CN209919389U

CN209919389U - Shaft trisection milling tool

Info

Publication number: CN209919389U
Application number: CN201920443689.3U
Authority: CN
Inventors: 谢祥; 柳玉春; 龚建峰
Original assignee: Yangzhou Xinheyuan Machinery Co Ltd
Current assignee: Yangzhou Xinheyuan Machinery Co Ltd
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-01-10
Anticipated expiration: 2029-04-03

Abstract

The utility model provides an axle trisection mills processing frock, including closing device and indexing means, and arrange along the horizontal direction and install on the workstation, closing device includes the cylinder, the push rod, the lever and compress tightly the platform, it is equipped with V type groove to compress tightly the bench, be used for placing and wait to process the axle, and its one side establishes the support arm, lever central point is articulated with the support arm, lever one end is used for with wait to process the axle cooperation and press from both sides tightly, the other end is articulated with push rod one end, the push rod other end is connected with the cylinder piston rod, the cylinder is installed on the workstation, and be located and compress tightly platform one side, the vertical upward movement of. The indexing device comprises a servo motor, an indexing head, a chuck, a plurality of clamping jaws and an adjusting support, wherein the output end of the servo motor is connected with the input end of the indexing head, the indexing head is installed on the adjusting support, the output end of the indexing head is connected with the chuck, and the chuck is movably connected with the plurality of clamping jaws. The utility model discloses simple structure, the operation of being convenient for, it is fast to load, has improved machining efficiency and precision.

Description

Shaft trisection milling tool

Technical Field

The utility model relates to a frock clamp technical field especially relates to an axle trisection mills processing frock.

Background

The shaft end face is milled in a trisection mode, and a positioning and clamping mode of a chuck is usually adopted. The inner circle spigot of the large end of the chuck positioning and clamping part can meet the machining requirement theoretically. When a workpiece is arranged on the milling clamp, an operator applies a clamping force on the chuck, downward force is applied in the operation process, and the manual pressure is not constant, so that the problems of workpiece center line jumping, reduced coaxiality and the like easily occur in the machining process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an axle trisection mills processing frock, and simple structure, the work piece clamping of being convenient for improves machining efficiency, simultaneously, guarantees the machining precision requirement.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:

the utility model provides an axle trisection mills processing frock, includes closing device and indexing means, closing device and indexing means are arranged along the horizontal direction and are installed on the workstation, wherein, closing device includes cylinder, push rod, lever and compresses tightly the platform, it is equipped with V type groove on the platform to compress tightly for place and wait to process the axle, just one side of compressing tightly the platform is equipped with the support arm, the central point of lever with the support arm is articulated, the one end of lever is used for with wait to process the axle cooperation and press from both sides tightly, the other end with push rod one end is articulated, the other end of push rod with the piston rod of cylinder is connected, the cylinder is installed on the workstation, and is located compress tightly platform one side, the vertical upward movement of piston rod of cylinder.

The dividing device comprises a servo motor, a dividing head, a chuck, a plurality of clamping jaws and an adjusting support, wherein the adjusting support is fixed on the workbench, the output end of the servo motor is connected with the input end of the dividing head, the dividing head is installed on the adjusting support, the output end of the dividing head is connected with the chuck, and the chuck is movably connected with the plurality of clamping jaws.

The indexing device ensures the positioning reliability of shaft processing and realizes zero positioning at any position; the pressing device further prevents the shaft from shifting after being positioned, wherein the air cylinder is used as a driving force to ensure that the shaft is stressed uniformly; the pressing table is provided with the V-shaped groove to further guarantee the positioning reliability of the shaft, and in a word, the tool is simple in structure, easy to clamp, capable of improving the machining efficiency and capable of guaranteeing the machining precision requirement.

Preferably, the number of the clamping jaws is three, the three clamping jaws are uniformly distributed on the chuck at an angle of 120 degrees between every two clamping jaws, and the three clamping jaws all point to the center direction of the chuck.

Preferably, cushion blocks are symmetrically fixed on the inner wall of the V-shaped groove of the pressing table through a slotted screw.

The cushion reduces the direct wearing and tearing of axle to compressing tightly the platform, and the cushion is detachable fixed simultaneously, is convenient for adapt to the axle processing of different specifications through the cushion of changing different models, guarantees the central height of axle.

Preferably, the cushion block is made of high-strength steel materials. The high-strength steel material has good wear resistance.

The utility model has the advantages that: the utility model has simple structure, convenient operation and fast clamping speed, and improves the processing efficiency and precision; the indexing device ensures the positioning reliability of shaft processing, and the pressing device not only ensures that the position of the pressing device does not deviate in the shaft processing process, but also ensures the uniformity of the stress of the shaft.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the pressing device of the present invention;

FIG. 3 is a schematic structural view of the chuck jaws of the present invention;

in the figure: 1-a compression device; 101-a cylinder; 102-a push rod; 103-a lever; 104-a compacting table; 105-a support arm; 106-cushion block; 107-slotted screws; 2-an indexing device; 201-a servo motor; 202-index head; 203-a chuck; 204-jaw; 205-adjusting the holder.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model provides a shaft trisection milling tool which has simple structure, convenient operation and fast loading speed; the indexing device ensures the reliable positioning of shaft processing, the pressing device not only prevents the shaft from shifting in the shaft processing, but also ensures the uniform stress of the shaft by the cylinder, thereby ensuring the processing precision.

As shown in fig. 1-2, a shaft trisection milling tool includes a pressing device 1 and an indexing device 2, the pressing device 1 and the indexing device 2 are arranged on a workbench in a horizontal direction, wherein the pressing device 1 includes a cylinder 101, a push rod 102, a lever 103 and a pressing table 104, the pressing table 104 is a V-shaped groove for placing a shaft to be processed, a support arm 105 is disposed on a rear side of the pressing table 104, a center point of the lever 103 is hinged to the support arm 105, one end of the lever 103 is used for being matched with a clamp of the shaft to be processed, the other end of the lever is hinged to one end of the push rod 102, the other end of the push rod 102 is connected to a piston rod of the cylinder 101, the cylinder 101 is mounted on the workbench and located on one side of the pressing table 104, and a piston rod of the cylinder 101 moves vertically upward; the indexing device 2 comprises a servo motor 201, an indexing head 202, a chuck 203, jaws 204 and an adjusting support 205, wherein the adjusting support 205 is fixed on a workbench, the output end of the servo motor 201 is connected with the input end of the indexing head 202, the indexing head 202 is installed on the adjusting support 205, the output end of the indexing head 202 is connected with the chuck 203, and the chuck 203 is movably connected with the jaws 204.

The indexing device 2 ensures reliable positioning of shaft machining and realizes zero positioning at any position; the pressing device 1 enables the shaft to be machined to be pressed tightly, meanwhile, the air cylinder 101 guarantees that stress is even for driving force, the pressing table 104 is provided with a v-shaped groove, positioning reliability of the shaft to be machined is further guaranteed, the tool is simple in structure, the pressing speed is high, machining efficiency is improved, and machining precision is guaranteed.

As shown in fig. 3, there are three jaws 204, two of the jaws 204 are uniformly distributed on the chuck 203 at 120 °, and the three jaws 204 point to the center of the chuck 203.

And cushion blocks 106 are symmetrically fixed on the inner wall of the V-shaped groove of the pressing table 104 through slotted screws 107. The cushion block 106 reduces direct abrasion of the shaft to the pressing table 104, and meanwhile, the cushion block 106 is detachably fixed, so that the shaft processing of different specifications can be conveniently adapted by replacing cushion blocks 106 of different types, and the center height of the shaft is ensured.

Preferably, the spacer 106 is made of high-strength steel. The high-strength steel material has good wear resistance.

Furthermore, the utility model provides a servo motor 201 and cylinder 101 all are connected with the control system electricity of milling machine.

Referring to fig. 1-2, the use method of the shaft trisection milling tool is as follows:

firstly, a shaft to be processed is installed on a pressing table 104, then a chuck 203 and a clamping jaw 204 clamp one end of the shaft to be processed to realize arbitrary zero positioning of a workpiece, then a pressing device 1 ensures the clamping of the shaft, then the other end of the shaft is milled by a milling cutter of a milling machine, and the shaft to be processed is always clamped in the milling process. The working principle of the pressing device 1 is that when the air cylinder 101 is in a contraction state, the front end of the lever 103 is lifted; when the cylinder 101 is in an extended state, a piston rod of the cylinder 101 pushes a push rod to drive the rear end of the lever 103 to move upwards, the front end of the lever 103 moves downwards to press a shaft to be machined, and the central point of the lever 103 is the hinged position of the fulcrum and the workpiece support arm 105. The indexing device 2 has the working principle that one end of a shaft to be machined is clamped on the chuck 203 through the clamping jaws 204, after the shaft to be machined is milled for one equal division, the cylinder 101 is controlled to be in a contraction state, then the servo motor 201 is controlled to enable the indexing head 202 to rotate 240 degrees, then the steps are repeated to conduct secondary milling, and the three equal division milling groove machining of the shaft to be machined is completed in sequence, and the machining is finished. The operation of the cylinder 101 and the servo motor 201 is controlled by a control system of the milling machine.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The shaft trisection milling tool is characterized by comprising a pressing device and a dividing device, wherein the pressing device and the dividing device are arranged and installed on a workbench in a horizontal direction, the pressing device comprises a cylinder, a push rod, a lever and a pressing table, a V-shaped groove is formed in the pressing table and used for placing a shaft to be processed, a support arm is arranged on one side of the pressing table, the center point of the lever is hinged to the support arm, one end of the lever is used for being matched and clamped with the shaft to be processed, the other end of the lever is hinged to one end of the push rod, the other end of the push rod is connected with a piston rod of the cylinder, the cylinder is installed on the workbench and located on one side of the pressing table, and the piston rod of the cylinder vertically moves upwards,

2. The shaft trisection milling tool according to claim 1, wherein the number of the clamping jaws is three, every two of the three clamping jaws are uniformly distributed on the chuck at an angle of 120 degrees, and the three clamping jaws all point to the center direction of the chuck.

3. The shaft trisection milling machining tool according to claim 1, wherein cushion blocks are symmetrically fixed to the inner wall of the V-shaped groove of the pressing table through a slotted screw.

4. The shaft trisection milling tooling according to claim 3, wherein the cushion block is made of a high-strength steel material.