CN102501108A - Multi-workpiece fixture of machine tool - Google Patents

Abstract

The invention discloses a multi-workpiece fixture for a machine tool, which comprises a base plate, a front baffle, a rear baffle and a slanted block tie rod; the front baffle and the rear baffle are laterally distributed and connected to the surface of the base plate, and The lower part is provided with a longitudinal first through hole, and the lower part of the tailgate is provided with a third through hole concentric with the first through hole; the inclined block pull rod is: a wedge with a slider connected to one end of the screw rod The slider is slidingly matched with the first through hole, and the other end of the screw rod is provided with a fastening device between the rear baffle, and the other end of the screw rod passes through the third through hole and is connected with the rear baffle through the fastening device. The invention applies the tensioning principle of the inclined block to the clamp of the machine tool, and the clamp is fixed on the working table of the machine tool, and multiple workpieces can be clamped at one time, the machining tool is stable, the labor intensity is reduced, and the work efficiency is improved by 2-3 times.

Description

A multi-workpiece fixture for a machine tool

technical field

The invention relates to a machine tool fixture, which is suitable for clamping a plurality of workpieces on a common machine tool workbench at one time.

Background technique

Using a vise to clamp a special-shaped workpiece on an ordinary machine tool workbench often cannot complete the processing at one time. It needs to change the position of the workpiece in the middle and reposition it. .

Contents of the invention

The technical problem to be solved by the invention is to provide a multi-workpiece fixture for a machine tool which is convenient for clamping workpieces, accurate in positioning, and improves production efficiency.

In order to solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a multi-workpiece fixture for machine tools, characterized in that it includes a base plate, a front baffle, a rear baffle and an inclined block tie rod; the front baffle and the rear baffle are The plates are distributed laterally and connected to the surface of the base plate, the lower part of the front baffle is provided with a first longitudinal through hole, and the lower part of the rear baffle is provided with a third through hole concentric with the first through hole; the inclined block The pull rod is as follows: a wedge with a slider is connected to one end of the screw; the slider is slidably matched with the first through hole, and a fastening device is provided between the other end of the screw and the rear baffle, and the other end of the screw passes through The third through hole is connected with the tailgate through a fastening device.

A further improvement to the present invention is that: the fastening device is a sliding fit between the third through hole and the screw, and a fastening nut is provided on the external thread at the other end of the screw; the fastening device is a third through hole. There is a screw thread matched with the screw rod, one end of the screw rod is rotationally connected with the wedge and the head of the other end is provided with a fastening square head; Groove; a middle baffle is arranged transversely between the front baffle and the rear baffle and connected to the surface of the base plate, the lower part of the middle baffle is provided with a second through hole concentric with the first through hole, and the screw The other end of the other end passes through the second through hole; grooves are respectively provided on the facing surfaces between the front baffle and the middle baffle; grooves or holes fixed to the working table of the machine tool are provided on the base plate; The cross section of the first through hole at the lower part of the front baffle and the cross section of the slider of the inclined block tie rods are both rectangular; the inclined block tie rods are arranged in more than two rows.

The beneficial effect produced by adopting the above-mentioned technical solution is that: applying the tensioning principle of the inclined block to the fixture, multiple workpieces can be clamped at one time, the tool-feed processing is stable, the work efficiency is greatly improved, and the labor intensity is reduced. the

Description of drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is the front view of the present invention;

Fig. 2 is the left side view that the present invention is fixed on the milling machine table top;

As shown in the figure: 1 front baffle, 2 middle baffle, 3 rear baffle, 4 inclined block tie rod, 5 bolt, 6 base plate, 7 workpiece, 8 milling cutter, 9 milling machine, 10 first through hole, 11 first Two through holes, 12 third through holes.

Detailed ways

The operation and use steps of the present invention are illustrated in conjunction with the accompanying drawings:

Embodiment 1: A multi-workpiece fixture for a machine tool, including a base plate 6, a front baffle 1, a rear baffle 3, and a slanted block tie rod 4; the front baffle 1 and the rear baffle 3 are laterally distributed and connected to the surface of the base plate 6 , the bottom of the front baffle 1 is provided with a longitudinal first through hole 10, and the bottom of the rear baffle 3 is provided with a third through hole 12 concentric with the first through hole 10; the inclined block pull rod 4 is : the wedge with the slide block is connected with one end of the screw rod 5; the slide block is slidably fitted with the first through hole 10; The other end passes through the third through hole 12 and is connected with the tailgate 3 through a fastening device. The fastening device is that the third through hole 12 is slidingly fitted with the screw rod 5, and the external thread at the other end of the screw rod 5 is equipped with a fastening nut; the fastening device is that the third through hole 12 is provided with the screw rod 5. Matching threads, one end of the screw rod 5 is rotationally connected with the wedge and the head at the other end is provided with a fastening square head; Groove; the middle baffle 2 is arranged transversely between the front baffle 1 and the rear baffle 3 and is connected to the surface of the base plate 6, and the bottom of the middle baffle 2 is provided with a second hole concentric with the first through hole 10. Through hole 11, the other end of the screw rod 5 passes through the second through hole 11; grooves are respectively provided on the facing surfaces between the front baffle 1 and the middle baffle 2; the base plate 6 is provided with A groove or a hole fixed to the working surface of the machine tool; the section of the first through hole 10 at the bottom of the front baffle plate 1 and the cross section of the slider of the slanting block tie rod 4 are all rectangular; the slanting block tie rods 4 are arranged in two or more .

Fix the fixture on the workbench of the milling machine 9, place a plurality of workpieces 7 in the groove between the front baffle 1 and the rear baffle 3, tighten the bolts 5 through nuts or directly tighten the bolts 5, the inclined block pull rod The wedge of 4 lifts the workpiece 7 and clamps and fixes it, and the milling cutter 8 can mill a plurality of workpieces 7 .

Embodiment 2: Fix the fixture on the workbench of the milling machine 9, and tighten a plurality of workpieces 7 in the groove between the front baffle 1 and the middle baffle 2, and the rest of the operation methods are the same as in the first embodiment.

Embodiment three: this clamp can also be fixed on bull planer and other lathe workbenches and process, and all the other modes of operation are identical with embodiment one.

Claims (8)

1. A multi-workpiece fixture for a machine tool, characterized in that it includes a base plate (6), a front baffle (1), a rear baffle (3) and an inclined block tie rod (4); the front baffle (1) and The rear baffle (3) is horizontally distributed and connected to the surface of the base plate (6), the lower part of the front baffle (1) is provided with a longitudinal first through hole (10), and the lower part of the rear baffle (3) is provided with There is a third through hole (12) concentric with the first through hole (10); the inclined block rod (4) is: a wedge with a slider connected to one end of the screw rod (5); the slider and The first through hole (10) is slidingly fitted, and a fastening device is provided between the other end of the screw rod (5) and the tailgate (3), and the other end of the screw rod (5) passes through the third through hole (12) and passes through The fastening device is connected with the tailgate (3). 2. A machine tool multi-workpiece fixture according to claim 1, characterized in that: the fastening device is a sliding fit between the third through hole (12) and the screw (5), and the other end of the screw (5) The external thread is equipped with a fastening nut. 3. A machine tool multi-workpiece fixture according to claim 1, characterized in that: the fastening device is provided with a thread matched with the screw (5) in the third through hole (12), and the screw (5) ) is rotationally connected to the wedge and the head of the other end is provided with a fastening square head. 4 . The multi-workpiece fixture for machine tools according to claim 1 , characterized in that grooves are respectively provided on the facing surfaces between the front baffle ( 1 ) and the rear baffle ( 3 ). 5. A multi-workpiece fixture for machine tools according to claim 1, characterized in that: a middle baffle (2) is arranged transversely between the front baffle (1) and the rear baffle (3) and connected to the base On the surface of the plate (6), the lower part of the middle baffle (2) is provided with a second through hole (11) concentric with the first through hole (10), and the other end of the screw (5) passes through the second through hole (11); Grooves are respectively provided on the facing surfaces between the front baffle (1) and the middle baffle (2). 6. A machine tool multi-workpiece fixture according to claim 1, characterized in that: the base plate (6) is provided with a groove or a hole fixed to the machine table. 7. The multi-workpiece fixture for machine tools according to claim 1, characterized in that: the cross section of the first through hole (10) at the lower part of the front baffle (1) and the cross section of the slider of the inclined block tie rod (4) are rectangular. 8. A multi-workpiece fixture for machine tools according to claim 1, 2, 3, 4, 5, 6 or 7, characterized in that: the inclined block tie rods (4) are arranged in more than two rows.

Images