Double-linkage-fork four-shaft rotation hydraulic tool

Abstract

The utility model relates to a double-linkage-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 supporting column for supporting the duplex fork, a pressing mechanism for pressing the duplex fork on the supporting column, an inner calibration mechanism and an outer calibration mechanism, wherein the inner calibration mechanism and the outer calibration mechanism are used for calibrating the position of the duplex fork when the duplex fork is placed on the supporting column. The supporting column, the pressing mechanism, the inner calibration mechanism and the outer calibration mechanism are all installed on the tool support, the pressing mechanism is matched with the supporting column, the inner calibration mechanism and the outer calibration mechanism, a supporting sliding groove is formed in the tool support, the supporting column is installed on the supporting sliding groove, the pressing mechanism comprises a pressing oil cylinder and a pressing rod, and the pressing oil cylinder is matched with the pressing rod. A cylinder barrel of the pressing oil cylinder is installed on the tool support, and the pressing rod is installed on a piston rod of the pressing oil cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to a double fork four -axis rotary hydraulic tool belongs to work piece processing frock field. BACKGROUND

[0002] The double fork plays the role of connecting the long shaft fork and the short shaft fork in the universal joint transmission shaft, and the ear hole is processed on the double fork for installing the universal shaft, and since the double fork is irregular in shape, it is difficult to position it when processing it, and therefore, in the patent document with the application number 202221000364.6, a drilling and boring inner hole processing frock is disclosed, and the above-mentioned prior art does not set up a calibration mechanism, so that the position calibration cannot be realized when placing the double fork.

[0003] The middle part of the double fork 6 is the middle ring 61, four ear parts 62 are arranged on both sides of the middle ring 61, and the ear hole 63 needs to be processed on the ear part 62 when the double fork 6 is used, the inside of the double fork 6 is the X-direction inner wall surface 64 and the Y-direction inner wall surface 65, and the X-direction inner wall surface 64 is perpendicular to the Y-direction inner wall surface 65. UTILITY MODEL CONTENTS

[0004] The utility model discloses a double fork four -axis rotary hydraulic tool that structural design is reasonable has been provided to overcome the above -mentioned insufficient of prior art.

[0005] The utility model discloses the technical scheme that the above problem is solved is: this double fork four -axis rotary hydraulic tool, including frock support, its structural characteristics are at: still including the support column that the double fork plays the supporting role, the pressing mechanism for pressing the double fork on the support column, and the inner calibration mechanism and the outer calibration mechanism that play the position calibration role to the double fork when placing the double fork on the support column, the support column, the pressing mechanism, the inner calibration mechanism and the outer calibration mechanism all install on frock support, the pressing mechanism cooperates with the support column, the inner calibration mechanism and the outer calibration mechanism.

[0006] Further, the frock support is provided with a support sliding groove, and the support column is installed on the support sliding groove.

[0007] Further, the pressing mechanism includes a pressing oil cylinder and a pressing rod, the cylinder barrel of the pressing oil cylinder is installed on the frock support, and the pressing rod is installed on the piston rod of the pressing oil cylinder.

[0008] Further, the inner calibration mechanism comprises an inner calibration block, an inner calibration rod, an inner detection hole, an inner calibration seat and an inner calibration spring, the inner detection hole is arranged on the inner calibration block, the inner calibration rod is installed on the upper portion of the inner calibration block, the inner calibration seat is installed on the lower portion of the inner calibration rod, the inner calibration seat is telescopically arranged on the tool support, one end of the inner calibration spring is in abutment with the inner calibration seat, and the other end of the inner calibration spring is in abutment with the calibration support, and the calibration support is installed on the bottom of the tool support.

[0009] Further, the inner calibration block is arranged in a T-shaped structure.

[0010] Further, the upper portion of the inner calibration block is an inner calibration block head portion, the lower portion of the inner calibration block is an inner calibration block main body, the inner calibration rod is installed on the inner calibration block head portion, the inner calibration seat is installed on the inner calibration block main body, and the inner detection hole is arranged on the inner calibration rod.

[0011] Further, the two sides of the inner calibration block head portion are provided with inner calibration inclined surfaces matched with the inner walls of the double fork.

[0012] Further, the outer calibration mechanism comprises an outer calibration seat, an outer calibration spring and an outer calibration groove, the outer calibration groove is arranged on the outer calibration seat, the outer calibration seat is telescopically arranged on the tool support, one end of the outer calibration spring is in abutment with the outer calibration seat, and the other end of the outer calibration spring is in abutment with the calibration support, and the calibration support is installed on the bottom of the tool support.

[0013] Further, the outer calibration groove is arranged in a V-shaped structure.

[0014] Further, the tool support is connected with the rotary oil cylinder.

[0015] Compared with the prior art, the inner calibration inclined surfaces are arranged on the side surfaces of the inner calibration block head portion, the inner calibration inclined surfaces are consistent with the inner draft angle of the double fork, the inner calibration inclined surfaces are in contact with the X-direction inner wall surface, the positioning of the double fork in the X-direction can be realized through the arranged inner calibration block head portion, the positioning of the double fork in the Y-direction can be realized through the end portion of the arranged inner calibration rod and the Y-direction inner wall surface, and then the automatic centering of the double fork is realized.

[0016] The two side ear portions of the double fork are automatically centered and auxiliary positioned through the two outer calibration grooves arranged in a V-shaped structure, the outer calibration grooves are auxiliary positioning, the outer calibration springs below can move the double fork up and down, when the pressing cylinder is pressed, the outer calibration grooves are in contact with the side surfaces of the ear portions, the uniform automatic centering of the side walls of the ear holes is realized, and then the position calibration of the double fork is realized, so that the product machining quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a stereoscopic structure schematic diagram of the double fork four-axis rotary hydraulic tool of the embodiment of the utility model.

[0018] Figure 2 is a stereoscopic structure schematic diagram of the double fork four-axis rotary hydraulic tool of the embodiment of the utility model.

[0019] Figure 3 is Figure 2 A part enlarged structure schematic diagram in.

[0020] Figure 4 is a stereoscopic structure schematic diagram of the double fork of the embodiment of the utility model.

[0021] Figure 5 is a cross section structure schematic diagram of the double fork four-axis rotary hydraulic tool of the embodiment of the utility model.

[0022] Figure 6 is a cross section structure schematic diagram of the double fork four-axis rotary hydraulic tool of the embodiment of the utility model.

[0023] In the drawing: tool support 1, support column 2, press tightly mechanism 3, inner calibration mechanism 4, outer calibration mechanism 5, double fork 6,

[0024] Support sliding groove 11, calibration support 12, rotary oil cylinder 13,

[0025] Press tightly oil cylinder 31, press tightly rod 32,

[0026] Inner calibration block 41, inner calibration rod 42, inner detection hole 43, inner calibration seat 44, inner calibration spring 45, inner calibration block head 46, inner calibration block main body 47, inner calibration inclined surface 48,

[0027] Outer calibration seat 51, outer calibration spring 52, outer calibration groove 53,

[0028] Intermediate ring 61, ear 62, ear hole 63, X direction inner wall surface 64, Y direction inner wall surface 65. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail in combination with the drawings and through the embodiment, the following embodiment is the explanation of the utility model and the utility model is not limited to the following embodiment.

[0030] EMBODIMENT

[0031] Refer to Figures 1 to 6As shown, it is known that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation of the utility model, so they do not have the technical essence, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose of the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0032] The double fork four-axis rotary hydraulic tool in the embodiment comprises a tool support 1, a supporting column 2 supporting a double fork 6, a pressing mechanism 3 for pressing the double fork 6 on the supporting column 2, and an inner calibration mechanism 4 and an outer calibration mechanism 5 for position calibration of the double fork 6 when the double fork 6 is placed on the supporting column 2, wherein the supporting column 2, the pressing mechanism 3, the inner calibration mechanism 4 and the outer calibration mechanism 5 are all installed on the tool support 1, the pressing mechanism 3 cooperates with the supporting column 2, the inner calibration mechanism 4 and the outer calibration mechanism 5, and the tool support 1 is connected with a rotary oil cylinder 13.

[0033] The tool support 1 is provided with a supporting sliding groove 11, the supporting column 2 is installed on the supporting sliding groove 11, the pressing mechanism 3 comprises a pressing oil cylinder 31 and a pressing rod 32, the cylinder barrel of the pressing oil cylinder 31 is installed on the tool support 1, and the pressing rod 32 is installed on the piston rod of the pressing oil cylinder 31.

[0034] The inner calibration mechanism 4 comprises an inner calibration block 41, an inner calibration rod 42, an inner detection hole 43, an inner calibration seat 44 and an inner calibration spring 45, the inner detection hole 43 is arranged on the inner calibration block 41, the inner calibration rod 42 is installed on the upper part of the inner calibration block 41, the inner calibration seat 44 is installed on the lower part of the inner calibration rod 42, the inner calibration seat 44 is telescopically arranged on the tool support 1, one end of the inner calibration spring 45 abuts against the inner calibration seat 44, the other end of the inner calibration spring 45 abuts against a calibration support 12, and the calibration support 12 is installed on the bottom of the tool support 1.

[0035] The inner calibration block 41 in the embodiment is arranged in a T-shaped structure, the upper part of the inner calibration block 41 is an inner calibration block head 46, the lower part of the inner calibration block 41 is an inner calibration block body 47, the inner calibration rod 42 is installed on the inner calibration block head 46, the inner calibration seat 44 is installed on the inner calibration block body 47, the inner detection hole 43 is arranged on the inner calibration rod 42, and the two sides of the inner calibration block head 46 are provided with inner calibration inclined surfaces 48 which are matched with the inner walls of the double fork 6.

[0036] The outer calibration mechanism 5 in the embodiment includes an outer calibration seat 51, an outer calibration spring 52 and an outer calibration groove 53, the outer calibration groove 53 is arranged on the outer calibration seat 51, the outer calibration seat 51 is arranged on the tool support 1 in an extendable manner, one end of the outer calibration spring 52 is in abutment with the outer calibration seat 51, the other end of the outer calibration spring 52 is in abutment with a calibration support 12, the calibration support 12 is installed on the bottom of the tool support 1, and the outer calibration groove 53 is arranged in a V-shaped structure.

[0037] The double fork four-axis rotary hydraulic tool and the machining method in the embodiment are as follows: the position of the supporting column 2 is adjusted according to the size of the middle ring 61.

[0038] In the initial state, the inner calibration seat 44 and the outer calibration seat 51 are respectively popped out under the action of the inner calibration spring 45 and the outer calibration spring 52, the ear part 62 is placed in the outer calibration groove 53, the inner calibration block 41 and the inner calibration rod 42 are placed in the middle ring 61, and at this time, the bottom surface of the middle ring 61 is away from the supporting column 2.

[0039] The pressing rod 32 is controlled to rotate through the pressing cylinder 31, the middle ring 61 is pressed on the supporting column 2 through the pressing rod 32, the top surface of the middle ring 61 is in contact with the pressing rod 32, and the bottom surface of the middle ring 61 is in contact with the supporting column 2, in the process of descending of the pressing cylinder 31, the inner calibration inclined surfaces 48 arranged on the two sides of the inner calibration block 41 are in contact with the X-direction inner wall surface 64, so that the position of the double fork 6 in the X-direction is calibrated, and the two ends of the inner calibration rod 42 are in contact with the Y-direction inner wall surface 65, so that the position of the double fork 6 in the Y-direction is calibrated.

[0040] The ear hole 63 is added to the ear part 62, and after the ear hole 63 is machined, the core rod can be inserted through the ear hole 63 and the inner detection hole 43 to detect the concentricity of the ear hole 63.

[0041] It should be noted that "four axes" refers to the installation of the tooling in the machine tool in addition to the X, Y, Z three axes, that is, the tool holder 1 is driven by the rotary cylinder 13 to rotate along the fourth axis at 0°-360°, when the rotary cylinder 13 drives the tool holder 1 to rotate 90°, the ear 62 on one side can be machined, when the rotary cylinder 13 drives the tool holder 1 to rotate 270°, the ear 62 on the other side can be machined.

[0042] Specifically, three support columns 2 are used to position the center height of the double fork 6, one support column 2 is arranged on one side, and two support columns 2 are arranged on the other side. Different sizes of double forks 6 can be selected and adjusted according to the diameter of the middle ring 61 to realize the change of type. The purpose of selecting three support columns 2 is to consider the over-positioning of the product.

[0043] The two side ears 62 of the double fork 6 are automatically centered and auxiliary positioned by two V-shaped outer calibration grooves 53; the outer calibration grooves 53 are auxiliary positioning, and the outer calibration springs 52 below can make the double fork 6 move up and down. When the pressing cylinder 31 is actuated and pressed, the outer calibration grooves 53 are in contact with the side of the ear 62 to the position, realizing the uniform automatic centering of the two side walls of the ear hole 63.

[0044] The inner calibration inclined surface 48 is arranged on the side of the inner calibration block head 46, which is consistent with the inner side draft angle of the double fork 6, and the inner calibration inclined surface 48 is in contact with the X-direction inner wall surface 64. The positioning of the double fork 6 in the X-direction can be realized by the inner calibration block head 46, and the positioning of the double fork 6 in the Y-direction can be realized by the end of the inner calibration rod 42 and the Y-direction inner wall surface 65, thereby realizing the automatic centering of the double fork 6.

[0045] The hydraulic rotary cylinder, i.e. the pressing cylinder 31, automatically clamps the double fork 6 on the support column 2. In the machine tool control program, the action of the pressing cylinder 31 is set as M code. In programming, the action of the pressing cylinder 31 can be accurately realized, such as loosening for half a second and then clamping again when the pressing cylinder 31 is clamped, so that the double fork 6 can more accurately realize the function of related auxiliary positioning, and ensure that the double fork is clamped in place.

[0046] The double fork four-axis rotary hydraulic tooling can clamp two double forks 6 at a time, and can complete all size machining of the double fork at one time, ensuring the product quality level.

[0047] Process description: Establish the program coordinate system, according to the processing characteristics and functional characteristics of the product, a total of 4 coordinate systems are established, respectively in the four-axis 90-degree direction, the center points of the two double forks are respectively established coordinate system P1, P2, in the four-axis 270-degree direction, the center points of the two double forks are respectively established coordinate system P3, P4.

[0048] 1, using U drill, respectively in P1, P2 (to Figure 1 as the basis, through the rotary oil cylinder 13 drive tool support 1 rotation, when P1, P2 in the upper), the coordinate system under each drill two ear hole 63, and then tool support 1 rotation 180 degrees, in P3, P4 (to Figure 1 as the basis, through the rotary oil cylinder 13 drive tool support 1 rotation, when P3, P4 in the upper), the coordinate system under each drill two ear hole 63.

[0049] 2, using composite tool, in P3, P4 coordinate system, rough boring ear hole 63 and counter sink hole positioning surface, and then tool support 1 rotation 180 degrees, in P1, P2, coordinate system, rough boring ear hole 63 and counter sink hole positioning surface.

[0050] 3, using three blade cutting groove piece, in P1, P2, coordinate system, cutting card spring groove, and then tool support 1 rotation 180 degrees, in P3, P4 coordinate system, cutting card spring groove.

[0051] 4, using precision boring tool precision boring ear hole.

[0052] 5, using 30 degree chamfering tool chamfering.

[0053] After processing the core control point is the concentricity of ear hole 63, the application of special coaxiality core rod detection.

[0054] In addition, it needs to be explained that the specific embodiments described in the specification, the shape of the zero, component, the name taken, etc. can be different, the above described in the specification is only an example of the structure of the utility model for illustration. Any equivalent changes or simple changes made according to the structure, features and principles described in the utility model patent concept, are included in the protection scope of the utility model patent. The person skilled in the art of the utility model can make various modifications or supplements or adopt similar way instead of the specific embodiments described, as long as it does not deviate from the structure of the utility model or beyond the scope defined in the claims, should belong to the protection scope of the utility model.

Claims

1. A duplex fork four-axis rotary hydraulic tooling comprising a tooling support (1), characterized in that: Supporting column (2) which plays a supporting role to the double fork (6), pressing mechanism (3) which is used to press the double fork (6) on the supporting column (2), and inner calibration mechanism (4) and outer calibration mechanism (5) which play a position calibration role to the double fork (6) when the double fork (6) is placed on the supporting column (2), the supporting column (2), the pressing mechanism (3), the inner calibration mechanism (4) and the outer calibration mechanism (5) are all installed on the tool support (1), and the pressing mechanism (3) is matched with the supporting column (2), the inner calibration mechanism (4) and the outer calibration mechanism (5).

2. The duplex fork four-axis rotary hydraulic tooling of claim 1, wherein: The tool support (1) is provided with a supporting sliding groove (11), and the supporting column (2) is installed on the supporting sliding groove (11).

3. The duplex fork four-axis rotary hydraulic tooling of claim 1, wherein: The pressing mechanism (3) comprises a pressing oil cylinder (31) and a pressing rod (32), the cylinder barrel of the pressing oil cylinder (31) is installed on the tool support (1), and the pressing rod (32) is installed on the piston rod of the pressing oil cylinder (31).

4. The duplex fork four-axis rotary hydraulic tooling of claim 1, wherein: The inner calibration mechanism (4) comprises an inner calibration block (41), an inner calibration rod (42), an inner detection hole (43), an inner calibration seat (44) and an inner calibration spring (45), the inner detection hole (43) is arranged on the inner calibration block (41), the inner calibration rod (42) is installed on the upper part of the inner calibration block (41), the inner calibration seat (44) is installed on the lower part of the inner calibration rod (42), the inner calibration seat (44) is telescopically arranged on the tool support (1), one end of the inner calibration spring (45) abuts against the inner calibration seat (44), the other end of the inner calibration spring (45) abuts against the calibration support (12), and the calibration support (12) is installed on the bottom of the tool support (1).

5. The duplex fork four-axis rotary hydraulic tooling of claim 4, wherein: The inner calibration block (41) is arranged in a T-shaped structure.

6. The duplex fork four-axis rotary hydraulic tooling of claim 4, wherein: The upper part of the inner calibration block (41) is an inner calibration block head (46), the lower part of the inner calibration block (41) is an inner calibration block main body (47), the inner calibration rod (42) is installed on the inner calibration block head (46), the inner calibration seat (44) is installed on the inner calibration block main body (47), and the inner detection hole (43) is arranged on the inner calibration rod (42).

7. The duplex fork four-axis rotary hydraulic tooling of claim 6, wherein: The two sides of the inner calibration block head (46) are provided with inner calibration inclined surfaces (48) which are matched with the inner wall of the double fork (6).

8. The duplex fork four-axis rotary hydraulic tooling of claim 1, wherein: The outer calibration mechanism (5) comprises an outer calibration seat (51), an outer calibration spring (52) and an outer calibration groove (53), the outer calibration groove (53) is arranged on the outer calibration seat (51), the outer calibration seat (51) is telescopically arranged on the tool support (1), one end of the outer calibration spring (52) abuts against the outer calibration seat (51), the other end of the outer calibration spring (52) abuts against the calibration support (12), and the calibration support (12) is installed on the bottom of the tool support (1).

9. The duplex fork four-axis rotary hydraulic tooling of claim 8, wherein: The outer calibration groove (53) is arranged in a V-shaped structure.

10. The duplex fork four-axis rotary hydraulic tooling of claim 1, wherein: The tool support (1) is connected with a rotary oil cylinder (13).

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