CN215698311U

CN215698311U - Multifunctional positioning fixture for milling machine

Info

Publication number: CN215698311U
Application number: CN202122213726.1U
Authority: CN
Inventors: 崔普尧
Original assignee: Shijiazhuang Yaoding Mechanical Equipment Co ltd
Current assignee: Shijiazhuang Yaoding Mechanical Equipment Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-01
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to the technical field of milling machine fixtures, in particular to a multifunctional positioning fixture for a milling machine. The movable workbench is rotated by the pushing device on the fixed workbench, so that parts can be rotationally processed at fixed points, and the requirement of actual production is met; through utilizing the auxiliary clamping plate which is provided with the detachable structure between the clamping blocks, the clamping stability for clamping irregular parts is greatly improved.

Description

Multifunctional positioning fixture for milling machine

Technical Field

The utility model relates to the technical field of milling machine fixtures, in particular to a multifunctional positioning fixture for a milling machine.

Background

Milling machines (milling machines) are generally machine tools that use milling cutters to machine various surfaces of a workpiece. 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 for milling a workpiece by using a milling cutter. The milling machine can mill planes, grooves, gear teeth, threads and spline shafts, can also process complex molded surfaces, has higher efficiency than a planer, and is widely applied to mechanical manufacturing and repairing departments.

Milling machine fixture is often used to milling machine processing part, and traditional milling machine fixture when centre gripping has thickness and anomalous part, because the defect of self structure can lead to the centre gripping insecure, and then causes milling cutter to add and to appear great deviation man-hour, finally influences the product quality of part.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a multifunctional positioning fixture for a milling machine, aiming at the technical defects, the rotation of a movable workbench is realized by utilizing a pushing device on a fixed workbench, so that parts can be rotationally processed at fixed points, and the requirement of actual production is met; through utilizing the auxiliary clamping plate which is provided with the detachable structure between the clamping blocks, the clamping stability for clamping irregular parts is greatly improved.

In order to realize the purpose of the utility model, the utility model adopts the technical scheme that: the utility model provides a milling machine is with multi-functional positioning fixture, includes fixed station, its characterized in that, fixed station's side is connected with the movable table through gear revolve, the last thrust unit that is provided with of fixed station, thrust unit's flexible end is connected with the rack, the rack is on a parallel with fixed station and with gear engagement links to each other, the symmetry is equipped with the clamp splice on the movable table, can dismantle between the clamp splice and be connected with supplementary splint.

Further optimize this technical scheme, the outside of rack is equipped with the guard box, thrust unit is the cylinder.

Further optimize this technical scheme, the clamp splice is including the locating lever, the clamp splice passes through the sliding tray and is in slide on the locating lever.

Further optimize this technical scheme, wherein the top end threaded connection of one of the clamp splice has the screw rod, another the location sliding connection of clamp splice has the slide bar.

Further optimize this technical scheme, the screw rod with the lock is connected with on the slide bar auxiliary splint.

Further optimize this technical scheme, the top of screw rod is equipped with star type handle.

The utility model has the beneficial effects that: the movable workbench is rotatably connected to the fixed workbench, a gear for controlling the movable workbench to rotate is arranged on the side face of the fixed workbench, a rack for driving the movable workbench to rotate is further arranged on the fixed workbench, and one end of the rack is connected with the pushing device, so that the function of rotating the movable workbench by means of bidirectional movement of the pushing device is realized, and requirements of workers in part processing are greatly facilitated; through releasable connection's auxiliary splint between the clamp splice for anchor clamps can rely on auxiliary splint to support the machined surface of part when the irregular part of centre gripping, and the grip function of cooperation clamp splice has realized the purpose of stabilizing the irregular part of centre gripping, thereby has guaranteed the processingquality of part.

Drawings

FIG. 1 is a schematic view showing the overall structure of a multifunctional positioning jig for a milling machine in the embodiment;

FIG. 2 is a side sectional view of a multifunctional positioning jig for a milling machine in an embodiment;

FIG. 3 is a schematic view showing a rotation state of a large milling machine in the embodiment.

In the figure: 1 represents a fixed table; 2 represents a gear; 3 represents a movable workbench; 4 represents a pushing device; 5 represents a rack; 6 represents a clamping block; 7 represents an auxiliary splint; 8 represents a protection box; 9 represents a positioning rod; 10 denotes a sliding groove; 11 represents a screw; 12 represents a slide bar; and 13 represents a star handle.

Detailed Description

In order to make the technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The utility model provides a multifunctional positioning fixture for a milling machine, as shown in fig. 1 to 3, fig. 1 is a schematic view of the overall structure of the multifunctional positioning fixture for the milling machine in the embodiment, wherein the multifunctional positioning fixture comprises a fixed workbench 1, the middle part of the fixed workbench 1 is rotatably connected with a movable workbench 3, a gear 2 is arranged at the joint of the fixed workbench 1 and the movable workbench 3 and positioned on the side surface of the fixed workbench 1, the movable workbench 3 can rotate along with the rotation of the gear 2, a protection box 8 is arranged on the side surface of the fixed workbench 1, a pushing device 4 is arranged on the side surface of the protection box 8, the embodiment is preferably an air cylinder, and the pushing device 4 and the protection box 8 are positioned above the gear 2; the movable workbench 3 is symmetrically provided with clamping blocks 6 for clamping and fixing a part to be processed, the clamping blocks 6 are arranged on the movable workbench 3 through positioning rods 9, and sliding grooves 10 are formed at the connecting positions of the clamping blocks 6 and the positioning rods 9, so that the clamping blocks 6 can reciprocate around the positioning rods 9 through the sliding grooves 10, namely the clamping blocks 6 can be close to or far away from the positioning rods 9; one clamping block 6 is further provided with a screw rod 11, the top end of the screw rod 11 is provided with a star-shaped handle 13 convenient to use, the bottom end of the other clamping block 6 between the two sliding rods 12 is detachably connected with an auxiliary clamping block 7 in a buckling mode and used for fixing the processing surface of an irregular part, and the purpose of stably clamping and fixing the irregular part is achieved.

Fig. 2 is a side sectional view of the multifunctional positioning fixture for a milling machine in the embodiment, wherein a mechanism for driving the movable table 3 to rotate is arranged inside the protection box 8, the pushing device 4 is connected with the rack 5 through the protection box 8, the rack 5 is meshed with the gear 2, and when the pushing device 4 moves, the rack 5 is driven to move, and then the gear 2 is pulled to rotate, so that the rotating operation of the movable table 3 is completed.

Fig. 3 is a schematic view of a rotation state of the large milling machine in the embodiment, and it can be known from the figure that the movable table 3 can rotate through the structure of the rack 5 and the gear 2, so that the fixed table 1 and the movable table 3 rotate relatively to meet the requirement of processing each angle of the part in an actual processing process.

The working principle of the utility model is as follows: placing irregular parts on the movable workbench 3, adjusting the position of the clamping block 6 to enable the irregular parts and the clamping block to clamp the parts at proper positions to the maximum extent, then rotating the star-shaped handle 13 to enable the screw rod 11 to rotate downwards and simultaneously drive the auxiliary clamping plate 7 to move downwards for fixing the upper surfaces of the machined parts, wherein the three surfaces are in contact to keep the parts stably clamped, the auxiliary clamping plate 7, the screw rod 11 and the sliding rod 12 are detachably connected, and when parts with higher heights are encountered, the auxiliary clamping plate can be detached and only the clamping block is used for clamping and fixing; then, according to the requirement, the movable workbench 3 is rotated, the pushing device 4 is started, the pushing device 4 drives the rack 5 to perform telescopic motion, and the rack 5 drives the gear 2 to rotate, so that the movable workbench 3 is rotated.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification made without departing from the spirit and scope of the present invention represents an equivalent substitution representing improvement and the like, and shall be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundary of the appended claims or the equivalents of such scope and boundary.

Claims

1. The utility model provides a milling machine is with multi-functional positioning fixture, includes fixed station (1), its characterized in that, the side of fixed station (1) is rotated through gear (2) and is connected with movable table (3), be provided with thrust unit (4) on fixed station (1), the flexible end of thrust unit (4) is connected with rack (5), rack (5) are on a parallel with fixed station (1) and with gear (2) meshing links to each other, the symmetry is equipped with clamp splice (6) on movable table (3), can dismantle between clamp splice (6) and be connected with supplementary splint.

2. The multifunctional positioning fixture for the milling machine according to claim 1, characterized in that: and a protection box (8) is arranged outside the rack (5), and the pushing device (4) is a cylinder.

3. The multifunctional positioning fixture for the milling machine according to claim 1, characterized in that: the clamping block (6) comprises a positioning rod (9), and the clamping block (6) slides on the positioning rod (9) through a sliding groove (10).

4. The multifunctional positioning fixture for the milling machine according to claim 1, characterized in that: the top end of one clamping block (6) is in threaded connection with a screw rod (11), and the other clamping block (6) is in positioning sliding connection with a sliding rod (12).

5. The multifunctional positioning fixture for the milling machine according to claim 4, characterized in that: the screw rod (11) and the sliding rod (12) are connected with the auxiliary clamping plate (7) in a buckling mode.

6. The multifunctional positioning fixture for the milling machine according to claim 4, characterized in that: the top end of the screw rod (11) is provided with a star-shaped handle (13).