Grinding machine for synchronizing inner cavity and appearance of hydraulic casting

Abstract

The utility model relates to the technical field of hydraulic casting machining, and discloses a hydraulic casting inner cavity and appearance synchronization grinding machine which comprises a supporting plate and a supporting pipe, the middle of the supporting plate is rotationally connected with the supporting pipe through a first bearing, and a first belt wheel is fixedly arranged on one side of the supporting pipe. The first belt wheel is driven by a driving mechanism to drive the supporting pipe to rotate, one end of the supporting pipe is connected with a supporting block through an air cylinder, the supporting block is hinged to inner plates through adjusting rods, the number of the inner plates is four, and the inner plates are hinged to the supporting pipe through two supporting rods. The supporting device has the advantages that the outer plate and the inner plate can be supported through the support, the inner plate and the outer plate are arranged in the tubular hydraulic casting and on the outer surface of the tubular hydraulic casting respectively, and the supporting pipe is driven by the driving mechanism; and when the inner plate and the outer plate rotate, the inner cavity and the appearance of the tubular hydraulic casting can be ground through the inner grinding strips and the outer grinding strips correspondingly.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic casting processing, in particular to a grinding machine for synchronously grinding the inner cavity and the outer shape of a hydraulic casting. Background Art

[0002] Castings are metal shaped objects obtained by various casting methods, that is, the smelted liquid metal is poured into a pre-prepared mold by pouring, injection, suction or other casting methods, and then cooled and polished to obtain objects with a certain shape, size and performance.

[0003] Its application number is "CN202322030984.5" and disclosed "a device for grinding the inner cavity of wind power castings", which "comprises a mounting platform, a top surface of which is provided with a first movable groove on one side and a second movable groove perpendicular to the first movable groove on the other side, a first lead screw being rotatably installed in the first movable groove, a second lead screw being installed in the second movable groove, a first motor driving the first lead screw and a second motor driving the second lead screw being fixedly installed on two side surfaces of the mounting platform respectively, a first mounting plate being slidably installed on the first lead screw, a second mounting plate being slidably installed on the second lead screw, a rotating rod being rotatably connected to the first mounting plate toward the side surface of the second mounting plate, a third motor driving the rotating rod being fixedly installed on the other side surface of the first mounting, and a grinding part for grinding the inner cavity of the casting being fixedly connected to the end of the rotating rod away from the first mounting plate". In the utility model, a first screw, a second screw, a first motor, a second motor, a first mounting plate, a second mounting plate, a three-jaw chuck and a grinding piece are set. The first motor drives the movement of the first mounting plate on the first screw, and the second motor drives the movement of the second mounting plate on the second screw. At the same time, the casting on the three-jaw chuck also moves. The grinding head reciprocates under the movement of the first screw. At the same time, after the three-jaw chuck is ground for a layer, the inner cavity is expanded and ground by movement.

[0004] However, the above method still has the following defects: the grinding of tubular parts can be achieved by driving the grinding head with a motor, but it is difficult to grind the outer shape of the casting while grinding the inner cavity, the grinding efficiency is low, and the size of the grinding head is not adjustable, making it difficult to be used for tubular castings of different diameters. Utility Model Content

[0005] The utility model aims to provide a hydraulic casting inner cavity and outer shape synchronous grinding machine, so as to solve the problem that it is difficult to grind the inner cavity of the casting and its outer shape synchronously at the same time, and the grinding efficiency is low.

[0006] The utility model provides the following technical solutions: a hydraulic casting inner cavity and outer shape synchronous grinding machine, comprising a support plate and a support tube, the middle part of the support plate is rotatably connected to the support tube through a bearing, one side of the support tube is fixedly provided with a pulley, and the pulley is driven by a driving mechanism to drive the support tube to rotate, one end of the support tube is connected to a support block through a cylinder, the support block is hinged with an inner plate through an adjusting rod, four inner plates are provided, the inner plate is hinged to the support tube through two support rods, the inner plate is welded to an outer plate through a support, one side of the inner plate is provided with a tensioning assembly, one side of the inner plate and one side of the outer plate are respectively fixed with an inner grinding strip and an outer grinding strip.

[0007] As an optimal technical solution of the utility model, the driving mechanism includes a mounting seat and a motor, the mounting seat is fixedly connected to the support plate through a pillar, the motor is fixedly installed on the surface of the mounting seat, the output shaft of the motor is connected to pulley two, and pulley two is connected to pulley one through a V-belt.

[0008] As a preferred technical solution of the utility model, the middle part of the mounting seat is rotatably connected to one side of the support tube through bearing 2, the surface of the support plate and the surface of the mounting seat are respectively provided with through hole 1 and through hole 2, and the support tube is interlacedly connected with through hole 1 and through hole 2.

[0009] As a preferred technical solution of the utility model, a mounting plate is provided on one side of the mounting seat, and a plurality of mounting holes are opened on the surface of the mounting plate.

[0010] As a preferred technical solution of the utility model, one end of the adjusting rod and one end of the supporting rod are respectively hinged to the supporting block and the supporting tube through hinge plate 1, and the other end of the adjusting rod and the other end of the supporting rod are hinged to the inner plate through hinge plate 2.

[0011] As a preferred technical solution of the utility model, one end of the cylinder is fixedly connected to one end of the support tube, and the telescopic rod of the cylinder is fixedly connected to the middle part of the support block.

[0012] As a preferred technical solution of the utility model, the tensioning assembly includes a pad block, which is welded to the inner plate, one end of which is fixed with two pull rods, one end of which is connected to the outer plate via a screw, and the screw is threadedly connected with a nut.

[0013] As a preferred technical solution of the utility model, two rod grooves are provided on the surface of the outer plate, and the screw rods are interlaced and connected with the rod grooves.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The hydraulic casting inner cavity and outer shape synchronous grinding machine can support the outer plate and the inner plate through the support. The inner plate and the outer plate are respectively placed on the inner and outer surfaces of the tubular hydraulic casting, and the supporting tube is driven by the driving mechanism to drive the inner plate and the outer plate to rotate. When the inner plate and the outer plate rotate, the inner cavity and the outer shape of the tubular hydraulic casting can be synchronously ground by the inner grinding strip and the outer grinding strip, respectively, thereby improving the grinding efficiency of the tubular hydraulic casting. The inner plate and the outer plate can be tightened by the tightening assembly, the fulcrum is increased, and the tightness can be adjusted, thereby improving the firmness and stability of the inner plate and the outer plate, and preventing the outer plate from loosening.

[0016] 2. The hydraulic casting inner cavity and outer shape grinding machine avoids the rigid connection between the inner plate and the support block and the support tube by adjusting the rod and the support rod. By controlling the extension and retraction of the telescopic rod of the cylinder, the support block can be driven to move horizontally. When the support block moves, the angle of the adjusting rod can be adjusted. The adjusting rod can adjust the distance between the inner plate and the support tube. The support rod can support and guide it to prevent it from tilting. It can be used for tubular hydraulic castings of different diameters and can be flexibly set. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the structural schematic diagrams of the utility model;

[0018] Figure 2 This is the second structural diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the inner plate of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the tensioning assembly of the utility model.

[0022] In the figure: 1. support plate; 2. through hole 1; 3. bearing 1; 4. support tube; 5. pulley 1; 6. driving mechanism; 601. mounting seat; 602. pillar; 603. motor; 604. pulley 2; 605. V-belt; 606. bearing 2; 607. through hole 2; 608. mounting plate; 7. cylinder; 8. support block; 9. adjusting rod; 10. inner plate; 11. support rod; 12. support; 13. outer plate; 14. inner grinding strip; 15. outer grinding strip; 16. tensioning assembly; 1601. pad; 1602. pull rod; 1603. screw; 1604. nut; 17. rod slot; 18. hinge plate 1; 19. hinge plate 2. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] See also Figure 1-5 The utility model provides a hydraulic casting inner cavity and outer shape synchronous grinding machine, including a support plate 1 and a support tube 4, the middle part of the support plate 1 is rotatably connected to the support tube 4 through a bearing 3, a pulley 5 is fixedly provided on one side of the support tube 4, and the pulley 5 is driven by a driving mechanism 6 to drive the support tube 4 to rotate, one end of the support tube 4 is connected to a support block 8 through a cylinder 7, and the support block 8 is hinged with an inner plate 10 through an adjusting rod 9, and four inner plates 10 are provided, and the inner plate 10 is hinged to the support tube 4 through two support rods 11, and the inner plate 10 can support an outer plate 13 through a support 12, The support 12 can maintain the spacing between the inner plate 10 and the outer plate 13. By placing the inner plate 10 and the outer plate 13 on the inner and outer surfaces of the tubular hydraulic casting respectively, and driving the support tube 4 through the driving mechanism 6, the inner plate 10 and the outer plate 13 can be driven to rotate. The inner plate 10 is welded to the outer plate 13 through the support 12. A tensioning assembly 16 is provided on one side of the inner plate 10. The inner plate 10 and the outer plate 13 can be tightened by the tensioning assembly 16, and the tightness thereof can be adjusted to prevent the outer plate 13 from loosening. An inner grinding strip 14 and an outer grinding strip 15 are fixedly provided on one side of the inner plate 10 and one side of the outer plate 13, respectively.

[0026] One end of the adjusting rod 9 and one end of the supporting rod 11 are respectively hinged to the supporting block 8 and the supporting tube 4 through the hinge plate 18, and the other end of the adjusting rod 9 and the other end of the supporting rod 11 are hinged to the inner plate 10 through the hinge plate 2 19. The hinge plate 18 and the hinge plate 2 19 can ensure the angle change of the adjusting rod 9 and the supporting rod 11, and their postures can be adjusted;

[0027] One end of the cylinder 7 is fixedly connected to one end of the support tube 4, and the telescopic rod of the cylinder 7 is fixedly connected to the middle of the support block 8. The cylinder 7 can support the adjustment rod 9 through the support block 8, and the angle of the adjustment rod 9 can be maintained.

[0028] Embodiment 2:

[0029] The driving mechanism 6 includes a mounting seat 601 and a motor 603. The mounting seat 601 is fixedly connected to the support plate 1 through a pillar 602. The motor 603 is fixedly installed on the surface of the mounting seat 601. The output shaft of the motor 603 is connected to a pulley 2 604. The pulley 2 604 is connected to the pulley 1 5 through a V-belt 605. The motor 603 drives the pulley 2 604. The pulley 2 604 can drive the pulley 1 5 to rotate through the V-belt 605, and then the support tube 4 can rotate.

[0030] The middle part of the mounting seat 601 is rotatably connected to one side of the support tube 4 through the second bearing 606. The second bearing 606 can increase the fulcrum of the support tube 4, thereby improving the firmness and stability of the support tube 4. The surface of the support plate 1 and the surface of the mounting seat 601 are respectively provided with a through hole 1 2 and a through hole 2 607. The support tube 4 is connected with the through hole 1 2 and the through hole 2 607 through which the support tube 4 can be inserted.

[0031] A mounting plate 608 is disposed on one side of the mounting seat 601 . A plurality of mounting holes are provided on the surface of the mounting plate 608 . The mounting seat 601 can be fixedly mounted through the mounting holes of the mounting plate 608 .

[0032] Embodiment 3:

[0033] The tensioning assembly 16 includes a cushion block 1601, which is welded to the inner plate 10. Two tie rods 1602 are fixedly arranged at one end of the cushion block 1601. One end of the tie rod 1602 is connected to the outer plate 13 via a screw 1603. The screw 1603 is threadedly connected with a nut 1604. By tightening the nut 1604, the inner plate 10 and the outer plate 13 can be tightened, thereby increasing the fulcrum between the inner plate 10 and the outer plate 13, improving their stability and preventing them from shaking easily.

[0034] Two rod grooves 17 are provided on the surface of the outer plate 13 , and the screw rods 1603 are inserted and connected with the rod grooves 17 . The screw rods 1603 can be inserted through the rod grooves 17 , and the displacement of the outer plate 13 can be ensured at the same time.

[0035] When in use, firstly, the mounting seat 601 is fixed by the mounting plate 608 of the driving mechanism 6, and the support tube 4 is made coaxial with the chuck required for fixing the tubular hydraulic casting, then the inner plate 10 and the outer plate 13 are respectively placed on the inner and outer surfaces of the tubular hydraulic casting, and then the tubular hydraulic casting is fixed by the chuck, and then the motor 603 of the driving mechanism 6 drives the pulley 2 604, and the pulley 2 604 drives the pulley 1 5 to rotate through the V-belt 605, and then the support tube 4 can be rotated, and the support tube 4 drives the inner plate 10 and the outer plate 13 to rotate, and when the inner plate 10 and the outer plate 13 rotate, the inner cavity and the outer shape of the tubular hydraulic casting are synchronously polished by the inner polishing strip 14 and the outer polishing strip 15 respectively, so as to improve the polishing efficiency of the tubular hydraulic casting;

[0036] When it is necessary to grind tubular hydraulic castings of different diameters, the staff controls the extension and retraction of the telescopic rod of the cylinder 7. The telescopic rod of the cylinder 7 can drive the support block 8 to move horizontally. When the support block 8 moves, the angle of the adjusting rod 9 can be adjusted. After the angle of the adjusting rod 9 changes, the distance between the inner plate 10 and the support tube 4 can be adjusted. The support rod 11 can support and guide it to prevent it from tilting, which means it can be suitable for tubular hydraulic castings of different diameters. When installing the cylinder 7, the staff can electrically connect it through a conductive slip ring, and can pass a wire through the support tube 4 to prevent winding activity while ensuring the rotation of the cylinder 7 and the support tube 4.

[0037] When the outer plate 13 shakes due to long-term rotation, the staff can tighten the nut 1604 to tighten the inner plate 10 and the outer plate 13. While increasing the fulcrum between the inner plate 10 and the outer plate 13, the fit between the outer plate 13 and the tubular hydraulic casting can be improved, making it less likely to loosen.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic casting inner cavity and outer shape synchronous grinding machine, comprising a support plate (1) and a support tube (4), characterized in that: The middle part of the support plate (1) is rotatably connected to a support tube (4) via a bearing (3); a pulley (5) is fixedly provided on one side of the support tube (4); and the pulley (5) is driven by a driving mechanism (6) to drive the support tube (4) to rotate; one end of the support tube (4) is connected to a support block (8) via a cylinder (7); the support block (8) is hinged to an inner plate (10) via an adjusting rod (9); four inner plates (10) are provided; the inner plate (10) is hinged to the support tube (4) via two support rods (11); the inner plate (10) is welded to an outer plate (13) via a support (12); a tensioning assembly (16) is provided on one side of the inner plate (10); an inner grinding strip (14) and an outer grinding strip (15) are fixedly provided on one side of the inner plate (10) and one side of the outer plate (13), respectively.

2. The hydraulic casting inner cavity and outer shape synchronous grinding machine according to claim 1, characterized in that: The driving mechanism (6) comprises a mounting seat (601) and a motor (603); the mounting seat (601) is fixedly connected to the support plate (1) via a support column (602); the motor (603) is fixedly mounted on the surface of the mounting seat (601); the output shaft of the motor (603) is connected to a second pulley (604); and the second pulley (604) is connected to a first pulley (5) via a V-belt (605).

3. The hydraulic casting inner cavity and outer shape synchronous grinding machine according to claim 2, characterized in that: The middle part of the mounting seat (601) is rotatably connected to one side of the support tube (4) via a second bearing (606); a first through hole (2) and a second through hole (607) are respectively provided on the surface of the support plate (1) and the surface of the mounting seat (601); and the support tube (4) is interlacedly connected with the first through hole (2) and the second through hole (607).

4. The hydraulic casting inner cavity and outer shape synchronous grinding machine according to claim 2, characterized in that: A mounting plate (608) is provided on one side of the mounting seat (601), and a plurality of mounting holes are provided on the surface of the mounting plate (608).

5. The hydraulic casting inner cavity and outer shape synchronous grinding machine according to claim 1, characterized in that: One end of the adjusting rod (9) and one end of the supporting rod (11) are respectively hinged to the supporting block (8) and the supporting tube (4) through a hinge plate 1 (18), and the other end of the adjusting rod (9) and the other end of the supporting rod (11) are hinged to the inner plate (10) through a hinge plate 2 (19).

6. The hydraulic casting inner cavity and outer shape synchronous grinding machine according to claim 1, characterized in that: One end of the cylinder (7) is fixedly connected to one end of the support tube (4), and the telescopic rod of the cylinder (7) is fixedly connected to the middle part of the support block (8).

7. The hydraulic casting inner cavity and outer shape synchronous grinding machine according to claim 1, characterized in that: The tensioning assembly (16) includes a cushion block (1601), which is welded to the inner plate (10), and one end of the cushion block (1601) is fixedly provided with two pull rods (1602), one end of the pull rod (1602) is connected to the outer plate (13) via a screw (1603), and the screw (1603) is threadedly connected with a nut (1604).

8. The hydraulic casting inner cavity and outer shape synchronous grinding machine according to claim 7, characterized in that: Two rod grooves (17) are provided on the surface of the outer plate (13), and the screw rod (1603) is inserted and connected with the rod grooves (17).

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