CN210938264U

CN210938264U - Workpiece clamping device for numerical control milling machine

Info

Publication number: CN210938264U
Application number: CN201921979769.7U
Authority: CN
Inventors: 曹乐坤; 袁靖楠; 杨松霖; 曹涵
Original assignee: Luzhou Nanxin Glass Mould Co ltd
Current assignee: Luzhou Nanxin Glass Mould Co ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-07-07
Anticipated expiration: 2029-11-16

Abstract

The utility model discloses a work piece clamping device for numerically controlled fraise machine, which comprises a worktable, the top of board is equipped with the platen, the equal sliding connection in top both sides of platen has the slider, two the terminal surface that the slider is close to each other all rotates and is connected with the movable block. The utility model discloses in, set up the movable block on the slider, the inside of movable block has set up the inner chamber, and the inside of inner chamber has set up the motor, and the surface of movable block has set up the spout, and the inside of spout has set up the spring, and the output shaft of motor has set up the connection rope, connects the other end and the spring coupling of rope, adopts the benefit of this design to lie in: the starting motor can pull the connecting rope to be wound, so that the clamping block is driven to move to clamp a workpiece, the clamping block cannot be loosened due to vibration generated during machining, the connecting rope is loosened by reversing the motor after machining is completed, the clamping block is pulled by the spring to loosen the workpiece, and the stability of fixing the workpiece is improved by the aid of the design, so that the machining precision is improved.

Description

Workpiece clamping device for numerical control milling machine

Technical Field

The utility model relates to a numerically controlled fraise machine technical field especially relates to a work piece clamping device for numerically controlled fraise machine.

Background

Milling mainly refers to a machine tool for processing various surfaces of a workpiece by using a milling cutter. Typically the milling cutter is moved primarily in a rotary motion and the movement of the workpiece and the milling cutter is a feed motion. It can be used for processing plane, groove, various curved surfaces and gears. The milling machine is a machine tool with wide application, and can process planes, grooves, tooth dividing parts, spiral surfaces and various curved surfaces on the milling machine. In addition, the method can be used for machining the surface and inner hole of the revolving body, cutting off the revolving body, and the like. When the milling machine works, a workpiece is arranged on a workbench or accessories such as an indexing head, the milling cutter rotates to move mainly, and the workpiece can obtain a required processing surface by the aid of the feeding motion of the workbench or the milling head. Since the multi-edge intermittent cutting is performed, the productivity of the milling machine is high. In short, a milling machine is a machine tool that can mill, drill, and bore a workpiece.

Firstly, most of the existing clamping devices use mechanical connection modes such as bolts and the like to fix the workpiece, and the milling machine can generate large vibration after being started, so that the bolts can be loosened by the vibration, further the workpiece is loosened, and the machining precision of the workpiece is influenced; secondly, most of the existing clamping devices are of fixed structures, and the time and labor are consumed for repeatedly tightening and loosening workpieces needing multi-surface processing, so that the processing efficiency is insufficient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the workpiece clamping device for the numerical control milling machine is provided for solving the problems that the existing clamping device is easy to loose and cannot turn over workpieces during vibration.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a work piece clamping device for numerically controlled fraise machine, includes the board, the top of board is equipped with the platen, the equal sliding connection in top both sides of platen has the slider, two the terminal surface that the slider is close to each other all rotates and is connected with the movable block, cylindric inner chamber has been seted up to the inside of movable block, the interior table wall bolted connection of inner chamber has the motor to the spout has been seted up to the periphery of inner chamber, the output shaft winding of motor is connected with the connection rope, the inside fixedly connected with spring of spout, the flexible end and the connection rope fixed connection of spring.

As a further description of the above technical solution:

the telescopic end of the spring is fixedly connected with a clamping block, and the clamping block is connected with the sliding groove in a sliding mode.

As a further description of the above technical solution:

the terminal surface that the movable block was kept away from to the slider rotates and is connected with the carousel, the draw-in groove that a plurality of equiangular circumference were arranged is seted up to the side table wall of carousel, the top of carousel is equipped with the sliding sleeve, and sliding sleeve and slider welding, the inside sliding connection of sliding sleeve has the slide bar, the lower extreme joint of draw-in groove and slide bar.

As a further description of the above technical solution:

the top of the machine table is provided with a groove, a hydraulic oil cylinder is fixedly connected inside the groove along the vertical direction, and the telescopic end of the hydraulic oil cylinder is fixedly connected with the table plate.

As a further description of the above technical solution:

the clamp blocks are at least three.

As a further description of the above technical solution:

the spring is connected with the side wall of the sliding groove in a sliding mode.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the top of board has set up the platen, and the top of platen has set up the slider, has set up the movable block on the slider, and the inside of movable block has set up the inner chamber, and the inside of inner chamber has set up the motor, and the surface of movable block has set up the spout, and the inside of spout has set up the spring, and the output shaft of motor has set up the connection rope, connects the other end and the spring coupling of rope, adopts the benefit of this design to lie in: the starting motor can pull the connecting rope to be wound, so that the clamping block is driven to move to clamp a workpiece, the clamping block cannot be loosened due to vibration generated during machining, the connecting rope is loosened by reversing the motor after machining is completed, the clamping block is pulled by the spring to loosen the workpiece, and the stability of fixing the workpiece is improved by the aid of the design, so that the machining precision is improved.

2. The utility model discloses in, set up the carousel on the slider, set up the draw-in groove on the carousel, still set up the sliding sleeve on the slider, the inside of sliding sleeve has set up the slide bar, and the benefit of adopting this design lies in: the slide bar is lifted to be separated from the clamping groove of the rotary table, the rotary table can be rotated to drive the workpiece to rotate, the slide bar is put down to be clamped with the clamping groove of the rotary table to fix the rotary table, the rotation of the workpiece is facilitated through the design, the workpiece does not need to be frequently loosened during machining, the machining efficiency is improved, and the machining precision is improved.

3. The utility model discloses in, the top of board has set up the recess, and the inside of recess has set up hydraulic cylinder, and the benefit of adopting this design lies in: the telescopic end of the hydraulic oil cylinder is connected with the bedplate, and then the workpiece can be driven to lift by adjusting the length of the hydraulic oil cylinder, so that the machine table can be conveniently machined.

Drawings

Fig. 1 shows a schematic view of a front view structure of a machine station according to an embodiment of the present invention;

fig. 2 is a schematic side view of a slider according to an embodiment of the present invention;

fig. 3 is a schematic diagram illustrating an internal structure of a movable block according to an embodiment of the present invention;

fig. 4 shows a schematic side view of the movable block provided by the embodiment of the present invention.

Illustration of the drawings:

1. a machine platform; 2. a platen; 3. a slider; 4. a movable block; 5. an inner cavity; 6. a motor; 7. a chute; 8. a spring; 9. connecting ropes; 10. a clamping block; 11. a turntable; 12. a card slot; 13. a sliding sleeve; 14. a slide bar; 15. a groove; 16. a hydraulic cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a work piece clamping device for numerically controlled fraise machine, including board 1, the top of board 1 is equipped with platen 2, the equal sliding connection in top both sides of platen 2 has slider 3, the terminal surface that two sliders 3 are close to each other all rotates and is connected with movable block 4, cylindric inner chamber 5 has been seted up to movable block 4's inside, the interior table wall bolted connection of inner chamber 5 has motor 6, and spout 7 has been seted up to inner chamber 5's periphery, motor 6's output shaft winding is connected with and connects rope 9, spout 7's inside fixedly connected with spring 8, spring 8's flexible end and connection rope 9 fixed connection, motor 6 can pull and connect rope 9, and then it is tensile to drive spring 8, when the work piece is loosened to needs, 6 collapsible resets of reverse rotation motor, the fastening of work piece need not use the bolt.

Specifically, as shown in fig. 4, the telescopic end of the spring 8 is fixedly connected with the clamping blocks 10, the clamping blocks 10 are connected with the sliding grooves 7 in a sliding mode, the number of the clamping blocks 10 is at least three, and the clamping force on the workpiece can be improved through the clamping blocks 10, so that the fastening stability of the workpiece is improved.

Specifically, as shown in fig. 2, the end face of the sliding block 3, which is far away from the movable block 4, is rotatably connected with a rotary table 11, a plurality of clamping grooves 12 which are arranged in an equal-angle circumferential manner are formed in the side surface wall of the rotary table 11, a sliding sleeve 13 is arranged above the rotary table 11, the sliding sleeve 13 is welded with the sliding block 3, a sliding rod 14 is slidably connected inside the sliding sleeve 13, the clamping grooves 12 are clamped with the lower end of the sliding rod 14, the rotary table 11 can be rotated and fixed through the matching of the rotary table 11 and the sliding rod 14, further, the workpiece can be conveniently.

Specifically, as shown in fig. 1, a groove 15 is formed in the top of the machine table 1, a hydraulic oil cylinder 16 is fixedly connected to the inside of the groove 15 along the vertical direction, the telescopic end of the hydraulic oil cylinder 16 is fixedly connected with the bedplate 2, and the hydraulic oil cylinder 16 can drive the bedplate 2 to be lifted, so that a workpiece can be conveniently machined.

Specifically, as shown in fig. 3, the spring 8 is slidably connected to the side wall of the sliding groove 7, and the sliding groove 7 plays a role in limiting, so as to prevent the spring 8 from bending.

The working principle is as follows: when the clamping device is used, commercial power is supplied to the motor 6, firstly, a workpiece is placed above the bedplate 2, the sliding block 3 is slid to enable two ends of the workpiece to be respectively attached to the movable blocks 4, then the motor 6 is started, an output shaft of the motor 6 drives the connecting rope 9 to be wound, the clamping block 10 is further driven to move along the sliding groove 7 until the workpiece is clamped, and at the moment, the spring 8 is stretched; secondly, after a workpiece is fixed, the workpiece is processed through processing equipment on the machine table 1, when the workpiece needs to be rotated, the sliding rod 14 is lifted upwards to be separated from the clamping groove 12, then the rotary table 11 is rotated to drive the movable block 4 to rotate, the workpiece is driven to rotate, after the workpiece is rotated to a processing surface, the sliding rod 14 is put down to be clamped with the clamping groove 12, the rotary table 11 can be fixed, so that the workpiece is processed continuously, and meanwhile, the bedplate 2 can be driven to be lifted through adjusting the length of the telescopic end of the hydraulic cylinder 16, and further the processing is facilitated; finally, after the processing is finished, the motor 6 is rotated reversely to release the connecting rope 9, the spring 8 contracts after losing the tensile force to drive the clamping block 10 to release the workpiece, through the steps, the clamping device can be always kept clamped without loosening when driven by the motor 6 to vibrate again, the workpiece can be rotated through the matching of the turntable 11 and the sliding rod 14, the workpiece does not need to be loosened frequently, the processing precision of the workpiece is improved, and the problems that the workpiece is easy to loosen and cannot be overturned by the existing clamping device when vibrated are solved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a work piece clamping device for numerically controlled fraise machine, includes board (1), its characterized in that, the top of board (1) is equipped with platen (2), the equal sliding connection in top both sides of platen (2) has slider (3), two the terminal surface that slider (3) are close to each other all rotates and is connected with movable block (4), cylindric inner chamber (5) have been seted up to the inside of movable block (4), the interior table wall bolted connection of inner chamber (5) has motor (6) to spout (7) have been seted up to the periphery of inner chamber (5), the output shaft winding of motor (6) is connected with and connects rope (9), the inside fixedly connected with spring (8) of spout (7), the flexible end and the rope (9) fixed connection of being connected of spring (8).

2. A workpiece clamping device for a numerically controlled milling machine according to claim 1, characterized in that a clamping block (10) is fixedly connected to the telescopic end of the spring (8), and the clamping block (10) is slidably connected with the chute (7).

3. The workpiece clamping device for the numerically controlled milling machine is characterized in that a rotary table (11) is rotatably connected to the end face, far away from the movable block (4), of the sliding block (3), a plurality of clamping grooves (12) which are arranged in an equiangular and circumferential manner are formed in the side surface wall of the rotary table (11), a sliding sleeve (13) is arranged above the rotary table (11), the sliding sleeve (13) is welded with the sliding block (3), a sliding rod (14) is slidably connected to the inside of the sliding sleeve (13), and the clamping grooves (12) are clamped with the lower end of the sliding rod (14).

4. The workpiece clamping device for the numerically controlled milling machine is characterized in that a groove (15) is formed in the top of the machine table (1), a hydraulic oil cylinder (16) is fixedly connected to the inside of the groove (15) in the vertical direction, and the telescopic end of the hydraulic oil cylinder (16) is fixedly connected with the table plate (2).

5. A workpiece clamping device for a numerically controlled milling machine according to claim 2, characterized in that there are at least three clamping blocks (10).

6. A workpiece clamping device for a numerically controlled milling machine according to claim 1, characterized in that the spring (8) is slidably connected to the side wall of the chute (7).