CN204321754U - A kind of table full-automatic metal saw groover - Google Patents

Abstract

The utility model relates to a desktop automatic saw blade milling cutter slotting machine, which relates to a saw blade forming machine. It is equipped with grinder support, workpiece translation plate, servo motor, pulley, screw, screw support, guide column head support, sliding shaft, L-shaped guide rail, grinding head shaft, bearing, grinding head shaft outer casing, grinding wheel, small pulley, Grinding head bracket, grinding head small pulley key, grinding head shaft bearing end cover, motor, large pulley, lower bracket, pulley key, pulley motor shaft, T-shaped seat, timing belt, rotary transmission shaft, rotary shaft shell, Gear cutter, stepper motor, simple coupling, front cover, side cover, lower cover, right cover, rear small cover, middle cover, left rear cover, power switch, round head oblique Threaded hole handle, handle bolt, belt, nut, upper support bearing, platen, nut, upper support bearing, platen, screw end block, motor base, motor, timing pulley. The CNC system can be used to realize fully automatic processing of workpieces on small desktop machine tools, with high efficiency and low cost.

Description

A desktop automatic saw blade milling cutter slotting machine

technical field

The utility model relates to a saw blade forming machine, in particular to a desktop automatic saw blade milling cutter slotting machine.

Background technique

In mechanical processing, the grinding problem of thin slice saw blade milling cutter is often encountered. Many manufacturers use tool grinders or ordinary grinding wheels for grinding. However, the tool grinding machine is expensive, inefficient, and troublesome to operate, and the manual grinding of ordinary grinding wheels cannot guarantee the accuracy. At the same time, the capability of the machine tool depends to a large extent on the qualitative and quantitative characteristics of the feed transmission mode. If you can adapt the feed elements to the machining task as best as possible and take advantage of innovative drive concepts, you can significantly increase machining efficiency.

Contents of the invention

The purpose of this utility model is to solve the problems of high precision and high production cost of machining saw blades and milling cutters in existing machine tools, and provide a tool that can automatically process workpieces on small desktop machine tools, and achieve high-efficiency production while ensuring the machining accuracy of the blades. A desktop automatic saw blade milling cutter slotting machine.

The utility model is provided with a grinding head shaft. The grinding head shaft is inserted into the grinding head support along the shaft hole of the grinding head support. The two ends of the grinding head support are respectively provided with bearings. The bearing end covers of the grinding head shaft are locked at both ends of the grinding head support. The tapered hole of the outer casing of the grinding head shaft fits inwardly on the grinding head shaft and fits tightly with the tapered step of the grinding head shaft. The grinding wheel is placed on the step of the outer casing of the grinding head shaft. In the keyway of the shaft, the keyway of the small pulley is aligned with the key of the small pulley of the grinding head so that the small pulley and the shaft of the grinding head form a tight fit; the bearing of the upper support is set on the sliding shaft, the upper support of the first guide post and the second guide The upper support of the column head penetrates into the sliding shaft and is placed on the bearing of the upper support. The lower support of the first guide column head and the lower support of the second guide column head fix the sliding shaft on the platen above the grinding machine support; the nut is sleeved on the On the first screw rod, the upper support of the first screw rod and the upper support of the second screw rod penetrate into the first screw rod and fit on the nut, the lower support of the first screw rod and the lower support of the second screw rod will The first screw rod is fixed on the platen above the grinding machine support; the two ends of the rotary transmission shaft are respectively provided with bearings, the rotary shaft casing and the gear cutter are set on the rotary transmission shaft, and the rotary shaft casing is fixed on the workpiece through bolts and pins. board;

The servo motor is fixed on the lower left side of the stepper motor through the cross bar on the side cover. The lower pulley is controlled to connect to the upper pulley through the first belt, and the first lead screw passes through the lower support of the first lead screw and the lower support of the second lead screw. It is fixed at the center of the upper pulley, and the nut is fixed in the upper support of the first screw rod and the upper support of the second screw rod;

The lower support of the first guide post head and the second guide post head lower support are locked on the upper and lower edges of the platen, and the motor shaft of the stepping motor is aligned with the rotary transmission shaft and inserted into the front cover;

The L-shaped guide rail is locked on the table, the right movable plate is set on the L-shaped guide rail, the lower bracket is fixed on the right movable plate, the pulley motor shaft is inserted into the motor, the pulley key is set in the pulley motor shaft, and the large pulley is set In the pulley motor shaft, the grinding head bracket is fixed on the right movable plate, and the second belt is set on the pulley motor shaft and the large pulley;

The motor is fixed under the platen through the motor base, the timing belt connects the upper timing pulley and the lower timing pulley, the upper timing pulley is fixedly connected with the second screw rod, the T-shaped seat is locked on the right movable plate and connected with the second screw rod connected;

A front cover, a side cover, a lower cover, a right side cover, a rear small cover, a middle cover and a left rear cover are arranged on the grinding head support, and the power switch is arranged on the front cover.

The utility model has the advantages that: the feeding of the cutting tool is driven by the screw nut, reforming and innovating the previous inherent mode, greatly improving the production efficiency, and simultaneously grinding and forming multiple thin saw blade milling cutters through the rotation of the grinding wheel; The motor controls the grinding wheel to move back and forth along the vertical direction of the saw blade, so as to realize the diversified processing of the front and rear angles of the saw blade; and because of the compact structure, the overall machine tool is small in size and light in weight, which is convenient for transportation and operation.

Description of drawings

Fig. 1 is a front view assembly diagram of an embodiment of the utility model.

FIG. 2 is a top view assembly diagram of FIG. 1 .

FIG. 3 is a side view assembly diagram of FIG. 1 .

Fig. 4 is a cross-sectional view along plane A-A of Fig. 1 .

Detailed ways

Referring to Figures 1 to 4, the grinding head shaft 18 of the embodiment of the utility model is inserted into the grinding head support 25 along the shaft hole of the grinding head support 25, and the two ends of the grinding head support 25 are respectively provided with bearings, and the bearing end cover of the grinding head shaft 18 is locked. At both ends of the grinding head support 25, the tapered hole of the grinding head shaft outer casing 20 is sleeved on the grinding head shaft 18 inwardly, and is closely matched with the tapered steps of the grinding head shaft 18. On the step, the small pulley key 26 of the grinding head is located in the keyway of the grinding head shaft 18, and the keyway of the small pulley 24 is aligned with the small pulley key 26 of the grinding head so that the small pulley 24 forms a tight fit with the grinding head shaft 18; The bearing 55 is sleeved on the sliding shaft 13, the upper bearings 12 and 14 of the guide column head penetrate into the sliding shaft 13 and are set on the upper bearing 55, the lower bearing 11 of the first guide column head and the lower bearing of the second guide column head 15 Fix the sliding shaft 13 on the platen 56 above the grinder support 1; the nut 54 is sleeved on the first screw rod 8, and the upper support 7 of the first screw rod and the upper support 9 of the second screw rod penetrate into the first The screw mandrel 8 is set on the nut 54, the first screw mandrel lower support 6 and the second screw mandrel lower support 10 fix the first screw mandrel 8 on the platen 56 above the grinder support 1; the rotary transmission The two ends of the shaft 36 are respectively provided with bearings, the rotary shaft housing 39 and the 120 gear cutters 40 are sleeved on the rotary transmission shaft 36, and the rotary shaft housing 39 is fixed on the workpiece translation plate 2 by bolts and pins.

The servo motor 3 is fixed on the lower left side of the stepper motor 28 by the cross bar on the side cover plate 44, the lower pulley is controlled to connect the upper pulley 4 through the first belt 5, and the first screw mandrel 8 passes through the first screw mandrel lower support 6 and The second screw mandrel lower support 10 is fixed on the center of the upper belt pulley 4, and the nut is fixed in the first screw mandrel upper support 7 and the second screw mandrel upper support 9.

The lower bearing 11 of the first guide column head and the lower bearing 15 of the second guide column head are locked on the upper and lower edges of the platen 56 , and the motor shaft of the stepper motor 41 is aligned with the rotary drive shaft 36 and inserted into the front cover plate 43 .

The L-shaped guide rail 17 is locked on the platform 56, the right movable plate 16 is located on the L-shaped guide rail 17, the lower bracket 30 is fixed on the right movable plate 16, the pulley motor shaft 32 is inserted in the motor 28, and the pulley key 31 is located on the In the pulley motor shaft 32, the large pulley 29 is located in the pulley motor shaft 32, the grinding head support 25 is fixed on the right movable plate 16, and the 2nd belt 53 is located on the pulley motor shaft 32 and the large pulley 29.

The von Haber motor 60 is fixed below the platen 56 through the von Haber motor base 59, the timing belt 35 is connected to the upper synchronous pulley 61 and the lower synchronous pulley 62, and the upper synchronous pulley 61 is fixedly connected to the second screw rod 58, T Shape seat 34 is locked on the right movable plate 16 and links to each other with the 2nd screw mandrel 58.

Front cover plate 43, side cover plate 44, lower cover plate 45, right side cover plate 46, rear small cover plate 47, middle cover plate 48, left rear cover plate 49 are located on the grinding head support 25, and power switch 50 is located at on the front cover 43.

Before the machine tool is started, manually adjust the workpiece translation plate to the initial position, and then adjust the forward and reverse time of the servo motor 3 according to the size of the workpiece and the tooth depth. If the workpiece is small and the tooth depth is shallow, adjust the rotation time of the servo motor 3 to be longer , otherwise shorten it.

After adjusting the rotation speed of the servo motor 3, adjust the rotation speed and rotation time of the Von Haber motor 60 according to the front and rear angles of the required saw blade milling cutter, and drive the screw to move through the synchronous belt 35 so that the grinding wheel 23 and the workpiece can move along the center line of the workpiece translation plate 2 The diameter of the direction is staggered by a distance, so that the angle between the cutting surface of the grinding wheel and the tooth surface of the workpiece will change by an angle, and the front and rear angles of the workpiece to be ground will change. Von Haber motor 60 rpm.

Then input the desired number of teeth through the numerical control keyboard, turn on the power switch 50, then the servo motor 3 is turned on, and the lower pulley is controlled to connect the upper pulley 4 through the first belt 5, and the first screw 8 passes through the lower support 6 of the first screw and the first screw. 2. The lower bearing 10 of the screw rod drives the stepper motor 41 to move back and forth, and the stepper motor 41 is connected to the rotary transmission shaft 36 through a simple coupling 42, so that the entire rotary indexing shaft assembly is pulled and the workpiece translation plate 2 is moved. reciprocating motion.

While pressing the power supply, the stepper motor 41 is turned on, and the single-chip microcomputer system sends pulses to drive it to do intermittent rotation, and the workpiece table reciprocates once and the stepper motor 41 controls the workpiece to rotate one tooth. When the workpiece leaves the grinding wheel, the stepper motor receives a high-level signal and starts to rotate. During the time between the workpiece leaving the grinding wheel and contacting the grinding wheel again, the workpiece completes the rotation of one tooth and enters the cutting of the next tooth. The angle of rotation of one tooth can be adjusted according to the workpiece. The number of teeth is calculated and controlled by a numerical control system.

When the feeding action is completed, the motor 28 also rotates and drives the large pulley 29 to rotate to drive the transmission of the second belt 53 to rotate the small pulley 24, the small pulley 24 drives the rotation of the grinding head shaft 18, and the grinding head shaft 18 drives the grinding wheel 23 turns to grind the workpiece, and finally complete the entire processing of the saw blade milling cutter.

In Figures 1 to 4, the mark 19 is the bearing; 21 is the iron gasket; 22 is the locking ring of the grinding head shaft outer casing; 27 is the end cover of the grinding head shaft bearing; 33 is the T-shaped seat; 37 is the bearing; 38 is the bearing ; 51 is a round head oblique threaded hole handle; 52 is a handle bolt; 57 is a screw mandrel end stopper.

Claims (1)

1. a table full-automatic metal saw groover, it is characterized in that being provided with grinding head shaft, grinding head shaft inserts in bistrique support along the axis hole of bistrique support, bistrique support two ends are respectively equipped with bearing, the bearing (ball) cover of grinding head shaft locks in bistrique support two ends, the bellmouth of grinding head shaft overcoat is inwardly placed on grinding head shaft, and with the type conical bench tight fit of grinding head shaft, emery wheel withstands on the step of grinding head shaft overcoat, bistrique small pulley key is located in the keyway of grinding head shaft, and bistrique small pulley key aimed at by the keyway of small belt pulley makes small belt pulley and grinding head shaft form tight fit; Upper bracket bearing holder (housing, cover) is located on sliding axle, and the 1st guide pillar head upper bracket and the 2nd guide pillar head upper bracket to penetrate in sliding axle and be placed on upper bracket bearing, and sliding axle is fixed on the platen above grinding machine support by the 1st guide pillar head undersetting and the 2nd guide pillar head undersetting; Nut sleeve is located on the 1st screw mandrel, and the 1st screw mandrel upper bracket and the 2nd screw mandrel upper bracket to penetrate in the 1st screw mandrel and be placed on nut, and the 1st screw mandrel is fixed on the platen above grinding machine support by the 1st screw mandrel undersetting and the 2nd screw mandrel undersetting; Revolution power transmission shaft two ends are respectively equipped with bearing, and gyroaxis shell and serrated knife are enclosed within revolution power transmission shaft, and gyroaxis shell is fixed on workpiece translational motion plate by bolt and pin;

Servomotor is fixed on the lower left of stepper motor by the cross bar on side cover plate, control bottom pulley and connect upper belt pulley by the 1st belt, 1st screw mandrel is fixed on the center of upper belt pulley by the 1st screw mandrel undersetting and the 2nd screw mandrel undersetting, and nut is fixed in the 1st screw mandrel upper bracket and the 2nd screw mandrel upper bracket;

1st guide pillar head undersetting and the 2nd guide pillar head undersetting lock in the two edges up and down of platen, and the motor shaft of stepper motor aligns with revolution power transmission shaft and inserts in front shroud;

L shape guide rail locks on platen, right portable plate is located on L shape guide rail, lower carriage is fixed on right portable plate, belt wheel motor axle inserts in motor, belt wheel key is located in belt wheel motor axle, big belt pulley is located in belt wheel motor axle, and bistrique support is fixed on right portable plate, and the 2nd belt is located on belt wheel motor axle and big belt pulley;

Motor is fixed on below platen by motor base, and Timing Belt connects upper synchronous pulley and lower synchronous pulley, and upper synchronous pulley and the 2nd screw mandrel are fixedly linked, and T-shaped seat to lock on right portable plate and is connected with the 2nd screw mandrel;

Bistrique support is provided with front shroud, side cover plate, lower cover, right side cover plate, rear minor flaps, cover plate, left back cover plate, and power switch is located on front shroud.