CN220943333U - Shifting block milling flat square positioning device - Google Patents

Abstract

The utility model discloses a flat square positioning device of a shifting block milling machine, which comprises a positioning table, wherein two sides of the positioning table are symmetrically provided with bosses respectively, a groove is formed between the two bosses, a cavity is formed right below the two bosses, two notches are symmetrically formed on the two bosses respectively, fixing blocks matched with the notches are arranged on the notches, a shoulder pole beam is arranged in the cavity, two ends of the shoulder pole beam penetrate through the bosses through connecting shafts to be connected with the fixing blocks, a threaded hole is formed between the two notches of the boss, a screw rod matched with the threaded hole is arranged on the threaded hole, the bottom of the screw rod is connected with the shoulder pole beam, and a supporting position and a dividing head position are respectively arranged on the left side and the right side of the positioning table. The clamping method of the shifting block is simpler and is beneficial to improving the processing efficiency.

Description

Shifting block milling flat square positioning device

Technical Field

The utility model relates to the technical field of shifting block machining, in particular to a flat square positioning device for shifting block milling.

Background

When the flat side is milled by the shifting block, the traditional processing method uses a three-jaw chuck for clamping because the size of the product of the shifting block is small, the processing positions are more and the pin cutting amount is large, only one product can be processed at a time, the milling side processing efficiency is low, the workpiece is easy to loosen after the cutter is worn, the quality of the product is not beneficial to being improved, and meanwhile, the production efficiency is also not beneficial to being improved.

The patent with publication number CN214292068U discloses a rapid positioning device for milling flat sides of a shifting block, wherein a fixing device on one side of the rapid positioning device is detachable, and the working procedure is complex when the shifting block is clamped; the workpiece is pressed through the second pressing plate 83 and the notch 10, and the bottom of the second pressing plate 83 is a plane, so that the pressing state is poor, and the workpiece can rotate during machining.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a flat square positioning device for a shifting block milling machine, which comprises a positioning table, wherein bosses are symmetrically arranged on two sides of the positioning table respectively, a groove is formed between the two bosses, a cavity is formed right below the two bosses, two notches are symmetrically arranged on the two bosses respectively, a fixed block matched with the notches is arranged on the notches, a shoulder pole beam is arranged in the cavity, two ends of the shoulder pole beam penetrate through the bosses through connecting shafts to be connected with the fixed block, a threaded hole is formed between the two notches of the boss, a screw rod matched with the threaded hole is arranged on the threaded hole, the bottom of the screw rod is connected with the shoulder pole beam, and a supporting position and an indexing head position are respectively arranged on the left side and the right side of the positioning table.

In order to facilitate the rotation of the screw, a nut is arranged at the top of the screw.

In order to facilitate the pressing and fixing of the shifting blocks at two ends of the fixing block, the fixing block is of an isosceles trapezoid structure with wide upper part and narrow lower part.

In order to facilitate the lifting of the fixed block after the machining is finished, the next shifting block to be machined is prevented, a reset spring is arranged on the upper half part of the connecting shaft, and the top end of the reset spring is contacted with the lower bottom surface of the fixed block.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, an integrated structure is adopted, the shoulder pole beam is driven to descend by the descending of the screw rod, and then the fixed block is driven to fix the shifting block, so that the mode of clamping the shifting block is simpler, and the processing efficiency is improved. Meanwhile, the fixed block is of an isosceles trapezoid structure with the upper part wide and the lower part narrow, the fixed block and the bottom surface and the side surface of the notch jointly compress the shifting block, the compressing effect is better, and during processing, workpieces cannot rotate, so that the processing quality is improved.

Drawings

Fig. 1 is a schematic structural view of a base of the present utility model.

Fig. 2 is a schematic side view of the structure of fig. 1.

In the figure: the device comprises a positioning table 1, a boss 2, a groove 3, a fixed block 4, a notch 5, a shoulder pole beam 6, an indexing head position 7, a nut 8, a supporting position 9, a connecting shaft 10, a return spring 11 and a screw 12.

Description of the embodiments

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.

In fig. 1 and 2, a flat square positioner is milled to shifting block, its constitution includes locating table 1, the both sides of locating table 1 are provided with boss 2 respectively symmetrically, two form recess 3 between the boss 2, two be provided with the cavity under boss 2, two be provided with two breach 5 respectively symmetrically on boss 2, be provided with rather than matched with fixed block 4 on the breach 5, be provided with shoulder pole roof beam 6 in the cavity, the both ends of shoulder pole roof beam 6 are passed boss 2 through connecting axle 10 and are connected with fixed block 4, are provided with the screw hole between two breach 5 of boss 2, be provided with on the screw hole rather than matched with screw rod 12, the bottom of screw rod 12 is connected with shoulder pole roof beam 6, the left and right sides of locating table 1 is provided with supporting position 9 and dividing head position 7 respectively.

Further, a screw cap 8 is provided on the top of the screw 12.

Further, the fixing block 4 is of an isosceles trapezoid structure with a wide upper part and a narrow lower part.

Further, the upper half part of the connecting shaft 10 is provided with a return spring 11, and the top end of the return spring 11 is in contact with the lower bottom surface of the fixed block 4.

When the clamp is used, the screw 12 is in a state of not facing the shoulder pole beam 6, at the moment, the fixed block 4 is in a lifting state under the action of the reset spring 11, two ends of a workpiece to be processed are placed in the notch 5, at the moment, the screw 12 is rotated, the screw is rotated to drive the shoulder pole beam 6 to descend, the shoulder pole beam 6 is driven to drive the fixed block 4 to descend, the fixed block 4 is in an isosceles trapezoid shape, and the workpiece pressing effect on two ends of the fixed block 4 is better. The device can be used for installing a plurality of workpieces at one time, and is beneficial to improving the processing efficiency. After the machining is finished, the screw rod 12 is reversely rotated, and the fixed block 4 is lifted under the action of the reset spring 11, so that the machined workpiece can be conveniently taken down.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (4)

1. The utility model provides a shifting block mills flat side positioner, its constitution includes locating station (1), its characterized in that: the utility model discloses a positioning table, including boss (2), screw hole, screw rod (12), support position (9) and index head position (7) are provided with respectively to both sides symmetry respectively be provided with boss (2), two between boss (2) be provided with recess (3), two be provided with the cavity under boss (2), two on boss (2) symmetry respectively be provided with two breach (5), be provided with on breach (5) rather than matched with fixed block (4), be provided with shoulder pole beam (6) in the cavity, the both ends of shoulder pole beam (6) pass boss (2) through connecting axle (10) and are connected with fixed block (4), be provided with the screw hole between two breach (5) of boss (2), be provided with on the screw hole rather than matched with screw rod (12), the bottom and the shoulder pole beam (6) of screw rod (12) are connected, the left and right sides of positioning table (1) are provided with support position (9) and index head position (7) respectively.

2. The dial block milling square positioning device according to claim 1, wherein: the top of the screw rod (12) is provided with a screw cap (8).

3. The dial block milling square positioning device according to claim 1, wherein: the fixed block (4) is of an isosceles trapezoid structure with a wide upper part and a narrow lower part.

4. The dial block milling square positioning device according to claim 1, wherein: the upper half part of the connecting shaft (10) is provided with a return spring (11), and the top end of the return spring (11) is contacted with the lower bottom surface of the fixed block (4).