Shaft fork four-shaft rotation hydraulic tool

Abstract

The utility model relates to a shaft fork four-shaft rotation hydraulic tool, and belongs to the field of workpiece machining tools. The tool comprises a tool support and is structurally characterized by further comprising a clamping mechanism and a correction mechanism which are installed on the tool support, the correction mechanism comprises a correction seat, a pushing seat, a floating seat, a floating block, a correction block and a correction spring, the correction seat is fixed on the tool support, the pushing seat is installed on the correction seat in a sliding mode, and the floating seat is fixed on the tool support. The floating seat is fixed on the pushing seat, the floating block is installed on the floating seat in a sliding mode, the correction block is fixed on the floating block, the correction spring is installed in the floating seat, and the two ends of the correction spring abut against the pushing seat and the floating block respectively.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of axle fork four-axis rotary hydraulic tool, belong to workpiece machining tool field. BACKGROUND

[0002] Double universal joint transmission shaft generally includes long axle fork, short axle fork and double fork is composed, two ends of double fork are connected with long axle fork, short axle fork by universal shaft, long axle fork, short axle fork is collectively referred to as axle fork 5, axle fork 5 includes shaft body 51, fork body 52, ear hole 53, shoulder 54, fork body 52 is arranged at one end of shaft body 51, shoulder 54 is arranged at the junction of fork body 52 and shaft body 51, ear hole 53 is arranged on fork body 52 for installing universal shaft;In view of this, a kind of machining device of transmission shaft spline axle fork ear hole is disclosed in the patent literature with application No.201621081641.5, when ear hole is machined using the above-mentioned machining device, blank positioning accuracy of ear hole part can exist, leading to inconsistent ear hole machining position, affect product quality. SUMMARY

[0003] The utility model aims at overcoming the above-mentioned insufficient in prior art, and provide a kind of axle fork four-axis rotary hydraulic tool with reasonable structure design.

[0004] The utility model discloses the technical scheme that the above-mentioned problem is solved is as follows: the axle fork four-axis rotary hydraulic tool, including tool support, its structural characteristics are as follows: still include clamping mechanism and correction mechanism installed on tool support, the correction mechanism includes correction seat, pushover seat, floating seat, floating block, correction block and correction spring, the correction seat is fixed on tool support, the pushover seat is slidably installed on correction seat, the floating seat is fixed on pushover seat, the floating block is slidably installed on floating seat, the correction block is fixed on floating block, the correction spring is installed in floating seat, and the both ends of correction spring are respectively with pushover seat and floating block abut.

[0005] Further, the correction mechanism further includes pushover oil cylinder, pushover swing lever, swing lever pivot and pushover swing groove, the cylinder barrel of pushover oil cylinder is installed on tool support, the piston rod of pushover oil cylinder is connected with one end of pushover swing lever, the other end of pushover swing lever is located in pushover swing groove, pushover swing groove is arranged on pushover seat, pushover swing lever is installed on tool support by swing lever pivot.

[0006] Further, V-shaped groove correction groove is arranged on the correction block.

[0007] Furthermore, the clamping mechanism includes a lower clamping seat, an upper clamping seat, a lower clamping block, and an upper clamping block. The lower clamping seat is fixed on the tooling bracket. One end of the upper clamping seat is rotatably connected to the lower clamping seat, and the other end of the upper clamping seat is locked to the lower clamping seat through a locking mechanism. The lower clamping block and the upper clamping block are respectively installed on the lower clamping seat and the upper clamping seat.

[0008] Furthermore, the locking mechanism includes a locking rod, a locking seat, a locking block, and a locking cylinder. The cylinder barrel of the locking cylinder is fixed on a tooling bracket. The piston rod of the locking cylinder is connected to the locking block. The locking block is connected to the locking rod. The locking rod is connected to the locking seat. The locking seat is fixed on the cylinder barrel of the locking cylinder.

[0009] Furthermore, a lever is installed at the other end of the upper clamping seat.

[0010] Furthermore, both the lower clamping block and the upper clamping block are provided with positioning bosses.

[0011] Furthermore, it also includes a lifting mechanism, which cooperates with a clamping mechanism and a correction mechanism. The lifting mechanism includes a lifting frame, a lifting seat, a lifting rod, a lifting block, and a lifting roller. The lifting seat is fixed on the lifting frame, one end of the lifting rod is installed on the lifting seat, the lifting block is installed on the other end of the lifting rod, and the lifting roller is installed on the lifting block.

[0012] Furthermore, the tooling bracket is connected to the rotary cylinder.

[0013] Furthermore, the axle fork can be a long axle fork or a short axle fork.

[0014] Compared with the prior art, this utility model has the following advantages: The four-axis rotary hydraulic tooling of the shaft fork plays an auxiliary positioning role through the V-shaped groove correction groove set on the correction block. The main purpose is to straighten the blanks at the ear holes on both sides of the fork body. The pushing cylinder is used to push to prevent the fork blanks from being over-positioned. The correction block and the floating block are fixed. The floating block can float up and down through the correction spring, thereby ensuring the accurate positioning of the fork body, so as to facilitate the machining of ear holes on the fork body. Attached Figure Description

[0015] Figure 1 This is a cross-sectional structural schematic diagram of the four-axis rotary hydraulic tooling of the shaft fork according to an embodiment of the present utility model.

[0016] Figure 2 yes Figure 1 A magnified structural diagram of part A in the diagram.

[0017] Figure 3 This is a cross-sectional structural schematic diagram of the four-axis rotary hydraulic tooling of the shaft fork according to an embodiment of the present invention.

[0018] Figure 4 is a three-dimensional structure schematic diagram of the axle fork four-axle rotary hydraulic tool of the embodiment of the utility model.

[0019] Figure 5 is a three-dimensional structure schematic diagram of the axle fork four-axle rotary hydraulic tool of the embodiment of the utility model.

[0020] Figure 6 is a three-dimensional structure schematic diagram of the axle fork four-axle rotary hydraulic tool of the embodiment of the utility model.

[0021] Figure 7 is a use state structure schematic diagram of the long axle fork four-axle rotary hydraulic tool of the embodiment of the utility model.

[0022] Figure 8 is a three-dimensional structure schematic diagram of the long axle fork of the embodiment of the utility model.

[0023] Figure 9 is a use state structure schematic diagram of the short axle fork four-axle rotary hydraulic tool of the embodiment of the utility model.

[0024] Figure 10 is a three-dimensional structure schematic diagram of the short axle fork of the embodiment of the utility model.

[0025] In the drawing: tool support 1, clamping mechanism 2, correction mechanism 3, lifting mechanism 4, axle fork 5,

[0026] rotary oil cylinder 11,

[0027] lower clamping seat 21, upper clamping seat 22, lower clamping block 23, upper clamping block 24, locking rod 25, locking seat 26, locking block 27, locking oil cylinder 28, positioning boss 29, pull rod 210,

[0028] correction seat 31, push travel seat 32, floating seat 33, floating block 34, correction block 35, correction spring 36, push travel oil cylinder 37, push travel swing rod 38, swing rod pivot 39, push travel swing groove 310, V-shaped groove correction groove 311,

[0029] lifting frame 41, lifting seat 42, lifting rod 43, lifting block 44, lifting roller 45,

[0030] axle body 51, fork body 52, ear hole 53, shoulder 54. DETAILED DESCRIPTION

[0031] The utility model will be further explained in detail in combination with the drawings and through embodiments, and the following embodiments are the explanation of the utility model, and the utility model is not limited to the following embodiments.

[0032] EMBODIMENT

[0033] Referring to Figures 1 to 10It is to be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are merely used to cooperate with the content disclosed in the present specification, to be understood and read by those skilled in the art, and are not used to limit the implementation of the present application, and therefore do not have substantial technical significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and "one" in the present specification are merely used for clear understanding and description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the scope of the present application.

[0034] The shaft fork four-axis rotary hydraulic tool in the embodiment comprises a tool support 1, a clamping mechanism 2 and a correction mechanism 3 installed on the tool support 1, and the tool support 1 is connected with a rotary oil cylinder 11; a lifting mechanism 4 is further included when a long shaft fork is machined, the lifting mechanism 4 cooperates with the clamping mechanism 2 and the correction mechanism 3, and the lifting mechanism 4 is not required when a short shaft fork is machined, and the lifting mechanism 4 is used to support the shaft fork 5.

[0035] The correction mechanism 3 in the embodiment comprises a correction seat 31, a push-moving seat 32, a floating seat 33, a floating block 34, a correction block 35, a correction spring 36, a push-moving oil cylinder 37, a push-moving swing rod 38, a swing rod pivot 39, and a push-moving swing groove 310, the correction block 35 is provided with a V-shaped groove correction groove 311, the correction seat 31 is fixed on the tool support 1, the push-moving seat 32 is slidingly installed on the correction seat 31, the floating seat 33 is fixed on the push-moving seat 32, the floating block 34 is slidingly installed on the floating seat 33, the correction block 35 is fixed on the floating block 34, the correction spring 36 is installed in the floating seat 33, and the two ends of the correction spring 36 respectively abut against the push-moving seat 32 and the floating block 34.

[0036] The cylinder barrel of the push-moving oil cylinder 37 in the embodiment is installed on the tool support 1, the piston rod of the push-moving oil cylinder 37 is connected with one end of the push-moving swing rod 38, the other end of the push-moving swing rod 38 is located in the push-moving swing groove 310, the push-moving swing groove 310 is arranged on the push-moving seat 32, and the push-moving swing rod 38 is installed on the tool support 1 through the swing rod pivot 39.

[0037] The clamping mechanism 2 in the embodiment comprises a lower clamping seat 21, an upper clamping seat 22, a lower clamping block 23 and an upper clamping block 24. The lower clamping seat 21 is fixed on the tool support 1. One end of the upper clamping seat 22 is rotatably connected with the lower clamping seat 21. The other end of the upper clamping seat 22 is locked with the lower clamping seat 21 through a locking mechanism. The lower clamping block 23 and the upper clamping block 24 are respectively installed on the lower clamping seat 21 and the upper clamping seat 22. Positioning bosses 29 are arranged on the lower clamping block 23 and the upper clamping block 24. The other end of the upper clamping seat 22 is provided with a pull rod 210.

[0038] The locking mechanism in the embodiment comprises a locking rod 25, a locking seat 26, a locking block 27 and a locking oil cylinder 28. The cylinder barrel of the locking oil cylinder 28 is fixed on the tool support 1. The piston rod of the locking oil cylinder 28 is connected with the locking block 27. The locking block 27 is connected with the locking rod 25. The locking rod 25 is connected with the locking seat 26. The locking seat 26 is fixed on the cylinder barrel of the locking oil cylinder 28.

[0039] The lifting mechanism 4 in the embodiment comprises a lifting frame 41, a lifting seat 42, a lifting rod 43, a lifting block 44 and a lifting roller 45. The lifting seat 42 is fixed on the lifting frame 41. One end of the lifting rod 43 is installed on the lifting seat 42. The lifting block 44 is installed on the other end of the lifting rod 43. The lifting roller 45 is installed on the lifting block 44.

[0040] The machining method of the shaft fork four-axis rotary hydraulic tool in the embodiment is as follows: whether to place the lifting mechanism 4 is determined according to the length of the shaft fork 5. If the lifting mechanism 4 needs to be placed, the height of the lifting roller 45 can be adjusted by rotating the lifting rod 43. The corresponding lower clamping block 23, upper clamping block 24 and correction block 35 are selected according to the specifications of the shaft fork 5.

[0041] In the initial state, the correction block 35 is in the most front position. The shaft fork 5 is placed on the lower clamping block 23, so that the positioning boss 29 on the lower clamping block 23 is in contact with the shaft body 51, and the fork body 52 is embedded into the V-shaped groove correction groove 311.

[0042] When the fork body 52 is embedded into the V-shaped groove correction groove 311, the floating block 34 and the correction block 35 can be adjusted on the floating seat 33 according to the height of the fork body 52 through the correction spring 36 arranged, so as to realize the position correction of the shaft fork 5.

[0043] The upper clamping seat 22 is buckled with the lower clamping seat 21. The push-moving swing rod 38 is swung through the push-moving oil cylinder 37. The push-moving seat 32 is pushed to the last position through the push-moving swing rod 38, so that the shoulder 54 is clamped at the end of the lower clamping block 23 and the upper clamping block 24. The upper clamping seat 22 and the lower clamping seat 21 are locked through the locking block 27 controlled by the locking oil cylinder 28, so as to realize the position fixing of the shaft fork 5, and then the ear hole 53 on the shaft fork 5 can be machined.

[0044] It is necessary to explain that "fourth axis" refers to the installation of the tool in the machine tool in addition to the X, Y, Z three-axis fourth axis, that is, through the rotary cylinder 11 drive tool holder 1 along the fourth axis in 0 °-360 ° rotation, when the rotary cylinder 11 drive tool holder 1 rotates 90 ° can be processed on one side of the fork body 52, when the rotary cylinder 11 drive tool holder 1 rotates 270 ° can be processed on the other side of the fork body 52.

[0045] Specifically, according to the different long, short shaft fork 5 shaft body 51 diameter replacement semicircular lower clamping block 23, upper clamping block 24, according to the different size of the shaft fork 5 fork body 52 replacement correction block 35.

[0046] The V-shaped groove correction groove 311 provided on the correction block 35 plays an auxiliary positioning role, the main purpose is to correct the blank of the ear hole 53 part on both sides of the fork body 52, and the fork body 52 blank is prevented from being over-positioned by relying on the push cylinder 37 to push. The correction block 35 is fixed with the floating block 34, and the floating block 34 can be floated up and down by the correction spring 36.

[0047] The long, short shaft fork 5 length direction relies on the positioning boss 29 arranged on the lower clamping block 23 and the upper clamping block 24 for positioning. The positioning boss 29 can make the clamping more stable.

[0048] Before the workpiece is fed, the upper clamping seat 22 is pushed upward, and after the workpiece is put in, the upper clamping seat 22 is closed and locked by the locking mechanism.

[0049] In the machine tool control program, the action of the oil cylinder is set as M code. In programming, the action of the oil cylinder can be accurately realized. First, the push cylinder 37 is executed to push out the correction block 35, correct the correction block 35, and then execute the locking oil cylinder 28. The locking oil cylinder 28 adopts a lever principle to ensure the stability of the workpiece clamping force.

[0050] The lifting mechanism 4 mainly facilitates the feeding and placement of the long shaft fork, and is cancelled when the short shaft fork is not used.

[0051] Process description: Establish a program coordinate system, according to the processing characteristics and functional characteristics of the product, a total of 2 coordinate systems are established, and the center point of the long, short shaft fork 5 is established in the four-axis 90-degree direction. Coordinate system P1, in the four-axis 270-degree direction, also establish a coordinate system P2 with the center point of the long, short shaft fork 5.

[0052] 1, using U drill, in P1 (as the basis, through the rotary cylinder 11 drive tool holder 1 rotation, when P1 is above), the coordinate system drills the ear hole 53, and then the tool holder 1 rotates 180 degrees, in P2 (as the basis, through the rotary cylinder 11 drive tool holder 1 rotation, when P2 is above), the coordinate system drills the ear hole 53. Figure 7 、 9 2, using the same U drill, in P1 (as the basis, through the rotary cylinder 11 drive tool holder 1 rotation, when P1 is above), the coordinate system drills the ear hole 53, and then the tool holder 1 rotates 180 degrees, in P2 (as the basis, through the rotary cylinder 11 drive tool holder 1 rotation, when P2 is above), the coordinate system drills the ear hole 53. Figure 7 、 9As a basis, the tool support 1 is driven to rotate by the rotary oil cylinder 11, and the ear hole 53 is located in the P2 coordinate system when P2 is above.

[0053] 2. The composite cutter is used to locate the rough boring ear hole and the counterbore positioning surface in the P2 coordinate system, and then the tool support 1 is rotated by 180 degrees to locate the rough boring ear hole and the counterbore positioning surface in the P1 coordinate system.

[0054] 3. The three-blade cutting groove piece is used to cut the card spring groove in the P1 coordinate system, and then the tool support 1 is rotated by 180 degrees to cut the card spring groove in the P2 coordinate system.

[0055] 4. The fine boring cutter is used to fine bore the ear hole.

[0056] 5. The 30-degree chamfering cutter is used for chamfering.

[0057] In addition, it should be noted that the specific embodiments described in the specification, the shape of the components, the name taken, etc. can be different, and the above described in the specification is only an example of the structure of the utility model. Any equivalent change or simple change made according to the structure, features and principles described in the utility model patent concept is included in the protection scope of the utility model patent. The skilled in the art of the utility model can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as it does not deviate from the structure of the utility model or exceed the scope defined in the claims, which should belong to the protection scope of the utility model.

Claims

1. A shaft fork four-axis rotary hydraulic tooling comprising a tooling support (1), characterized in that: Also include the clamping mechanism (2) and correction mechanism (3) installed on the tooling support (1), the correction mechanism (3) includes correction seat (31), push seat (32), floating seat (33), floating block (34), correction block (35) and correction spring (36), the correction seat (31) is fixed on the tooling support (1), the push seat (32) is slidingly installed on the correction seat (31), the floating seat (33) is fixed on the push seat (32), the floating block (34) is slidingly installed on the floating seat (33), the correction block (35) is fixed on the floating block (34), the correction spring (36) is installed in the floating seat (33), and the two ends of the correction spring (36) are respectively abutted with the push seat (32) and the floating block (34).

2. The spider four-axis swivelling hydraulic tooling according to claim 1, characterized in that: The correction mechanism (3) further comprises a push cylinder (37), a push swing rod (38), a swing rod pivot (39) and a push swing groove (310), the cylinder of the push cylinder (37) is installed on the tooling support (1), the piston rod of the push cylinder (37) is connected with one end of the push swing rod (38), the other end of the push swing rod (38) is located in the push swing groove (310), the push swing groove (310) is arranged on the push seat (32), and the push swing rod (38) is installed on the tooling support (1) through the swing rod pivot (39).

3. The spider four-axis swivelling hydraulic tooling according to claim 1, characterized in that: The correction block (35) is provided with a V-shaped groove correction groove (311).

4. The spider four-axis swivelling hydraulic tooling of claim 1, wherein: The clamping mechanism (2) comprises a lower clamping seat (21), an upper clamping seat (22), a lower clamping block (23) and an upper clamping block (24), the lower clamping seat (21) is fixed on the tooling support (1), one end of the upper clamping seat (22) is rotatably connected with the lower clamping seat (21), the other end of the upper clamping seat (22) is locked with the lower clamping seat (21) through a locking mechanism, and the lower clamping block (23) and the upper clamping block (24) are installed on the lower clamping seat (21) and the upper clamping seat (22) respectively.

5. The spider four-axis swivelling hydraulic tooling of claim 4, wherein: The locking mechanism comprises a locking rod (25), a locking seat (26), a locking block (27) and a locking cylinder (28), the cylinder of the locking cylinder (28) is fixed on the tooling support (1), the piston rod of the locking cylinder (28) is connected with the locking block (27), the locking block (27) is connected with the locking rod (25), the locking rod (25) is connected with the locking seat (26), and the locking seat (26) is fixed on the cylinder of the locking cylinder (28).

6. The spider four-axis swivelling hydraulic tooling of claim 4, wherein: The other end of the upper clamping seat (22) is provided with a pull rod (210).

7. The spider four-axis swivelling hydraulic tooling of claim 4, wherein: The lower clamping block (23) and the upper clamping block (24) are provided with positioning bosses (29).

8. The spider four-shaft swivelling hydraulic tooling according to claim 1, characterized in that: Also include the lifting mechanism (4), the lifting mechanism (4) cooperate with the clamping mechanism (2) and the correction mechanism (3), the lifting mechanism (4) includes lifting frame (41), lifting seat (42), lifting rod (43), lifting block (44) and lifting roller (45), the lifting seat (42) is fixed on the lifting frame (41), one end of the lifting rod (43) is installed on the lifting seat (42), the lifting block (44) is installed on the other end of the lifting rod (43), the lifting roller (45) is installed on the lifting block (44).

9. The spider four-shaft swivelling hydraulic tooling according to claim 1, characterized in that: The tool support (1) is connected with a rotary oil cylinder (11).

10. The spider four-shaft swivelling hydraulic tooling according to claim 1, characterized in that: The shaft fork (5) is a long shaft fork or a short shaft fork.

Images