CN218946458U

CN218946458U - Clamp for machining numerical control die milling machine

Info

Publication number: CN218946458U
Application number: CN202222356881.3U
Authority: CN
Inventors: 叶阳胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-05-02
Anticipated expiration: 2032-09-06

Abstract

The utility model discloses a fixture for machining a numerical control die milling machine, which comprises a base, a hydraulic cylinder, an L-shaped bracket, a screw rod adjusting mechanism and a pressing plate, wherein the hydraulic cylinder is arranged on the base.

Description

Clamp for machining numerical control die milling machine

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp for machining a numerical control die milling machine.

Background

Milling machines mainly refer to machine tools for machining various surfaces of a workpiece by using milling cutters. The milling machine is a machine tool for milling the workpiece by using the milling cutter, the milling machine can mill the plane, the groove, the gear teeth, the threads and the spline shaft, the complex molded surface can be processed, the efficiency is higher than that of a planing machine, the milling machine is widely applied to machine manufacturing and repairing departments, the milling machine cannot be used by a clamp when the milling machine performs the processing operation of the workpiece, and the main purpose of the clamp is to fix the workpiece, so that the tool of the milling machine is convenient to process.

Through retrieval, patent grant publication number CN 216938589U discloses a clamp for machining a numerical control mold milling machine, and the patent describes that "when a workpiece needs to be clamped, a locking screw 9 on a screw of a pressing plate 8 is loosened, then the pressing plate 8 is moved upwards along a movable groove 61, the workpiece is placed on a supporting plate 7 and is positioned right below the pressing plate 8, then the pressing plate 8 is slid down along the movable groove 61 until a pressing unit 10 is tightly attached to the workpiece, and then the locking screw 9 is twisted again, however, the prior art still has the following defects;

1. according to the content recorded in the comparison document, the comparison document can clamp the workpiece through the cooperation of the locking screw and the bolt, the locking screw and the bolt can be adjusted by using special tools, and the operation process is time-consuming and labor-consuming and has low efficiency.

2. The prior art slider lacks to carry out location structure to it, and the slider receives the effect that the work was used on anchor clamps in work piece course of working easily and takes place transverse displacement in the spout, and then leads to the work piece position to change, leads to work piece processing position inaccuracy, and then leads to the defective rate to rise.

Disclosure of Invention

The utility model aims to provide a fixture for machining a numerical control die milling machine, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a fixture is used in numerical control mould milling machine processing, includes base, pneumatic cylinder, L type support, lead screw adjustment mechanism and clamp plate, install the pneumatic cylinder on the base, the top of pneumatic cylinder is connected with the movable table through the piston rod, horizontal spout has been seted up on the lateral wall of movable table, be provided with the slider in the horizontal spout, install fixing screw on the slider, install lock nut on the fixing screw, the lateral wall of slider is connected with L type support, the backup pad is installed to the bottom of L type support, the fixed plate is installed on the upper portion of L type support, install lead screw adjustment mechanism on the fixed plate, the clamp plate is installed to lead screw adjustment mechanism bottom.

As a further scheme of the utility model: the screw rod adjusting mechanism comprises a screw rod nut, a screw rod, a handle and a screw rod bearing, wherein the screw rod nut is embedded in the fixed plate, the screw rod is arranged in the middle of the screw rod nut, the handle is arranged at the top end of the screw rod, and the bottom end of the screw rod is rotationally connected with the screw rod bearing arranged on the pressing plate.

As still further aspects of the utility model: the movable table is provided with a transverse adjusting port which is convenient for the fixing screw to penetrate out.

As still further aspects of the utility model: an end cover is arranged at one end of the movable table, and four corners of the end cover are fixedly connected with the movable table through screws.

As still further aspects of the utility model: one end of the pressing plate is provided with a sliding groove matched with the L-shaped bracket.

As still further aspects of the utility model: mounting holes are formed in four corners of the base.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the screw rod adjusting mechanism is arranged, and can drive the pressing plate to lift and adjust relative to the supporting plate, so that the workpiece processed by milling machines with different sizes is clamped.

2. According to the utility model, the fixing screw and the locking nut are arranged, and the position of the sliding block in the transverse sliding groove can be fixed through the cooperation of the locking nut and the fixing screw, so that the sliding block is prevented from moving in the transverse sliding groove under the action of external force to cause the workpiece to be processed by the milling machine to shift.

Drawings

Fig. 1 is a partial cutaway view of a fixture for numerical control die milling machine machining.

Fig. 2 is a schematic diagram of a three-dimensional structure of a fixture for machining a numerical control die milling machine.

Fig. 3 is an enlarged view of the structure of the fixture for milling the numerical control die at a in fig. 1.

1. A base; 2. a hydraulic cylinder; 3. a movable table; 4. a slide block; 5. a transverse chute; 6. a fixed screw; 7. a lateral adjustment port; 8. a lock nut; 9. an L-shaped bracket; 10. a support plate; 11. a fixing plate; 12. a screw rod adjusting mechanism; 1201. a screw nut; 1202. a screw rod; 1203. a handle; 1204. a screw rod bearing; 13. a pressing plate; 14. an end cap; 15. a mounting hole; 16. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, in the embodiment of the utility model, a fixture for machining a numerical control die milling machine comprises a base 1, a hydraulic cylinder 2, an L-shaped bracket 9, a screw rod adjusting mechanism 12 and a pressing plate 13, wherein the hydraulic cylinder 2 is installed on the base 1, the top of the hydraulic cylinder 2 is connected with a movable table 3 through a piston rod, a lateral sliding groove 5 is formed in the side wall of the movable table 3, a sliding block 4 is arranged in the lateral sliding groove 5, a fixing screw 6 is installed on the sliding block 4, a locking nut 8 is installed on the fixing screw 6, the outer side wall of the sliding block 4 is connected with the L-shaped bracket 9, a supporting plate 10 is installed at the bottom of the L-shaped bracket 9, a fixing plate 11 is installed at the upper part of the L-shaped bracket 9, a screw rod adjusting mechanism 12 is installed on the fixing plate 11, and the pressing plate 13 is installed at the bottom end of the screw rod adjusting mechanism 12.

The screw adjusting mechanism 12 comprises a screw nut 1201, a screw 1202, a handle 1203 and a screw bearing 1204, wherein the screw nut 1201 is embedded in the fixed plate 11, the screw 1202 is arranged in the middle of the screw nut 1201, the handle 1203 is arranged at the top end of the screw 1202, and the bottom end of the screw 1202 is rotationally connected with the screw bearing 1204 arranged on the pressing plate 13.

The movable table 3 is provided with a transverse adjusting opening 7 which is convenient for the fixing screw 6 to pass through, the length of the transverse adjusting opening 7 is equal to that of the transverse chute 5, and the fixing screw 6 can conveniently move transversely.

An end cover 14 is arranged at one end of the movable table 3, four corners of the end cover 14 are fixedly connected with the movable table 3 through screws, and the arrangement of the end cover 14 can facilitate the installation and replacement of the sliding block 4.

One end of the pressing plate 13 is provided with a chute 16 which is matched with the L-shaped bracket 9, and the pressing plate 13 can always move up and down along the L-shaped bracket 9 by arranging the chute 16, so that the pressing plate 13 is prevented from deflecting in the lifting and adjusting process.

Mounting holes 15 are formed in four corners of the base 1, and the base 1 can be conveniently fixed on a milling machine processing platform through the arrangement of the mounting holes 15.

The working principle of the utility model is as follows:

when the movable table 3 is driven by the hydraulic cylinder 2 to lift and adjust along the direction of the guide rod, the sliding block 4 can slide and adjust left and right along the transverse sliding groove 5 at the side part of the movable table 3, after the adjustment is finished, the locking nut 8 is screwed on the fixed screw 6, the fixed screw 6 and the movable table 3 are relatively fixed through the locking nut 8, further, the situation that the sliding block 4 slides in the transverse sliding groove 5 to cause machining failure in the workpiece machining process can be effectively avoided, a workpiece is firstly placed on the supporting plate 10 and is positioned under the pressing plate 13 when the workpiece is required to be clamped, then the handle 1203 is held by hand and rotated, the screw rod 1202 is driven to rotate relative to the screw rod nut 1201 by the handle 1203, the screw rod 1202 is driven to move downwards along the L-shaped bracket 9 and is matched with the supporting plate 10 to clamp the workpiece, and after the workpiece is machined, the workpiece can be loosened by directly reversely rotating the handle 1203, so that a person can conveniently take the workpiece.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a fixture is used in numerical control mould milling machine processing, includes base (1), pneumatic cylinder (2), L support (9), lead screw adjustment mechanism (12) and clamp plate (13), its characterized in that: install pneumatic cylinder (2) on base (1), the top of pneumatic cylinder (2) is connected with movable table (3) through the piston rod, horizontal spout (5) have been seted up on the lateral wall of movable table (3), be provided with slider (4) in horizontal spout (5), install fixing screw (6) on slider (4), install lock nut (8) on fixing screw (6), the lateral wall of slider (4) is connected with L type support (9), backup pad (10) are installed to the bottom of L type support (9), fixed plate (11) are installed on the upper portion of L type support (9), install lead screw adjustment mechanism (12) on fixed plate (11), clamp plate (13) are installed to lead screw adjustment mechanism (12) bottom.

2. The fixture for machining a numerical control die milling machine according to claim 1, wherein: the screw rod adjusting mechanism (12) comprises a screw rod nut (1201), a screw rod (1202), a handle (1203) and a screw rod bearing (1204), wherein the screw rod nut (1201) is embedded in the fixed plate (11), the screw rod (1202) is arranged in the middle of the screw rod nut (1201), the handle (1203) is arranged at the top end of the screw rod (1202), and the bottom end of the screw rod (1202) is rotationally connected with the screw rod bearing (1204) arranged on the pressing plate (13).

3. The fixture for machining a numerical control die milling machine according to claim 1, wherein: the movable table (3) is provided with a transverse adjusting opening (7) which is convenient for the fixing screw (6) to pass through.

4. The fixture for machining a numerical control die milling machine according to claim 1, wherein: an end cover (14) is arranged at one end of the movable table (3), and four corners of the end cover (14) are fixedly connected with the movable table (3) through screws.

5. The fixture for machining a numerical control die milling machine according to claim 1, wherein: one end of the pressing plate (13) is provided with a chute (16) which is matched with the L-shaped bracket (9).

6. The fixture for machining a numerical control die milling machine according to claim 1, wherein: four corners of the base (1) are provided with mounting holes (15).