CN212533057U

CN212533057U - Ultrasonic frequency quenching machine tool

Info

Publication number: CN212533057U
Application number: CN202020992805.XU
Authority: CN
Inventors: 贾丽红; 李凤松; 曲钦全; 宋池
Original assignee: YANTAI HAIDE MACHINE TOOL CO Ltd
Current assignee: YANTAI HAIDE MACHINE TOOL CO Ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-02-12
Anticipated expiration: 2030-06-03

Abstract

The utility model provides a superaudio quenching machine tool, which comprises a frame, the frame is equipped with the upper bracket the top, and the lower extreme is equipped with the undersetting, upper portion is equipped with the carriage apron between upper bracket and the undersetting, and the middle part is equipped with well carriage apron, and the lower part is equipped with down the carriage apron, is equipped with four big guide pillars between upper bracket and the undersetting, and big guide pillar passes down carriage apron, well carriage apron and the big guide sleeve hole of last carriage apron respectively, and the upper end is packed into the upper bracket downthehole fixed, and the undersetting downthehole fixed of packing into of lower extreme is equipped with 3 little guide pillars between last carriage apron and the lower carriage apron, little guide pillar passes the little guide sleeve hole on the carriage apron, and the carriage apron is downthehole fixed down to the lower extreme is packed into. The utility model discloses a four guide pillar structures have increased the rigidity and the stability of lathe, have improved the transmission precision, adopt servo motor and variable frequency gear motor and numerical control technique, have improved automatic level and production efficiency.

Description

Ultrasonic frequency quenching machine tool

Technical Field

The utility model belongs to the field of machinery, in particular to a superaudio quenching machine tool.

Background

The shaft parts are common parts in various machines, and after surface quenching, the surface hardness of the shaft parts is obviously improved, and the surface wear resistance is improved, so that the service life of the parts is prolonged. The original ultrasonic frequency quenching machine tool adopts a double-guide-post structure, has no counter weight, uses a three-phase asynchronous motor and is controlled by a contact type travel switch, and has poor stability, low precision and low production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a superaudio quenching machine tool, which solves the defects of poor stability, low precision and low production efficiency of the quenching machine tool in the background technology.

The technical scheme of the utility model is realized like this: a supersonic frequency quenching machine tool comprises a frame, wherein the uppermost end of the frame is provided with an upper support, the lowermost end of the frame is provided with a lower support, an upper slide carriage is arranged at the upper part between the upper support and the lower support, a middle slide carriage is arranged at the middle part, a lower slide carriage is arranged at the lower part, four large guide pillars are arranged between the upper support and the lower support, the large guide pillars respectively pass through large guide sleeve holes of the lower slide carriage, the middle slide carriage and the upper slide carriage, the upper end of the large guide pillars is arranged in an upper support hole for fixation, the lower end of the large guide pillars is arranged in a lower support hole for fixation, 3 small guide pillars are arranged between the upper slide carriage and the lower slide carriage, the small guide pillars pass through small guide sleeve holes on the middle slide carriage;

furthermore, the upper slide carriage is provided with a variable-frequency speed reducing motor II and a variable-frequency speed reducing motor I, a motor shaft of the variable-frequency speed reducing motor II is connected with a lead screw II through a coupler, the lead screw II is screwed into a threaded hole of a nut II, the motor shaft of the variable-frequency speed reducing motor I is connected with a transmission shaft through the coupler, and the lower end of the transmission shaft is provided with a synchronous belt pulley I;

further, a lower tip is arranged on the lower sliding plate, a synchronous belt pulley II is arranged at the lower end of the lower tip, synchronous belts are arranged on the synchronous belt pulley I and the synchronous belt pulley II, and a tension pulley is arranged between the synchronous belt pulley I and the synchronous belt pulley II; the middle slide carriage is provided with an upper tip which is coaxial with the lower tip;

furthermore, a servo motor is arranged at the top end of the rack, the motor is connected with a screw rod I through a coupler, a nut I is arranged in an upper slide carriage hole, and the screw rod I is screwed into a threaded hole of the nut I;

further, the top of the rack is also provided with a chain wheel, the chain wheel is provided with a chain, one end of the chain is connected with the upper slide carriage, the other end of the chain is connected with the counterweight iron, linear bearing sliding blocks are arranged on two sides of the counterweight iron, linear bearing guide rods are arranged in linear bearing sliding block holes, and two ends of each linear bearing guide rod are fixed on the rack.

The utility model has the advantages that: the utility model discloses a four guide pillar structures have increased the rigidity and the stability of lathe, have improved the transmission precision, adopt servo motor and variable frequency gear motor and numerical control technique, have improved automatic level and production efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view taken along line C-C of FIG. 2 according to the present invention;

fig. 6 is a top view of the present invention;

fig. 7 is a schematic cross-sectional view taken along the direction D-D of fig. 6 according to the present invention.

Description of the parts: 1. the device comprises a rack, 2, a lower support, 3, a large guide post, 4, a lower slide carriage, 5, a lower tip, 6, a workpiece, 7, a quenching ring, 8, a small guide post, 9, a middle slide carriage, 10, an upper tip, 11, a lead screw I, 12, a nut I, 13, an upper slide carriage, 14, an upper support, 15, a servo motor, 16, a chain wheel, 17, a chain, 18, a linear bearing guide rod, 19, a linear bearing slide block, 20, counterweight iron, 21, a large guide sleeve, 22, a variable-frequency speed reducing motor I, 23, a variable-frequency speed reducing motor II, 24, a transmission shaft, 25, a small guide sleeve, 26, a lead screw II, 27, a nut II, 28, a synchronous pulley I, 29, a synchronous pulley II, 30, a synchronous belt, 31 and a tensioning wheel.

Detailed Description

For a better understanding and appreciation of the invention, it will be further described in connection with the accompanying drawings: a supersonic frequency quenching machine tool comprises a frame 1, wherein an upper support 14 is arranged at the uppermost end of the frame 1, a lower support 2 is arranged at the lowermost end of the frame 1, an upper slide carriage 13 is arranged at the upper part between the upper support 14 and the lower support 2, a middle slide carriage 9 is arranged at the middle part of the frame, a lower slide carriage 4 is arranged at the lower part of the frame, four large guide pillars 3 are arranged between the upper support 14 and the lower support 2, the large guide sleeves 21 are arranged in the upper slide carriage 13 and the lower slide carriage 4 and are fixed, the large guide pillars 3 are arranged in the large guide sleeves 21, the upper ends of the large guide pillars 3 are arranged in the upper support 14 and are fixed, the lower ends of the large guide pillars are arranged in the lower support 2 and are fixed, the upper support 14 and the lower support 2 are arranged. The small guide sleeve 25 is installed and fixed in the hole of the middle slide carriage 9, the small guide post 8 is installed in the small guide sleeve 25, the upper end of the small guide post 8 is installed and fixed in the hole of the upper slide carriage 13, the lower end of the small guide post is installed and fixed in the hole of the lower slide carriage 4, and the middle slide carriage 9 can move up and down flexibly without stagnation. The variable-frequency speed reducing motor II 23 is arranged on the upper slide carriage 13, a motor shaft is connected with a lead screw II 26 through a coupler, a nut II 27 is arranged in a hole of the slide carriage 9 and is fixed, and the lead screw II 26 is screwed into a threaded hole of the nut II 27. A variable-frequency speed reducing motor I22 is arranged on the upper slide carriage 13, a motor shaft is connected with a transmission shaft 24 through a coupler, and a synchronous belt wheel I28 is arranged at the lower end of the transmission shaft 24. The lower tip 5 is arranged on the lower slide carriage 4, the lower end of the lower tip 5 is provided with a synchronous pulley II 29, the synchronous pulley I28 and the synchronous pulley II 29 are provided with a synchronous belt 30, and a tension pulley 31 is used for adjusting the tension of the synchronous belt 30. The upper center 10 is arranged in a hole of the middle slide carriage 9, and the upper center 10 and the lower center 5 are required to be coaxial. Servo motor 15 installs at 1 top in the frame, and the motor shaft passes through coupling joint lead screw I11, and 13 downtheholes and fixed of slide carriage are packed into to nut I12, and I11 twists in the I12 threaded hole of nut. The chain wheel 16 is arranged at the top of the frame 1, the chain 17 is arranged on the chain wheel 16, one end of the chain is connected with the upper slide carriage 13, the other end of the chain is connected with the balance weight iron 20, the linear bearing sliding blocks 19 are arranged at two sides of the balance weight iron 20, the linear bearing guide rods 18 are arranged in holes of the linear bearing sliding blocks 19, and two ends of the linear bearing guide rods 18 are fixed on the frame 1.

Installing a quenching ring 7, connecting cooling water, and installing a numerical control electrical control system.

The working principle is as follows:

and (3) adjusting the height position of the middle slide carriage 9 according to the length of the workpiece 6 by starting a variable frequency speed reducing motor II 23 to drive a lead screw II 26 to rotate, driving a nut II 27 to move by the lead screw II 26, and driving the middle slide carriage 9, the small guide sleeve 25 and the upper tip 10 to move along the small guide post 8 by the nut II 27 so as to adjust the distance between the upper tip 10 and the lower tip 5.

The rotating speed of the variable-frequency speed reduction motor I22 is adjusted according to the diameter of the workpiece 6 and the quenching depth, so that the rotating speed of the workpiece 6 is adjusted.

The rotational speed of the servo motor 15 is adjusted, thereby adjusting the lifting speed of the workpiece 6.

A workpiece 6 is arranged in a quenching ring 7, two ends of the workpiece are propped against an upper center 10 and a lower center 5, a variable-frequency speed reduction motor I22 is started, a transmission shaft 24, a synchronous belt wheel I28 and a synchronous belt wheel II 29 are driven to rotate, and therefore the workpiece 6 is driven to rotate. The servo motor 15 is started to drive the lead screw I11 to rotate, the lead screw I11 drives the nut I12 to move, the nut I12 drives the upper slide carriage 13, the lower slide carriage 4 and the large guide sleeve 21 to move along the large guide pillar 3, so that the workpiece 6 is driven to move up and down, and the quenching ring 7 quenches the workpiece 6.

The ultrasonic frequency quenching machine tool is high in automation degree, production efficiency, quenching precision and stability.

Claims

1. A supersonic frequency quenching machine tool comprises a machine frame (1), wherein the uppermost end of the machine frame (1) is provided with an upper support (14), the lowermost end is provided with a lower support (2), and the quenching machine tool is characterized in that an upper slide carriage (13) is arranged at the upper part between the upper support (14) and the lower support (2), a middle slide carriage (9) is arranged at the middle part, a lower slide carriage (4) is arranged at the lower part, four large guide pillars (3) are arranged between the upper support (14) and the lower support (2), the large guide pillars (3) respectively penetrate through the lower slide carriage (4), the middle slide carriage (9) and large guide sleeve (21) holes of the upper slide carriage (13), the upper end of the quenching machine tool is arranged in the upper support (14) holes for fixation, the lower end of the quenching machine tool is arranged in the lower support (2) holes for fixation, 3 small guide pillars (8) are arranged between the upper slide carriage (13) and the lower slide carriage (4), the small guide pillars (8) penetrate through small guide sleeve (, the upper end is arranged in the hole of the upper slide carriage (13) for fixation.

2. The ultrasonic frequency quenching machine tool according to claim 1, wherein the upper slide carriage (13) is provided with a variable frequency speed reduction motor II (23) and a variable frequency speed reduction motor I (22), a motor shaft of the variable frequency speed reduction motor II (23) is connected with a lead screw II (26) through a coupler, the lead screw II (26) is screwed into a threaded hole of a nut II (27), the motor shaft of the variable frequency speed reduction motor I (22) is connected with a transmission shaft (24) through a coupler, and the lower end of the transmission shaft (24) is provided with a synchronous pulley I (28).

3. The superaudio frequency quenching machine tool according to claim 1 or 2, wherein the lower slide carriage (4) is provided with a lower tip (5), the lower end of the lower tip (5) is provided with a synchronous pulley II (29), a synchronous belt (30) is arranged on the synchronous pulley I (28) and the synchronous pulley II (29), and a tension pulley (31) is arranged between the synchronous pulley I (28) and the synchronous pulley II (29); an upper tip (10) is arranged on the middle slide carriage (9), and the upper tip (10) is coaxial with the lower tip (5).

4. The ultrasonic frequency quenching machine tool as claimed in claim 1 or 2, characterized in that the top end of the frame (1) is provided with a servo motor (15), the motor is connected with a screw rod I (11) through a coupler, a nut I (12) is arranged in a hole of the upper slide carriage (13), and the screw rod I (11) is screwed into a threaded hole of the nut I (12).

5. The ultrasonic frequency quenching machine tool according to claim 1 or 2, characterized in that a chain wheel (16) is further arranged at the top of the frame (1), a chain (17) is arranged on the chain wheel (16), one end of the chain (17) is connected with the upper slide carriage (13), the other end of the chain is connected with a counterweight iron (20), linear bearing sliding blocks (19) are arranged at two sides of the counterweight iron (20), linear bearing guide rods (18) are arranged in holes of the linear bearing sliding blocks (19), and two ends of the linear bearing guide rods (18) are fixed on the frame (1).