CN104001824A - Automatic feeder for punch press - Google Patents

Abstract

The invention relates to a punching machine, and discloses an automatic feeding machine for a punching machine, which includes a stamping base set on the punching machine and a feeder cylinder set above the punching base, and both ends of the feeder cylinder are provided with rack mounting cylinders , There are racks on both sides of the punching machine, vertical motors are arranged on the racks, and the longitudinal screw and the first nut form the first screw nut pair; the horizontal motor and the horizontal screw are installed in the feeder column, and the fixed screw is also included. The protective cover arranged on the stamping base, the horizontal lead screw and the second nut form a second lead screw nut pair; the protective cover is provided with three mechanical air claws. The invention is applied to the continuous transportation of workpieces of multi-station punching machines, and has high processing efficiency. Due to the adoption of a large-span fuselage body, it can be appropriately expanded according to the number of punching stations; in addition, it can be equipped with different machines for different workpieces. The clamping device has high flexibility; it is synchronously driven by double servo motors, with strong power, and can transport large-sized workpieces.

Description

Punch automatic feeder

technical field

The invention relates to a punching machine, in particular to an automatic feeding machine for a punching machine.

Background technique

At present, most ordinary punching machines are almost all manually operated, manual feeding, manual stamping, low efficiency, uneven quality, and manual feeding and stamping are very dangerous, frequent industrial accidents, and workers' personal safety cannot be guaranteed. Therefore it is necessary to study an automatic feeder that can automatically perform operations such as feeding, punching and trimming, pressing blades, and bending.

Contents of the invention

The object of the present invention is to provide an automatic feeder for a punching machine that can automatically perform operations such as feeding, punching and trimming, pressing blades, and bending.

In order to solve the above technical problems, the present invention is solved through the following technical solutions:

Punch automatic feeding machine, including the stamping abutment set on the punching machine and the feeder cylinder set above the punching abutment, both ends of the feeder cylinder are equipped with rack mounting cylinders, and both sides of the punching machine are equipped with racks , a vertical motor is arranged on the frame, a longitudinal lead screw is arranged below the vertical motor, a first nut is fixed on the frame mounting column, the first nut is inserted into the longitudinal lead rod, and the longitudinal lead screw and the first nut form a The first lead screw and nut pair; a horizontal motor and a horizontal lead screw are arranged in the feeder cylinder, and a shield fixed on the stamping base is also included. The second nut is fixed on the shield, and the second nut is inserted into the transverse wire. The horizontal lead screw and the second nut form a second lead screw nut pair; three mechanical air claws are arranged on the shield, and the mechanical air claws include a clamping cylinder for driving the mechanical air claws, a rotating shaft connected to the clamping cylinder and The short arm of the mechanical air gripper connected to the rotating shaft.

Preferably, three sequentially arranged stations are arranged on the stamping base, which are respectively named as the first station, the second station and the third station.

Preferably, a feeding station is arranged before the first station.

As a preference, a horizontal slide rail is provided below the feed station, and a horizontal slide block matched with the horizontal slide rail is provided at the lower end of the feed station, and the feed station moves in the horizontal direction through the cooperation of the horizontal slide block and the horizontal slide rail .

Preferably, the stamping base is provided with a cylinder mounting block, and the horizontal slide rail is arranged on the cylinder mounting block.

Preferably, a feed cylinder is also included, the feed cylinder is fixedly connected with the cylinder mounting block, and the feed station is connected with the cylinder shaft of the feed cylinder.

Preferably, the frame is provided with a longitudinal slide rail, and the longitudinal slide rail is arranged beside the longitudinal lead screw, and a longitudinal slide block cooperating with the longitudinal slide rail is fixedly mounted on the frame mounting column.

Preferably, a transverse slider is installed on the shield, and a transverse slide rail cooperating with the transverse slider is provided on the main body of the feeder.

The present invention has the following advantages:

1. The present invention is applied to the continuous delivery of workpieces of multi-station punching machines, and the processing efficiency is high. Due to the adoption of a large-span fuselage body, it can be expanded appropriately according to the number of punch stations. For example, when a workpiece requires 4 processes, while arranging four stations, a mechanical clamping mechanism can be added to the feeder to easily complete the delivery of the workpiece. In addition, for different workpieces, different mechanical clamping devices can be equipped with high flexibility.

2. Synchronously driven by dual servo motors, the power is strong, and it can transport large-sized workpieces.

For feeder accuracy and vibration problems:

1. Due to the large span and high quality of the feeder in the vertical direction, it adopts dual motor drive to increase power. The force in the horizontal direction is small, and it is driven by a single motor.

2. In order to ensure the rigidity of the fuselage, the feeder column is made of channel steel and the rack installation column is made of square steel. Both ends of the feeder cylinder are welded with connection plates, and one end of the rack installation cylinder is welded with a connection plate, and the feeder cylinder and the rack installation cylinder are connected by bolts and connection plates.

3. In order to suppress the vibration of the first nut and the second nut, two sets of slide rail sliders are equipped for each screw and nut structure in the feeder; and a set of slide rail sliders includes a slide rail and a slide rail block, with guaranteed accuracy.

Description of drawings

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

FIG. 2 is a partial sectional view of FIG. 1 .

Fig. 3 is an enlarged view of part A of Fig. 2 .

Figure 4 is a partial cross-sectional view of the rack mount column.

Figure 5 is a top view of the present invention.

The names of the parts indicated by the numbers in the attached drawings are as follows: 1—stamping base, 2—feeder cylinder, 3—rack installation cylinder, 4—frame, 5—motor mounting frame, 6—vertical Straight motor, 7—longitudinal screw, 8—first coupling, 9—first nut, 10—longitudinal slide rail, 11—horizontal motor, 12—horizontal screw, 13—screw seat, 14—second Coupling, 15—shield, 16—second nut, 17—transverse slider, 18—transverse slide rail, 19—clamping cylinder, 20—rotating shaft, 21—short arm of mechanical air claw, 22—mechanical finger, 23—first station, 24—second station, 25—third station, 26—feeding station, 27—horizontal slide rail, 28—cylinder mounting block, 29—feeding cylinder, 30—push plate , 31—discharge chute, 32—horizontal slide block, 33—discharge cylinder, 34—longitudinal slide block.

Detailed ways

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

Example 1

The punch automatic feeder, as shown in Figures 1 to 5, includes a punching base 1 set on the punching machine, a feeder cylinder 2 arranged above the punching base 1, the feeder cylinder 2 is channel steel, and the feeder Cylinder 2 two ends are all provided with frame installation cylinder 3, and frame installation cylinder 3 all adopts square steel, and both sides of punch press are all fixedly provided with frame 4, and frame 4 is fixedly provided with motor mounting frame 5, and motor The mounting frame 5 is provided with a vertical motor 6, and also includes a longitudinal lead screw 7 arranged below the vertical motor 6. The motor shaft of the vertical motor 6 is connected with the longitudinal lead screw 7 by the first coupling 8, and the square steel The first nut 9 is fixedly installed, and the first nut 9 is inserted into the longitudinal screw, and the longitudinal screw 7 and the first nut 9 form a first screw nut pair, which can convert the rotation motion of the vertical motor 6 into the first nut 9 linear motions. The frame 4 is provided with two longitudinal slide rails 10, and the two longitudinal slide rails 10 are arranged on both sides of the longitudinal lead screw 7 respectively. Can slide on the vertical slide rail 10. When the vertical motor 6 rotates, the longitudinal screw mandrel can be rotated, and the longitudinal screw mandrel drives the first nut 9 to move along the longitudinal screw mandrel, so that the square steel can be moved vertically, thereby dragging the feeder main body in the vertical direction. direction to move.

The feeder cylinder 2 is provided with a horizontal motor 11, a horizontal screw 12 and a screw seat 13, one end of the horizontal screw 12 is installed in the screw seat 13, and the motor shaft of the horizontal motor 11 is connected to the horizontal motor 11 through the second coupling 14. Leading screw 12 links. It also includes a shield 15 fixedly arranged on the stamping base 1, on which the second nut 16 is fixed, and the second nut 16 is inserted into the horizontal screw 12, and the horizontal screw 12 and the second nut 16 form a second The lead screw nut pair can convert the rotary motion of the horizontal motor 11 into the linear motion of the second nut 16 . A horizontal slide block 17 is fixedly installed on the shield 15 , and the feeder main body is provided with a horizontal slide rail 18 cooperating with the horizontal slide block 17 , and the horizontal slide block 17 can slide on the horizontal slide rail 18 . When the horizontal motor 11 rotates, the horizontal screw can be rotated, so that the horizontal screw 12 and the second nut 16 move toward each other, and the feeder cylinder 2 can be moved linearly in the horizontal direction.

Three mechanical air claws are provided on the shield 15, and the mechanical air claws include a clamping cylinder 19 for driving the mechanical air claws, a rotating shaft 20 connected to the clamping cylinder 19 and a short arm 21 of the mechanical air claws connected with the rotating shaft 20, when When the clamping cylinder 19 expands and contracts, the rotating shaft 20 rotates, and the short arm 21 of the mechanical air claw can be dragged to rotate around the rotating shaft 20, and then the mechanical fingers 22 are opened and closed to complete the action of clamping the workpiece.

Horizontal motor 11 and vertical motor 6 all adopt servo motors.

The punching process to be carried out by the punching machine is divided into three steps: punching and trimming; pressing blade; bending. Therefore, in the present embodiment, it is proposed that three stations arranged in sequence are arranged on the stamping base 1, which are respectively named as the first station 23, the second station 24 and the third station 25. Complete on the first station 23, the second station 24, and the third station 25. In addition to these three stations, a feeding station 26 is added before the first station 23 for the convenience of punching and feeding. Below the feeding station 26, a horizontal slide rail 27 is provided, and the lower end of the feeding station 26 is provided with a horizontal slider 32 cooperating with the horizontal slide rail 27. The horizontal slider 32 is fixed on the lower end of the feeding station 26, and the horizontal slider 32 Can slide along horizontal slide rail 27. The stamping base 1 is provided with a cylinder installation block 28, and the horizontal slide rail 27 is arranged on the cylinder installation block 28, and also includes a feed cylinder 29, which is fixedly connected with the cylinder installation block 28, and the feed station 26 is connected with the feed cylinder. The cylinder axis of material cylinder 29 is connected, can realize the movement of horizontal slide rail 27 horizontal directions.

For the processed workpiece, a discharge mechanism driven by the discharge cylinder 33 is designed. Discharge cylinder 33 is installed in the 3rd station 25 rear sides, and the 3rd station 25 front sides is provided with push plate 30, and push plate 30 is fixedly connected with the cylinder shaft of discharge cylinder 33, and the 3rd station 25 rear sides are also provided with Discharge chute 31 is arranged. The discharge cylinder 33 telescopically can drag the push plate 30 to push the processed workpiece out of the third station 25, and push it onto the discharge chute 31, and the workpiece slides out of the punch press by gravity.

The punch automatic feeder is suspended on both sides of the punch and driven by a servo motor. The vertical movement of the punch automatic feeder is transformed by the servo motor on both sides dragging the longitudinal screw 7; the horizontal movement is obtained by the horizontal servo The motor drives the horizontal lead screw 12 to transform; the clamping and loosening of the workpiece is realized by the action of mechanical air claws.

In a word, the above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the patent of the present invention.

Claims (3)

1. automatic feeder for punch, it is characterized in that: comprise the punching press base station (1) being arranged on punch press and be arranged on the feeder cylinder (2) of punching press base station (1) top, feeder cylinder (2) two ends are equipped with frame cylinder (3) are installed, punch press both sides are equipped with frame (4), frame (4) is provided with vertical motor (6), vertically motor (6) below is provided with longitudinal leadscrew (7), frame is installed on cylinder (3) and is fixed with the first nut (9), the first nut (9) is inserted in longitudinal screw mandrel, longitudinal leadscrew (7) forms the first screw pair with the first nut (9), in feeder cylinder (2), be provided with horizontal motor (11) and horizontal leading screw (12), also comprise the guard shield (15) being fixedly installed on punching press base station (1), on guard shield (15), be fixed with the second nut (16), the second nut (16) is inserted in horizontal leading screw (12), and laterally leading screw (12) forms the second screw pair with the second nut (16), guard shield (15) is provided with three mechanical gas pawls, and mechanical gas pawl comprises gripper cylinder (19), the rotating shaft (20) being connected with gripper cylinder (19) and the mechanical gas pawl galianconism (21) being connected with rotating shaft (20) for driving device gas pawl.

2. automatic feeder for punch according to claim 1, it is characterized in that: punching press base station (1) is provided with three stations of arranging in order, difference called after the first station (23), the second station (24) and the 3rd station (25), the front feed station (26) that arranges of the first station (23); Feed station (26) below is provided with horizontal slide rail (27), feed station (26) lower end is provided with the cross sliding clock (32) coordinating with horizontal slide rail (27), and feed station (26) moves in the horizontal direction by the cooperation of cross sliding clock (32) and horizontal slide rail (27); Punching press base station (1) is provided with cylinder mounting blocks (28), and horizontal slide rail (27) is arranged on cylinder mounting blocks (28); Also comprise charging cylinder (29), charging cylinder (29) is fixedly connected with cylinder mounting blocks (28), and feed station (26) is connected with the cylinder axis of charging cylinder (29).

3. automatic feeder for punch according to claim 1, it is characterized in that: frame (4) is provided with longitudinal slide rail (10), longitudinally slide rail (10) is arranged on longitudinal leadscrew (7) side, and frame is installed on cylinder (3) and is installed with the longitudinal sliding block (34) coordinating with longitudinal slide rail (10); Transverse slider (17) is installed on guard shield (15), and feeder main body is provided with the horizontal slide rail (18) coordinating with transverse slider (17).