CN217452304U

CN217452304U - Milling machine fixture for positioning central line

Info

Publication number: CN217452304U
Application number: CN202220221571.8U
Authority: CN
Inventors: 李治里; 韩洪勇
Original assignee: Chongqing Jiangjin Changfeng Precision Machine Co ltd
Current assignee: Chongqing Jiangjin Changfeng Precision Machine Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-09-20
Anticipated expiration: 2032-01-27

Abstract

The utility model provides a milling machine fixture with a center line positioning function, which belongs to the technical field of milling machine processing fixtures and aims to solve the problem that when a special workpiece with holes or grooves is processed aiming at a standard position at the middle part, the position of the clamping of the processed workpiece on the fixture needs to be measured and adjusted, thereby greatly increasing the processing time and reducing the processing efficiency; the clamping table comprises an installation table, a sliding groove is formed in the installation table, two sliding blocks are arranged in the sliding groove, clamping plates are arranged on the sliding blocks, and a control mechanism for controlling the sliding blocks on the two sides to be close to or far away from each other is arranged in the sliding groove; the second screw rod is arranged in the mounting table in a penetrating mode, the two ends of the second screw rod are in threaded connection with the two movable blocks, the mounting table is provided with a dragging pad, connecting rods are arranged at the front end and the rear end of the dragging pad, one end of each connecting rod is hinged to the tops of the movable blocks, and the other end of each connecting rod is hinged to the side face of the dragging pad.

Description

Milling machine fixture for positioning central line

Technical Field

The utility model belongs to the technical field of milling machine adds clamping apparatus, more specifically says, in particular to milling machine fixture of central line location.

Background

In machining, in order to enable a workpiece to meet the requirements of higher precision and surface quality, finish machining is generally carried out after rough machining and semi-finish machining, and in the existing machining process of mechanical parts, machines such as a lathe, a milling machine, a drilling machine, polishing and the like are generally used for machining the workpiece into various high-precision parts according to the drawing or the sample of a customer;

for some special parts, the middle standard position of the part is provided with some holes or grooves, the holes or grooves are required to be on a fixed horizontal line in the milling machine machining process, and then milling is carried out on one side of the holes or grooves by using a milling cutter, when a general clamp clamps a workpiece, a production worker needs to measure and adjust the clamping position of the workpiece on the clamp, the machining time is greatly increased, the machining efficiency is reduced, and under the condition, the clamp convenient to position needs to be used.

Therefore, in view of the above, the present invention provides a milling machine fixture for centerline positioning, which is improved in view of the existing structure and defects, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a milling machine fixture of central line location to the solution has the special work piece of some holes or recess to add man-hour to the standard position at middle part, need measure and adjust the position of processing work piece centre gripping on anchor clamps, greatly increased process time, reduced machining efficiency's problem.

The utility model relates to a milling machine fixture's of central line location purpose and efficiency are reached by following concrete technical means:

a milling machine fixture with a center line positioning function comprises a clamping table arranged in the middle of a workbench, positioning frames are arranged on two sides of the clamping table, screw rods in threaded connection penetrate through the positioning frames, and corresponding positioning pins are arranged at the ends, close to each other, of the two screw rods;

the clamping table comprises an installation table, a sliding groove is formed in the middle of the installation table along the length direction of the installation table, two sliding blocks are arranged in the sliding groove in a sliding mode, corresponding clamping plates are arranged on the two sliding blocks, and a control mechanism for controlling the sliding blocks on the two sides to be close to or far away from each other is arranged in the sliding groove;

the utility model discloses a portable electronic device, including mount table, connecting rod, the second screw rod is worn to be equipped with in the middle part of perpendicular to spout in the mount table, the second screw rod both ends are extended the mount table and are connected with two movable block screw threads respectively, just the screw thread spiral line on second screw rod both sides is opposite, mount table middle part top is provided with drags the pad, it all is provided with the connecting rod to drag both ends around the pad, connecting rod one end is articulated with corresponding movable block top, the connecting rod other end is articulated with dragging the pad side.

Furthermore, control mechanism is including setting up the installation of spout middle part is detained, the installation is detained the internal rotation and is connected with the first screw rod along spout length direction, the both ends of first screw rod are passed corresponding slider and are connected rather than the screw thread, just first screw rod uses the installation to detain as the boundary line, and the screw thread spiral line on its both sides is opposite.

Furthermore, the installation buckle is detachably connected to the middle of the sliding groove, and a locking ring is arranged between the installation buckle and the first screw rod.

Furthermore, the two ends of the mounting table perpendicular to the length direction of the mounting table are provided with limiting rods, and the limiting rods penetrate through the corresponding movable blocks in a sliding mode.

Furthermore, the bottom of the mounting table is slidably arranged in a groove on the workbench, and a positioning fixture block is arranged at the edge of the mounting table and locked on the workbench through a bolt.

Furthermore, a hand wheel is arranged at the tail of the screw rod.

Furthermore, hexagonal nuts are arranged at two ends of the second screw rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

rotatory lead screw makes the locating pin be close to the work piece, setting through dragging the pad, the work piece is placed after on the mount table, rotatory second screw rod can drive the movable block on both sides and remove, the removal of movable block can drive through the connecting rod and drag the pad and reciprocate, the height of adjustable work piece promptly, utilize the splint to press from both sides the fastening fixed work piece when the locating pin corresponds hole or recess on the work piece, thereby accomplish the adjustment to the work piece position, it is convenient to have brought for the milling process of follow-up work piece, production workman's work load has been reduced, and the machining efficiency is increased.

Drawings

Figure 1 is the utility model discloses a milling machine fixture's of central line location stereogram.

Figure 2 is an exploded view of the center line positioned milling jig of the present invention.

Fig. 3 is an enlarged view of the area a in fig. 2.

Fig. 4 is a schematic structural view of the middle clamping table of the present invention.

Fig. 5 is a side sectional view of the clamping table of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a work table; 2. a positioning frame; 3. positioning pins; 4. a screw rod; 5. a hand wheel; 6. a clamping table; 601. an installation table; 602. a splint; 603. a slider; 604. installing a buckle; 605. a first screw; 606. a locking ring; 607. a second screw; 608. dragging the cushion; 609. a movable block; 610. a connecting rod; 611. a limiting rod; 612. a chute; 613. a hexagonal nut; 614. and positioning the fixture block.

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.

Example (b):

as shown in figures 1 to 5:

the utility model provides a milling machine fixture for positioning a center line, which comprises a clamping table 6 arranged in the middle of a workbench 1, wherein positioning frames 2 are arranged at two sides of the clamping table 6, screw rods 4 in threaded connection are arranged in the positioning frames 2 in a penetrating way, corresponding positioning pins 3 are arranged at the mutual near ends of the two screw rods 4, and the positioning pins 3 can be driven to move in the length direction of the screw rods 4 by rotating the screw rods 4;

the clamping table 6 comprises an installation table 601, a sliding groove 612 is formed in the middle of the installation table 601 along the length direction of the installation table, two sliding blocks 603 are arranged in the sliding groove 612 in a sliding manner, corresponding clamping plates 602 are arranged on the two sliding blocks 603, and the sliding blocks 603 can drive the clamping plates 602 to move in the sliding groove 612;

the sliding chute 612 is internally provided with a control mechanism for controlling the sliding blocks 603 on the two sides to approach or separate from each other, the control mechanism comprises an installation buckle 604 arranged in the middle of the sliding chute 612, the installation buckle 604 is fixed in the middle of the sliding chute 612, a first screw 605 along the length direction of the sliding chute 612 is connected in a rotating manner in the installation buckle 604, the first screw 605 is limited by the installation buckle 604 and can only rotate without moving, the two ends of the first screw 605 penetrate through the corresponding sliding blocks 603 and are in threaded connection with the first screw, the threads of the first screw 605 on the two sides are opposite to each other by taking the installation buckle 604 as a boundary, and the two sliding blocks 603 can be driven to approach or separate from each other by rotating the first screw 605, so that a workpiece can be clamped between the two clamping plates 602;

a second screw 607 penetrates through the middle part, perpendicular to the sliding groove 612, in the mounting table 601, two ends of the second screw 607 extend out of the mounting table 601 to be respectively in threaded connection with the two movable blocks 609, the thread turning lines on two sides of the second screw 607 are opposite, and the movable blocks 609 on two sides can be driven to mutually approach or depart by rotating the second screw 607;

the upper portion of the middle of the mounting table 601 is provided with a dragging pad 608, the front end and the rear end of the dragging pad 608 are provided with connecting rods 610, one end of each connecting rod 610 is hinged to the top of a corresponding movable block 609, the other end of each connecting rod 610 is hinged to the side face of the dragging pad 608, the dragging pads 608 can be lifted through the connecting rods 610 when the movable blocks 609 on the two sides are close to each other, otherwise, the two movable blocks 609 are far away from each other, so that the dragging pads 608 can descend, and the lifted dragging pads 608 can perform accurate height adjustment on workpieces placed on the mounting table 601.

In this embodiment, the mounting buckle 604 is detachably connected to the middle of the sliding groove 612, the locking ring 606 is disposed between the mounting buckle 604 and the first screw 605, the first screw 605 can be replaced after the mounting buckle 604 is taken out from the sliding groove 612, the middle of the first screw 605 is clamped in the locking ring 606, and the middle of the first screw 605 can be clamped by tightening each bolt on the locking ring 606, so that the locking force of the locking ring 606 on the first screw 605 can be adjusted, and the first screw 605 is prevented from slipping and rotating when not manually rotated.

The two ends of the mounting platform 601 perpendicular to the length direction thereof are provided with limiting rods 611, the limiting rods 611 are slidably disposed in the corresponding movable blocks 609, and the limiting rods 611 can guide the movable blocks 609 to move, so that the movable blocks 609 are prevented from rotating along with the second screw 607 and not moving.

The bottom of the mounting table 601 is slidably arranged in a groove on the workbench 1, a positioning fixture block 614 is arranged on the edge of the mounting table 601, the positioning fixture block 614 is locked on the workbench 1 through a bolt, the mounting table 601 can be slid according to the position of a milling cutter suspended in a milling machine, the position of the mounting table 601 is adjusted to enable the mounting table 601 to process a workpiece in the optimal direction, the positioning fixture block 614 can be disassembled and assembled through the bolt, and convenience is brought to the adjustment of the position of the mounting table 601.

Wherein, the tail part of the screw rod 4 is provided with a hand wheel 5, and the hand wheel 5 is arranged so that the user can rotate the screw rod 4 conveniently.

The hexagonal nuts 613 are disposed at two ends of the second screw 607, and the hexagonal nuts 613 are disposed to facilitate the user to rotate the second screw 607, and limit the moving range of the movable block 609, thereby preventing the movable block 609 from separating from the second screw 607.

The specific use mode and function of the embodiment are as follows:

the utility model discloses when using, at first place the work piece on centre gripping platform 6, rotate lead screw 4 on the both sides locating rack 2, make locating pin 3 be close to the work piece, rotate second screw 607 again and adjust the height of dragging pad 608, make hole or recess on the work piece just correspond locating pin 3, rotatory lead screw 4 again makes 3 butts of locating pin in the hole or the recess of work piece, can tentatively fix a position the work piece, it makes two splint 602 be close to each other to rotate first screw 605 again, thereby the clamping workpiece, withdraw from locating pin 3 after the work piece is fixed, later can carry out milling.

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. The utility model provides a milling machine fixture of central line location which characterized in that: the clamping device comprises a clamping table (6) arranged in the middle of a workbench (1), positioning frames (2) are arranged on two sides of the clamping table (6), screw rods (4) in threaded connection penetrate through the positioning frames (2), and corresponding positioning pins (3) are arranged at the mutually close ends of the two screw rods (4);

the clamping table (6) comprises an installation table (601), a sliding groove (612) is formed in the middle of the installation table (601) along the length direction of the installation table, two sliding blocks (603) are arranged in the sliding groove (612) in a sliding mode, corresponding clamping plates (602) are arranged on the two sliding blocks (603), and a control mechanism for controlling the sliding blocks (603) on the two sides to be close to or far away from each other is arranged in the sliding groove (612);

second screw rod (607) are worn to be equipped with in the middle part of perpendicular to spout (612) in mount table (601), second screw rod (607) both ends are extended mount table (601) and are connected with two movable block (609) screw respectively, just the screw thread spiral line on second screw rod (607) both sides is opposite, mount table (601) middle part top is provided with drags pad (608), drag pad (608) front and back both ends and all be provided with connecting rod (610), connecting rod (610) one end is articulated with corresponding movable block (609) top, connecting rod (610) other end with drag pad (608) side articulated.

2. A midline positioning milling jig as set forth in claim 1 wherein: the control mechanism comprises an installation buckle (604) arranged in the middle of the sliding groove (612), a first screw rod (605) arranged along the length direction of the sliding groove (612) is connected in the installation buckle (604) in a rotating mode, two ends of the first screw rod (605) penetrate through corresponding sliding blocks (603) to be in threaded connection with the first screw rod, the first screw rod (605) takes the installation buckle (604) as a dividing line, and thread turning lines on two sides of the first screw rod are opposite.

3. A midline positioning milling jig as set forth in claim 2 wherein: the mounting buckle (604) is detachably connected to the middle of the sliding groove (612), and a locking ring (606) is arranged between the mounting buckle (604) and the first screw (605).

4. A midline positioning milling jig as claimed in claim 1 wherein: limiting rods (611) are arranged at two ends, perpendicular to the length direction, of the mounting table (601), and the limiting rods (611) penetrate through the corresponding movable blocks (609) in a sliding mode.

5. A midline positioning milling jig as set forth in claim 1 wherein: the bottom of the mounting table (601) is arranged in a groove in the workbench (1) in a sliding mode, a positioning clamping block (614) is arranged on the edge of the mounting table (601), and the positioning clamping block (614) is locked on the workbench (1) through bolts.

6. A midline positioning milling jig as set forth in claim 1 wherein: and a hand wheel (5) is arranged at the tail part of the screw rod (4).

7. A midline positioning milling jig as set forth in claim 1 wherein: and hexagonal nuts (613) are arranged at two ends of the second screw (607).