CN219484927U

CN219484927U - Vertical machining center nut seat mills installation face anchor clamps

Info

Publication number: CN219484927U
Application number: CN202320104630.8U
Authority: CN
Inventors: 王俊; 李吉敏; ***; 段海莲
Original assignee: Lufeng Tailian Machinery Manufacturing Co ltd
Current assignee: Lufeng Tailian Machinery Manufacturing Co ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-08-08
Anticipated expiration: 2033-01-31

Abstract

The utility model relates to a clamp for milling a mounting surface of a nut seat of a vertical machining center, which comprises a clamp main body seat, wherein a long positioning strip is arranged on the top surface of the clamp main body seat along the length direction, a positioning reference boss for positioning an opening of a shaft hole is arranged on the top surface of the long positioning strip, a plurality of curved surface jacking blocks capable of jacking the wall of the shaft hole are arranged on one side of the clamp main body seat, the curved surface jacking blocks are arranged on the jacking seat through jacking screws, the jacking seat is arranged on the clamp main body seat, a plurality of pressing plates for pressing notches in the middle of the nut seat are arranged on the clamp main body seat along the length direction, and positioning columns are arranged below the pressing plates along the length direction. The nut seat clamping device has the advantages that one-time clamping processing of a plurality of nut seats is realized, the top surface of an opening of a workpiece is used as a main positioning surface, one side of the opening is used as a side positioning surface, one long end is used as a third positioning surface, the universality of nut seat processing is realized in different processing centers, the processing quality of the process is improved, the positioning accuracy of the next process is ensured, and meanwhile, the processing efficiency can be greatly improved.

Description

Vertical machining center nut seat mills installation face anchor clamps

Technical Field

The utility model relates to the technical field of nut seat machining of vertical machining tools, in particular to a clamp for milling a mounting surface of a nut seat of a vertical machining center.

Background

The nut seat of the vertical machining center is a basic component for realizing the motion of a machining center workbench, after the nut seat of the machining center is cast and formed, the forming machining can be finished after the nut seat is milled and opened and the processes of rough and finish milling the bottom surface, boring, drilling, bench workers and the like are carried out, the process flow of milling the bottom surface is carried out by taking the opening of a first-step shaft hole as a locating surface for clamping, 1. Rough milling the bottom surface (namely a mounting surface), 2. Milling two side surfaces, 3. Hole guiding, 4. Drilling, 5. Hole chamfering, 6. Reverse-drawing countersink and 7. Finish milling the bottom surface; the clamping is mainly carried out in a free clamping mode and is divided into 2 free clamping modes, wherein the first is clamping by a vice; secondly, the universal pressing plate bolts are used for clamping, the conditions of long time consumption and inconvenient use exist, the single clamping processing is mainly used, most parts of the vertical processing table top are idle, the equipment cannot be fully utilized, for example, the equipment is idle when one part is processed in the 1060 vertical processing center at one time, the equipment cannot be fully utilized, the tool setting is tedious, and the tool setting is needed to be carried out again after the new part to be processed is replaced each time; and because the positioning surface is too small (the shaft hole is opened), and the two sides are curved surfaces of the hole walls, the clamping is inconvenient, and the positioning is inaccurate due to personal experience and capability of technical processing staff.

Disclosure of Invention

The utility model provides a clamp for milling a mounting surface of a nut seat of a vertical machining center.

The technical scheme is that the clamp comprises a clamp main body seat which can be arranged on a vertical machining workbench and is used for bearing a nut seat, a long positioning strip is arranged on the top surface of the clamp main body seat along the length direction, a positioning reference boss used for positioning an opening of a shaft hole is arranged on the top surface of the long positioning strip, a plurality of curved surface jacking blocks capable of jacking the wall of the shaft are arranged on one side of the clamp main body seat, the curved surface jacking blocks are arranged on a jacking seat through jacking screws, the jacking seat is arranged on the clamp main body seat, the clamp main body seat further comprises a pressing plate, a plurality of pressing plates for pressing notches in the middle of the nut seat are arranged on the clamp main body seat along the length direction, and a positioning column is arranged below the pressing plate along the length direction.

Further, preferably, the pressing plate comprises a pressing plate I for pressing the middle notch of the single-side nut seat at two sides of the main body seat of the clamp, and a pressing plate II for pressing the middle notch of the nut seat at two sides of the middle part of the main body seat of the clamp.

Further, preferably, a pressing arm is arranged at one end of the pressing plate I, which is close to the clamp main body seat.

Further, preferably, both ends of the pressing plate II are provided with pressing arms.

Further, it is preferable that the pressing plate is mounted on the clamp body base by a pressing bolt.

Further, it is preferable that the long positioning strip is located on the central axis of the clamp body base in the length direction.

The beneficial effects of the utility model are as follows: the nut seat clamping device has the advantages that the nut seats are clamped and machined once, the top surface of the opening of the workpiece is used as a main locating surface, one side of the opening is used as a side locating surface, one long end of the opening is used as a third locating surface, the nut seat clamping device has universality in machining of the nut seats in different machining centers, machining quality of the working procedure is improved, dimensional and behavior tolerance is guaranteed, positioning accuracy of the next working procedure is guaranteed, machining efficiency can be greatly improved, and interchangeable locating strips are designed.

Drawings

Fig. 1 is a schematic perspective view of a clamp for milling a mounting surface of a nut seat, wherein a two-dot chain line is used for drawing the use state of a station for mounting the nut seat, and the nut seat is not mounted at other three stations;

FIG. 2 is a top view of the nut seat milling mounting face fixture of the present utility model with the platen II between the third and fourth stations removed for ease of illustration of the locating posts;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

fig. 4 is a B-B cross-sectional view in fig. 3.

In the figure: the fixture comprises a 10A-nut seat, a 10B-shaft hole opening, a 1-fixture main body seat, a 101-mounting hole I, a 102-mounting hole II, a 2-long positioning strip, a 201-positioning reference boss, a 202-via hole I, a 203-via hole II, a 3-curved surface jacking block, a 4-jacking seat, a 5-jacking screw, a 6-positioning column, a 7-pressing plate, a 701-pressing plate I, a 702-pressing plate II, a 703-pressing arm, an 8-pressing bolt and a 9-supporting column.

Description of the embodiments

In order to make the technical problems and technical schemes solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements 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 utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, the nut seat 10A is widely used in a transmission system of a machine tool such as a milling machine, a planing machine, a machining center, and the like.

As shown in fig. 1 to 4, an example in which an enterprise uses a vertical machining center nut seat milling and mounting surface clamp for 1060-type vertical machining center is shown in this embodiment, and the clamp main body seat 1 can be mounted on a vertical machining center workbench for bearing a nut seat, and the clamp main body seat 1 is made of an HT300 casting material and has good shock resistance. The rib plate of the inner cavity is designed into a frame-shaped rib, the stability is good, phi 50 casting holes are arranged on the periphery of the rib plate, and the rib plate is also a lifting hole.

The clamp comprises a clamp main body seat 1 which can be arranged on a vertical machining workbench and is used for bearing a nut seat, and the clamp main body seat 1 is of a cuboid hollow structure.

As shown in fig. 1, 2 and 4, the top surface of the clamp main body seat 1 is provided with a long positioning strip 2 along the length direction, the long positioning strip 2 is located on the central axis of the clamp main body seat 1 along the length direction, and is fastened with the clamp main body seat 1 through screws by adopting a counter bore design.

The top surface of the long positioning strip 2 is provided with a positioning reference boss 201 for positioning the shaft hole opening 10B, and the top surface of the opening of the workpiece is taken as a main positioning surface, as shown in fig. 4, while the long positioning strip 2 can replace long positioning strips 2 with different sizes according to the specifications of the nut seat 10A, so that a certain range of universality is realized, namely, the positioning strips can be designed into various specifications and cope with different nut seats, and the positions of connecting screws and pin holes are not changed.

If the curved surface kicking block 3 of 4 tight axle pore walls is provided with on one side of anchor clamps main part seat 1, be used for 1060 in this embodiment to stand and add the center, design to 4 station structures, just be covered 1060 and stand and add whole table surface, the curved surface kicking block 3 outside, the side of keeping away from the main shaft body in the processing promptly makes things convenient for the skilled worker to press from both sides the dress.

The curved surface ejector block 3 is installed on the jacking seat 4 through the jacking screw 5, the jacking seat 4 is installed on the clamp main body seat 1, namely, the curved surface ejector block 3 is adjusted to be close to or far away from the nut seat 10A through threaded connection of the jacking screw 5 and the jacking seat 4, so that the jacking block with R is adopted, and the jacking screw is prevented from being directly jacked on the cambered surface of a casting. The head of the jacking screw 5 is of a ball head structure, namely, a ball head bolt (used as a standard part for machine tool clamp parts and components, JB/T8007.1-1995) is arranged at the top end of the jacking screw 5 by welding or threads, a spherical bayonet is formed on the curved surface jacking block 3, and the ball head is forcefully clamped into and embedded into the spherical bayonet; of course, other rotation connection modes can be adopted, such as a design that bearing mounting holes are formed in the curved surface jacking block 3, and after a bearing is mounted, the top ends of jacking screws 5 are inserted into the inner ring of the bearing, and the two are all of equal design; the curved surface jacking block 3 and the jacking screw 5 are connected in a ball stud or other rotatable connection mode, so that the curved surface jacking block 3 is prevented from rotating along with the rotation of the jacking screw 5, and in use, when the jacking screw 5 is adjusted to rotate, a craftsman only needs to hold the curved surface jacking block 3 by hands.

The clamp main body seat 1 is provided with a plurality of pressing plates 7 for pressing the middle notch of the nut seat 10A along the length direction, and the pressing plates 7 comprise pressing plates I701 for pressing the middle notch of the single-side nut seat 10A on two sides of the clamp main body seat 1 and pressing plates II 702 for pressing the middle notch of the nut seat 10A on two sides of the middle part.

Pressing plate I701 is close to anchor clamps main part seat 1 one end and is provided with presses and hold arm 703, and pressing plate II 702 both ends all are provided with presses and hold arm 703, presses and hold arm 703 adoption step-type design, avoid interfering the cutter.

The clamp body seat 1 is provided with a positioning column 6 below the pressing plate 7 in the length direction.

The pressing plates I701 and II 702 are mounted on the clamp main body seat 1 through pressing bolts 8, and the pressing plate I701 for a single side is further provided with a supporting column 9 for maintaining balance and pressing force.

The long positioning strip 2 is also provided with a through hole I202 and a through hole II 203, the compression bolt 8 passes through the through hole I202 and is pressed in the mounting hole I101 of the clamp main body seat 1, and the screw for fastening the long positioning strip 2 passes through the through hole II 203 and is mounted in the mounting hole II 102.

The fixture provided by the utility model uses the open top surface of the workpiece as a main positioning surface, one side of the opening as a side positioning surface and one long end as a third positioning surface, and is matched with another high-efficiency milling open fixture specially used for the nut seat of the vertical machining center and self-developed by enterprises, so that the nut seat 10A can be processed efficiently, normally and uniformly, the process control of the enterprises is perfected, and the high-quality control of precise manufacturing is realized.

While the utility model has been described in detail in connection with specific and preferred embodiments, it will be understood by those skilled in the art that the utility model is not limited to the foregoing embodiments, but is intended to cover modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a vertical machining center nut seat mills installation face anchor clamps, its characterized in that, including can installing in vertical machining work bench anchor clamps main part seat (1) that are used for bearing the nut seat, anchor clamps main part seat (1) top surface is provided with long locating strip (2) along length direction, long locating strip (2) top surface is provided with location benchmark boss (201) that are used for location shaft hole opening (10B), anchor clamps main part seat (1) one side is provided with curved surface kicking block (3) that can jack up the shaft pore wall, curved surface kicking block (3) are installed on jack up tight seat (4) through jack up screw (5), jack up tight seat (4) are installed on anchor clamps main part seat (1), still include clamp plate (7), anchor clamps main part seat (1) are provided with clamp plate (7) of a plurality of pressure holding nut seat (10A) middle part notch along length direction, anchor clamps main part seat (1) are provided with reference column (6) below clamp plate (7) along length direction.

2. A vertical machining center nut seat milling mounting surface fixture according to claim 1, characterized in that the press plate (7) comprises a press plate i (701) for a recess in the middle of the nut seat (10A) on both sides of the fixture body seat (1), and a press plate ii (702) for a recess in the middle of the nut seat (10A) to be pressed and held on both sides of the middle.

3. The clamp for milling and installing the nut seat of the vertical machining center according to claim 2, wherein a pressing arm (703) is arranged at one end of the pressing plate I (701) close to the clamp main body seat (1).

4. A clamp for milling a mounting surface of a nut seat of a vertical machining center according to claim 2 or 3, wherein pressing arms (703) are provided at both ends of the pressing plate ii (702).

5. A vertical machining center nut seat milling mounting surface fixture according to any of claims 1-3, characterized in that the pressure plate (7) is mounted on the fixture body seat (1) by means of a compression bolt (8).

6. A vertical machining center nut seat milling mounting surface fixture according to claim 1, characterized in that the long positioning strip (2) is located on the central axis of the fixture main body seat (1) along the length direction.