CN218575013U

CN218575013U - Universal shaft drilling and milling tool

Info

Publication number: CN218575013U
Application number: CN202122801413.8U
Authority: CN
Inventors: 丁荣; 秦勇; 姜伟
Original assignee: WUHU SANLIAN FORGING CO Ltd
Current assignee: WUHU SANLIAN FORGING CO Ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2023-03-07
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a drilling and milling tool for universal shafts, which comprises a bottom plate, wherein the bottom plate is connected with a four-axis driving body, the four-axis driving body is connected with a hydraulic clamp device, and the hydraulic clamp device is connected with a shaft workpiece; a fixing device is arranged at a position corresponding to the hydraulic clamp device; the hydraulic clamp device comprises a three-jaw base body and a three-jaw clamping part, wherein one end of the three-jaw base body is connected with the four-axis driving body, the other end of the three-jaw base body is connected with the three-jaw clamping part, and the three-jaw clamping part is connected with the shaft workpiece; the fixing device comprises a thimble, a telescopic cylinder and a first telescopic device, the thimble is connected with the telescopic cylinder, and the bottom of the telescopic cylinder is connected with the first telescopic device; the bottom plate is also provided with a guide rail which is connected with a support frame; the bottom plate is also provided with a slide rail, the position of the slide rail corresponds to the position of the guide rail, and the fixing device is arranged on the slide rail. The utility model discloses simple structure adopts four-axis drive body and three-jaw base member to be connected and drives axle type work piece and carry out all-round rotary motion, realizes that axle type work piece is all-round to mill.

Description

Universal shaft drilling and milling tool

Technical Field

The utility model relates to an axle type part drilling mills technical field, concretely relates to general axle type drilling mills frock.

Background

Shaft parts are widely applied in industrial production, such as transmission shafts of automobiles, lead screws on machine tools, polished rods and the like, which belong to slender shafts. In the shaft milling process, the shaft clamping device is particularly emphasized; so as to prevent the shaft from being damaged and damaged during milling.

A slender shaft part composite machining clamp and a tooling method disclosed by Chinese patent (with the application number of 201910737457.3 and the application publication number of CN 110370050A) are technically characterized in that: the movable V-shaped block is characterized by comprising a base, wherein a movable V-shaped block and a fixed V-shaped block are respectively arranged on the surface of the base, two supporting plates are fixedly arranged on the surface of the base, the movable V-shaped block comprises a V-shaped block and a V-shaped block constraining body, the inclined edge of the concave side in the V-shaped block is provided with a first V-shaped anti-skid surface, the V-shaped block is connected with the V-shaped constraining body through a bolt, the bottom end of the V-shaped constraining body is connected with one of the supporting plates in a surface sliding mode, the fixed V-shaped block comprises a V-shaped block body, the V-shaped block body is provided with a second V-shaped anti-skid surface corresponding to the first V-shaped anti-skid surface, the bottom end of the V-shaped block body is connected with the other supporting plate in a surface sliding mode, and the movable V-shaped block and the fixed V-shaped block are respectively connected with the supporting plates through screws.

The rapid clamping device disclosed by Chinese patent (application number: 201921929233.4, and publication number: CN 211161980U) for plane milling of shaft parts is technically characterized in that: including bottom plate and dividing head and the pneumatic tight mechanism in top of setting on the bottom plate, the dividing head set up the one side at the bottom plate, the tight mechanism in pneumatic top set up the opposite side at the dividing head, pneumatic tight mechanism in top includes cylinder and thimble mechanism, thimble mechanism includes thimble seat and thimble, the thimble seat fix on the bottom plate, the cylinder fix on the thimble seat, the cylinder in be equipped with piston and piston rod, the piston rod with the rear end of thimble links to each other, the piston rod with the thimble can be for the thimble seat do horizontal slip, the front end of thimble with the relative and the central axis of thimble of three-jaw chuck that sets up on the dividing head is on same straight line with the central axis of three-jaw chuck.

The following drawbacks were found with reference to the above patents: a composite machining clamp and a tooling method for slender shaft parts are characterized in that a fixed V-shaped block is adopted to extrude and fix shaft workpieces, the outer diameters of the shaft workpieces are easily crushed due to uneven stress, and the products are difficult to clamp.

The quick clamping device is used for quickly clamping the plane milling of the shaft parts, the shaft parts are placed in the dividing head firstly, the shaft parts are locked and fixed through the three-jaw chuck, and the milling surface is horizontally upward by using the dividing head; after one end of the shaft part is fixed, the ejector pin is pushed by the pneumatic jacking mechanism to abut against the suspended end of the shaft part, when one face of the shaft part is milled and switched to be machined, the ejector pin is controlled by the pneumatic jacking mechanism to retract, the milling face is controlled and switched to be the next index by the index head, and then the ejector pin is pushed by the pneumatic jacking mechanism to abut against the suspended end of the shaft part to complete the milling of the next plane; the dividing head is used for fixing and rotating the shaft, only dividing rotation can be performed, full-rotation angle machining cannot be performed, when the shaft is irregular, the pneumatic jacking mechanism can only move back and forth, up and down adjustment movement cannot be performed, and the application range is small.

SUMMERY OF THE UTILITY MODEL

The utility model discloses provide a simple structure to foretell weak point, change axle type work piece fast and can carry out the general axle type drilling that the full angle milled and mill the frock.

The utility model discloses a realize like this: general axle type drilling mills frock, including the bottom plate, its characterized in that: the bottom plate is connected with a four-axis driving body, the four-axis driving body is connected with a hydraulic clamp device, and the hydraulic clamp device is connected with the shaft workpiece; a fixing device is arranged at a position corresponding to the hydraulic clamp device; the hydraulic fixture device comprises a three-jaw base body and a three-jaw clamping part, wherein one end of the three-jaw base body is connected with the four-axis body, the other end of the three-jaw base body is connected with the three-jaw clamping part, and the three-jaw clamping part is connected with a workpiece; the fixing device comprises a thimble, a telescopic cylinder and a first telescopic device, the thimble is connected with the telescopic cylinder, and the bottom of the telescopic cylinder is connected with the first telescopic device; the bottom plate is also provided with a guide rail, and the guide rail is connected with a support frame; the bottom plate is also provided with a slide rail, the position of the slide rail corresponds to the position of the guide rail, and the fixing device is arranged on the slide rail.

The utility model discloses simple structure can carry out the full angle to the axle type work piece and mill for a speed of changing, improves work efficiency. When the shaft type workpiece clamping device is used, a shaft type workpiece is placed on the three-jaw clamping part, the three-jaw base body clamps the shaft type workpiece, the three-jaw base body is connected with the four-axis driving body and can rotate the shaft type workpiece in a full angle mode, at the moment, a telescopic cylinder in the fixing device is adjusted according to the length of the shaft type workpiece, so that an ejector pin can rapidly enter the aperture of the shaft type workpiece to fix the shaft type workpiece, when the shaft type shape is irregular, the first telescopic device adjusts the height of the telescopic cylinder to precisely align and fix the telescopic cylinder, and when the length of the shaft type workpiece is larger than 8 times of the width of the shaft type workpiece, the support frame is used for supporting so as to prevent the shaft type workpiece from being bent; the support frame is clamped on the guide rail and moves on the guide rail so as to find a supporting place better; the sliding rail arranged at the corresponding position of the guide rail can drive the fixing device to move back and forth so as to prevent the length of the telescopic cylinder from being not long enough when the length of the shaft workpiece is small; after the shaft workpiece is connected with the thimble and the support frame, the four-shaft driving body rotates the shaft workpiece in a full angle until the milling is finished.

Preferably, the supporting frame comprises a connecting block, a second telescopic device and a supporting block; the connecting block is clamped on the guide rail and used for fixing the second telescopic device, and the second telescopic device is connected with the supporting block.

The support frame also comprises a first support frame and a second support frame; the first support frame and the second support frame are equal in size. When the shaft workpieces are irregular, the positions of the first support frame and the second support frame which are separated from each other can be moved through the guide rail so as to better support the shaft workpieces, and when the diameters of the shaft workpieces are different, the heights of the support frames can be adjusted by the first support frame and the second support frame according to the diameters of different positions.

Preferably, the three-jaw clamping portion is arc-shaped. The arc-shaped clamping part can increase the contact area with the shaft workpieces, and the three-jaw clamping part can reduce the reflection of the acting force on the shaft workpieces so as to prevent the surface of the shaft workpieces from being damaged and better clamp and fix the shaft workpieces.

Preferably, the support block is arc-shaped.

And the supporting block is provided with a smooth layer. The supporting shoe adopts the arc can increase the area of contact with axle type work piece, makes better quilt of axle type work piece wrap up, and the landing is difficult easily, sets up the smooth layer on the arc supporting shoe, reduces the friction of supporting shoe and axle type work piece, causes axle type work piece to cause the damage because of the friction.

The utility model has the advantages that: (1) The four-shaft driving body is connected with the three-jaw base body to drive the shaft workpiece to carry out all-dimensional rotation motion, so that time waste is reduced, damage and application range of the shaft workpiece can be reduced through the support frame, and working efficiency is improved.

(2) The three-jaw clamping part and the supporting block are arc-shaped, so that the contact area with the shaft workpiece is increased, the extrusion acting force on the shaft workpiece is reduced, and the damage to the outer diameter surface is reduced; the stability of whole axle type work piece is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of the point a.

Fig. 3 is an enlarged view at B.

The device comprises a base plate 1, a four-axis driving body 2, a 3-axis workpiece, a three-jaw base body 4, a three-jaw clamping part 5, a thimble 6, a telescopic cylinder 7, a first telescopic device 8, a slide rail 9, a guide rail 10, a first support frame 11, a second support frame 12, a connecting block 13, a second telescopic device 14 and a support block 15.

Detailed Description

The present invention will be further summarized below with reference to the accompanying drawings.

The universal shaft drilling and milling tool comprises a bottom plate 1, wherein a four-axis driving body 2 is arranged on the bottom plate 1, the four-axis driving body 2 is connected with a hydraulic clamp device, the hydraulic clamp device comprises a three-jaw base body 4, and the three-jaw base body 4 is connected with a three-jaw clamping part 5; the three-jaw clamping part 5 is arc-shaped, so that the contact surface with the shaft workpiece 3 is increased, the clamping force of the three-jaw clamping part 5 is increased, and the damage to the outer diameter of the shaft workpiece 3 caused by reaction is reduced; a fixing device is arranged at a corresponding position of the hydraulic clamp device and used for further fixing the shaft workpiece 3 so as to prevent the shaft workpiece 3 from being unstably clamped by the three-jaw clamping part 5 when the shaft workpiece 3 is long and from deflecting during milling; the fixing device comprises a thimble 6, the position of the thimble 6 corresponds to that of the three-jaw base body 4, the thimble 6 is connected with a telescopic cylinder 7, and the length of the thimble 6 is adjusted to a certain extent through the telescopic cylinder 7 so as to adapt to the lengths of different shaft workpieces 3; the bottom of the telescopic cylinder 7 is connected with a first telescopic device 8.

Further, the bottom plate 1 is also provided with a slide rail 9, a guide rail 10 is arranged at a position corresponding to the slide rail 9, a support frame is connected to the guide rail 10 and comprises a connecting block 13, a second telescopic device 14 and a supporting block 1515, and the connecting block 13 is clamped on the guide rail 10 and moves forwards and backwards when the connecting block moves upwards; second telescoping device 14 is connected on connecting block 13 upper portion, the height of support frame is adjusted to second telescoping device 14, carry out altitude mixture control to the different diameter standards of same root axle type work piece 3 and support, supporting shoe 1515 is connected on second telescoping device 14 upper portion, supporting shoe 1515 sets up to the arc, supporting shoe 1515 still is provided with smooth layer, can adopt the rubber materials preparation, set the arc, increase the area of contact of axle type work piece 3 and supporting shoe 1515, realize better supporting effect, set up smooth layer and can reduce the friction of supporting shoe 1515 and axle type work piece 3, avoid the surface damage of axle type work piece 3. The support frame still includes first support frame 11 and second support frame 12, adopts 2 support frames to carry out different positions according to anomalous axle type work piece 3 and plays the supporting role, can increase the application scope of whole device, improves the utilization ratio of device.

Claims

1. General axle type drilling mills frock, including bottom plate (1), its characterized in that: the bottom plate (1) is connected with a four-axis driving body (2), the four-axis driving body (2) is connected with a hydraulic clamp device, and the hydraulic clamp device is connected with the shaft workpiece (3); a fixing device is arranged at a position corresponding to the hydraulic clamp device; the hydraulic fixture device comprises a three-jaw base body (4) and a three-jaw clamping part (5), wherein one end of the three-jaw base body (4) is connected with the four-axis driving body (2), the other end of the three-jaw base body is connected with the three-jaw clamping part (5), and the three-jaw clamping part (5) is connected with the shaft workpiece (3); the fixing device comprises a thimble (6), a telescopic cylinder (7) and a first telescopic device (8), the thimble (6) is connected with the telescopic cylinder (7), and the bottom of the telescopic cylinder (7) is connected with the first telescopic device (8); the bottom plate (1) is also provided with a guide rail (10), and the guide rail (10) is connected with a support frame; the bottom plate (1) is further provided with a sliding rail (9), the position of the sliding rail (9) corresponds to the position of the guide rail (10), and the fixing device is arranged on the sliding rail (9).

2. The universal shaft drilling and milling tool of claim 1, characterized in that: the supporting frame comprises a connecting block (13), a second telescopic device (14) and a supporting block (15); the connecting block (13) is clamped on the guide rail (10) to fix the second telescopic device (14), and the second telescopic device (14) is connected with the supporting block (15).

3. The universal shaft drilling and milling tool according to claim 2, characterized in that: the support frame also comprises a first support frame (11) and a second support frame (12); the first support frame (11) and the second support frame (12) are equal in size.

4. The universal shaft drilling and milling tool of claim 1, characterized in that: the three-jaw clamping part (5) is arc-shaped.

5. The universal shaft drilling and milling tool according to claim 2, characterized in that: the supporting block (15) is arc-shaped.

6. The universal shaft drilling and milling tool according to claim 2 or 5, characterized in that: and a smooth layer is arranged on the supporting block (15).