CN215393956U

CN215393956U - Workpiece fixing equipment for numerical control machining

Info

Publication number: CN215393956U
Application number: CN202121580405.9U
Authority: CN
Inventors: 周朵波; 刘文东; 苏黎
Original assignee: Zunyi Jinye Machinery Casting Co ltd
Current assignee: Zunyi Jinye Machinery Casting Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-04
Anticipated expiration: 2031-07-13

Abstract

The utility model provides a work piece fixed equipment for numerical control processing, includes the workstation, workstation upper surface bilateral symmetry is fixed with first disc, the second disc has been cup jointed to first disc outside, horizontal fixed mounting has first cylinder in the first disc, and two the flexible end level of first cylinder is relative, a plurality of spouts have been seted up along the direction of radius to the second disc, be equipped with flexible subassembly in the spout, flexible subassembly extends to spout external connection and has the clamping part, the flexible end of first cylinder communicates with the second disc for flexible back of first cylinder offsets and the interval of effective control clamping part with the flexible subassembly that is located the second disc. According to the workpiece fixing equipment for numerical control machining, the clamping assembly is effectively replaced to achieve the effect of fixing the workpiece, the clamping assembly does not need to be disassembled, and the machining time efficiency is improved; and can realize fixing the work piece that contains a plurality of different curved surfaces or planes, further improve fixed effect.

Description

Workpiece fixing equipment for numerical control machining

Technical Field

The utility model relates to the technical field of numerical control machining auxiliary equipment, in particular to workpiece fixing equipment for numerical control machining.

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool with a program control system, the control system can logically process a program with control codes or other symbol instructions, decode the program, represent the decoded program by coded numbers, input the coded number into a numerical control device through an information carrier, send various control signals by the numerical control device through operation processing, control the action of the machine tool, and automatically machine parts according to the shape and the size required by a drawing.

When the workpiece is machined, the fixing device is an indispensable part and plays a role in fixing the workpiece, so that the workpiece can obtain a better machining angle. The surface rules of different workpieces are inconsistent, and the clamping assembly on the fixing equipment is usually required to be replaced to achieve the fixing effect so that the workpieces can obtain good machining conditions, but the machining time efficiency is affected; in addition, when a surface of one workpiece includes a plurality of different curved surfaces or flat surfaces, it is not easy to perform fixing and a good machining condition cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: a workpiece fixing device for numerical control machining is provided for solving the above problems.

In order to realize the purpose, the following technical scheme is adopted: the utility model provides a work piece fixed equipment for numerical control processing, includes the workstation, workstation upper surface bilateral symmetry is fixed with first disc, the second disc has been cup jointed to first disc outside for the second disc rotates along first disc circumference, horizontal fixed mounting has first cylinder, and two in the first disc the flexible end level of first cylinder is relative, a plurality of spouts have been seted up along the direction of radius to the second disc, rotates the second disc, when spout and first cylinder are located same water flat line, the flexible end and the spout phase-match of the first cylinder of being convenient for, be equipped with flexible subassembly in the spout, flexible subassembly extends to spout external connection has the clamping part. The action or effect is as follows: the telescopic end of the first cylinder is matched with the sliding chute and abuts against a telescopic assembly positioned in the sliding chute, so that the distance between the two clamping parts is controlled, and the effect of fixing a workpiece is achieved; be provided with a plurality of spouts to and the different clamping part of being connected with it, be convenient for fix the curved surface of a plurality of differences or planar work piece and need not dismantle clamping part.

Preferably, flexible subassembly includes slider, ejector pin and spacing ring, the one end of ejector pin is connected with the slider, the slider is adjacent with first disc, the other end of ejector pin extends to the second disc outside and is connected with the clamping part, the cover has the spacing ring on the ejector pin, and the spacing ring is fixed inside the spout, it is equipped with spacing spring still to overlap on the ejector pin, spacing spring is located between slider and the spacing ring. The action or effect is as follows: the ejector rod is enabled to be located inside the sliding groove all the time at one end, adjacent to the first disc, of the ejector rod under the action of the sliding block, the limiting ring and the limiting spring, so that the second disc can rotate conveniently, different clamping parts can be adjusted conveniently, and the effect of fixing a workpiece can be achieved.

Preferably, the sliding block is matched with the sliding groove, and the cross section of the sliding groove is a regular polygon. The action or effect is as follows: when the workpiece is fixed, the ejector rod is prevented from rotating to influence the looseness of the workpiece.

Preferably, a fixing column is arranged in the workbench, the upper end of the fixing column is fixedly connected with the lower surface of the first disc, and the cross section of the fixing column is polygonal. The action or effect is as follows: the first disc is convenient to fix, and the setting interface is polygonal, so that the first disc is prevented from rotating to influence the fixation of the workpiece.

Preferably, the upper surface of the workbench is provided with a processing groove, the processing groove is arranged along the front-back direction, a second cylinder is installed in the processing groove, and the telescopic end of the second cylinder is fixedly connected with the processing table. The action or effect is as follows: the height position can be conveniently adjusted, so that the workpiece can obtain a more favorable processing position.

Preferably, the upper surface of the processing table is provided with an anti-slip layer. The action or effect is as follows: the anti-skidding effect is achieved, and the workpiece is prevented from deviating.

Preferably, the plurality of clamping parts located outside the second disc are different in structure, such as a structure with a circular, arc, circular arc, linear, U-shaped, tooth-shaped and V-shaped cross section, so that a workpiece with a plurality of different curved surfaces or planes can be fixed without disassembling the clamping parts, and the workpiece can be better fixed.

Preferably, a plurality of first scale marks are arranged on the upper surfaces of the two first disks along the radial direction, and second scale marks are arranged on the upper surfaces of the two second disks along the radial direction. The action or effect is as follows: the second disc is convenient to find the position of the sliding groove in the rotating process, the telescopic end of the first cylinder is convenient to stretch and then abuts against the sliding block in the sliding groove, and therefore the distance between the clamping parts is controlled.

The utility model has the following beneficial effects: according to the workpiece fixing equipment for numerical control machining, the second disc is rotated according to the type of the workpiece, so that the telescopic end of the first cylinder is matched with the sliding groove and abuts against the telescopic assembly located in the sliding groove, the ejector rods are pushed under the action of the first cylinder respectively, the distance between the two clamping parts is controlled, the purpose of fixing the workpiece is achieved, the clamping parts do not need to be disassembled, and the efficiency is improved; the second disc is provided with a plurality of sliding grooves, telescopic assemblies and different clamping parts connected with the telescopic assemblies along the radius direction, so that workpieces with different curved surfaces or planes can be fixed conveniently without disassembling the clamping parts, the inner surface of each clamping part can be abutted against the surface of the workpiece with the different curved surfaces or planes, and the purpose of effective fixation is achieved.

Drawings

Fig. 1 is a schematic front view of a workpiece fixing device for numerical control machining according to the present invention.

Fig. 2 is a schematic top view of a workpiece fixing apparatus for numerical control machining according to the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure, 1-a workbench, 2-a first disc, 3-a second disc, 4-a first cylinder, 5-a chute, 6-a clamping part, 7-a slide block, 8-a mandril, 9-a limiting ring, 10-a limiting spring, 11-a fixed column, 12-a processing groove, 13-a second cylinder, 14-a processing table and 15-an anti-skid layer.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being 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 invention.

Referring to the attached drawings 1-3, the workpiece fixing equipment for numerical control machining comprises a workbench 1, wherein a first disc 2 is symmetrically fixed on the upper surface of the workbench 1 in a left-right mode, a second disc 3 is sleeved outside the first disc 2, so that the second disc 3 rotates along the circumference of the first disc 2, a first cylinder 4 is horizontally and fixedly mounted in the first disc 2, the telescopic end of the first cylinder 4 is communicated with the second disc 3, the telescopic ends of the two first cylinders 4 are horizontally opposite, a plurality of sliding grooves 5 are formed in the second disc 3 in the radial direction, telescopic assemblies are arranged in the sliding grooves 5, and the telescopic assemblies extend to the sliding grooves 5 and are externally connected with clamping portions 6.

The flexible subassembly includes slider 7, ejector pin 8 and spacing ring 9, the one end of ejector pin 8 is connected with slider 7, slider 7 is adjacent with first disc 2, the other end of ejector pin 8 extends to 3 outsides of second disc and is connected with clamping part 6, the cover has spacing ring 9 on the ejector pin 8, and spacing ring 9 fixes inside spout 5, it is equipped with spacing spring 10 still to overlap on the ejector pin 8, spacing spring 10 is located between slider 7 and the spacing ring 9.

The slide block 7 is matched with the sliding groove 5, and the section of the sliding groove 5 is a regular polygon.

A fixing column 11 is arranged in the workbench 1, the upper end of the fixing column 11 is fixedly connected with the lower surface of the first disc 2, and the cross section of the fixing column 11 is polygonal.

A processing groove 12 is formed in the upper surface of the workbench 1, the processing groove 12 is arranged in the front-back direction, a second air cylinder 13 is installed in the processing groove 12, and a processing table 14 is fixedly connected with the telescopic end of the second air cylinder 13.

The upper surface of the processing table 14 is provided with an anti-slip layer 15.

The plurality of clamping parts 6 positioned outside the second disk 3 have different structures, such as circular, arc, circular arc, linear, U-shaped, tooth-shaped and V-shaped cross sections, and the like.

A plurality of first scale marks are arranged on the upper surfaces of the two first disks 2 along the radius direction, and second scale marks are arranged on the upper surfaces of the two second disks 3 along the radius direction.

The working principle is as follows: when in use, two different clamping parts 6 are selected according to the condition that the workpiece contains a plurality of different curved surfaces or planes, such as: when the workpiece is a semi-cylindrical section, the clamping part 6 with a linear section and the clamping part 6 with a circular arc section can be selected, or the clamping part 6 with the linear section and the clamping part 6 with the U-shaped section can be selected to achieve effective fixation, the second disk 3 is rotated to ensure that two selected clamping parts 6 are positioned above the processing groove 12, and when the first scale arranged on the upper surface of the first disc and the second scale mark arranged on the upper surface of the second disc 3 along the radius direction are positioned on the same straight line, namely, the telescopic end of the first cylinder 4 can extend and retract along the inner part of the sliding chute 5 corresponding to the two clamping parts 6 after being extended, so that under the action of the first cylinder 4, the telescopic end of the sliding block is abutted against the sliding block 7 and pushes the sliding block 7 to move along the inner part of the sliding groove 5, and the ejector rod 8 and the clamping parts 6 are sequentially driven to move, so that the two clamping parts 6 are mutually close and fix a workpiece; when the clamping part 6 needs to be replaced or the fixing is completed, the first air cylinder 4 is closed, the first air cylinder 4 contracts, the limiting spring 10 pushes the sliding block back to the original position, meanwhile, the first air cylinder 4 is retracted into the first disc 2, the second disc 3 is rotated to select the required clamping part 6 without being detached, the time is saved, and the efficiency is improved.

It should be noted that when the workpiece includes a curved surface or a flat surface, two clamping portions 6 with the same or different cross sections, such as a cylinder, a cube, a cuboid, a rhomboid, etc., can also be used.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a work piece fixed equipment for numerical control processing, includes workstation (1), its characterized in that: workstation (1) upper surface bilateral symmetry is fixed with first disc (2), second disc (3) have been cup jointed to first disc (2) outside, horizontal fixed mounting has first cylinder (4) in first disc (2), first cylinder (4) flexible end and second disc (3) intercommunication, and two the flexible end level of first cylinder (4) is relative, a plurality of spouts (5) have been seted up along radial direction in second disc (3), be equipped with flexible subassembly in spout (5), flexible subassembly extends to spout (5) external connection has clamping part (6).

2. The workpiece fixing device for numerical control machining according to claim 1, characterized in that: the telescopic assembly comprises a sliding block (7), an ejector rod (8) and a limiting ring (9), wherein the sliding block (7) is connected to one end of the ejector rod (8), the sliding block (7) is adjacent to the first disc (2), the other end of the ejector rod (8) extends to the outside of the second disc (3) and is connected with the clamping part (6), the ejector rod (8) is sleeved with the limiting ring (9), the limiting ring (9) is fixed inside the sliding groove (5), the ejector rod (8) is further sleeved with a limiting spring (10), and the limiting spring (10) is located between the sliding block (7) and the limiting ring (9).

3. The workpiece fixing device for numerical control machining according to claim 2, characterized in that: the sliding block (7) is matched with the sliding groove (5), and the cross section of the sliding groove (5) is a regular polygon.

4. A workpiece holding apparatus for numerical control machining according to claim 1 or 2, characterized in that: the processing tank (12) has been seted up to workstation (1) upper surface, processing tank (12) set up along the fore-and-aft direction, install second cylinder (13) in processing tank (12), the flexible end fixedly connected with processing platform (14) of second cylinder (13).

5. The workpiece fixing device for numerical control machining according to claim 4, characterized in that: the upper surface of the processing table (14) is provided with an anti-skid layer (15).

6. The workpiece fixing device for numerical control machining according to claim 1, characterized in that: the structures of a plurality of clamping parts (6) positioned outside the second disc (3) are different.

7. The workpiece fixing device for numerical control machining according to claim 1, characterized in that: a plurality of first scale marks are arranged on the upper surfaces of the two first disks (2) along the radius direction, and second scale marks are arranged on the upper surfaces of the two second disks (3) along the radius direction.