CN215288910U

CN215288910U - Thermal treatment loading and material taking manipulator with rotating function

Info

Publication number: CN215288910U
Application number: CN202121429462.7U
Authority: CN
Inventors: 张永宽; 高兆庆; 龚奇龙
Original assignee: Avic Apc Integration Equipment Co ltd
Current assignee: Avic Apc Integration Equipment Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-24
Anticipated expiration: 2031-06-25

Abstract

The utility model belongs to alloy steel thermal treatment field, concretely relates to thermal treatment dress material taking operation machine with rotation function. The lifting appliance which is provided with the heated workpiece in the furnace is lifted by the manually operated overhead travelling crane to carry out transfer quenching operation, so that the product quality is unstable and even unqualified. The utility model comprises a column and a slewing bearing, a rotary driving device, a cantilever beam component and a lifting mechanism, wherein the column and the slewing bearing comprise a column winding drum at the lower part and a slewing bearing at the top part, and the cantilever beam component realizes the rotation of the cantilever beam component integrally relative to the column and the slewing bearing through the rotary driving device; the lifting mechanism comprises a plurality of chain wheels which are linearly arranged, a double-row roller chain wound on the chain wheels and a second speed reducing motor, wherein one end of the double-row roller chain is provided with a guiding and resetting device and a clutch, the other end of the double-row roller chain is provided with a counterweight, and the counterweight moves up and down in the upright post winding drum. The quality, the efficiency and the qualification rate of the heat treatment of the parts are improved, and the market competitiveness is improved.

Description

Thermal treatment loading and material taking manipulator with rotating function

Technical Field

The utility model belongs to alloy steel thermal treatment field, concretely relates to thermal treatment dress material taking operation machine with rotation function is suitable for the thermal treatment to long axis class forging for the aviation thermal treatment heating, quenching, washing, tempering.

Background

In the existing alloy steel heat treatment process, long shaft parts for aviation are mainly transferred and quenched by a lifting appliance which is manually operated to hoist and take a workpiece which is heated in a furnace. The periodic heat treatment mode mainly depends on a crown block in a workshop to hoist the workpiece, and the furnace type of the periodic heat treatment mode is mostly heated by a pit furnace and is provided with a quenching oil groove for quenching. The loading, taking and intermediate transfer processes are greatly influenced by manual operation factors, and the transfer time from the heating furnace to quenching in the quenching tank is greatly influenced by the operation proficiency, so that the heat treatment of long-shaft part products for aviation is influenced by the operation time factors, and the quality of the products is unstable and even unqualified.

Disclosure of Invention

The utility model discloses a solve present manual operation to the low efficiency and the low reliability that production caused, provide a high degree of automation's heat treatment dress material operation machine that has rotation function, guaranteed the steady and accurate control of work piece in the transfer process.

The utility model provides a heat treatment loading and unloading manipulator with rotation function, which comprises a stand column, a slewing bearing, a rotation driving device, a cantilever beam assembly and a lifting mechanism, wherein the stand column and the slewing bearing comprise a stand column winding drum at the lower part and a slewing bearing at the top part, the stand column winding drum is of a hollow structure, the cantilever beam assembly is arranged at the upper end of the slewing bearing at the end part, and the rotation of the cantilever beam assembly integrally relative to the stand column and the slewing bearing is realized through the rotation driving device; the lifting mechanism is arranged on the cantilever beam assembly and comprises a plurality of chain wheels which are linearly arranged, a double-row roller chain wound on the chain wheels and a second speed reducing motor, one of the chain wheels is driven by the second speed reducing motor to control the position of the double-row roller chain, one end of the double-row roller chain is provided with a guide and reset device and a clutch for hoisting, the other end of the double-row roller chain is provided with a counterweight, and the counterweight moves up and down in the upright column winding drum.

Advantageously, the upright column drum is mounted on the ground through an upright column mounting flange, connected with the slewing bearing through a mounting flange below the slewing bearing and reinforced through a first rib plate in the circumferential direction, and the upright column drum is further provided with an access door.

Advantageously, the rotary driving device is mounted on the upright post and the slewing bearing and comprises a horizontal plane rotary encoder, a first speed reduction motor, a pinion and a motor base, the motor base is fixedly connected with the slewing bearing, the first speed reduction motor is mounted on the motor base, an output shaft of the first speed reduction motor outputs rotary power outwards through the pinion rotating in the horizontal direction, and the feedback motion state is monitored in real time through the horizontal plane rotary encoder; and the pinion is limited by a baffle.

Advantageously, the cantilever beam assembly is provided with a box structure consisting of an upper panel, a vertical plate and a lower panel, the box structure is reinforced by a second rib plate, and an upper mounting flange of the bottom slewing bearing is connected with the slewing bearing.

Advantageously, the output shaft of the second gear motor is connected with a driven sprocket through a coupler, the driven sprocket is mounted on a belt seat bearing, and a sprocket end rotary encoder is arranged at the shaft end and used for monitoring the feedback motion state in real time.

Advantageously, the lifting mechanism further comprises a photoelectric displacement sensor and a photoelectric receiving plate arranged on the counterweight, and the photoelectric displacement sensor is used for carrying out feedback control on the position of the double-row roller chain.

Advantageously, the lifting mechanism further comprises a limit travel switch to avoid position overshoot.

Advantageously, the follower sprocket is mounted on a sprocket seat.

Advantageously, a platform ladder guard is also included, which in turn is divided into a ladder arranged along the uprights and slewing bearing and a top guard.

The automatic rotary loading and taking manipulator completely and automatically loads and takes materials, the heat treatment intermediate process is completely realized by the automatic procedure of the loading and taking manipulator, the quenching time can be flexibly set according to parts with different specifications and wall thicknesses, the transfer time from the opening of a furnace door of a quenching furnace to the complete entry of a workpiece into a quenching oil groove for quenching is within 60 seconds, and the uniform heat treatment quality of a long-axis central perforated part product for aviation is realized. The application of the form improves the quality, efficiency and qualification rate of the heat treatment of the long shaft parts for aviation, and directly improves the market competitiveness of the product.

Has the advantages that:

1. the form can ensure the requirement that the transfer time of the quenching workpiece is within 60 seconds; the control system can accurately control the workpiece transfer time, improve the uniformity of the workpiece quality and provide a precondition guarantee for qualified heat treatment process of the workpiece;

2. the labor cost is reduced, and the safety and the reliability of equipment operation are improved; the whole heat treatment process can be operated automatically, semi-automatically and manually;

3. the whole loading and unloading process is stable and reliable in operation and accurate and reliable in position, and the quenching transfer time can be flexibly adjusted according to the process requirements.

Drawings

FIG. 1 is a schematic structural view of a heat treatment loading and unloading manipulator with a rotation function;

FIG. 2 is a schematic structural view of the upright post and the slewing bearing;

FIG. 3 is a schematic structural diagram of a rotation driving device;

FIG. 4 is a schematic structural view of a cantilever beam assembly;

FIG. 5 is a schematic view of a lift mechanism;

figure 6 is a schematic view of a platform ladder guardrail structure.

In the figure: 1-upright post and slewing bearing, 2-rotary driving device, 3-cantilever beam assembly, 4-lifting mechanism, 5-platform ladder climbing guardrail, 6-upright post mounting flange, 7-upright post reel, 8-access door, 9-first rib plate, 10-slewing bearing lower mounting flange, 11-slewing bearing, 12-horizontal plane rotary encoder, 13-first speed reducing motor, 14-baffle plate, 15-pinion gear, 16-motor base, 17-upper panel, 18-upright plate, 19-slewing bearing upper mounting flange, 20-lower panel, 21-second rib plate, 22-chain wheel, 23-photoelectric displacement sensor, 24-double-row roller chain, 25-photoelectric receiving plate, 26-counterweight, 27-limit travel switch, 28-chain wheel seat, 29-second speed reducing motor, 30-coupler, 31-bearing with seat, 32-chain wheel end rotary encoder, 33-guiding and resetting device, 34-clutch, 35-ladder stand and 36-guardrail

Detailed Description

The utility model discloses the application has rotation function's thermal treatment dress to get the material manipulator and carries out automatic quenching tempering thermal treatment production, is aviation long axis class part thermal treatment trade new scheme, can improve the quality of aviation long axis class part thermal treatment. The manipulator is composed of the following parts:

as shown in fig. 1, the loading and unloading manipulator is composed of a vertical column and slewing bearing 1, a rotary driving device 2, a cantilever beam component 3, a lifting mechanism 4 and a platform ladder stand guardrail 5; the rotary driving device 2 and the lifting mechanism 4 are used as driving units, and the vertical column and slewing bearing 1, the cantilever beam assembly 3 and the platform ladder stand guardrail 5 are matched to realize continuous operation of a workpiece in a specified time.

As shown in fig. 2, the upright post and slewing bearing 1 consists of an upright post mounting flange 6, an upright post drum 7, an access door 8, a first rib plate 9, a slewing bearing lower mounting flange 10 and a slewing bearing 11; the mounting flange 6 is mounted on the ground through an upright post, is connected with the embedded steel plate of the foundation through a bolt, and is then welded and fixed; the upright post winding drum 7 plays a supporting role, the internal space is used for the counterweight 26 to move up and down, and internal maintenance and the disassembly and assembly of the counterweight 26 can be carried out through the access door 8; the slewing bearing 11 and the lower mounting flange 10 of the slewing bearing are connected with the upright post winding drum 7 into a whole through a bolt fastener. The slewing bearing 11 has an upper and a lower structure that rotate relative to each other.

As shown in fig. 3, the rotary drive device 2 is composed of a horizontal plane rotary encoder assembly 12, a first reduction motor 13, a baffle plate 14, a pinion 15 and a motor base 16; first gear motor 13 passes through the firm piece of bolt and installs on motor cabinet 16, and motor cabinet 16 passes through welded fastening on stand reel 7, and pinion 15 and first gear motor 13's output shaft to spacing through baffle 14, horizontal plane rotary encoder subassembly 12 and gear motor 13's output shaft, real-time supervision feedback motion state.

As shown in fig. 4, the cantilever beam assembly 3 is a box beam structure formed by welding steel plates, and is composed of an upper panel 17, a vertical panel 18, an upper mounting flange 19 of a slewing bearing, a lower panel 20 and a plurality of second rib plates 21; and is connected with the slewing bearing 11 through a mounting flange 19 on the slewing bearing.

As shown in fig. 5, the lifting mechanism 4 is composed of a chain wheel 22, a photoelectric displacement sensor 23, a double-row roller chain 24, a photoelectric receiving plate 25, a counterweight 26, a limit travel switch 27, a chain wheel seat 28, a second speed reducing motor 29, a coupler 30, a belt seat bearing 31, a chain wheel end encoder 32, a guiding and resetting device 33 and a clutch 34; the chain wheel 22 is fixed through a belt seat bearing 31 and is connected with a speed reducing motor 29 through a coupler 30; the chain wheel end encoder 32 is connected with an output shaft of the second speed reducing motor 29 to monitor the running speed and position in real time; the guiding and resetting device 33 is matched with the clutch 34 for use, mechanical resetting of the clutch 34 is realized at a designated position, and the automation degree of the equipment is improved.

As shown in fig. 6, the platform ladder barrier is composed of a ladder 35 and a barrier 36; the national relevant safety standard is met, and the later safety maintenance of the equipment is facilitated.

During operation, the workpiece is hung through the clutch 34, then the second speed reducing motor 29 of the lifting mechanism 4 is started, and the driving chain wheel 22 drives the double-row roller chain 24 to lift the workpiece; the lifting speed of the lifting mechanism 4 is controlled by controlling the frequency of the second speed reducing motor 29 by a frequency converter, the position of the lifting mechanism is monitored by a chain wheel end rotary encoder 32 and forms closed-loop control with the frequency conversion mode of the second speed reducing motor 29, the position feedback of the photoelectric displacement sensor 23 and the photoelectric receiving plate 25 is used for auxiliary control, the safety interlocking of ascending and descending is reliable, and a limit travel switch 27 is arranged to avoid position overshoot.

The rotation is realized by using the first speed reduction motor 13 as power to drive the pinion 15 to rotate, so as to drive the pivoting support 11 and the cantilever beam component 3 to rotate, and further drive the workpiece to rotate. The rotating speed is realized by controlling the frequency of the speed reducing motor 13 by a frequency converter, and the position of the speed reducing motor is monitored by a rotary encoder and forms closed-loop control with the frequency conversion mode of the speed reducing motor.

This thermal treatment material loading and taking manipulator adopts mechanical transmission as the main to absolute value encoder and photoelectric displacement sensor are assisted, the relative position of accurate control elevating system and rotary mechanism. The lifting mechanism adopts a single-side counterweight mode and is reasonably configured, so that the running load of a motor end is reduced, and the cost performance of equipment is improved.

Claims

1. The utility model provides a heat treatment dress material operation machine with rotation function which characterized in that: the loading and taking manipulator comprises an upright post and slewing bearing (1), a rotary driving device (2), a cantilever beam assembly (3) and a lifting mechanism (4), wherein the upright post and slewing bearing (1) comprises an upright post winding drum (7) at the lower part and a slewing bearing (11) at the top part, the upright post winding drum (7) is of a hollow structure, the end part of the cantilever beam assembly (3) is arranged at the upper end of the slewing bearing (11), and the cantilever beam assembly (3) integrally rotates relative to the upright post and slewing bearing (1) through the rotary driving device (2); the lifting mechanism (4) is arranged on the cantilever beam assembly (3) and comprises a plurality of chain wheels (22) which are linearly arranged, a double-row roller chain (24) wound on the chain wheels and a second speed reducing motor (29), one chain wheel (22) is driven by the second speed reducing motor (29) to control the position of the double-row roller chain (24), one end of the double-row roller chain (24) is provided with a guide and reset device (33) and a clutch (34) for hoisting, the other end of the double-row roller chain (24) is provided with a counterweight (26), and the counterweight (26) moves up and down in the upright column winding drum (7).

2. The thermal processing charging and reclaiming manipulator as in claim 1, wherein: the vertical column winding drum (7) is installed on the ground through a vertical column installation flange (6), is connected with a slewing bearing (11) through a lower installation flange (10) of the slewing bearing and is reinforced through a first rib plate (9) in the circumferential direction, and an access door (8) is further arranged on the vertical column winding drum (7).

3. The thermal processing charging and reclaiming manipulator as in claim 1, wherein: the rotary driving device (2) is arranged on the upright post and the slewing bearing (1) and comprises a horizontal plane rotary encoder (12), a first speed reducing motor (13), a pinion (15) and a motor base (16), the motor base (16) is fixedly connected with the slewing bearing (1), the first speed reducing motor (13) is arranged on the motor base (16), an output shaft of the first speed reducing motor (13) outputs rotary power outwards through the pinion (15) rotating in the horizontal direction, and the feedback motion state is monitored in real time through the horizontal plane rotary encoder (12); the pinion (15) is limited by a baffle (14).

4. The thermal processing charging and reclaiming manipulator of claim 3, wherein: the cantilever beam assembly (3) is of a box structure formed by an upper panel (17), a vertical plate (18) and a lower panel (20) and is reinforced by a second rib plate (21), and an upper mounting flange (19) of the slewing bearing at the bottom is connected with the slewing bearing (11).

5. The thermal processing charging and reclaiming manipulator as in claim 1, wherein: the output shaft of the second speed reducing motor (29) is connected with the driven chain wheel (22) through a coupler (30), the driven chain wheel (22) is installed on a bearing (31) with a seat, and a chain wheel end rotary encoder (32) is arranged at the shaft end and used for monitoring the feedback motion state in real time.

6. The thermal processing charging and reclaiming manipulator as in claim 5, wherein: the lifting mechanism (4) further comprises a photoelectric displacement sensor (23) and a photoelectric receiving plate (25) arranged on the balance weight (26) and used for carrying out feedback control on the positions of the double rows of roller chains (24).

7. The thermal processing charging and reclaiming manipulator of claim 6, wherein: the lifting mechanism (4) further comprises a limit travel switch (27) to avoid position overshoots.

8. The thermal processing loading and unloading manipulator according to claim 7, characterized in that: the following chain wheel (22) is mounted on a chain wheel seat (28).

9. The thermal processing charging and reclaiming manipulator as in any one of claims 1-8, wherein: the ladder stand is characterized by further comprising a platform ladder stand guardrail (6) which is divided into a ladder stand (35) arranged along the upright post and the slewing bearing (1) and a guardrail (36) at the top.