CN214350959U

CN214350959U - Clamp for milling

Info

Publication number: CN214350959U
Application number: CN202022974829.5U
Authority: CN
Inventors: 王从军; 姜河
Original assignee: Strong H Machinery Technology Co ltd
Current assignee: Strong H Machinery Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-10-08
Anticipated expiration: 2030-12-08

Abstract

A jig for milling machining includes: the clamp comprises a clamp base, a positioning pin and a clamping device. The positioning pin comprises a positioning pin cylinder and a positioning pin conical head, and the positioning pin conical head is used for placing and positioning the lath parts in the process of being placed into the milling processing table. The clamping device is used for clamping and fixing the lath parts in the milling operation. The locating pin conical head is the toper structure, and lath class part can be at first with the contact of locating pin conical head when putting into milling process bench, and lath class part descends and carries on spacingly, direction by the locating pin conical head under self action of gravity to can stably fall into milling process operation and do on the position of injecing. The locating pin cylinder can adopt the cylinder structure, or the main part of other shapes, and the main function of locating pin cylinder is to placing lath class part on the milling processing platform and carry out spacing and location to avoid lath class part to take place the skew when carrying out the milling processing operation.

Description

Clamp for milling

Technical Field

The utility model relates to a parts machining auxiliary fixtures technical field, more specifically says, in particular to anchor clamps for milling process.

Background

For lath parts, especially for metal lath parts, it is usually necessary to mill the surface of the lath part to improve the flatness and cleanliness of the surface.

In the prior art, a milling fixture is generally used when a lath part is milled, and the lath part is fixed by the most widely used milling fixture in a mode of positioning and fixing in two holes and one surface. For the positioning and fixing modes, manual feeding is adopted, hole aligning and surface fixing operations are performed by feeding operators, and after the lath parts are positioned, the lath parts are clamped and fixed by using a clamp. After the milling of the plate strip parts is finished, the parts are manually taken down by a loading operator, and then the next group of plate strip parts needing milling is installed, so that the operation is circulated.

Above-mentioned traditional manual material loading, unloading mode have not only wasted a large amount of manpower resources, and it still has material loading, unloading efficiency lower, and part positioning accuracy is relatively poor problem.

SUMMERY OF THE UTILITY MODEL

Problem (A)

In summary, how to provide a milling fixture capable of automatically positioning and clamping lath parts becomes a problem to be solved by those skilled in the art.

(II) technical scheme

The utility model provides an anchor clamps for milling process for to lath class part in milling process operation step up fixedly.

The utility model provides an among the anchor clamps for milling, this anchor clamps for milling include:

the fixture comprises a fixture base, wherein a milling processing table for placing lath parts is arranged on the fixture base;

the positioning pin comprises a positioning pin cylinder vertically arranged on the milling processing table and a positioning pin conical head arranged at the top of the positioning pin cylinder, the positioning pin conical head is of a conical structure and used for placing and positioning a lath part in the milling processing table, the positioning pin cylinder is used for milling and positioning the lath part after being placed on the milling processing table, and the plurality of positioning pins are arranged on the milling processing table according to the outline shape of the lath part;

the clamping device is arranged on one side of the milling platform and comprises a controllable telescopic clamping shaft, a clamping pressure plate is fixed on the clamping shaft and can move up and down along with the clamping shaft, and the clamping pressure plate is used for clamping and fixing the lath parts during milling operation.

Preferably, in the clamp for milling provided by the utility model, still include: the elastic lateral positioning column is elastically arranged on the milling machining table and used for providing horizontal elastic acting force for the lath parts placed on the milling machining table; the elastic lateral positioning columns are provided with a plurality of elastic lateral positioning columns and are arranged on the milling machining table according to the outline shape of the lath type part.

Preferably, in the clamp for milling provided by the utility model, still include: the jacking pins can be arranged on the milling platform in a vertically lifting mode, at least three jacking pins are arranged, all the jacking pins can abut against the side face of the lath part, and lifting acting force is provided for the lath part after milling operation is finished.

Preferably, in the clamp for milling provided by the utility model, still include: the fixture comprises a fixture body, wherein the fixture body is arranged on the fixture base and positioned on one side of the milling machining table, and the clamping device is arranged on the fixture body.

Preferably, in the utility model provides an in the anchor clamps for milling, clamping device is hydraulic cylinder, in be provided with first hydraulic pressure oil circuit in the anchor clamps body, first hydraulic pressure oil circuit with clamping device connects, is used for to clamping device provides hydraulic oil.

Preferably, in the fixture for milling provided by the utility model, in milling is provided with elevating gear in the platform, elevating gear with jack-up round pin power is connected, is used for the drive the jack-up round pin carries out elevating movement.

Preferably, in the utility model provides an among the anchor clamps for milling, elevating gear is hydraulic cylinder, in be provided with second hydraulic pressure oil circuit in the anchor clamps body, second hydraulic pressure oil circuit with elevating gear connects, is used for to elevating gear provides hydraulic oil.

Preferably, in the fixture for milling provided by the utility model, in be provided with a plurality of milling platform on the anchor clamps base, adjacent two have an installation clearance between the milling platform, the anchor clamps body set up in the installation clearance.

Preferably, in the clamp for milling provided by the utility model, still include: and the broken cutter detection instrument is arranged on the clamp base and is used for detecting the complete state of the milling cutter for milling operation.

(III) advantageous effects

The utility model provides an anchor clamps for milling process for to lath class part in milling process operation step up fixedly. The method comprises the following steps: the clamp comprises a clamp base, a positioning pin and a clamping device. The locating pin comprises a locating pin cylinder vertically arranged on the milling processing table and a locating pin conical head arranged at the top of the locating pin cylinder, the locating pin conical head is of a conical structure and used for placing and locating lath parts in the milling processing table, the locating pin cylinder is used for milling and locating the lath parts placed on the milling processing table, and the locating pin is provided with a plurality of locating pins and is arranged on the milling processing table according to the outline shapes of the lath parts. The clamping device is arranged on one side of the milling platform and used for clamping and fixing the lath parts during milling operation. The utility model discloses in, the locating pin conical head is the toper structure, and lath class part can at first contact with the locating pin conical head when putting into milling process bench, and lath class part descends and carries on spacingly, direction by the locating pin conical head under self action of gravity to can stably fall into on milling process operation does the position of injecing. The locating pin cylinder can adopt the cylinder structure, or the main part of other shapes, and the main function of locating pin cylinder is to placing lath class part on the milling processing platform and carry out spacing and location to avoid lath class part to take place the skew when carrying out the milling processing operation.

Drawings

Fig. 1 is a schematic structural view of a milling fixture in an embodiment of the present invention.

In fig. 1, the correspondence between the component names and the reference numbers is:

a lath-like part a;

the clamp comprises a clamp base 1, a positioning pin 2, a clamping device 3, an elastic lateral positioning column 4, a jacking pin 5, a clamp body 6, a broken cutter detection instrument 7 and a clamping pressing plate 8.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a milling fixture according to an embodiment of the present invention.

The utility model provides an anchor clamps for milling process for it is fixed to step up lath class part an in the milling process operation, and, still have lath class part an's automatic positioning and self-holding function.

In an embodiment of the present invention, the jig for milling includes a jig base 1, a positioning pin 2, and a clamping device 3.

Anchor clamps base 1 is the utility model discloses well milling process is with the major structure of anchor clamps, in order to improve its overall structure intensity, anchor clamps base 1 preferentially adopts metal material to make, for example stainless steel or aluminium alloy. The clamp base 1 can be designed by adopting an integrally formed structure according to the designed shape. The fixture base 1 is provided with a milling processing table for placing the lath parts a, the lath parts a need to be stably placed on the milling processing table during milling processing operation, and the milling processing table can be integrally formed on the fixture base 1 and can also be fixedly arranged on the fixture base 1 through bolts. The milling table is preferably made of a metallic material, for example stainless steel or aluminium profile.

The locating pin 2 is the utility model discloses in realize the essential element of lath class part a location. Specifically, the positioning pin 2 includes a positioning pin cylinder vertically disposed on the milling table and a positioning pin conical head disposed at the top of the positioning pin cylinder.

The locating pin conical head is fixedly arranged on the locating pin cylinder, and the locating pin conical head can be integrally formed with the locating pin cylinder and can also adopt a split type structural design with the locating pin cylinder. When the positioning pin conical head and the positioning pin cylinder are designed in a split structure, the positioning pin conical head and the positioning pin cylinder are fixedly connected in a threaded connection mode.

The positioning pin conical head is used for placing and positioning the lath type part a in the process of being placed in the milling machining table, the positioning pin cylinder is used for milling and positioning the lath type part a after being placed in the milling machining table, and the plurality of positioning pins 2 are arranged on the milling machining table according to the outline shape of the lath type part a.

Specifically, the locating pin conical head is of a conical structure, when the lath part a is placed on the milling platform, the lath part a can be firstly contacted with the locating pin conical head, and the lath part a descends under the action of self gravity and is limited and guided by the locating pin conical head, so that the lath part a can stably fall into a position limited by milling operation. The locating pin cylinder can adopt the cylinder structure, or the main part of other shapes, and the main function of locating pin cylinder is to placing lath class part a on the milling platform spacing and location to avoid lath class part a to take place the skew when carrying out the milling operation.

The clamping device 3 is a device for clamping and fixing the lath-like part a which is already placed on the milling table. Specifically, the clamping device 3 is fixedly arranged on one side of the milling platform, the clamping device 3 comprises a controllable telescopic clamping shaft, a clamping pressure plate 8 is fixed on the clamping shaft, the clamping pressure plate 8 can do lifting motion along with the clamping shaft, and the clamping pressure plate 8 is used for clamping and fixing the lath part a during milling operation. In the present invention, the clamping pressure plate 8 is made of an elastic material having a certain strength, such as a thin plate structure made of spring steel or a plate structure made of modified plastic.

In order to further improve the stability that lath class part a was placed on the milling process bench, the utility model discloses elasticity side direction reference column 4 has still been set up, and elasticity side direction reference column 4 elasticity sets up on the milling process bench for to placing lath class part a on the milling process bench and provide horizontally elastic force, elasticity side direction reference column 4 is provided with a plurality ofly and arranges on the milling process bench according to lath class part a's profile shape.

The elastic lateral positioning column 4 is made of rubber materials, or the elastic lateral positioning column 4 is designed in a metal spring structure. The elastic lateral positioning column 4 is fixedly arranged on the milling table, when the elastic lateral positioning column is in contact with the outer edge of the lath part a, a horizontal elastic acting force can be provided for the lath part a, and the elastic lateral positioning column 4 is arranged on the milling table according to the outline shape of the lath part a, so that the elastic lateral positioning column 4 can form a surrounding structure for the lath part a, and the elastic acting force applied by the elastic lateral positioning column 4 can further improve the placing stability of the lath part a on the milling table.

Due to the shape limitation of the strip-like part a, after the strip-like part a is placed on the milling table, the bottom surface of the strip-like part a is basically in complete contact with the top surface of the milling table, so that the strip-like part a is very difficult to remove from the milling table after the milling operation of the strip-like part a is finished. In order to solve the problem, the utility model also provides a jack-up round pin 5, but jack-up round pin 5 oscilaltion set up in milling process bench, and jack-up round pin 5 is provided with at least threely, and whole jack-up round pin 5 can offset with lath class part a's side for lath class part a after finishing milling process provides the lifting force. After the milling of the lath-shaped part a is finished, the lath-shaped part a can be jacked up by the jacking pin 5 to be separated from the milling table, so that a worker or a mechanical hand can conveniently take the lath-shaped part a off the milling table.

Known from the above, clamping device 3 sets up at anchor clamps base 1 and is located one side of milling process platform, for the installation of clamping device 3, the utility model discloses still set up anchor clamps body 6, anchor clamps body 6 sets up on anchor clamps base 1 and is located one side of milling process platform, and clamping device 3 sets up on anchor clamps body 6. The clamp body 6 is made of the same material as the clamp base 1, the clamp body 6 is preferably designed to be in a split structure with the clamp base 1, and particularly, the clamp body 6 is fixedly arranged on the clamp base 1 through bolts, so that the clamping device 3 is convenient to install.

Furthermore, the clamping device 3 is a hydraulic oil cylinder, a first hydraulic oil path is arranged in the clamp body 6, the first hydraulic oil path is connected with the clamping device 3 and used for providing hydraulic oil for the clamping device 3, and the extension and retraction of a clamping shaft on the clamping device 3 can be realized through the control of an electromagnetic valve on the oil path.

As another embodiment of the utility model, clamping device 3 can also adopt linear electric motor, and linear electric motor's motor shaft also has scalable function, and consequently, clamping device 3 adopts linear electric motor structural design, will press from both sides clamp plate 8 and set up also can carry out elevating movement on linear electric motor's motor shaft, accomplishes the clamp to lath class part a tightly.

The setting of jack-up round pin 5 is milling the processing bench and can carry out elevating movement, consequently, the utility model discloses be provided with elevating gear in milling the processing bench, elevating gear is connected with jack-up round pin 5 power for drive jack-up round pin 5 carries out elevating movement.

Specifically, the lifting device is a hydraulic oil cylinder, a second hydraulic oil path is arranged in the clamp body 6, and the second hydraulic oil path is connected with the lifting device and used for providing hydraulic oil for the lifting device. The lifting shaft on the lifting device (the lifting device is a hydraulic oil cylinder, the lifting shaft is a cylinder shaft of the hydraulic oil cylinder, and the cylinder shaft can perform lifting action) can extend and retract by controlling the oil way through the electromagnetic valve.

Of course, the lifting device can also be designed by adopting a linear motor structure.

In order to improve milling process efficiency, the utility model discloses be provided with a plurality of milling process platforms on anchor clamps base 1, the whole milling process platforms that set up on anchor clamps base 1 adopt the matrix array to carry out the overall arrangement, have installation clearance between two adjacent milling process platforms, and the anchor clamps body 6 sets up in installation clearance.

As a preferred embodiment of the utility model, the utility model discloses still provide disconnected sword detecting instrument 7, disconnected sword detecting instrument 7 sets up on anchor clamps base 1 for detect milling process milling cutter's for the complete state.

The utility model provides an anchor clamps for milling is one kind to lath class part a appearance, can realize carrying out accurate self-align hydraulic pressure automatic clamp to adding in addition. Through the specially-made locating pin 2 (the head of the locating pin is a locating pin conical head), the locating pin conical head can realize the quick pre-positioning of the lath part a. A hydraulic oil circuit is arranged in the clamp body 6, the lath part a is automatically clamped through the cooperation of an electromagnetic valve and a hydraulic system, and the periphery of the lath part a is automatically and accurately positioned by utilizing the elastic lateral positioning column 4 and the cylindrical pin part at the lower part of the special positioning pin 2 in the clamping process. After the parts are machined, the clamping pressing plate 8 automatically loosens and resets, and the jacking pin 5 realizes the automatic jacking of the lath parts a. The utility model discloses still be equipped with disconnected sword automatic checkout instrument, eliminate the unusual problem that the cutter damage caused in the processing. The utility model discloses still be provided with quick change locating pin 2 and can realize the processing of the different specification and dimension products of quick change adaptation of anchor clamps through changing not unidimensional locating piece. The fixture can realize quick, accurate and automatic positioning of the lath part a, and can realize unmanned machining of products by matching with a manipulator. The utility model discloses can carry out automatic positioning to the clamp of lath class part a, adopt hydraulic pressure to press from both sides tightly, it presss from both sides tightly firm, the reliability is higher. The utility model discloses in the use, lath class part a mills the processing and finishes back loosening and presss from both sides 8 manual works or adopt the manipulator to take off lath class part a, installs a set of lath class part an down again, so circulation processing.

Verify through practical application, the utility model discloses it uses to combine automatic unloading mechanism (manipulator) through improving, improves the production mode of two machines of alone management of current situation for the unmanned production of course of working, the utility model discloses convenient to use is reliable, uses back machining efficiency to promote 10%, and the influence quality that the part processing procedure has not had artificial factor is more stable. Compared with the original processing mode, 1.5 persons/month can be saved, and the annual direct income is about 10 ten thousand yuan.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A jig for milling for fastening a lath-like member (a) in a milling operation, comprising:

the fixture comprises a fixture base (1), wherein a milling processing table for placing lath parts is arranged on the fixture base;

the positioning pin (2) comprises a positioning pin cylinder vertically arranged on the milling processing table and a positioning pin conical head arranged at the top of the positioning pin cylinder, the positioning pin conical head is of a conical structure and used for placing and positioning lath parts in the milling processing table, the positioning pin cylinder is used for milling and positioning the lath parts after being placed on the milling processing table, and the plurality of positioning pins are arranged on the milling processing table according to the outline shapes of the lath parts;

the clamping device (3) is arranged on one side of the milling platform and comprises a controllable telescopic clamping shaft, a clamping pressure plate (8) is fixed on the clamping shaft and can move up and down along with the clamping shaft, and the clamping pressure plate is used for clamping and fixing the lath parts during milling operation.

2. The jig for milling according to claim 1, characterized by further comprising:

the elastic lateral positioning column (4) is elastically arranged on the milling machining table and is used for providing horizontal elastic acting force for the lath parts placed on the milling machining table;

the elastic lateral positioning columns are provided with a plurality of elastic lateral positioning columns and are arranged on the milling machining table according to the outline shape of the lath type part.

3. The jig for milling according to claim 1, characterized by further comprising:

and the jacking pins (5) are arranged on the milling platform in a vertically lifting manner and are at least three, and all the jacking pins can abut against the side surfaces of the lath parts and are used for providing lifting acting force for the lath parts after the milling operation is finished.

4. The jig for milling according to claim 3, characterized by further comprising:

the fixture comprises a fixture body (6), the fixture body is arranged on the fixture base and located on one side of the milling machining table, and the clamping device is arranged on the fixture body.

5. The jig for milling according to claim 4, characterized in that,

the clamping device is a hydraulic oil cylinder, a first hydraulic oil way is arranged in the clamp body, and the first hydraulic oil way is connected with the clamping device and used for providing hydraulic oil for the clamping device.

6. The jig for milling according to claim 4, characterized in that,

and a lifting device is arranged in the milling processing table, and the lifting device is in power connection with the jacking pin and is used for driving the jacking pin to perform lifting motion.

7. The jig for milling according to claim 6, characterized in that,

the lifting device is a hydraulic oil cylinder, a second hydraulic oil way is arranged in the clamp body, and the second hydraulic oil way is connected with the lifting device and used for providing hydraulic oil for the lifting device.

8. The jig for milling according to claim 4, characterized in that,

the fixture comprises a fixture base, wherein a plurality of milling processing tables are arranged on the fixture base, an installation gap is formed between every two adjacent milling processing tables, and the fixture body is arranged in the installation gap.

9. The jig for milling according to any one of claims 1 to 8, characterized by further comprising:

and the broken cutter detection instrument (7) is arranged on the clamp base and is used for detecting the complete state of the milling cutter for milling operation.