CN115488707A

CN115488707A - Double-head polishing floating mechanism for T-shaped cast pipe

Info

Publication number: CN115488707A
Application number: CN202211341191.9A
Authority: CN
Inventors: 黎重; 顾俭; 林彰东; 陈俊; 陶斯胜
Original assignee: Suzhou Aoth Intelligent Technology Co ltd
Current assignee: Suzhou Aoth Intelligent Technology Co ltd
Priority date: 2022-10-30
Filing date: 2022-10-30
Publication date: 2022-12-20

Abstract

The invention discloses a double-head grinding floating mechanism for a T-shaped cast tube, which comprises a double-head grinding motor, wherein two output ends of the double-head grinding motor are respectively provided with grinding wheels with different sizes; the floating plate A is hinged and fixedly connected above the bearing plate, a double-head cylinder is arranged between the floating plate A and the bearing plate, the double-head cylinder is fixedly connected to the lower surface of the floating plate A, two ends of the double-head cylinder are respectively and fixedly connected with roller bearings, and the roller bearings are slidably connected in the sliding grooves; and a flange used for being connected with an industrial robot is arranged above the floating plate A. The double-head electric spindle is adopted, and different grinding wheels are arranged at two ends of the double-head electric spindle, so that the grinding machine can be suitable for finishing the grinding work of DN80-DN 400T-shaped pipes, and the grinding wheels are prevented from being frequently replaced when the production line is a mixed line production line.

Description

Double-head polishing floating mechanism for T-shaped cast pipe

Technical Field

The invention relates to a floating polishing mechanism for polishing the surface of a casting part, in particular to a double-head polishing floating mechanism for a T-shaped casting pipe.

Background

The casting part is applied to various industries, but the casting part often needs to be processed at a sharp corner in the using process, especially a T-shaped casting pipe is polished, if the manipulator polishing amount is needed, a takt time is occupied when a production line is a mixed line production line and a grinding wheel is frequently replaced, if a manual polishing mode is used for processing, the cost is too high, the efficiency is slow, the accident problem is easy to occur in the polishing process, the current automatic polishing lacks flexible buffering, and the grinding wheel or even a product is damaged in the actual polishing process.

The patent application number is '202121740486.4', the patent name is a floating grinding mechanism for grinding the surface of a casting part, and provides a grinding mechanism with a floating device, which can meet the grinding requirement and reduce the harm of dust to human bodies, but still has the following problems,

1. the grinding wheels are arranged on the same side, when the large grinding wheel is used for grinding, the small grinding wheel can often impact the cast tube when the large grinding wheel is damaged, so that production accidents occur, and when the small grinding wheel is used for grinding, if a cast meets a bulge, the problem that the cast is scraped by the grinding wheel can occur;

2. the guide shaft is matched with a linear bearing box (a cylindrical shaft and a cylindrical bearing) to finish the back-and-forth movement, when the whole mechanism is subjected to lateral force during polishing, steel balls in the linear bearing box are in point contact with the guide shaft, the bearing and the cylindrical shaft are in point contact, the lateral force is large during polishing, and the steel balls are blocked by dust in an environment with more dust during polishing, so that the guide column is easy to damage and scrape flowers, the floating effect is further influenced, the guide shaft is a wearing part with short service life, and the whole mechanism can not return to the original point position if the guide shaft is not replaced timely, so that a collision occurs;

3. when the product is linked with the manipulator, no protective measures are provided, the product breaks down in actual use, the machine cannot be communicated to shut down in time, and potential safety hazards exist.

Disclosure of Invention

The invention provides a double-head grinding floating mechanism for a T-shaped cast pipe, which adopts a double-head electric main shaft, wherein different grinding wheels are arranged at two ends of the double-head electric main shaft, so that the double-head grinding floating mechanism is suitable for finishing the grinding work of a DN80-DN 400T-shaped pipe, the grinding wheels are prevented from being frequently replaced when a production line is a mixed line production line, the double-head grinding floating mechanism is arranged on a six-shaft industrial robot, and during work, an operator does not need to grind at a workpiece, so that the harm of dust to a human body is reduced, the operator is protected, and the grinding consistency of the T-shaped pipe is ensured.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention discloses a method for preparing a high-performance liquid crystal,

a double-head grinding floating mechanism for a T-shaped cast tube comprises,

the double-head grinding motor is fixedly connected to the lower surface of the bearing plate, floating sliding seats are symmetrically arranged on the upper surface of the bearing plate in a fixed connection mode, and sliding grooves with upper portions inclined towards the outer side of the bearing plate are formed in the floating sliding seats;

the floating plate A is hinged and fixedly connected above the bearing plate, a double-head cylinder is arranged between the floating plate A and the bearing plate, the double-head cylinder is fixedly connected to the lower surface of the floating plate A, two ends of the double-head cylinder are respectively and fixedly connected with roller bearings, and the roller bearings are slidably connected in the sliding grooves;

and a flange used for being connected with an industrial robot is arranged above the floating plate A.

Furthermore, the positions, close to the two ends, of the floating sliding seats on the bearing plate are respectively and fixedly connected with photoelectric proximity switches, the photoelectric proximity switches are used for detecting the distance between the floating plate A and the bearing plate, and the photoelectric proximity switches are electrically connected with the robot control end.

Furthermore, a floating plate B is arranged above the floating plate A in parallel, two linear slide rails which are arranged in parallel are fixedly connected to the lower surface of the floating plate B, the linear guide rails and the output shaft of the double-end grinding motor are arranged in parallel, two sliding blocks are fixedly connected to the upper surface of the floating plate A, the sliding blocks are connected to the linear slide rails in a sliding mode, pneumatic springs are arranged on two sides of each linear slide rail respectively, the pneumatic springs are arranged in parallel with the linear slide rails, and two ends of each pneumatic spring are fixedly connected to the floating plate A and the floating plate B through fixing blocks respectively.

Furthermore, the fixed end of the pneumatic spring positioned outside the linear slide rail is fixedly connected to the floating plate A, the telescopic end of the pneumatic spring positioned inside the linear slide rail is fixedly connected to the floating plate B, and the telescopic end of the pneumatic spring positioned inside the linear slide rail is fixedly connected to the floating plate A.

Furthermore, the lower surface of the floating plate B is fixedly connected with a T-shaped stop block, the upper surface of the floating plate A is fixedly provided with two limit blocks, and the limit blocks are respectively arranged on two sides of the T-shaped stop block.

Furthermore, a microswitch is fixedly connected to the upper portion of the limiting block and electrically connected with the robot control end, and the microswitch is used for detecting the position of the floating plate B relative to the floating plate A.

Further, the flange is fixedly connected to the upper surface of the floating plate B.

Furthermore, one side of the limiting block, which faces the T-shaped stop block, is fixedly connected with a limiting column, and when the floating plate A and the floating plate B slide to a dead point, the limiting column abuts against the T-shaped stop block.

Furthermore, a flexible canvas shield is hung between the floating plate A and the floating plate B.

The invention has the following beneficial effects:

1. this patent uses double-end grinding motor, installs the emery wheel of variation in size respectively at two outputs of motor, to mixing production line like this, and the practicality is wider, and one side emery wheel damages, can not exert an influence to another.

2. The front and rear floating mechanisms are arranged: the whole mechanism can float left and right when the electric spindle is stressed by matching the linear slide rail with the slide block and symmetrically installing balance acting force by matching two pairs (four) of pneumatic springs; an upper floating mechanism and a lower floating mechanism are arranged: through double-end cylinder, roller bearing, the cooperation of the slide that floats, when the emery wheel during operation on the left side, the work of the cylinder piston rod on the left side, the cylinder piston rod on the right is out of work, when the emery wheel during operation on the right, the cylinder piston rod on the right is out of work, the piston rod on the left side is out of work, when meetting the bellying effort that makes progress when the emery wheel is polished, whole mechanism can fluctuate, and use linear slide rail, slider (both are linear motion system of a self-lubricating characteristic for linear guide), the difficult problem of scraping the flower damage that takes place of both face contact, reduce the fault rate.

3. By providing a protection part: the device comprises a pair of microswitches and a pair of photoelectric proximity switches, when the device is floated left and right and up and down to limit, the microswitches and the photoelectric proximity switches output signals, and the motorized spindle and the robot need to stop acting to protect the motorized spindle and the robot.

4. Through setting up flexible canvas guard shield, can prevent effectively that the dust of polishing from getting into the relocation mechanism, improve life.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic side view of the present patent.

Fig. 2 is a schematic structural diagram of the front side of the patent.

Fig. 3 is a schematic top view of the internal structure of the present patent.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.

As shown in fig. 1 to 3, a double-head grinding floating mechanism for T-shaped cast pipes comprises,

the double-head grinding motor 10 is characterized in that grinding wheels 102 with different sizes are respectively mounted at two output ends of the double-head grinding motor 10, the double-head grinding motor 10 is fixedly connected to the lower surface of a bearing plate 101, floating sliding bases 1011 are symmetrically arranged on the upper surface of the bearing plate 101, and sliding grooves 1012 with the upper parts inclined towards the outer side of the bearing plate 101 are arranged on the floating sliding bases 1011;

the floating plate A20 is hinged and fixedly connected above the bearing plate 101, a double-head cylinder 30 is arranged between the floating plate A20 and the bearing plate 101, the double-head cylinder 30 is fixedly connected to the lower surface of the floating plate A20, two ends of the double-head cylinder 30 are respectively and fixedly connected with a roller bearing 301, and the roller bearings 301 are slidably connected into the sliding grooves 1012;

wherein, a flange 30 for connecting with an industrial robot is arranged above the floating plate A20.

Particularly, emery wheel 102 generally adopts the emery wheel, the variation in size is installed respectively in two output ends of double-end grinding motor 10, the problem of interference can not appear during polishing, and need not frequently to change the emery wheel, utilize double-end cylinder 30, install roller bearing 301 respectively at double-end cylinder 30's both ends, set up roller bearing in the spout 1012 that sets up on unsteady slide 1011, set up spout 1012 upper end towards the outside slope setting of loading board 101, like this when the emery wheel 102 work of which one end of needs, it can realize to stretch out which end of double-end cylinder 30, this end emery wheel 102 is in operating position.

Further, a photoelectric proximity switch 1013 is fixedly connected to the floating sliders 1011 near the two ends of the supporting board 101, the photoelectric proximity switch 1013 is used for detecting the position of the floating board a20 away from the supporting board 101, and the photoelectric proximity switch 1013 is electrically connected to the robot control end.

Specifically, the position state of the grinding wheel 102 can be monitored by arranging the photoelectric proximity switch 1013, and once the grinding wheel is damaged, the floating plate A20 is at a dangerous distance from the bearing plate 101, and then the signal controls the robot to stop grinding with higher safety.

Further, a floating plate B40 is arranged above the floating plate A20 in parallel, the lower surface of the floating plate B40 is fixedly connected with two parallel linear slide rails 401, the linear guide rails 401 are arranged in parallel with the output shaft of the double-end grinding motor 10, the upper surface of the floating plate A20 is fixedly connected with two sliding blocks 201, the sliding blocks 201 are connected to the linear slide rails 401 in a sliding mode, pneumatic springs 50 are arranged on two sides of each linear slide rail 401 respectively, the pneumatic springs 50 are arranged in parallel with the linear slide rails 401, and two ends of each pneumatic spring 50 are fixedly connected to the floating plate A20 and the floating plate B40 through fixing blocks respectively.

Particularly, through the cooperation that sets up linear slide rail 401 and slider 201, realize the position relative slip between floating plate A20 and the floating plate B40, the stability of distance between the two is guaranteed to the rethread setting up pneumatic spring 50, and steady when realizing polishing avoids having the arch on the foundry goods, damages the emery wheel.

Further, the fixed end of the air spring 50 located outside the linear slide rail 401 is fixedly connected to the floating plate a20, the telescopic end thereof is fixedly connected to the floating plate B40, and the fixed end of the air spring 50 located inside the linear slide rail 401 is fixedly connected to the floating plate B40, and the telescopic end thereof is fixedly connected to the floating plate a20.

Particularly, the four pneumatic springs 50 are arranged oppositely in pairs, so that the stability of the floating mechanism in use is further ensured.

Further, a T-shaped stopper 402 is fixedly connected to the lower surface of the floating plate B40, two limiting blocks 202 are fixed to the upper surface of the floating plate a20, and the limiting blocks 202 are respectively disposed on two sides of the T-shaped stopper 402.

Specifically, the relative movement position of the floating plate a20 and the floating plate B40 is physically limited by the T-shaped stopper 402 and the two stopper blocks 202.

Further, a microswitch 2021 is fixedly connected above the limit block 202, and the microswitch 2021 is electrically connected to the robot control end and is used for detecting the position of the floating plate B50 relative to the floating plate a20.

Further, the flange 30 is fixedly coupled to an upper surface of the floating plate B40.

Specifically, the microswitch 2021 is arranged on the limiting block 202, so that after the floating plate a20 and the floating plate B40 are relatively displaced in place, the T-shaped stopper 402 contacts with the microswitch 2021 first, and the control center stops the operation of the double-head grinding machine through signals, thereby avoiding production accidents.

Furthermore, a limiting post 2022 is fixedly connected to one side of the limiting block 202 facing the T-shaped block 402, and when the floating plate a20 and the floating plate B50 slide to a dead point, the limiting post 2022 abuts against the T-shaped block 402.

Specifically, the limit column 2022 is arranged to realize the relative displacement dead point of the floating plate A20 and the floating plate B50, so that the microswitch 2021 is prevented from being damaged by the extrusion of the T-shaped stop 402

Further, a flexible canvas shield (not shown) is hung between the floating plate A20 and the floating plate B50, and the arrangement can effectively prevent grinding dust from damaging the floating mechanism.

Specific working process, at first pass through flange joint industrial robot with relocation mechanism, connect robot control center respectively with micro-gap switch 2021 and photoelectricity proximity switch 1013, during the start-up, which side emery wheel of use, then the flexible end in which side of double-end cylinder stretches out, and floating plate A20 and loading board 101 articulated between the two, which side luffing motion of double-end cylinder has been guaranteed, realize polishing, and when polishing, if meet foundry goods bellying department, can provide certain removal and guarantee its stability by pneumatic spring between floating plate A20 and the floating plate B, and double-end cylinder provides luffing motion's distance, both make relocation mechanism realize stably polishing together, micro-gap switch 2021 and photoelectricity proximity switch 1013 provide the safety guarantee for whole mechanism during operation together.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-head grinding floating mechanism for a T-shaped cast tube is characterized by comprising,

the double-end grinding motor (10) is characterized in that two output ends of the double-end grinding motor (10) are respectively provided with grinding wheels (102) with different sizes, the double-end grinding motor (10) is fixedly connected to the lower surface of the bearing plate (101), floating sliding seats (1011) are symmetrically arranged on the upper surface of the bearing plate (101), and sliding grooves (1012) with the upper portions inclined towards the outer side of the bearing plate (101) are formed in the floating sliding seats (1011);

the floating plate A (20) is hinged and fixedly connected above the bearing plate (101), a double-head cylinder (30) is arranged between the floating plate A (20) and the bearing plate (101), the double-head cylinder (30) is fixedly connected to the lower surface of the floating plate A (20), two ends of the double-head cylinder (30) are respectively and fixedly connected with a roller bearing (301), and the roller bearings (301) are connected into the sliding grooves (1012) in a sliding manner;

wherein a flange (30) used for being connected with an industrial robot is arranged above the floating plate A (20).

2. The double-head grinding floating mechanism for the T-shaped cast pipes as claimed in claim 1, wherein photoelectric proximity switches (1013) are fixedly connected to the bearing plate (101) near the floating slides (1011) at the two ends respectively, the photoelectric proximity switches (1013) are used for detecting the position of the floating plate A (20) away from the bearing plate (101), and the photoelectric proximity switches (1013) are electrically connected with the robot control end.

3. The double-end grinding floating mechanism for the T-shaped cast tube is characterized in that a floating plate B (40) is arranged above a floating plate A (20) in parallel, two parallel linear sliding rails (401) are fixedly connected to the lower surface of the floating plate B (40), the linear guide rails (401) are arranged in parallel with the output shaft of the double-end grinding motor (10), two sliding blocks (201) are fixedly connected to the upper surface of the floating plate A (20), the sliding blocks (201) are connected to the linear sliding rails (401) in a sliding mode, pneumatic springs (50) are arranged on two sides of each linear sliding rail (401) respectively, the pneumatic springs (50) are arranged in parallel with the linear sliding rails (401), and two ends of each pneumatic spring (50) are fixedly connected to the floating plate A (20) and the floating plate B (40) through fixing blocks respectively.

4. The double-head grinding floating mechanism for the T-shaped cast pipes as claimed in claim 3, wherein the fixed end of the pneumatic spring (50) positioned at the outer side of the linear slide rail (401) is fixedly connected to the floating plate A (20), the telescopic end of the pneumatic spring (50) positioned at the inner side of the linear slide rail (401) is fixedly connected to the floating plate B (40), and the telescopic end of the pneumatic spring is fixedly connected to the floating plate A (20).

5. The double-head grinding floating mechanism for the T-shaped cast pipe according to any one of claims 3 or 4, characterized in that a T-shaped stop block (402) is fixedly connected to the lower surface of the floating plate B (40), two stop blocks (202) are fixed to the upper surface of the floating plate A (20), and the stop blocks (202) are respectively arranged at two sides of the T-shaped stop block (402).

6. The double-head grinding floating mechanism for the T-shaped cast pipe is characterized in that a microswitch (2021) is fixedly connected above the limiting block (202), and the microswitch (2021) is electrically connected with a robot control end and used for detecting the position of the floating plate B (50) relative to the floating plate A (20).

7. The floating mechanism for T-shaped cast pipe double-head grinding as claimed in claim 6, wherein the flange (30) is fixedly connected to the upper surface of the floating plate B (40).

8. The floating mechanism for T-shaped cast pipe double-end grinding as claimed in claim 6, characterized in that a limiting post (2022) is fixedly connected to one side of the limiting block (202) facing the T-shaped block (402), and when the floating plate A (20) and the floating plate B (50) slide to a dead point, the limiting post (2022) abuts against the T-shaped block (402).

9. The floating mechanism of claim 6, wherein a flexible canvas cover is hung between the floating plate A (20) and the floating plate B (50).