plate 19, the fourth gear 28 is meshed with the second threaded vertical rod 31, a polygonal column 32 is fixedly connected to the top of the side wall of the uncovered rectangular operating box 1, a transverse plate 33 is slidably sleeved on the outer side of the polygonal column 32, a polygonal hoop, the bilateral symmetry of the second motor 35 is provided with two L-shaped limiting plates 36, the top side of the L-shaped limiting plates 36 is fixedly connected with the transverse plate 33, one end of an output shaft of the second motor 35 is fixedly connected with a grinding disc 37, the outer sides of the rod bodies of the threaded cross rod 8 and the threaded vertical rod 12 are respectively in threaded connection with a clamp 10, and the two ends of the clamp 10 and the polygonal clamp 38 are respectively provided with a round hole and fixedly connected with a bolt 11.
In this embodiment, for a mechanical component to be polished on an arc-shaped outer surface, first, a suitable clamping plate is selected, the circular plate 17 can be disassembled and assembled through the second threaded nail 16 and replaced with a structure of various shapes, according to actual requirements of a clamping surface, the circular plate 17 of a corresponding structure is selected and then fixed on the outer side of one end of the first rotating shaft 14, the mechanical component to be polished is firstly horizontally placed between the two circular plates 17, so that the arc-shaped outer surface is parallel to the threaded cross rod 8, wherein the clamping height of the vertical sliding block 13 can be adjusted according to the diameter of the arc-shaped outer surface of the mechanical component, if the diameter is large, the bolt 11 sleeved outside the first threaded vertical rod 12 is rotated and loosened, the clamp 10 can be vertically moved, the vertical sliding block 13 is vertically moved accordingly, the required height is adjusted, and then the bolt 11 is locked to fix the.
Thereafter, the machine component is fixed, the horizontal slider 9 and the clip 10 are moved to a position where the machine component is stably held, and the horizontal slider 9 is fixed by the locking bolt 11. Then, the grinding disc 37 is positioned and fixed, the polygonal clamp 38 sleeved outside the polygonal column 32 is rotated and loosened, the transverse plate 33 moves downwards due to the action of gravity, the transverse plate 33 moves downwards to drive the damping telescopic rod 34 and the L-shaped limiting plate 36 to move downwards, the motor II 35 is driven to move downwards accordingly, the grinding disc 37 moves downwards until the bottom of the grinding disc 37 contacts the top end of the grinding surface of the mechanical part, then the bolt 11 on the polygonal clamp 38 is rotated and locked to fix the position of the grinding disc 37, the motor II 35 is started, and the grinding disc 37 starts to rotate for grinding, wherein the polygonal column 32 can limit the direction of the transverse plate 33, the transverse plate 33 is prevented from deviating, the L-shaped limiting plate 36 can limit the lowest position of the motor II 35, and therefore the grinding thickness of the grinding disc 37 is limited.
Then, the first screw 15 is rotated to move out of the vertical sliding block 13, so that the first rotating shaft 14 can rotate in the vertical sliding block 13, the first motor 20 is started, the output shaft of the first motor 20 starts to rotate, the first gear 22 and the fifth gear 29 are driven to rotate simultaneously, the rotation of the first gear 22 drives the second gear 23 to rotate, and then the third gear 25 is driven to rotate through the connecting shaft 24. Rotation of gear three 25 will then cause gear three 25 to simultaneously move through track groove plate 3 in a direction parallel to threaded crossbar 8, causing movement of moveable platform 5 and support plate 6, which in turn causes pulley 7 to roll within the track groove. When the third gear 25 moves to one end of the track toothed groove plate 3, the uncovered rectangular operating box limits the supporting plate 6, so that the third gear 25 does not move horizontally any more but only rotates, the sliding flat plate 2 slides towards the vertical direction of the threaded cross rod 8 under the action of the track toothed groove plate 3, then the third gear 25 moves horizontally in the reverse direction, the moving platform 5 is driven to move horizontally in the reverse direction, and the like, so that the purpose of enabling the moving platform 5 to move horizontally in a circulating reciprocating mode is achieved. The reciprocating translation of the mobile platform 5 causes the mechanical parts held above it to translate reciprocally.
Meanwhile, the rotation of the fifth gear 29 causes the sixth gear 30 to rotate along with the sixth gear, and then drives the second threaded vertical rod 31 to rotate, and then drives the fourth gear 28 to rotate, and then causes the polygonal limiting plate 19 to rotate, and then causes the circular plate 17 to rotate through the first rotating shaft 14, and then drives the clamped mechanical part to rotate. Finally, the mechanical parts with the arc-shaped outer surfaces can rotate and horizontally move in the polishing process, and the purposes of more uniform polishing and efficiency improvement are achieved. And finally, after the limiting position of the L-shaped limiting plate 36 is ground, the grinding disc 37 is not contacted with the outer surface of the mechanical part, the grinding is stopped, and at this point, the first motor 20 and the second motor 35 are closed, and the mechanical part is taken out. Horizontal movement and rotation of the grinding mechanical parts are achieved through the first motor 20, linkage is achieved, and cost is saved.
Example two
Referring to fig. 1 to 5, in this embodiment, basically the same as the first embodiment, it is more preferable that the polygonal limiting plate 19 on the same side as the first motor 20 is fixedly connected with a circular shaft 26 on a side close to the first motor 20, a second threaded groove is formed in a shaft body of the circular shaft 26, a threaded staple 27 is connected to the second threaded groove through internal threads, and limiting plates 39 are fixedly connected to one end of the circular shaft 26 close to the motor, a top side of the first threaded vertical rod 12, a top side of the polygonal column 32, and a top side of the second threaded vertical rod 31. The screw staple 27 can be taken out in a rotating mode, the gear four 28 is moved to the end, close to the limiting plate 39, of the circular shaft 26, the first motor 20 stops rotating operation of the mechanical part, the first screw nail 15 is connected with the vertical sliding block 13 and the first rotating shaft 14 in a threaded mode, the circular plate 17 can be fixed, the first motor 20 is started to move horizontally, and the screw staple polishing machine is suitable for polishing the mechanical part with the outer surface being in a planar structure.
The pulley 7 is installed to the bottom of backup pad 6, and pulley 7 roll connection is in the track inslot, and one side that the plectane 17 is close to each other all fixedly is provided with slipmat 18, and the vertical cross-section top of connecting axle 24 is the U font, and the bottom is the T font. The pulley 7 can reduce friction, makes the device function more stable, improves the practicality, and the slipmat 18 can increase friction, makes the centre gripping more stable, and the connecting axle 24 can realize the coaxial rotation of two 23 and three 25 gears of gear to the high rotational speed to the output shaft of motor 20 slows down.
The grinding disc 37 is located in the vertical upper portion of the middle portion of the bottom wall of the uncovered rectangular operation box 1, the polygonal clamps 38 are two and located on the upper side and the lower side of the transverse plate 33 respectively, the damping telescopic rods 34 are provided with a plurality of, the clamps 10 on the outer side of the threaded cross rod 8 are located on one side, away from the first motor 20, of the horizontal sliding block 9, and the clamps 10 on the outer side of the first threaded vertical rod 12 are located on the upper side and the lower side of the vertical sliding. The grinding disc 37 ensures that the grinding of horizontal movement can completely pass through the outer surface of a mechanical part at the middle position, the shock absorption telescopic rod 34 can reduce the contact impact of a rigid structure, the stability of the structure is improved, and the movement and positioning speeds of the polygonal clamp 38 and the clamp 10 are higher, so that the operation is simple.
The utility model discloses a mutual cooperation between each part has not only guaranteed the effect of polishing, and it is more even to polish moreover, and the effect is better, and the device has the linkage nature, has improved work efficiency, and the cost is reduced has reduced the power consumption, and application scope is wide, easy operation, and the practicality is strong.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A grinding device for the outer surface of a mining machine part comprises a non-covered rectangular operation box (1) and is characterized in that track grooves and rectangular grooves are formed in the inner wall of the bottom side of the non-covered rectangular operation box (1), the track grooves are arranged in parallel, the rectangular grooves are located between the two track grooves, a sliding flat plate (2) is arranged in the rectangular grooves in a sliding mode, a track tooth groove plate (3) and an arc baffle plate (4) are fixedly arranged on the top side of the sliding flat plate (2), the two arc baffle plates (4) are symmetrically arranged on two sides of the arc baffle plate (4) respectively, a moving platform (5) is arranged in the non-covered rectangular operation box (1), supporting plates (6) are fixedly connected to two ends of the bottom of the moving platform (5) respectively, sliding grooves are formed in the top side of the moving platform (5), and threaded cross rods (8) are fixedly connected between the inner walls of two, the outer side of a rod body of the threaded cross rod (8) is slidably sleeved with a horizontal sliding block (9), the top side of the horizontal sliding block (9) and the top side of a plate body of the moving platform (5) are respectively and fixedly provided with two threaded vertical rods (12), vertical sliding blocks (13) are respectively arranged above the horizontal sliding block (9) and the moving platform (5), a block body of each vertical sliding block (13) is provided with two vertical through holes I and slides through from the outer sides of the two threaded vertical rods (12), the plate bodies of the two vertical sliding blocks (13) are both provided with horizontal through holes, a rotating shaft I (14) is arranged in each horizontal through hole in a sliding mode, a threaded groove is formed between each vertical sliding block (13) and each rotating shaft I (14) and is connected with a threaded nail I (15) in a threaded mode, and one ends, far away from each other, of, the other end is provided with a circular plate (17), the circular plate (17) is provided with a horizontal circular groove and is sleeved outside one end of a first rotating shaft (14), a second threaded nail (16) is fixedly connected between the circular plate (17) and the first rotating shaft (14), one side of the moving platform (5) is fixedly connected with an L-shaped side plate (21), a first motor (20) is fixedly connected to the top of the L-shaped side plate (21), a second vertical through hole is formed in a plate body of the moving platform (5), one end of an output shaft of the first motor (20) slides through the second vertical through hole and is fixedly connected with a first gear (22), a fifth gear (29) is fixedly sleeved outside a shaft body of the output shaft of the first motor (20), the second gear (23) is rotatably connected to the bottom side of the plate body of the moving platform (5), the second gear (23) is meshed with the first gear (22), and a connecting shaft, the bottom side rigid coupling of connecting axle (24) has gear three (25), gear three (25) is connected with track rack plate (3) meshing, the top side of moving platform (5) is rotated and is connected with gear six (30), the top side rigid coupling of gear six (30) has screw thread montant two (31), the outside slip cover of polygon limiting plate (19) is equipped with gear four (28), gear four (28) is connected with screw thread montant two (31) meshing, the lateral wall top rigid coupling of uncovered rectangle control box (1) has polygon post (32), the cylinder outside slip cover of polygon post (32) is equipped with diaphragm (33) to the fixed cover is equipped with polygon clamp (38), the bottom side rigid coupling of diaphragm (33) has shock attenuation telescopic link (34), the bottom side rigid coupling of shock attenuation telescopic link (34) has motor two (35), the bilateral symmetry of motor two (35) is provided with two L shape limiting plate (36), the top side and diaphragm (33) rigid coupling of L shape limiting plate (36), the one end rigid coupling of two (35) motor output shafts has mill (37), the equal threaded connection in the body of rod outside of screw thread horizontal pole (8) and screw thread montant (12) has clamp (10), round hole and rigid coupling have bolt (11) all been seted up at the both ends of clamp (10) and polygon clamp (38).
2. The grinding device for the outer surface of the mining machine part as claimed in claim 1, wherein the polygonal limiting plate (19) on the same side as the first motor (20) is fixedly connected with a round shaft (26) on one side close to the first motor (20), a second threaded groove is formed in the shaft body of the round shaft (26), a threaded clamp (27) is connected with the second threaded groove in an internal thread manner, and a limiting plate (39) is fixedly connected to one end, close to the motor, of the round shaft (26), the top side of the first threaded vertical rod (12), the top side of the polygonal column (32) and the top side of the second threaded vertical rod (31).
3. The grinding device for the outer surface of the mining machine part as claimed in claim 1, wherein the bottom of the supporting plate (6) is provided with a pulley (7), the pulley (7) is connected in a rail groove in a rolling manner, and the sides of the circular plates (17) close to each other are fixedly provided with anti-skid pads (18).
4. The grinding device for the outer surface of the mining machine part as claimed in claim 1, wherein the grinding disc (37) is located vertically above the middle of the bottom wall of the uncovered rectangular operating box (1), two polygonal clamping bands (38) are respectively located on the upper side and the lower side of the transverse plate (33), and a plurality of damping telescopic rods (34) are provided.
5. The grinding device for the outer surface of the mining machine part as recited in claim 1, characterized in that the clamp (10) on the outer side of the threaded cross rod (8) is located on one side of the horizontal sliding block (9) away from the motor I (20), and the clamp (10) on the outer side of the threaded vertical rod I (12) is located on the upper side and the lower side of the vertical sliding block (13).
6. The mining machine part outer surface grinding device as defined in claim 1, wherein the connecting shaft (24) has a U-shaped top vertical section and a T-shaped bottom vertical section.
CN202022136618.4U 2020-09-25 2020-09-25 Grinding device for outer surface of mining machinery part Active CN213532036U (en)

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Application Number Priority Date Filing Date Title
CN202022136618.4U CN213532036U (en) 2020-09-25 2020-09-25 Grinding device for outer surface of mining machinery part

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Application Number Priority Date Filing Date Title
CN202022136618.4U CN213532036U (en) 2020-09-25 2020-09-25 Grinding device for outer surface of mining machinery part

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CN213532036U true CN213532036U (en) 2021-06-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115229508A (en) * 2022-07-20 2022-10-25 上海三茂机械有限公司 High-efficient press die

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115229508A (en) * 2022-07-20 2022-10-25 上海三茂机械有限公司 High-efficient press die

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