Ice pressure crankshaft six-station special machine

Abstract

The utility model provides an ice pressure crankshaft six-station special machine which comprises a working table, the working table is rotationally connected with a supporting table through a driving motor, and the supporting table is distributed in the axial direction and connected with six clamps used for fixing a crankshaft. The six clamps sequentially correspond to a first station, a second station, a third station, a fourth station, a fifth station and a sixth station on the workbench, the second station is connected with a power mechanism, the power mechanism is connected with a power motor, the power motor is connected with a milling cutter, and the milling cutter is connected with a milling cutter. The third station, the fifth station and the sixth station are all connected with a feeding motor through an adjusting mechanism, the feeding motor is connected with a drill bit, automatic crankshaft machining is achieved, and the purpose of improving the production efficiency is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of refrigerator compressor parts manufacturing, in particular, relate to a six station special machine of ice pressure crankshaft. BACKGROUND

[0002] In the refrigerator compressor, the crankshaft is a relatively important part. Figure 1 And Figure 2 As shown in the structure schematic view of crankshaft 1, the end face of crankshaft 1 needs to be milled first to obtain positioning surface 11, and then deep hole 12 is punched on positioning surface 11.

[0003] At present, the existing operation method is to fix the crankshaft on the milling machine, mill the positioning surface on the crankshaft by milling cutter, then take the crankshaft off the milling machine, then fix the crankshaft on the drilling machine, and then drill the deep hole with the drill bit, the axis of the deep hole is non-coaxial with the axis of the crankshaft, the operation is relatively inconvenient, and the production efficiency is not high. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a six station special machine of ice pressure crankshaft, realizing the effect of automatic processing of crankshaft and achieving the purpose of improving production efficiency.

[0005] In order to solve the above technical problems, the technical scheme of the utility model is as follows: a six station special machine of ice pressure crankshaft, comprising a workbench, the workbench is rotationally connected with a support table through a driving motor, the support table is axially distributed and connected with six clamps for fixing the crankshaft, the six clamps sequentially correspond to a first station, a second station, a third station, a fourth station, a fifth station and a sixth station on the workbench, the second station is connected with a power mechanism, the power mechanism is connected with a power motor, the power motor is connected with a milling cutter, the third station, the fifth station and the sixth station are all connected with a feed motor through an adjusting mechanism, and the feed motor is connected with a drill bit.

[0006] The crankshaft is fixed on the clamp, and at this time, the crankshaft is located at the first station; the driving motor is started and the supporting table is rotated to move the crankshaft to the second station; the power mechanism drives the power motor to move, the power motor is started and the milling cutter mills the crankshaft to obtain a positioning surface on the end of the crankshaft; then the driving motor is started again, the supporting table is rotated, the crankshaft is moved to the third station, the adjusting mechanism adjusts the feeding motor to the appropriate position, the feeding motor is started and the drill bit is used to punch a hole on the crankshaft for the first time; then the driving motor is started, the crankshaft is moved to the third station, and workers can check the machining condition of the crankshaft; then the driving motor is started, the crankshaft is moved to the fourth station, and the drill bit is used to punch a hole on the crankshaft for the second time; finally, the driving motor is started, the crankshaft is moved to the fifth station, and the drill bit is used to punch a hole on the crankshaft for the third time to obtain a deep hole; the deep hole has a relatively large depth, and multiple punching is required to avoid breakage of the drill bit; finally, the driving motor is started, the crankshaft is moved to the first station, and the crankshaft is taken off from the clamp, so that the automatic machining process of the crankshaft is realized, and the production efficiency is greatly improved.

[0007] As a preferred scheme of the utility model, the power mechanism comprises a lower fixing base, an upper fixing base and a sliding base, the lower fixing base is fixed on the workbench, the upper fixing base is slidably connected to the lower fixing base along the length direction of the lower fixing base, the lower fixing base drives the upper fixing base to move through a lower driving assembly, the sliding base is slidably connected to the upper fixing base along the length direction of the upper fixing base, the upper fixing base drives the sliding base to move through an upper driving assembly, the power motor is fixed on the sliding base, and the displacement direction of the sliding base and the displacement direction of the upper fixing base are cross-shaped.

[0008] The lower driving assembly drives the sliding base to move longitudinally, and the longitudinal position of the milling cutter, i.e. the milling depth, is adjusted; the upper driving assembly drives the sliding base to move transversely, and the milling cutter mills the crankshaft, so that the milling cutter can quickly mill the positioning surface on the end face of the crankshaft.

[0009] As a preferred scheme of the utility model, the lower driving assembly comprises a lower motor, a lower sliding rail, a lower sliding block and a lower screw rod, the lower motor and the lower sliding rail are fixed on the lower fixing base, the axial direction of the lower screw rod is parallel to the length direction of the lower sliding rail and is threadedly connected with the upper fixing base, the lower screw rod is rotatably connected to the lower fixing base, the upper fixing base is slidably connected to the lower sliding rail through the lower sliding block, and the lower motor drives the lower screw rod to rotate.

[0010] The lower motor is started, the lower screw rod is rotated, the upper fixing base is smoothly moved along the length direction of the lower sliding rail through the transmission of the thread, and the milling depth of the milling cutter is quickly adjusted.

[0011] As a preferred scheme of the utility model, the upper drive assembly includes upper motor, upper slide rail, upper sliding block, upper screw rod, the upper motor, upper slide rail is fixed on the upper fixed base, the axial direction of the upper screw rod is parallel with the length direction of the upper slide rail and is connected with the slide base through screw thread, the upper screw rod is rotatably connected on the upper fixed base, the upper fixed base is slidably connected on the upper slide rail through the upper sliding block, the upper motor drives the upper screw rod to rotate, the lower slide rail and the upper slide rail are cross arranged.

[0012] The upper motor is started, the upper screw rod is rotated, the slide base is moved along the length direction of the upper slide rail steadily through the transmission of screw thread, so that the crankshaft is milled quickly.

[0013] As a preferred scheme of the utility model, the adjusting mechanism includes stand, angle adjusting assembly, displacement adjusting assembly, height adjusting assembly, the angle adjusting assembly is arranged on the workbench, the displacement adjusting assembly is arranged on the angle adjusting assembly, the stand is connected with the displacement adjusting assembly, the feeding motor is connected on the stand through the height adjusting assembly.

[0014] The angle adjusting assembly makes the displacement adjusting assembly rotate, so that the axis of the drill bit is parallel with the axis of the deep hole, the displacement adjusting assembly drives the stand to translate, so that the axis of the drill bit is matched with the axis of the deep hole in the height direction, the height adjusting assembly drives the feeding motor to move along the height direction, so that the axis of the drill bit is coaxial with the axis of the deep hole, when the feeding motor is started, the drill bit can drill the appropriate hole on the crankshaft, through multiple drilling of the drill bits, the deep hole can be obtained on the crankshaft.

[0015] As a preferred scheme of the utility model, the angle adjusting assembly includes angle adjusting plate, arc-shaped groove, rotating shaft and locking bolt, the angle adjusting plate is horizontally arranged and is rotatably connected on the workbench through the rotating shaft, the arc-shaped groove is arranged on the angle adjusting plate and is coaxially arranged with the rotating shaft, the locking bolt passes through the arc-shaped groove and fixes the angle adjusting plate on the workbench, the displacement adjusting assembly is connected on the angle adjusting plate.

[0016] The angle adjusting plate is rotated along the axis of the rotating shaft, the angle of the drill bit is adjusted, then the locking bolt is tightened, so that the angle adjusting plate is fixed on the workbench, and the operation is simple and convenient.

[0017] As a preferred scheme of the utility model, the displacement adjusting assembly includes fixed plate, sliding plate, the fixed plate is fixed on the side of the angle adjusting plate which is opposite to the workbench, the sliding plate is slidably connected with the fixed plate and is fixed on the fixed plate through the fastening bolt, and the stand is fixed on the sliding plate.

[0018] The slide plate is translated along the fixed plate, and then the slide plate is fixed to the fixed plate through the fastening bolt, so that the slide plate is positioned, and the operation is simple.

[0019] As a preferred scheme of the utility model, the height adjusting assembly comprises a vertical plate and a limiting plate, the vertical plate is fixed on the stand and vertically arranged, the limiting plate is slidably connected with the vertical plate and fixed on the vertical plate through a positioning bolt, and the feeding motor is fixed on the limiting plate.

[0020] The height position of the drill bit is matched with the height position of the deep hole by moving the limiting plate along the length direction of the vertical plate, and then the limiting plate is fixed on the vertical plate through the positioning bolt, so that the feeding motor is positioned, and the operation is simple.

[0021] As a preferred scheme of the utility model, the clamp comprises a fixed block, a V-shaped groove, a corner oil cylinder and a pressing block, the fixed block is fixed on the supporting table, the V-shaped groove is arranged on the side of the fixed block away from the workbench and used for placing the crankshaft, the corner oil cylinder is fixed on the fixed block, and the corner oil cylinder drives the pressing block to abut against the crankshaft and press the crankshaft in the V-shaped groove.

[0022] The crankshaft is placed in the V-shaped groove, the corner oil cylinder is turned on, the pressing block press the crankshaft in the V-shaped groove, so that the crankshaft is positioned, the corner oil cylinder is turned on, and the pressing block is separated from the crankshaft, so that the crankshaft can be taken out from the V-shaped groove, and the operation is simple.

[0023] As a preferred scheme of the utility model, the clamp further comprises a thin oil cylinder and a limiting block, the thin oil cylinder is fixed on the fixed block and located at the end of the crankshaft away from the positioning surface, the limiting block is driven by the thin oil cylinder and clamps the crankshaft together with the fixed block, a plunger is threadedly connected to the limiting block, and the plunger abuts against the outer wall of the crankshaft.

[0024] The thin oil cylinder is turned on, the limiting block and the fixed block clamp the crankshaft, so that the crankshaft is not easy to move on the fixed block, the plunger abuts against the outer wall of the crankshaft, so that the rotation of the crankshaft is limited, and the crankshaft is fixed. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic view of the crankshaft;

[0026] Figure 2 It is a position schematic view of the deep hole;

[0027] Figure 3 It is a structural schematic view of the utility model;

[0028] Figure 4 It is a connection structural schematic view of the clamp and the crankshaft;

[0029] Figure 5 A structure schematic view for embodying the fixture;

[0030] Figure 6 A structure schematic view for embodying the workbench;

[0031] Figure 7 A structure schematic view for embodying the support table;

[0032] Figure 8 A structure schematic view for embodying the angle adjusting plate.

[0033] The drawings show that the utility model relates to a six-station special machine for pressing a crankshaft, which comprises a workbench 2, wherein the workbench 2 is fixed to the inside of a main machine 20; the workbench 2 is horizontally placed; a driving motor 21 is fixedly connected to the middle part of the workbench 2; a support table 22 is connected to the driving motor 21; when the driving motor 21 is started, the support table 22 rotates; the driving motor 21 is a servo motor; the rotating shaft of the support table 22 is coaxially arranged with the shaft center of the support table 22. DETAILED DESCRIPTION

[0034] The specific embodiment of the utility model is further described in detail in combination with the drawings, so that the technical scheme of the utility model is easier to understand and master.

[0035] A six-station special machine for pressing a crankshaft, which comprises a workbench 2, wherein the workbench 2 is fixed to the inside of a main machine 20; the workbench 2 is horizontally placed; a driving motor 21 is fixedly connected to the middle part of the workbench 2; a support table 22 is connected to the driving motor 21; when the driving motor 21 is started, the support table 22 rotates; the driving motor 21 is a servo motor; the rotating shaft of the support table 22 is coaxially arranged with the shaft center of the support table 22.

[0036] Six fixtures 3 for fixing the crankshaft 1 are fixedly connected to the upper surface of the support table 22; the six fixtures 3 are uniformly distributed along the shaft center of the support table 22.

[0037] The fixture 3 includes a fixed block 31, a V-groove 32, a rotary cylinder 33, and a pressure block 34. The fixed block 31 is fixed to the support table 22. The V-groove 32 is formed on the side of the fixed block 31 facing away from the worktable 2 and is used to place the crankshaft 1. The length direction of the V-groove 32 is parallel to the radial direction of the support table 22. The rotary cylinder 33 is fixed to the fixed block 31. The rotary cylinder 33 drives the pressure block 34 to press against the crankshaft 1 and press the crankshaft 1 into the V-groove 32.

[0038] The clamp 3 also includes a thin hydraulic cylinder 35 and a limiting block 36. The thin hydraulic cylinder 35 is fixed to the fixing block 31 and located at the end of the crankshaft 1 away from the positioning surface 11. The limiting block 36 is driven by the thin hydraulic cylinder 35, and the limiting block 36 and the fixing block 31 clamp the crankshaft 1. A plunger 37 is threaded onto the side wall of the limiting block 36, and the plunger 37 abuts against the outer wall of the crankshaft 1 to achieve stable fixing of the crankshaft 1 to the fixing block 31.

[0039] Six fixtures 3 are sequentially positioned on the worktable 2 at stations 41, 42, 43, 44, 45, and 46. Station 41 is the loading / unloading station, used to remove the crankshaft 1 from the fixture 3 or to fix it onto the fixture 3. Station 44 is a reserved station for inspecting the machining progress of the crankshaft 1.

[0040] A power mechanism is connected to the second workstation 42, and a power motor 54 is connected to the power mechanism. The power motor 54 is connected to a milling cutter. The milling cutter is existing technology and is not shown in the figure. The power motor 54 is a servo motor.

[0041] The power mechanism includes a lower fixed base 51, an upper fixed base 52, and a slide 53. The lower fixed base 51 is fixed to the worktable 2 and is horizontally positioned. The upper fixed base 52 is slidably connected to the lower fixed base 51 along its length. The lower fixed base 51 drives the upper fixed base 52 to move via a lower drive assembly 6. The slide 53 is slidably connected to the upper fixed base 52 along its length. The upper fixed base 52 drives the slide 53 to move via an upper drive assembly 7. A power motor 54 is fixed to the slide 53, and the displacement direction of the slide 53 is arranged in a cross shape with the displacement direction of the upper fixed base 52.

[0042] The lower drive assembly 6 includes a lower motor 61, a lower slide rail 62, a lower slider 63, and a lower screw 64. The lower motor 61 and lower slide rail 62 are fixed to the lower fixed base 51, and both are horizontally positioned. The lower motor 61 is a servo motor. The axial direction of the lower screw 64 is parallel to the length direction of the lower slide rail 62 and is threadedly connected to the upper fixed base 52; the lower screw 64 is rotatably connected to the lower fixed base 51.

[0043] The upper fixed seat 52 is slidably connected to the lower slide rail 62 via the lower slider 63, and the lower motor 61 drives the lower screw 64 to rotate.

[0044] The upper drive assembly 7 includes an upper motor 71, an upper slide rail 72, an upper slider 73, and an upper screw 74. The upper motor 71 and the upper slide rail 72 are fixed to the upper fixed base 52, and the upper fixed base 52, the upper motor 71, and the upper slide rail 72 are all horizontally arranged. The axial direction of the upper screw 74 is parallel to the length direction of the upper slide rail 72 and is threadedly connected to the slide block 53. The upper screw 74 is rotatably connected to the upper fixed base 52.

[0045] The upper fixed base 52 is slidably connected to the upper slide rail 72 via the upper slider 73. The upper motor 71 drives the upper screw 74 to rotate. The lower slide rail 62 and the upper slide rail 72 are arranged in a cross shape on the horizontal plane.

[0046] Turn on the lower motor 61 to move the upper fixed seat 52 along the length of the lower slide rail 62, thereby adjusting the milling depth of the milling cutter on the crankshaft 1. Turn on the upper motor 71 to move the slide 53 along the length of the upper slide rail 72, so that the milling cutter can quickly mill the positioning surface 11 on the crankshaft 1.

[0047] The third station 43, the fifth station 45, and the sixth station 46 are all connected to the feed motor 9 via an adjustment mechanism, and the feed motor 9 is connected to a drill bit. The three drill bits drill holes in the crankshaft 1 one by one, thus drilling a deep hole 12 in the crankshaft 1 together.

[0048] The adjustment mechanism includes a stand 80, an angle adjustment assembly 81, a displacement adjustment assembly 84, and a height adjustment assembly 87. The angle adjustment assembly 81 is mounted on the worktable 2. The angle adjustment assembly 81 includes an angle adjustment plate 82, an arc-shaped groove 83, a rotating shaft, and a locking bolt. The angle adjustment plate 82 is horizontally positioned and rotatably connected to the worktable 2 via the rotating shaft. The rotating shaft is fixed to the worktable 2 and rotatably connected to the center of the angle adjustment plate 82. The arc-shaped groove 83 is formed on the angle adjustment plate 82 and is coaxial with the rotating shaft. The locking bolt passes through the arc-shaped groove 83 and fixes the angle adjustment plate 82 to the worktable 2. The displacement adjustment assembly 84 is connected to the angle adjustment plate 82. The locking bolt is a bolt, which is existing technology and is not shown in the figure.

[0049] The displacement adjustment assembly 84 includes a fixed plate 85 and a sliding plate 86. The fixed plate 85 is horizontally positioned and fixed to the side of the angle adjustment plate 82 facing away from the worktable 2, and has a dovetail protrusion. The sliding plate 86 is slidably connected to the fixed plate 85 and fixed to the fixed plate 85 by fastening bolts, and the dovetail groove on the sliding plate 86 is slidably connected to the dovetail protrusion. The upright frame 80 is vertically positioned and fixed to the upper surface of the sliding plate 86. The fastening bolts are bolts, which are prior art and are not shown in the figure.

[0050] The height adjustment assembly 87 includes a vertical plate 88 and a limiting plate 89. The vertical plate 88 is vertically arranged and fixed to the support frame 80. The cross-section of the vertical plate 88 is trapezoidal. The limiting plate 89 is slidably connected to the vertical plate 88 and fixed to the vertical plate 88 by a positioning bolt. The feed motor 9 is fixed to the limiting plate 89. The positioning bolt is a bolt, which is prior art and is not shown in the figure.

[0051] Feed motor 9 is a CNC feed drilling power head.

[0052] Of course, the above are just typical examples of this utility model. In addition, this utility model may have many other specific implementation methods. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection claimed by this utility model.

Claims

1. A six-station special machine for bending crankshafts, characterized in that: The utility model provides a kind of crankshaft milling machine, including workbench (2), the support table (22) is rotatably connected by drive motor (21) to the workbench (2), the support table (22) is distributed along the axial direction and is connected with six clamps (3) for fixing crankshaft (1), six the clamp (3) sequentially corresponds first station (41), second station (42), third station (43), fourth station (44), fifth station (45) and sixth station (46) on workbench (2), the second station (42) is connected with power mechanism, the power mechanism is connected with power motor (54), the power motor (54) is connected with milling cutter, the third station (43), fifth station (45), sixth station (46) are all connected with feed motor (9) by adjusting mechanism, the feed motor (9) is connected with drill bit.

2. The ice-bending crank six-station special machine according to claim 1, characterized in that: The power mechanism includes lower fixed base (51), upper fixed base (52) and sliding seat (53), the lower fixed base (51) is fixed on the workbench (2), the upper fixed base (52) is slidably connected to the lower fixed base (51) along the length direction of the lower fixed base (51), the lower fixed base (51) drives the upper fixed base (52) to move through the lower drive assembly (6), the sliding seat (53) is slidably connected to the upper fixed base (52) along the length direction of the upper fixed base (52), the upper fixed base (52) drives the sliding seat (53) to move through the upper drive assembly (7), the power motor (54) is fixed on the sliding seat (53), and the displacement direction of the sliding seat (53) and the displacement direction of the upper fixed base (52) are crossly arranged.

3. The six-station ice-bending crank special machine according to claim 2, characterized in that: The lower drive assembly (6) includes lower motor (61), lower slide rail (62), lower sliding block (63) and lower screw rod (64), the lower motor (61) and the lower slide rail (62) are fixed on the lower fixed base (51), the axial direction of the lower screw rod (64) is parallel to the length direction of the lower slide rail (62), and the lower screw rod (64) is threadedly connected with the upper fixed base (52), the lower screw rod (64) is rotatably connected to the lower fixed base (51), the upper fixed base (52) is slidably connected to the lower slide rail (62) through the lower sliding block (63), and the lower motor (61) drives the lower screw rod (64) to rotate.

4. The six-station ice-bending crank press according to claim 3, characterized in that: The upper drive assembly (7) includes upper motor (71), upper slide rail (72), upper sliding block (73) and upper screw rod (74), the upper motor (71) and the upper slide rail (72) are fixed on the upper fixed base (52), the axial direction of the upper screw rod (74) is parallel to the length direction of the upper slide rail (72), and the upper screw rod (74) is threadedly connected with the sliding seat (53), the upper screw rod (74) is rotatably connected to the upper fixed base (52), the upper fixed base (52) is slidably connected to the upper slide rail (72) through the upper sliding block (73), the upper motor (71) drives the upper screw rod (74) to rotate, and the lower slide rail (62) and the upper slide rail (72) are crossly arranged.

5. The ice-bending crank six-station special machine according to claim 1 or 4, characterized in that: The adjusting mechanism comprises a stand (80), an angle adjusting assembly (81), a displacement adjusting assembly (84), and a height adjusting assembly (87), the angle adjusting assembly (81) is arranged on the workbench (2), the displacement adjusting assembly (84) is arranged on the angle adjusting assembly (81), the stand (80) is connected with the displacement adjusting assembly (84), and the feeding motor (9) is connected with the stand (80) through the height adjusting assembly (87).

6. The ice-bending crank six-station special machine according to claim 5, characterized in that: The angle adjusting assembly (81) comprises an angle adjusting plate (82), an arc-shaped slot (83), a rotating shaft, and a locking bolt, the angle adjusting plate (82) is horizontally arranged and rotationally connected with the workbench (2) through the rotating shaft, the arc-shaped slot (83) is arranged on the angle adjusting plate (82) and coaxially arranged with the rotating shaft, the locking bolt passes through the arc-shaped slot (83) and fixes the angle adjusting plate (82) on the workbench (2), and the displacement adjusting assembly (84) is connected with the angle adjusting plate (82).

7. The six-station ice-bending crank special machine according to claim 6, characterized in that: The displacement adjusting assembly (84) comprises a fixed plate (85) and a sliding plate (86), the fixed plate (85) is fixed on the side of the angle adjusting plate (82) away from the workbench (2), the sliding plate (86) is slidingly connected with the fixed plate (85) and fixed on the fixed plate (85) through a fastening bolt, and the stand (80) is fixed on the sliding plate (86).

8. The six-station ice-bending crank press of claim 7 wherein: The height adjusting assembly (87) comprises a vertical plate (88) and a limiting plate (89), the vertical plate (88) is fixed on the stand (80) and vertically arranged, the limiting plate (89) is slidingly connected with the vertical plate (88) and fixed on the vertical plate (88) through a positioning bolt, and the feeding motor (9) is fixed on the limiting plate (89).

9. The six-station ice press crank machine of claim 8, wherein: The clamp (3) comprises a fixed block (31), a V-shaped slot (32), a rotary angle oil cylinder (33), and a pressing block (34), the fixed block (31) is fixed on the support table (22), the V-shaped slot (32) is arranged on the side of the fixed block (31) away from the workbench (2) and used for placing the crankshaft (1), the rotary angle oil cylinder (33) is fixed on the fixed block (31), and the rotary angle oil cylinder (33) drives the pressing block (34) to abut against the crankshaft (1) and makes the crankshaft (1) tightly press in the V-shaped slot (32).

10. The six-station ice-bending crank press of claim 9, wherein: The clamp (3) further comprises a thin oil cylinder (35) and a limiting block (36), the thin oil cylinder (35) is fixed on the fixed block (31) and located at the end of the crankshaft (1) away from the positioning surface (11), the limiting block (36) is driven by the thin oil cylinder (35) and makes the limiting block (36) and the fixed block (31) clamp the crankshaft (1), a plunger (37) is threadedly connected on the limiting block (36), and the plunger (37) abuts against the outer wall of the crankshaft (1).

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