CN221791844U - Workpiece clamping and fixing assembly of numerical control milling machine - Google Patents

Abstract

The utility model relates to the technical field of numerically controlled milling machines, in particular to a workpiece clamping assembly of a numerically controlled milling machine. Its technical scheme is including clamping solid frame body, planking, fixed plate and connecting plate, clamping solid frame body one side outer terminal surface is fluted, and clamping solid frame body upper surface fixed has the slide bar, slide bar surface sliding connection has the clamp plate, and one side outer terminal surface threaded connection of clamp plate has the fixed valve, the fixed slot has been seted up to one side outer terminal surface of support frame, and the upper surface fixed of support frame has the bracing piece, the surface sliding connection of bracing piece has the mounting panel, and one side outer terminal surface threaded connection of mounting panel has the locking valve, clamping solid frame body and the both sides outer terminal surface of support frame all are fixed with the planking, and the upper surface threaded connection of planking has fixing bolt, one side outer terminal surface activity grafting of planking has the inner panel, and the lower surface fixed connection of inner panel has the connecting plate, spacing hole has been seted up to the inside of connecting plate. The utility model is convenient for fixing different workpieces.

Description

A workpiece clamping assembly for a CNC milling machine

Technical Field

The utility model relates to the technical field of numerically controlled milling machines, in particular to a workpiece clamping component of a numerically controlled milling machine.

Background Art

Milling machines mainly refer to machine tools that use milling cutters to process various surfaces of workpieces. Usually, the main motion is the rotation of the milling cutter, and the movement of the workpiece and the milling cutter is the feed motion. It can process planes, grooves, various curved surfaces, gears, etc. When a CNC milling machine processes a workpiece, the workpiece needs to be fixed with a clamping assembly.

The prior art discloses a workpiece clamping device of a CNC milling machine according to CN214162136U, comprising a base, a fixed supporting block is provided on the right side of the top of the base, a left clamping block is provided on the left side of the top of the base, a left rubber pad is provided on the right side of the left clamping block, a threaded rod is connected to the right side wall of the fixed supporting block, a turntable is provided on the right end of the threaded rod, a clamping block is connected to the left end of the threaded rod, and a right rubber pad is provided on the left side of the right clamping block. In the utility model, a fixed block, a supporting block, a secondary thread, a secondary turntable and a secondary clamping block are arranged at the front and back with the base as the central axis, so that the workpiece clamping device can clamp the workpiece from the front and back, thereby solving the problem that the structural design of the workpiece clamping device of the existing CNC milling machine is too simple, and the problem that the clamping device is not firmly clamped during processing, causing the workpiece to shake easily, thereby making the processed workpiece more accurate.

Also disclosed is a multifunctional combined fixture for clamping workpieces of a horizontal milling machine of CN217965954U, comprising a base, a cross slot is provided inside the upper end of the base, threaded holes are provided on the sides of the cross slot, screws are provided in the threaded holes, a slider is provided inside the cross slot, a cylindrical placement hole is provided inside the middle of the lower end of the slider, the placement hole runs through the slider, a bearing is provided inside the placement hole, the stepped shaft at the front end of the screw is placed inside the bearing, an end cap is fixedly provided on the side away from the screw, an annular groove is provided on one side of the end cap above the slider, a shock-absorbing pad is provided on one side of the end cap above the slider, and the shock-absorbing pad is fixed on the annular groove. The utility model discloses a multifunctional combined fixture for clamping workpieces of a horizontal milling machine, which can be applied to workpieces of various sizes, has positioning and shock-absorbing functions, and has a simple structure, convenient assembly and debugging, and improves production efficiency.

The workpiece clamping assembly of today's CNC milling machines has a fixed structure and cannot be adjusted. It cannot fix workpieces of different sizes and is not convenient to fix on different CNC milling machines.

Utility Model Content

The utility model aims to provide a workpiece clamping assembly for a numerically controlled milling machine to solve the problems raised in the above-mentioned background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC milling machine workpiece clamping assembly, comprising a clamping frame body, an outer plate, a fixing plate, a support frame and a connecting plate, wherein a groove is provided on one side outer end surface of the clamping frame body, and a sliding rod is fixed on the upper surface of the clamping frame body, a fixing groove is provided on one side outer end surface of the support frame, and a supporting rod is fixed on the upper surface of the support frame, the outer plates are fixed on both side outer end surfaces of the clamping frame body and the support frame, and fixing bolts are threadedly connected to the upper surfaces of the outer plates.

When using a workpiece clamping assembly for a CNC milling machine in the technical solution, the locking bolt is loosened, the clamping frame body and the support frame are held by hand, the clamping frame body and the support frame are driven by the hand to slide, and the clamping frame body and the support frame drive the slide plate to slide, and the positions of the clamping frame body and the support frame are adjusted according to the diameter of the workpiece, the clamping frame body and the support frame are sleeved on both sides of the workpiece, the workpiece is inserted into the groove and the fixing groove, and the locking bolt is tightened, so as to fix different workpieces;

Irregular workpieces cannot be clamped by the clamping frame body and the support frame. The fixing block can be inserted into the groove and the fixing groove. The fixing plate can connect the clamping frame body and the support frame. The fixing valve and the locking valve are loosened. The pressing plate and the mounting plate are held by hand. The hands drive the pressing plate and the mounting plate to rise. The workpiece is placed on the upper surface of the clamping frame body, the fixing plate and the support frame. The pressing plate and the mounting plate are lowered to the upper surface of the workpiece. The pressing plate and the mounting plate can press the workpiece. The fixing valve and the locking valve are tightened to facilitate the fixing of irregular workpieces.

Loosen the fixing bolts, hold the inner plate, stretch the inner plate according to the width of the milling machine, stretch the inner plate to a suitable length, tighten the fixing bolts, place the clamping frame body and the support frame on the upper surface of the milling machine through the outer plate and the inner plate, clamp the connecting plate on both sides of the milling machine, and thread the screws in the limit holes and the inside of the milling machine to fix the clamping frame body and the support frame.

Preferably, fixing blocks are fixed to both side outer end surfaces of the fixing plate, and the fixing blocks are inserted into the grooves and the fixing slots.

By arranging fixing blocks on both sides of the fixing plate, it is convenient to connect the fixing frame body and the supporting frame.

Preferably, an inner plate is movably inserted into an outer end surface of one side of the outer plate, and a connecting plate is fixed to the lower surface of the inner plate.

By arranging the inner plate and the connecting plate on one side of the outer plate, it is convenient to drive the inner plate to move.

Preferably, a limiting hole is provided inside the connecting plate, and a screw is threadedly connected to the inner wall of the limiting hole.

By arranging limiting holes inside the connecting plate, it is convenient to install screws.

Preferably, a pressure plate is slidably connected to the outer surface of the sliding rod, and a fixed valve is threadedly connected to an outer end surface of one side of the pressure plate.

By arranging a pressing plate and a fixing valve on the outer surface of the sliding rod, it is convenient to fix the pressing plate.

Preferably, a slide plate is fixed to one side outer end surface of the clamping frame body and the supporting frame, and a locking bolt is threadedly connected to the upper surface of the slide plate.

The slide plate and the locking bolts are arranged on one side of the clamping frame body and the supporting frame, so as to facilitate the fixing of the slide plate.

Preferably, the outer surface of the support rod is slidably connected to a mounting plate, and an outer end surface of one side of the mounting plate is threadedly connected to a locking valve.

By arranging a mounting plate and a locking valve on the outer surface of the support rod, it is convenient to fix the mounting plate.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model achieves the effect of facilitating the fixing of different workpieces by arranging a slide plate, a clamping frame body and a supporting frame.

Loosen the locking bolt, hold the clamping frame body and the support frame, drive the clamping frame body and the support frame to slide, and the clamping frame body and the support frame drive the slide plate to slide. Adjust the position of the clamping frame body and the support frame according to the diameter of the workpiece, sleeve the clamping frame body and the support frame on both sides of the workpiece, insert the workpiece into the groove and the fixing groove, and tighten the locking bolt to fix different workpieces.

2. The utility model achieves the effect of facilitating the fixing of irregular workpieces by arranging a pressing plate, a mounting plate and a fixing plate.

Irregular workpieces cannot be clamped by the clamping frame body and the support frame. The fixing block can be inserted into the groove and the fixing groove. The fixing plate can connect the clamping frame body and the support frame. Loosen the fixing valve and the locking valve, hold the pressing plate and the mounting plate, and drive the pressing plate and the mounting plate to rise by hand. Place the workpiece on the upper surface of the clamping frame body, the fixing plate and the support frame, lower the pressing plate and the mounting plate to the upper surface of the workpiece, the pressing plate and the mounting plate can press the workpiece, tighten the fixing valve and the locking valve, which is convenient for fixing irregular workpieces.

3. The utility model achieves the effect of facilitating the fixing of the clamping frame body and the supporting frame by arranging the outer plate, the inner plate and the connecting plate.

Loosen the fixing bolts, hold the inner plate, stretch the inner plate according to the width of the milling machine, stretch the inner plate to a suitable length, tighten the fixing bolts, place the clamping frame body and the support frame on the upper surface of the milling machine through the outer plate and the inner plate, clamp the connecting plate on both sides of the milling machine, and thread the screws in the limit holes and the inside of the milling machine to fix the clamping frame body and the support frame.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the main structure of the utility model;

FIG2 is a partial enlarged structural schematic diagram of the outer plate of the utility model;

FIG3 is an enlarged structural diagram of the clamping frame body of the present invention;

FIG. 4 is an enlarged structural schematic diagram of the support frame of the present invention.

In the figure: 1. clamping frame body; 2. outer plate; 3. fixing plate; 4. fixing block; 5. support frame; 6. fixing bolt; 7. inner plate; 8. connecting plate; 9. screw; 10. limit hole; 11. fixing valve; 12. pressure plate; 13. slide bar; 14. groove; 15. slide plate; 16. locking bolt; 17. fixing groove; 18. support rod; 19. mounting plate; 20. locking valve.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Embodiment 1

Please refer to Figures 1 to 4. An embodiment of the utility model provides: a CNC milling machine workpiece clamping assembly, including a clamping frame body 1, an outer plate 2, a fixing plate 3, a support frame 5 and a connecting plate 8. A groove 14 is provided on the outer end surface of one side of the clamping frame body 1, and a slide bar 13 is fixed to the upper surface of the clamping frame body 1. A fixing groove 17 is provided on the outer end surface of one side of the support frame 5, and a support rod 18 is fixed to the upper surface of the support frame 5. A slide plate 15 is fixed to the outer end surfaces of one side of the clamping frame body 1 and the support frame 5, and a locking bolt 16 is threadedly connected to the upper surface of the slide plate 15.

Of course, as is well known to those skilled in the art, the utility model also needs to provide a power device to enable it to work normally, and as is well known to those skilled in the art, the provision of the power is commonplace, and it all belongs to conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selection according to their needs or convenience.

Based on a workpiece clamping assembly of a CNC milling machine according to Example 1, loosen the locking bolt 16, hold the clamping frame body 1 and the support frame 5, and drive the clamping frame body 1 and the support frame 5 to slide by hand, and the clamping frame body 1 and the support frame 5 drive the slide plate 15 to slide, and adjust the position of the clamping frame body 1 and the support frame 5 according to the diameter of the workpiece, connect the clamping frame body 1 and the support frame 5 on both sides of the workpiece, insert the workpiece into the groove 14 and the fixing groove 17, and tighten the locking bolt 16 to facilitate fixing different workpieces.

Embodiment 2

As shown in Figures 1 to 4, the utility model proposes a CNC milling machine workpiece clamping assembly. Compared with the first embodiment, this embodiment also includes a clamping frame body 1, an outer plate 2, a fixing plate 3, a support frame 5 and a connecting plate 8. The outer surface of the sliding rod 13 is slidably connected to a pressure plate 12, and the outer end surface of one side of the pressure plate 12 is threadedly connected to a fixing valve 11. The outer surface of the support rod 18 is slidably connected to a mounting plate 19, and the outer end surface of one side of the mounting plate 19 is threadedly connected to a locking valve 20. The outer end surfaces of both sides of the fixing plate 3 are fixed with fixing blocks 4, and the fixing blocks 4 are inserted into the inside of the groove 14 and the fixing groove 17.

In this embodiment, the irregular workpiece cannot be clamped by the clamping frame body 1 and the support frame 5. The fixing block 4 can be inserted into the groove 14 and the fixing groove 17. The fixing plate 3 can connect the clamping frame body 1 and the support frame 5. Loosen the fixing valve 11 and the locking valve 20. Hold the pressing plate 12 and the mounting plate 19 by hand to drive the pressing plate 12 and the mounting plate 19 to rise. Place the workpiece on the upper surface of the clamping frame body 1, the fixing plate 3 and the support frame 5. Lower the pressing plate 12 and the mounting plate 19 to the upper surface of the workpiece. The pressing plate 12 and the mounting plate 19 can press the workpiece. Tighten the fixing valve 11 and the locking valve 20 to facilitate fixing the irregular workpiece.

Embodiment 3

As shown in Figures 1 to 4, the utility model proposes a CNC milling machine workpiece clamping assembly. Compared with the first embodiment, this embodiment also includes a clamping frame body 1, an outer plate 2, a fixing plate 3, a support frame 5 and a connecting plate 8. The outer end surfaces of the clamping frame body 1 and the support frame 5 on both sides are fixed with the outer plate 2, and the upper surface of the outer plate 2 is threadedly connected with a fixing bolt 6, an inner plate 7 is movably inserted into the outer end surface of one side of the outer plate 2, and the lower surface of the inner plate 7 is fixed with a connecting plate 8, a limiting hole 10 is opened inside the connecting plate 8, and the inner wall of the limiting hole 10 is threadedly connected with a screw 9.

In this embodiment, loosen the fixing bolt 6, hold the inner plate 7, stretch the inner plate 7 according to the width of the milling machine, stretch the inner plate 7 to a suitable length, tighten the fixing bolt 6, place the clamping frame body 1 and the support frame 5 on the upper surface of the milling machine through the outer plate 2 and the inner plate 7, clamp the connecting plate 8 on both sides of the milling machine, and thread the screws 9 into the limiting holes 10 and the inside of the milling machine to facilitate fixing the clamping frame body 1 and the support frame 5.

It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims (7)

1. A workpiece clamping assembly for a numerically controlled milling machine, comprising a clamping frame body (1), an outer plate (2), a fixing plate (3), a support frame (5) and a connecting plate (8), characterized in that: a groove (14) is provided on one side outer end surface of the clamping frame body (1), and a sliding rod (13) is fixed on the upper surface of the clamping frame body (1), a fixing groove (17) is provided on one side outer end surface of the support frame (5), and a supporting rod (18) is fixed on the upper surface of the support frame (5), the outer plate (2) is fixed on both side outer end surfaces of the clamping frame body (1) and the support frame (5), and a fixing bolt (6) is threadedly connected to the upper surface of the outer plate (2). 2. A CNC milling machine workpiece clamping assembly according to claim 1, characterized in that: fixed blocks (4) are fixed to the outer end surfaces on both sides of the fixed plate (3), and the fixed blocks (4) are inserted into the groove (14) and the fixing groove (17). 3. A CNC milling machine workpiece clamping assembly according to claim 1, characterized in that an inner plate (7) is movably inserted into an outer end surface of one side of the outer plate (2), and a connecting plate (8) is fixed to the lower surface of the inner plate (7). 4. A CNC milling machine workpiece clamping assembly according to claim 1, characterized in that a limiting hole (10) is provided inside the connecting plate (8), and a screw (9) is threadedly connected to the inner wall of the limiting hole (10). 5. A CNC milling machine workpiece clamping assembly according to claim 1, characterized in that: the outer surface of the sliding rod (13) is slidably connected to a pressure plate (12), and the outer end surface of one side of the pressure plate (12) is threadedly connected to a fixed valve (11). 6. A CNC milling machine workpiece clamping assembly according to claim 1, characterized in that a slide plate (15) is fixed to one side outer end surface of the clamping frame body (1) and the support frame (5), and a locking bolt (16) is threadedly connected to the upper surface of the slide plate (15). 7. A CNC milling machine workpiece clamping assembly according to claim 1, characterized in that: the outer surface of the support rod (18) is slidably connected to a mounting plate (19), and the outer end surface of one side of the mounting plate (19) is threadedly connected to a locking valve (20).