CN215824842U - Large-scale numerically controlled fraise machine with discrete multiple spot work piece fixing device - Google Patents

Abstract

The utility model discloses a large numerical control milling machine with a discrete multipoint workpiece fixing device, which comprises an operation table, wherein a rotating rod is movably arranged in the operation table, two groups of connecting sleeves are sleeved outside the rotating rod and connected with a first clamping plate through hinge rods, the first clamping plate is movably arranged in the fixed table through a limiting block, a second clamping plate is sleeved at the top end of the first clamping plate, and the second clamping plate is limited and fixed through bolts. According to the utility model, the first turntable is arranged, the first turntable is rotated to drive the rotating rod to rotate, the first clamping plate is pulled through the mutual matching between the two groups of connecting sleeves and the hinge rod, the first clamping plate firstly moves downwards under the action of gravity to drive the second clamping plate to press the upper end of the workpiece downwards, and meanwhile, the first clamping plate clamps the two groups of workpieces under the pulling force of the hinge rod, so that the multipoint clamping of the workpiece is realized, the workpiece is more stably fixed, and the workpiece is not easy to deviate.

Description

Large-scale numerically controlled fraise machine with discrete multiple spot work piece fixing device

Technical Field

The utility model belongs to the technical field of machining equipment, and particularly relates to a large numerical control milling machine with a discrete multi-point workpiece fixing device.

Background

The milling machine is a machine tool mainly using a milling cutter to mill a workpiece, the machine tool can process planes and grooves, various curved surfaces and gears can be processed, the rotation speed of the milling cutter during working is high, in order to process the workpiece safely and effectively, the workpiece to be processed needs to be fixed, however, most of the existing workpiece fixing devices are single-point fixed, the fixing steps are complicated and the stability is not high, the milling cutter can vibrate during high-speed rotation, the workpiece is easy to deviate, the processing progress of the workpiece is influenced, on the other hand, the workpiece can be processed at multiple positions, after one position is processed, a clamping device needs to be loosened, and then one position is changed for processing, the mode is very troublesome, the working time is greatly reduced, and the targeted improved design is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a large numerical control milling machine with a discrete multi-point workpiece fixing device, which is put into use and aims to solve the problems that the existing fixing device for workpieces is not high in stability, multi-position processing needs secondary fixing and the processing efficiency is low in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a large-scale numerically controlled fraise machine with discrete multiple spot work piece fixing device, includes the operation panel, the inside movable mounting of operation panel has the dwang, and the one end of dwang installs first carousel, the outside cover of dwang is equipped with two sets of adapter sleeves, and is two sets of the adapter sleeve is connected with first splint through the hinge bar, and first splint pass through stopper movable mounting in the inside of fixed station, the top cover of first splint is equipped with the second splint, and the second splint carry out spacing fixedly through the bolt.

Preferably, the lower extreme fixedly connected with disc of operation panel, and disc movable mounting is in the inside of bottom plate, the inside movable mounting of bottom plate has the worm, and the one end fixed mounting of worm has the second carousel, the worm meshing is connected with the turbine, and the upper end of turbine is connected with the gear with one heart, the side of bottom plate is seted up with the groove that runs through of gear width looks adaptation, the tooth's socket with gear looks adaptation is seted up to the side of disc.

Preferably, the outer side of the second clamping plate is equidistantly provided with limiting holes matched with the bolts.

Preferably, the second clamping plate is L-shaped, and the lower end of the transverse plate of the second clamping plate is provided with an anti-skid block.

Preferably, reverse screw thread has been seted up to the surperficial central symmetry of dwang, the thread groove with dwang surface screw thread looks adaptation is seted up to the inner wall of adapter sleeve, and two sets of adapter sleeve symmetrical sleeve establish on the surface of dwang.

Preferably, three groups of pulleys are installed to the bottom equidistance of disc, circular slide rail has been seted up to the inner wall of bottom plate, and three groups the equal movable sleeve of pulley is established at the slide rail upper end and is constituted sliding connection.

The utility model has the technical effects and advantages that:

(1) the multi-point clamping device is provided with a first rotary disc, a rotary rod, connecting sleeves, hinge rods, a first clamping plate, a bolt and a second clamping plate, wherein the first rotary disc is arranged, the rotary rod is driven to rotate by rotating the first rotary disc, the first clamping plate is pulled by the mutual matching of the two groups of connecting sleeves and the hinge rods, the first clamping plate firstly moves downwards under the action of gravity, so that the second clamping plate is driven to press the upper end of a workpiece downwards, and meanwhile, the first clamping plate clamps the two groups of workpieces under the tension of the hinge rods, so that the multi-point clamping of the workpieces is realized, the workpieces are fixed more stably, and the workpieces are not easy to deviate;

(2) the workpiece clamping device is provided with the second turntable, the worm wheel, the gear and the disc, the second turntable is rotated through the second turntable, the gear is driven to rotate under the matching of the worm and the worm wheel, the teeth matched with the gear are arranged on the side surface of the disc, the machining position of the workpiece can be changed under the condition that the workpiece is fixed through the arrangement, the step of secondary clamping is omitted, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

in the figure: 1. an operation table; 2. rotating the rod; 3. a first turntable; 4. connecting sleeves; 5. a hinged lever; 6. a first splint; 7. a limiting block; 8. a fixed table; 9. a second splint; 10. a bolt; 11. anti-skid blocks; 12. a disc; 13. a base plate; 14. a worm; 15. a second turntable; 16. a turbine; 17. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

The utility model provides a large numerical control milling machine with a discrete multipoint workpiece fixing device as shown in figures 1-3, which comprises an operation table 1, wherein a rotating rod 2 is movably arranged in the operation table 1, a first rotating disc 3 is arranged at one end of the rotating rod 2, two groups of connecting sleeves 4 are sleeved outside the rotating rod 2, the two groups of connecting sleeves 4 are connected with a first clamping plate 6 through a hinge rod 5, the first clamping plate 6 is movably arranged in a fixed table 8 through a limiting block 7, a second clamping plate 9 is sleeved at the top end of the first clamping plate 6, the second clamping plate 9 is limited and fixed through a bolt 10, the first rotating disc 3 is rotated to drive the rotating rod 2 to rotate, the first clamping plate 6 is pulled through the mutual matching between the two groups of connecting sleeves 4 and the hinge rod 5, the first clamping plate 6 firstly moves downwards under the action of gravity to drive the second clamping plate 9 to press the upper end of a workpiece, simultaneously first splint 6 are two sets of centre gripping to the work piece under the pulling force of hinge bar 5 to realize the multiple spot centre gripping of work piece, make the work piece fixed more stable, difficult emergence skew.

The lower end of the operating table 1 is fixedly connected with a disc 12, the disc 12 is movably mounted inside a bottom plate 13, a worm 14 is movably mounted inside the bottom plate 13, one end of the worm 14 is fixedly mounted with a second rotating disc 15, the worm 14 is connected with a turbine 16 in a meshed mode, the upper end of the turbine 16 is concentrically connected with a gear 17, a through groove matched with the width of the gear 17 is formed in the side surface of the bottom plate 13, a tooth groove matched with the gear 17 is formed in the side surface of the disc 12, the second rotating disc 15 is arranged to rotate, the gear 17 is driven to rotate under the matching of the worm 14 and the turbine 16, teeth matched with the gear 17 are formed in the side surface of the disc 12, the machining position of a workpiece can be changed under the condition that the workpiece is fixed, the step of secondary clamping is omitted, and the working efficiency is improved.

The spacing hole with bolt 10 looks adaptation is seted up to the outside equidistance of second splint 9, and this setting can be adjusted the height of second splint 9 according to the work piece of co-altitude not, and two sets of second splint 9 can be adjusted alone to this work piece that is applicable to the nonstandard height, further improves the application scope of device.

The second splint 9 sets up to L shape, and the diaphragm lower extreme of second splint 9 is provided with non slipping spur 11, and non slipping spur 11's lower surface is comparatively crude to increase the frictional force between second splint 9 and the work piece, make the work piece more stable.

Reverse screw thread has been seted up to the surperficial central symmetry of dwang 2, and the thread groove with dwang 2 surperficial screw thread looks adaptation is seted up to the inner wall of adapter sleeve 4, and two sets of adapter sleeve 4 symmetrical sleeves are established on the surface of dwang 2, have good auto-lock nature between screw thread and the thread groove to prevent that the work piece from taking place the skew when processing vibrations, further improve the stability of centre gripping.

Three groups of pulleys are installed at the bottom end of the disc 12 at equal intervals, a circular sliding rail is arranged on the inner wall of the bottom plate 13, the three groups of pulleys are movably sleeved at the upper end of the sliding rail and form sliding connection, and the arrangement can reduce the friction resistance between the disc 12 and the bottom plate 13, so that the disc 12 can rotate more smoothly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (6)

1. A large-scale numerically controlled fraise machine with discrete multipoint workpiece fixing device is characterized in that; including operation panel (1), the inside movable mounting of operation panel (1) has dwang (2), and the one end of dwang (2) installs first carousel (3), the outside cover of dwang (2) is equipped with two sets of adapter sleeves (4), and is two sets of adapter sleeve (4) are connected with first splint (6) through hinge bar (5), and just first splint (6) are through the inside of stopper (7) movable mounting in fixed station (8), the top cover of first splint (6) is equipped with second splint (9), and second splint (9) carry out spacing fixedly through bolt (10).

2. A large-sized numerically controlled fraise machine provided with a discrete multipoint workpiece fixing device according to claim 1, wherein: the lower extreme fixedly connected with disc (12) of operation panel (1), and disc (12) movable mounting is in the inside of bottom plate (13), the inside movable mounting of bottom plate (13) has worm (14), and the one end fixed mounting of worm (14) has second carousel (15), worm (14) meshing is connected with turbine (16), and the upper end of turbine (16) is connected with gear (17) with one heart, the groove that runs through with gear (17) width looks adaptation is seted up to the side of bottom plate (13), the tooth's socket with gear (17) looks adaptation is seted up to the side of disc (12).

3. A large-sized numerically controlled fraise machine provided with a discrete multipoint workpiece fixing device according to claim 1, wherein: and limiting holes matched with the bolts (10) are formed in the outer side of the second clamping plate (9) at equal intervals.

4. A large-sized numerically controlled fraise machine provided with a discrete multipoint workpiece fixing device according to claim 1, wherein: the second clamping plate (9) is L-shaped, and the lower end of the transverse plate of the second clamping plate (9) is provided with an anti-skid block (11).

5. A large-sized numerically controlled fraise machine provided with a discrete multipoint workpiece fixing device according to claim 1, wherein: reverse screw thread has been seted up to the surperficial central symmetry of dwang (2), the thread groove with dwang (2) surface screw thread looks adaptation is seted up to the inner wall of adapter sleeve (4), and the surface at dwang (2) is established to two sets of adapter sleeve (4) symmetrical cover.

6. The large-scale numerically controlled milling machine provided with the discrete multipoint workpiece fixing device according to claim 2, wherein: three groups of pulleys are installed to the bottom equidistance of disc (12), circular slide rail has been seted up to the inner wall of bottom plate (13), and three groups the equal movable sleeve of pulley is established at the slide rail upper end and is constituted sliding connection.

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