CN200991783Y - Fully automatic single-axis round milling machine - Google Patents

Abstract

The utility model relates to the technical field of metal cutting machinery, and in particular to a fully automatic single-axis circular milling machine, which comprises a clamping device, a cutting device and an automatic feeding device. The automatic feeding device is controlled by an adjustable feeding hydraulic cylinder. The utility model adopts the feeding cylinder for automatic feeding processing, and the feeding stroke is controlled by a PLC, so the depth of the cutting groove can be easily controlled, and the processing accuracy is high; in addition, the clamping device is controlled by a pressing cylinder, and the clamping accuracy is high, thereby improving the processing accuracy of the workpiece. In addition, the processing process is fully automatically controlled, the operation is simple, and the processing time is short.

Description

Fully automatic single-axis round milling machine

Technical field:

The utility model relates to the technical field of metal cutting machinery, in particular to a full-automatic single-axis circular milling machine.

Background technique:

The traditional splitting and trenching machine mainly installs a milling cutter under a worktable, and exposes a part of the milling cutter, and then drives the milling cutter to rotate with a motor, and the operator pushes the clamping device to make the workpiece close to the high-speed rotating machine. The milling cutter is used for sectioning, but this traditional sectioning and trenching machine has the following disadvantages: (1) The operator manually pushes the clamping device to approach the milling cutter, so that the milling cutter touches the workpiece for sectioning, and the depth of the trench is determined by It is difficult to control the depth of the groove due to stroke control by workers, and the machining accuracy is not high; (2) the clamping device uses mechanical positioning of the workpiece. When the workpiece rotates, the positioning accuracy is not high, resulting in low final machining accuracy of the workpiece.

Utility model content:

The purpose of the utility model is to provide a fully automatic single-axis round milling machine aiming at the deficiencies of the prior art.

In order to achieve the above object, the technical solution adopted by the utility model is: it includes a clamping device, a cutting device and an automatic feeding device, the cutting device is composed of a rotary knife shaft, a cutter and a motor, and the cutter is fixed on the top of the rotary knife shaft The lower part of the rotary cutter shaft is connected to the motor through a transmission mechanism. The clamping device is composed of a pressing hydraulic cylinder and a rotary table. There is a rotating shaft connected to the hydraulic motor through a transmission mechanism; the automatic feeding device is composed of two linear guide rails and an adjustable feeding hydraulic cylinder, and an adjustable knob is arranged at the end of the adjustable feeding hydraulic cylinder. The feeding piston rod in the feeding hydraulic cylinder is connected, and the bottom of the clamping device is fixedly connected with a slider, which is movably connected with two linear guide rails, and one end of the feeding piston rod is fixedly connected with the slider; the rotary knife shaft is sleeved in the shaft sleeve, and the shaft The sleeve is fixed on the slider of the cutter shaft, and the slider of the cutter shaft is movably connected with the sliding seat in the vertical direction, and the sliding seat is provided with an up and down adjustment device for moving the slider of the cutter shaft up and down; the above-mentioned pressing hydraulic cylinder, hydraulic motor And the adjustable feeding hydraulic cylinder is connected with the oil tank through the oil pipe.

The transmission mechanism is a belt drive, a belt pulley is installed on the lower part of the rotary knife shaft, and the rotary knife shaft is connected with the output shaft of the motor through the transmission belt.

The cutting knife is fixed on the rotary knife shaft through the nut above and the stepped bushing below.

The transmission mechanism is a gear transmission, a driven bevel gear is installed on the lower end of the rotating shaft, and a driving bevel gear is installed on the output shaft of the hydraulic motor, and the driving bevel gear meshes with the driven bevel gear.

One side of the cutter shaft slider is provided with a chute, one side of the cutter shaft slide seat is provided with a slide rail, and the cutter shaft slide block is flexibly connected with the slide rail of the slide seat through the chute.

The up and down adjustment device includes a handwheel, a horizontal transmission rod and a vertical transmission screw rod. Then, the other end of the vertical transmission screw rod is equipped with a driven bevel gear, and the driving bevel gear meshes with the driven bevel gear. Cooperate with the threaded hole opened inside the slide seat.

The utility model adopts the automatic feeding process of the feeding oil cylinder, and the feeding stroke is controlled by PLC, which can easily control the depth of the cutting groove and has high processing precision; in addition, the clamping device is controlled by the pressing oil cylinder, and the clamping precision is high, thereby improving the processing of the workpiece In addition, the processing process is fully automatic control, simple operation, and short processing time.

Description of drawings:

Fig. 1 is the structural representation of the utility model;

Figure 2 is an enlarged schematic view of A in Figure 1;

Fig. 3 is a schematic diagram of the internal structure of the utility model;

Fig. 4 is an exploded schematic view of the rotary knife shaft and the cutter of the utility model.

Detailed ways:

See shown in Figures 1 to 4, the utility model includes a clamping device 1, a cutting device 2 and an automatic feeding device 3, and the part cutting device 2 is composed of a rotating knife shaft 201, a cutting knife 202 and a motor 203, and the cutting knife 202 is fixed on The upper part of the rotary cutter shaft 201, the lower part of the rotary cutter shaft 201 is connected with the motor 203 through the transmission mechanism 4, the clamping device 1 is composed of a pressing hydraulic cylinder 101 and a rotary table 102, and the pressing piston rod 103 of the pressing hydraulic cylinder 101 extends out There is a pressing plate 104 fixed at the end, and the rotating shaft 5 is fixed at the bottom of the rotary table 102, and the rotating shaft 5 is connected with the hydraulic motor 7 through the transmission mechanism; the automatic feeding device 3 is composed of two linear guide rails 301 and an adjustable feeding hydraulic cylinder 302 , the tail end of the adjustable feeding hydraulic cylinder 302 is provided with an adjustable knob 303, the adjustable knob 303 is connected with the feeding piston rod 304 in the adjustable feeding hydraulic cylinder 302, the bottom of the clamping device 1 is fixedly connected with a slider 8, the slider 8 is movably connected with two linear guide rails 301, and one end of the feeding piston rod 304 is fixedly connected with the slider 8; In the vertical direction, it is movably connected with the sliding seat 11, and the sliding seat 11 is provided with an up and down adjusting device 12 to move the cutter shaft slider 10 up and down; the above-mentioned pressing hydraulic cylinder 101, hydraulic motor 7 and adjustable feeding hydraulic cylinder 302 All are connected with the oil tank 26 through the oil pipe 25.

The transmission mechanism 4 is a belt drive, and a belt pulley 13 is installed on the bottom of the rotary knife shaft 201 , and the rotary knife shaft 201 is connected with the output shaft of the motor 203 through the transmission belt 14 .

The cutter 202 is fixed on the rotary cutter shaft 201 through the upper nut 15 and the lower stepped bushing 16. The distance between the nut 15 and the stepped bushing 16 can be adjusted, and cutters 202 of different thicknesses can be installed to satisfy different cutting depths. trenching needs.

The transmission mechanism 6 is a gear transmission, the lower end of the rotating shaft 5 is equipped with a driven bevel gear 17, the output shaft of the hydraulic motor 7 is equipped with a driving bevel gear 18, the driving bevel gear 18 meshes with the driven bevel gear 17, and the hydraulic motor 7 drives the rotating shaft 5 to rotate, thereby realizing driving the workpiece to rotate.

One side of the cutter shaft slider 10 has a chute 19 , and one side of the slide seat 11 is provided with a slide rail 20 , and the cutter shaft slider 10 is movably connected with the slide rail 20 of the slide seat 11 through the chute 19 .

The up and down adjustment device 12 includes a handwheel 121, a horizontal transmission rod 122 and a vertical transmission screw 123, the handwheel 121 is fixedly connected to one end of the horizontal transmission rod 122, and the other end of the horizontal transmission rod 122 is equipped with a driving bevel gear 124, and the vertical transmission wire One end of the rod 123 is affixed to the cutter shaft slider 10, and the other end of the vertical transmission screw mandrel 123 is equipped with a driven bevel gear 125, the driving bevel gear 124 meshes with the driven bevel gear 125, the above-mentioned horizontal transmission rod 122 and the vertical transmission The screw rods 123 are all arranged inside the slide seat 11, wherein the vertical transmission screw rods 123 cooperate with the threaded holes provided inside the slide seat 11, and the cutter shaft slide block 10 can be moved up and down along the slide rail 20 by turning the hand wheel 121, thereby Realize the height adjustment of the cutter 202 in the vertical direction.

Working principle: step 1, first adjust the height of the rotary cutter shaft 201 according to the processing requirements to determine the cutting height of the cutter 202, place the workpiece on the rotary table 102, and then open the pressing cylinder 101 and the pressing piston rod 103 Stretch out downwards and press the workpiece, so that the workpiece is positioned in the vertical direction; Step 2, turn on the main control switch, the rotary cutter shaft 201 starts to rotate at a high speed, and the action of the adjustable feeding hydraulic cylinder 302 and the hydraulic motor 7 is controlled by the PLC. At this time, the adjustable feed hydraulic cylinder 302 starts to work, and the feed piston rod 304 pushes the clamping device 1 to move along the linear guide rail 301. At the same time, the hydraulic motor 7 drives the rotary table 102 to rotate through the transmission mechanism 6, that is, the workpiece itself also rotates at a high speed. The turning direction of the cutter 202 is the same, after the workpiece is sent to the predetermined position for processing, the cutting process is completed according to the preset program; after the processing is completed, the adjustable feeding hydraulic cylinder 302 moves to withdraw the workpiece from the processing area. The height of the cutter 202 can be adjusted by adjusting the upper and lower adjustment device 12, and the cutting can be completed by repeating steps 1 and 2. In addition, the cutting depth of the groove can be controlled by adjusting the adjustable knob 303 of the adjustable feeding hydraulic cylinder 302, because the stroke of the feeding piston rod 304 is fixed, the initial extension of the feeding piston rod 304 is adjusted through the adjustable knob 303. The cutting depth of the groove can be controlled by the length.

Of course, the above-described embodiments are only preferred examples of the present utility model, and are not intended to limit the scope of implementation of the present utility model, so all equivalents done according to the structure, features and principles described in the scope of patent application for the present utility model Changes or modifications are all included in the patent scope of the utility model application.

Claims (6)

1, full-automatic single shaft mills circular knitting machine, it comprises clamping device (1), dissect device (2) and automatic feeding (3), portion's cutting apparatus (2) is by swivel knife shaft (201), cutting knife (202) and motor (203) constitute, cutting knife (202) is fixed on swivel knife shaft (201) top, swivel knife shaft (201) bottom is connected with motor (203) by transmission mechanism (4), it is characterized in that: clamping device (1) is made of binder hydraulic jack (101) and rotary table (102), binder piston rod (103) external part of binder hydraulic jack (101) is connected with a holding pad (104), rotary table (102) bottom is connected with rotating shaft (5), and rotating shaft (5) is connected with hydraulic electric motor (7) by transmission mechanism (6); Automatic feeding (3) is made of two line slideways (301) and adjustable feeding hydraulic jack (302), the tail end of adjustable feeding hydraulic jack (302) is provided with an adjustable knob (303), feed ram bar (304) in adjustable knob (303) and the adjustable feeding hydraulic jack (302) is connected, clamping device (1) bottom is connected with slide block (8), slide block (8) flexibly connects with two line slideways (301), and feed ram bar (304) one ends and slide block (8) are affixed; Swivel knife shaft (201) is socketed in the axle sleeve (9), axle sleeve (9) is fixed on the cutter shaft slide block (10), cutter shaft slide block (10) in the vertical direction and slide (11) flexibly connect, and slide (11) is provided with the up-down adjustment device (12) that cutter shaft slide block (10) is moved up and down; Above-mentioned binder hydraulic jack (101), hydraulic electric motor (7) and adjustable feeding hydraulic jack (302) all are to be connected with fuel tank (26) by oil pipe (25).

2, full-automatic single shaft according to claim 1 mills circular knitting machine, it is characterized in that: described transmission mechanism (4) is belt transmission, swivel knife shaft (201) bottom is equipped with belt pulley (13), and swivel knife shaft (201) is connected with the output shaft of motor (203) by driving belt (14).

3, full-automatic single shaft according to claim 1 mills circular knitting machine, it is characterized in that: cutting knife (202) is fixed on the swivel knife shaft (201) by the nut (15) of top and the step axle sleeve (16) of below.

4, full-automatic single shaft according to claim 1 mills circular knitting machine, it is characterized in that: described transmission mechanism (6) is gear drive, the lower end of rotating shaft (5) is equipped with driven wheel of differential (17), the output shaft of hydraulic electric motor (7) is equipped with drive bevel gear (18), drive bevel gear (18) and driven wheel of differential (17) engagement.

5, full-automatic single shaft according to claim 1 mills circular knitting machine, it is characterized in that: cutter shaft slide block (10) one sides have chute (19), slide (11) one sides are provided with slide rail (20), and cutter shaft slide block (10) flexibly connects by the slide rail (20) of chute (19) with slide (11).

6, full-automatic single shaft according to claim 1 mills circular knitting machine, it is characterized in that: up-down adjustment device (12) comprises handwheel (121), horizontal drive link (122) and vertical drive lead screw (123), handwheel (121) is affixed with horizontal drive link (122) one ends, horizontal drive link (122) other end is equipped with drive bevel gear (124), vertically drive lead screw (123) one ends and cutter shaft slide block (10) are affixed, vertically drive lead screw (123) other end is equipped with driven wheel of differential (125), drive bevel gear (124) and driven wheel of differential (125) engagement, above-mentioned horizontal drive link (122) and vertical drive lead screw (123) all are arranged on slide (11) inside, and wherein vertically drive lead screw (123) cooperates with the screwed hole that slide (11) inside is offered.

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