CN217965967U

CN217965967U - Milling plate groove clamp of vertical milling machine

Info

Publication number: CN217965967U
Application number: CN202222217252.2U
Authority: CN
Inventors: 刘维国; 牟学芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-12-06
Anticipated expiration: 2032-08-22

Abstract

The utility model relates to the technical field of vertical milling machine tool fixtures, and provides a vertical milling machine milling plate groove fixture, which comprises a plate clamping device, wherein the plate clamping device is provided with a workpiece pressing plate and a supporting plate; a first stud through hole is formed in the first end of the workpiece pressing plate, a second stud through hole is formed in the second end of the workpiece pressing plate, and a plurality of third threaded holes are formed in the edge of the supporting plate; the first stud through hole and the second stud through hole are connected with the third threaded hole through bolts, and a fixing point of the first stud through hole, a fixing point of the second stud through hole and a clamping point of the workpiece pressing plate are arranged in a straight line; the utility model is suitable for a press from both sides the milling plate of adorning unidimensional, can process the plate groove of different angles, improve plate processing rigidity, reduction in production cost improves machining efficiency.

Description

Milling plate groove clamp of vertical milling machine

Technical Field

The utility model belongs to the technical field of vertical milling machine frock clamp, particularly, relate to a vertical milling machine mills plate groove anchor clamps.

Background

In real teaching of instructing and the actual production process of mill, during welding process, the groove will be processed to the plate in advance to the welding group, and the plate of different length, width and thickness, the anchor clamps centre gripping point is different. The distance between the clamp point of the clamp and the groove processing point of the milling plate is different, and the rigidity is different. According to the requirements of different milling plate bevel processing, clamping milling plates with different sizes and keeping better processing rigidity under a specific bevel processing angle are difficult points.

When an existing vertical milling machine is used for processing a groove, a plate is usually clamped by using a flat tongs or a machine vice, but the size of the plate which can be clamped by using the flat tongs or the machine vice is limited, and the universality is too weak; meanwhile, under the requirement of a certain groove machining angle, the clamping point of the milling plate is difficult to keep in a proper position, different clamps are needed to clamp and different auxiliary devices are needed to improve the machining rigidity of the milling plate, the production cost is improved, and the production efficiency is reduced.

The existing vertical milling machine milling plate groove clamp brings great inconvenience to practical training teaching and production, and related patent documents solve the problems. For example, chinese patent No. CN214559136U discloses a tool capable of freely adjusting an angle for a milling machine. The device comprises an upper fixing body, a lower fixing body, a pressing plate, a limiting plate, a pin shaft and a bolt assembly; go up the stationary body and be connected through round pin axle rotation with lower stationary body, round pin axle below is equipped with the limiting plate, and the limiting plate passes through bolt assembly to be fixed on last stationary body, waits to process the work piece and locates on the stationary body to compress tightly fixedly through clamp plate and bolt assembly, be equipped with the scale mark on the lower stationary body, go up and be equipped with the scale indicating line on the stationary body.

Above-mentioned anchor clamps can process inclined plane plate groove, have promoted and have milled plate groove machining angle range, have improved production efficiency, have reduced the cost of manufacture, but the width that can process the plate is limited, and the anchor clamps exposed point is far away from the processing groove distance simultaneously, and the influence mills plate machining rigidity, and simultaneously, limiting plate screw rigidity can only mill the plate groove of specific angle, and the commonality is too weak, and the milling machine use receives great restriction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical milling machine mills plate groove anchor clamps can press from both sides the milling plate of adorning different length, width and thickness, and the plate groove that mills of different angles is processed, promotes the rigidity when milling plate man-hour simultaneously.

The embodiment of the utility model discloses a realize through following technical scheme: a vertical milling machine milling plate groove clamp is arranged on a vertical milling machine and comprises an angle adjusting device and a body fixing device; body fixing device is connected its characterized in that with angle adjusting device: the device comprises a plate clamping device, wherein the plate clamping device is provided with a workpiece pressing plate and a supporting plate; a first stud through hole is formed in the first end of the workpiece pressing plate, a second stud through hole is formed in the second end of the workpiece pressing plate, and a plurality of third threaded holes are formed in the edge of the supporting plate;

the first stud through hole and the second stud through hole are connected with the third threaded hole through bolts, and a fixing point of the first stud through hole, a fixing point of the second stud through hole and a clamping point of the workpiece pressing plate are arranged in a same straight line.

Further, the first stud through holes and the second stud through holes are distributed at intervals along the length direction of the workpiece pressing plate.

Furthermore, the supporting plate is provided with a through hole; the angle adjusting device includes: the supporting shaft penetrates through the through hole, the supporting plate rotates by taking the axis of the supporting shaft as a shaft, and the locking device is used for controlling the rotation of the supporting shaft.

Further, locking device includes two at least angle modulation lock nut and two supports, and angle modulation lock nut overlaps respectively and locates the back shaft both ends, and the back shaft both ends are located to the support cover respectively, and the backup pad sets up in the middle part of back shaft, and the side and the angle modulation lock nut laminating of backup pad direction are kept away from to the support.

Furthermore, the top arc of the support is carved with a dividing line, and the adjacent surface of the support plate and the support is carved with an indicating line.

Furthermore, the supporting shaft is fixedly connected with the supporting plate, and the supporting plate and the supporting shaft rotate integrally.

Furthermore, the supporting shaft is movably connected with the supporting plate, and the supporting plate freely rotates around the supporting shaft.

Further, a third threaded hole is formed in one side of the support shaft.

Furthermore, the third screw hole comprises multiunit fourth screw hole, and every group fourth screw hole distributes along the direction of perpendicular to back shaft.

Furthermore, the lower part of the supporting plate is provided with a positioning strip hole and an adjustable height positioning block, the adjustable height positioning block is provided with a stud through hole, and the adjustable height positioning block and the positioning strip hole are connected through a locking stud nut pair.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

1: the plate clamping device is of a novel structure, and can be adjusted to clamp milling plates with different lengths, widths and thicknesses; the angle adjusting device can process milling plate bevels with different angles.

2: the mode that the edges of the supporting plates and the workpiece pressing plates are clamped near the groove of the milling plate is adopted, so that the clamping point of the milling plate is close to the milling stress point, and the rigidity is good.

3: the plate bevels with different sizes and different angles can be clamped and milled by a plurality of tool fixtures, and the process can be finished by reducing the number of the fixture for milling the bevels of the plate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention, in which a vertical milling machine mills a plate groove clamp

Fig. 2 is a left side view of the vertical milling machine milling plate groove clamp in the embodiment of the utility model;

fig. 3 is a schematic view of the working state of the jig for milling the plate groove by the vertical milling machine in the embodiment of the utility model;

FIG. 4 is a partial enlarged view of FIG. 1A;

fig. 5 is a schematic structural view of a jig for milling a plate groove by a vertical milling machine in the embodiment of the utility model;

icon: the method comprises the following steps of 1-a base, 2-a support, 3-a support shaft, 4-an angle adjusting locking nut, 5-a support plate, 6-a workpiece pressing plate, 7-a bolt, 8-a stud through hole, 9-a groove, 10-a processing plate, 11-a third threaded hole, 12-a third threaded hole, 13-an indication line, 14-a through hole, 15-a positioning scale line, 16-a positioning long hole, 17-an adjustable height positioning block, 18-a locking stud nut pair, 81-a first stud through hole and 82-a second stud through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Examples

The plate groove milling fixture for the vertical milling machine comprises a plate clamping device, an angle adjusting device and a body fixing device; the angle adjusting device and the body fixing device can refer to the structure disclosed in the Chinese patent with the publication number of CN214559136U, and comprise an upper fixing body, a lower fixing body, a pressing plate, a limiting plate, a pin shaft and a bolt assembly; the upper fixing body is rotationally connected with the lower fixing body through a pin shaft, a workpiece to be processed is arranged on the upper fixing body and is pressed and fixed through the pressing plate and the bolt assembly, the lower fixing body is provided with scale marks, and the upper fixing body is provided with scale indicating lines.

The utility model provides a vertical milling machine milling plate groove clamp, as shown in figure 1, a plate clamping device comprises a workpiece pressing plate 6 and a supporting plate 5; a first stud through hole 81 is formed in the first end of the workpiece pressing plate 6, a second stud through hole 82 is formed in the second end of the workpiece pressing plate 6, and a plurality of third threaded holes 11 are formed in the edge of the supporting plate 5;

the first stud through hole 81 and the second stud through hole 82 are connected with the third threaded hole 11 through bolts 7, the center of the contact surface of each bolt 7 and the support plate 5 is a fixing point of the stud through hole, and the fixing point of the first stud through hole 81 and the fixing point of the second stud through hole 82 are arranged in a same straight line with the clamping point of the workpiece pressing plate 6, so that the distance between the plate clamping stress point and the groove machining stress point is short.

The workpiece platen 6 includes a stud passing hole 8. For example, the workpiece pressing plate 6 is provided with 6 stud passing holes along the length direction thereof, the 3 stud passing holes at the left end part are first stud passing holes 81, the 3 stud passing holes at the right end part are second stud passing holes 82, and the first stud passing holes 81 and the second stud passing holes 82 are distributed at intervals on two sides of the workpiece pressing plate 6.

The support plate 5 is provided with third threaded holes 11, for example, the third threaded holes 11 are arranged at the edge of the upper part of the support plate 5, a plurality of third threaded holes 11 are arranged, and the third threaded holes 11 are connected with the stud through holes 8 through bolts 7; specifically, the outermost stud through hole of the plate is wider and the innermost stud through hole of the plate is narrower and connected with the bolt 7. The plate is thicker and then reduces the degree of depth of bolt 7 connection in backup pad 5, and the plate is thinner then improves the degree of depth of bolt 7 connection in backup pad 5, and then can press from both sides the processing plate 6 of adorning different width and thickness.

It should be mentioned that, in the present embodiment, the workpiece pressing plate 6 and the bolt 7 are located at the upper edge of the supporting plate 5, and the first stud passing hole 81 and the second stud passing hole 82 are arranged in a straight line with the clamping point of the workpiece pressing plate 6, so that the workpiece clamping point is closer to the stress point of the milling plate to be processed, and the rigidity is better.

The angle adjusting device comprises a locking device and a support shaft 3, and the locking device comprises an angle adjusting locking nut 4 and a support 2. For example, graduation marks are carved on the top arc of the bracket 2, so that the rotating angle of the support shaft 3 can be accurately identified, a through hole is formed in the upper part of the bracket 3, the support shaft 3 and the bracket 2 are in clearance fit, and an enough lubricating oil layer is arranged between matching surfaces; the angle adjusting locking nuts 4 are connected with the supporting shaft 3 through threads at two ends of the supporting shaft 3, and the brackets 2 at two ends are extruded towards two outer side surfaces of the supporting plate 5 by screwing the angle adjusting locking nuts 4 at two ends, so that static friction force is generated to lock the positions of the supporting shaft 3 and the supporting plate 5; the angle adjustment lock nut 4 may be a double nut, for example, a special locknut or a nylon lock nut.

The angle adjusting device is connected with the bracket 2 and the plate clamping device, and the plate clamping device is connected with the angle adjusting device and the processing plate 10, so that the angle adjusting device can adjust the bevel angle of the processing plate 10 through the plate clamping device.

The supporting plate 5 is provided with an indicating line, for example, two ends of the supporting plate 5 are provided with an angle indicating line near the top arc of the bracket 2, and the rotating angle of the supporting plate 5 is displayed by the indicating line and the graduation line of the bracket 2.

The body fixing device comprises a base 1, for example, the base 1 is of a rectangular plate-shaped structure, a support 2 is arranged above the base 1, the support 2 is in contact with the upper surface of the base 1, the base 1 comprises a fixing groove 9 or a fixing screw hole, for example, the two ends of the base are provided with fixing grooves, and the base is connected with a vertical milling machine through bolts; for example, the fixture base 1 is provided with mounting screw holes at both ends thereof, and is connected with the vertical milling machine through fixing pins.

Further, in some embodiments, the support shaft 3 and the support plate 5 may be fixedly or movably connected. For example, for the fixed connection mode, the following structure can be adopted: the supporting shaft 3 is fixedly connected with the supporting plate 5, the supporting shaft 3 is connected with the supporting plate 5 in an interference fit manner, so that the supporting plate 5 can be driven to rotate integrally by adjusting the angle of the supporting shaft 3, the bevel angle of the machined plate 10 is rotated to the optimal position, and then the angle of the supporting shaft 3 in the axial direction is locked by screwing the angle adjusting locking nuts 4 at the two ends, and further the bevel angle of the machined plate 10 is locked; for the movable connection mode, the following structure can be adopted: back shaft 3 and backup pad 5 are swing joint, and back shaft 3 passes through clearance fit with backup pad 5's through-hole 14 and is connected, has sufficient lubricated oil reservoir between the fitting surface for backup pad 5 can need adjustment rotation angle according to plate groove preparation, in some embodiments, can increase support 2 and backup pad 5's contact surface roughness, makes the increase of stiction, and the rotational position of effective control backup pad 5 more, and then the groove angle of locking processing plate 10.

Further, as shown in fig. 3, in some embodiments, a positioning elongated hole 16 and an adjustable height positioning block 17 are disposed at a lower portion of the supporting plate 5, the adjustable height positioning block can move up and down along the positioning elongated hole 16, the adjustable height positioning block 17 is provided with a stud passing hole, the adjustable height positioning block 17 is connected to the positioning elongated hole 16 through a locking stud nut pair 18, so that bottoms of the processing plate members 10 with different heights can be fixed by adjusting the position of the height positioning block 17, and simultaneously, the corresponding sides of the two positioning elongated holes 16 are provided with scale marks, so that the height direction positions of the processing plate members 10 can be accurately adjusted.

Further, as shown in fig. 5, in some embodiments, the third threaded hole 11 is provided with a fourth threaded hole. For example, each set of the fourth threaded holes 12 is distributed along the vertical direction of the support shaft 3, and the fourth threaded holes 12 are connected with the workpiece pressing plate 6 through the bolts 7, so that a plate to be milled with a larger size is fixed between the support plate 5 and the workpiece pressing plate 6.

The specific working process is as follows:

firstly, as shown in fig. 1, the clamp is placed on a vertical milling machine, and is connected with the vertical milling machine by bolts penetrating through grooves 9 at two ends of a base 1, so that the position of the clamp body is locked.

And secondly, as shown in fig. 3, according to the size of the processed plate 10, the processed plate is placed between a supporting plate 5 and a workpiece pressing plate 6, the position of a height-adjustable positioning block 17 is adjusted through a locking stud nut pair 18, so that the height of the processed plate 10 is determined, different stud through holes 8 are selected by screwing bolts 7 to form a group which can be matched with the workpiece pressing plate 6 to spin plates with different lengths, the screwing bolts 7 are matched with the workpiece pressing plate 6 to compress the processed plate 10, and the angle of a supporting shaft 3 is rotated, so that the groove of the plate presents a certain angle.

Thirdly, as shown in fig. 4, the rotation angle of the support shaft 3 is precisely adjusted through the arc scale on the top of the bracket 2 and the indication line on the side surface of the support shaft 3, so that the angle position of the processed groove is accurate; and then screwing the angle adjusting locking nut 4 until the plate 10 to be machined is at a fixed position with accurate machining height and angle, and starting a milling machine to machine the groove of the milling plate.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A vertical milling machine milling plate groove clamp is arranged on a vertical milling machine and comprises an angle adjusting device and a body fixing device; the body fixing device with angle adjusting device connects its characterized in that: the plate clamping device is provided with a workpiece pressing plate (6) and a supporting plate (5); a first stud through hole (81) is formed in the first end of the workpiece pressing plate (6), a second stud through hole (82) is formed in the second end of the workpiece pressing plate (6), and a plurality of third threaded holes (11) are formed in the edge of the supporting plate (5);

the first stud through hole and the second stud through hole are connected with the third threaded hole (11) through bolts (7), and the fixing point of the first stud through hole and the fixing point of the second stud through hole are arranged in a straight line with the clamping point of the workpiece pressing plate (6).

2. A milling plate bevel fixture according to claim 1, characterized in that the first stud passing holes (81) and the second stud passing holes (82) are spaced apart along the length of the work piece platen (6).

3. A vertical milling machine milling plate bevel clamp according to claim 1, characterized in that the support plate (5) is provided with a through hole (14); the angle adjusting device includes: the supporting shaft (3) penetrates through the through hole (14), the supporting plate (5) rotates by taking the axis of the supporting shaft (3) as a shaft, and the locking device is used for controlling the rotation of the supporting shaft (3).

4. The vertical milling machine milling plate bevel clamp as claimed in claim 3, wherein the locking device comprises at least two angle adjusting locking nuts and two brackets, the angle adjusting locking nuts (4) are respectively sleeved at two ends of the supporting shaft (3), the brackets (2) are respectively sleeved at two ends of the supporting shaft (3), the supporting plate (5) is arranged in the middle of the supporting shaft (3), and the side surface of the bracket (2) far away from the direction of the supporting plate (5) is attached to the angle adjusting locking nuts (4).

5. A milling plate bevel clamp of an end mill according to claim 4, characterized in that the top arc of the support (2) is marked with a graduation line and the adjacent surface of the support plate (5) to the support (2) is marked with an indicating line.

6. An end mill milling plate bevel clamp according to claim 4, characterized in that the support shaft (3) and the support plate (5) are fixedly connected such that the support plate (5) and the support shaft (3) rotate integrally.

7. A bevel clamp for milling plates by an end mill according to claim 4 characterized in that the support shaft (3) is movably connected with the support plate (5) so that the support plate (5) is free to rotate around the support shaft (3).

8. A vertical milling machine milling plate bevel clamp according to any of the claims 3 to 7, characterized in that the third threaded hole (11) is provided at one side of the support shaft (3).

9. A milling plate bevel clamp according to claim 8, characterized in that the third threaded holes (11) consist of a plurality of groups of fourth threaded holes, each group of the fourth threaded holes (12) being distributed in a direction perpendicular to the support shaft (3).

10. A vertical milling machine milling plate bevel clamp as claimed in claim 1, wherein the lower part of the supporting plate (5) is provided with a positioning strip hole (16) and an adjustable height positioning block (17), the adjustable height positioning block (17) is provided with a stud passing hole, and the adjustable height positioning block (17) and the positioning strip hole (16) are connected through a locking stud nut pair.