CN212145939U

CN212145939U - Metal pipe polishing device

Info

Publication number: CN212145939U
Application number: CN202020704850.0U
Authority: CN
Inventors: 郭洪明
Original assignee: Hangzhou Panasia Sanitary Ware Co Ltd
Current assignee: Hangzhou Panasia Sanitary Ware Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-15
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a metal pipe fitting burnishing device aims at providing one kind and can carry out the metal pipe fitting burnishing device of clamping and polishing to the pipe fitting of different dimensions. The polishing machine comprises a box body, a rotary table and a machine base are fixed on the bottom surface in the box body, a plurality of placing frames are arranged at the edge of the upper end face of the rotary table, a fixing plate is fixed on the placing frames, a plurality of mounting assemblies are uniformly distributed on the side face of the fixing plate, a polishing machine box is connected to the machine base in a sliding mode and is arranged on the side face of the placing frame, and a feeding hole corresponding to the mounting assemblies is formed in the side face of the polishing machine box. The utility model has the advantages that: the purpose of clamping and fixing metal pipe fittings with different sizes and specifications can be well realized; dust and flying debris generated by polishing can be prevented from splashing around.

Description

Metal pipe polishing device

Technical Field

The utility model belongs to the technical field of the relevant technique of metal pipe fitting polishing and specifically relates to indicate a metal pipe fitting burnishing device.

Background

Polishing is a technique for reducing the roughness of the surface of a workpiece by using mechanical, chemical, electrochemical, etc., wherein the mechanical polishing provides a product having the advantages of good flatness and high brightness, and thus is the most commonly used method for surface treatment of a workpiece. The traditional method for polishing the metal pipe fitting is to polish the single surface of the metal pipe fitting by a manual operation mode, the manual operation force is controlled unevenly, so that the local color of the metal pipe fitting is easily inconsistent, the polishing of the metal pipe fitting has color difference, the chamfering of the metal pipe fitting is also easily collapsed, the manual operation mode for polishing the metal pipe fitting has the defects of high product reject ratio, low working efficiency, poor polishing precision and poor processing effect, the labor intensity of workers is high, the labor cost of enterprises is high, and the manual operation mode does not meet the requirements of large-scale batch production and automatic production of the enterprises.

Most of the existing enterprises use polishing machines to polish the surfaces of metal pipe fittings, so that the surfaces of the metal pipe fittings are smooth, the working efficiency of the polishing machines is high, the machined workpiece has good surface roughness and stable performance. The existing polishing machine can only polish metal pipe fittings in one shape during polishing, and cannot clamp and polish the metal pipe fittings in different sizes, and when the metal pipe fittings are combined parts of straight pipes and arc pipes, the polishing is more difficult.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome among the prior art can't carry out the not enough of clamping and polishing to the tubular metal resonator of different dimensions, provide one kind and can carry out the tubular metal resonator burnishing device of clamping and polishing to the tubular metal resonator of different dimensions.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a metal pipe polishing device comprises a box body, wherein a box body cavity is arranged in the box body, a rotary table and a machine base are fixed on the bottom surface of the box body cavity, a plurality of placing frames are uniformly distributed at the edge of the upper end surface of the rotary table and are in sliding connection with the rotary table, a fixing plate is fixed on the placing frames, a plurality of mounting assemblies are uniformly distributed on the side surface of the fixing plate and comprise rotary seats, the rotary seats are in rotary connection with the fixing plate, rotary rods are rotatably connected to the rotary seats, mounting sleeves are sleeved outside the rotary rods and are fixed on the rotary seats, rotary tables are fixed on the rotary rods, elastic clamping sleeves are sleeved on the outer side walls of the mounting sleeves and are positioned on the side surfaces of the rotary tables, a cylinder is arranged between the mounting sleeves and the elastic clamping sleeves, and is divided into a plurality of circular arc blocks, the supporting rod is fixed on the inner side wall of each arc block, the supporting rod penetrates through the mounting sleeve and is arranged on the side wall of the rotary table, the supporting rod is connected with the mounting sleeve in a sliding mode, the supporting rod is connected with the rotary table in a sliding mode, a boss matched with the supporting rod is arranged on the side wall of the rotary table, a polishing machine box is connected onto the machine base in a sliding mode, the side face of the placing frame is arranged on the polishing machine box, and a feeding hole corresponding to the mounting assembly is formed in the side face of the polishing machine box.

A rotary table and a machine base are fixed on the bottom surface in the box body, a plurality of placing racks are uniformly distributed at the edge of the upper end surface of the rotary table, the placing racks are in sliding connection with the rotary table, a fixed plate is fixed on the placing racks, a plurality of mounting assemblies are uniformly distributed on the side surface of the fixed plate, each mounting assembly comprises a rotary seat, the rotary seats are in rotary connection with the fixed plate, a rotary rod is rotatably connected to each rotary seat, a mounting sleeve is sleeved outside the rotary rod and fixed on each rotary seat, a rotary table is fixed on each rotary rod, an elastic clamping sleeve is sleeved on the outer side wall of each mounting sleeve and positioned on the side surface of the rotary table, a cylinder is arranged between each mounting sleeve and the corresponding elastic clamping sleeve and is divided into a plurality of arc blocks, a support rod is fixed on the inner side wall of each arc block, the support, the side wall of the turntable is provided with a boss matched with the supporting rod, the base is connected with a polishing case in a sliding manner, the polishing case is arranged on the side surface of the placing frame, the side surface of the polishing case is provided with a feed inlet corresponding to the mounting assembly, during clamping, a metal pipe fitting to be polished is sleeved on the mounting sleeve, the rotating rod is controlled to rotate by the rotating seat to drive the turntable on the polishing case to rotate, when the boss on the turntable is rotated onto the supporting rod, each supporting rod is gradually jacked up by the boss, and then the arc block on the supporting rod gradually props off the elastic clamping sleeve, so that the elastic clamping sleeve is outwards expanded until the metal pipe fitting is clamped, and the purpose of clamping and fixing the metal pipe fittings with different sizes can; wherein the elastic clamping sleeve can also tighten the arc block; the metal pipe fitting to be polished enters the polishing machine box through the feeding hole after being fixed, so that the polishing is simple and quick.

Preferably, a control motor matched with the placing frame is fixed on the side face of the rotary table, the placing frame comprises a U-shaped block, the bottom face of the U-shaped block is arranged on the rotary table and is in sliding connection with the rotary table through the control motor, a rotating body is arranged between two side edges of the U-shaped block and is in rotating connection with the U-shaped block through the control motor, the fixing plate is fixed on the rotating body, and during polishing, the control motor controls the placing frame to slide back and forth on the rotary table, so that the polishing effect is improved; the control motor can control the rotation of the rotating body and can be matched with the polishing machine case to realize the polishing of the arc-shaped metal pipe fitting.

Preferably, a rotating groove corresponding to the rotating seat is arranged on the fixed plate, a rotating block is rotatably connected in the rotating groove, the rotating seat is fixed on one side of the rotating block, a handle is fixed on the edge of the other side of the rotating block, a cylinder group I is fixed on the rotating body, a sliding rod is slidably connected on the cylinder group I, the sliding rod is arranged on the side surface of the fixed plate and is parallel to the fixed plate, a sliding rod groove corresponding to the handle is arranged on the sliding rod, the handle is arranged in the sliding rod groove, a connecting rod is arranged on the inner side wall of the sliding rod groove, one end of the connecting rod is rotatably connected with the sliding rod groove, the handle is arranged on the, the sliding rods are controlled to slide left and right through the cylinder group I, so that the handles in the sliding rod grooves drive the rotating blocks to synchronously rotate in the rotating grooves under the guiding action of the connecting rods, the design can be fine realize each installation component rotation simultaneously, make polishing machine case carry out more comprehensive more synchronous polishing to metal pipe fitting.

Preferably, a case cavity is arranged in the polishing case, the side walls of two sides of the case cavity are respectively fixed with a sliding rail, an upper polishing wheel and a lower polishing wheel are connected between the two sliding rails in a sliding manner, the upper polishing wheel and the lower polishing wheel are arranged in parallel, and the relative position between the upper polishing wheel and the lower polishing wheel is adjusted through the sliding rails so as to polish metal pipe fittings with different sizes.

Preferably, the two slide rails are connected with upper sliding blocks corresponding to the upper polishing wheels in a sliding manner, an upper mounting seat is fixed on the side surface of one upper sliding block, a first nozzle connector is fixed at the bottom of the upper mounting seat, a first spray head is fixed on the first nozzle connector, the first spray head faces one side of the upper polishing wheel, an upper motor is fixed on the side surface of the other upper sliding block, the upper polishing wheel is installed between the upper mounting seat and the upper motor, an upper air cylinder is fixed on the side wall of one side of a cavity of the case, the upper sliding block is connected with the slide rails in a sliding manner through the upper air cylinder, the upper air cylinder adjusts the position of the upper polishing wheel by controlling the movement of the upper sliding block, and in addition, the upper motor provides power for the upper polishing wheel to drive the upper polishing wheel to rotate so as to polish the metal pipe; the spraying head I is additionally arranged and used for polishing the thin-wall metal pipe fitting, atomized cooling liquid is sprayed on the surface of the thin-wall metal pipe fitting during polishing, the atomized cooling liquid prevents the grinding mark effect of polishing from being weakened due to too high humidity, and prevents the surface temperature of the thin-wall metal pipe fitting from being high, the ground surface loses luster, black spots appear, and even the surface of the thin-wall metal pipe fitting deforms when the humidity is too low.

Preferably, the two slide rails are respectively connected with a lower slide block corresponding to the lower polishing wheel in a sliding manner, a lower motor is fixed on the side surface of one lower slide block, a lower mounting seat is fixed on the side surface of the other lower slide block, the upper mounting seat and the lower mounting seat are arranged in a staggered manner, a second nozzle connector is fixed at the top of the lower mounting seat, a second spray head is fixed on the second nozzle connector, the second spray head faces one side of the lower polishing wheel, the lower polishing wheel is mounted between the lower mounting seat and the lower motor, a lower air cylinder is fixed on the side wall of one side of a cavity of the case, the lower slide block is connected with the slide rails in a sliding manner through the lower air cylinder, the position of the lower polishing wheel is adjusted through controlling the movement of the lower slide block, and in addition, the lower motor provides power for the lower polishing wheel to drive the lower polishing wheel to rotate so as to polish the; the second spraying head has the same function as the first spraying head, and can perform spraying cooling treatment on the thin-wall metal pipe fitting in an all-around manner through the matching of the spraying heads on the two sides.

Preferably, a second cylinder group is fixed on the side wall of the cavity of the case, a cleaning wheel is mounted on the second cylinder group and is in sliding connection with the cavity of the case through the second cylinder group, the cleaning wheel is positioned between the upper polishing wheel and the lower polishing wheel and is arranged in parallel with the two polishing wheels, a flexible hairbrush is fixed on the surface of the cleaning wheel, a waste material tray is clamped at the bottom of the polishing case, the cleaning wheel is used for cleaning the surfaces of the upper polishing wheel and the lower polishing wheel after polishing is finished, and dust or waste chips remained on the polishing wheels are brushed off to ensure that the surfaces of the polishing wheels are smooth and clean so as to be used next time; dust and sweeps that produce when polishing and clean all can fall into the waste material dish, and the staff can pull down the waste material dish and wash the processing.

Preferably, the feeding port is located between the upper polishing wheel and the lower polishing wheel, the side walls of the upper side and the lower side of the feeding port are respectively provided with a feeding port sliding groove, the feeding port sliding groove is internally connected with a cover plate in a sliding mode, a first propulsion cylinder is fixed to the bottom surface of the feeding port sliding groove, one side of the cover plate is fixed to the first propulsion cylinder and is in sliding connection with the feeding port sliding groove through the first propulsion cylinder, a distance sensor is installed on the side face of the other side of the cover plate and is connected with the first propulsion cylinder, and the distance sensor is used for sensing a metal pipe fitting entering a polishing machine box and enabling the cover plate to cover the feeding port to the maximum extent under the pushing of the first propulsion cylinder without contacting the metal pipe fitting.

Preferably, one side surface of the box body is provided with a first opening, the side walls on two sides of the first opening are both fixed with second propulsion cylinders, a placing plate is fixed between the two propulsion cylinders, the placing plate is in sliding connection with the first opening through the second propulsion cylinders, the placing plate is positioned below the mounting assembly, the other side surface of the box body is provided with a second opening, two sides of the second opening are rotatably connected with safety doors, observation windows are arranged on the safety doors, an operator places the metal pipe fittings to be processed on the mounting assembly through the first opening, and the additionally-arranged placing plate can play a reference positioning role on the placed metal pipe fittings so as to ensure that all the metal pipe fittings on the same placing frame are on the same horizontal plane; an operator can enter the box body through the safety door to adjust and maintain the polishing machine.

The upper polishing wheel and the lower polishing wheel are both white corundum grinding wheels, contact sensors are mounted inside the upper polishing wheel and the lower polishing wheel, the contact sensors of the upper polishing wheel are connected with the upper air cylinder, and the contact sensors of the lower polishing wheel are connected with the lower air cylinder, wherein the white corundum grinding wheel is low in hardness, large in granularity and loose in structure, has the advantages of small grinding force and low grinding temperature, and is very suitable for machining thin-wall metal pipe fittings; the additionally arranged contact sensor is used for sensing the position between the polishing wheel and the thin-wall metal pipe fitting, sending position information to the air cylinder, and controlling the stroke speed and the cutting depth of the air cylinder so that the polishing wheel can keep smaller cutting depth and higher longitudinal stroke speed to process the thin-wall water inlet pipe fitting.

The utility model has the advantages that: through the design of the elastic clamping sleeve on the mounting assembly, the purpose of clamping and fixing metal pipe fittings with different sizes and specifications can be well realized; the polishing process is carried out in the polishing machine box, so that dust and flying chips generated by polishing can be prevented from splashing everywhere, the environmental pollution is reduced, and the safety of operators is ensured; the additionally arranged cleaning wheel can brush off dust or scraps remained on the polishing wheel so as to ensure that the surface of the polishing wheel is smooth and clean for the next use; through the matching of the first spray head and the second spray head, the thin-wall metal pipe fitting can be sprayed and cooled in an all-around manner, so that not only is the grinding mark effect of polishing weakened due to too high humidity prevented, but also the phenomenon that when the humidity is too low, the surface temperature of the thin-wall metal pipe fitting is high, the ground surface loses luster, black spots appear, and even the surface of the thin-wall metal pipe fitting deforms is prevented; the added contact sensor is used for sensing the position between the polishing wheel and the thin-wall metal pipe fitting, so that the polishing wheel can keep smaller cutting depth and higher longitudinal travel speed to process the thin-wall water inlet pipe fitting.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 4 is a front view of the polishing cabinet of FIG. 1;

FIG. 5 is a left side view of the polishing cabinet of FIG. 1;

FIG. 6 is a cross-sectional view taken at C-C of FIG. 5;

FIG. 7 is a cross-sectional view taken at D-D of FIG. 5;

FIG. 8 is a cross-sectional view taken at B-B of FIG. 4;

FIG. 9 is a front view of the turret portion of FIG. 1;

FIG. 10 is a top plan view of the turntable portion of FIG. 1;

FIG. 11 is a connecting view of the fixing plate portion in FIG. 10;

FIG. 12 is a schematic structural view of the mounting assembly of FIG. 11;

FIG. 13 is an enlarged view at F of FIG. 12;

FIG. 14 is a cross-sectional view taken at E-E of FIG. 12;

figure 15 is a schematic diagram of the construction of the polishing wheel portion of figure 7.

In the figure: 1. the automatic polishing machine comprises a box body, a box body cavity, a first opening, a second opening, a polishing machine box, a second propelling cylinder, a second pushing cylinder, a 6 placing plate, a 7 rotating table, a 8 placing frame, a 9 fixing plate, a 10 mounting assembly, a 11 opening, a second opening, a 12 safety door, a 13 observation window, a 14 engine base, a 15 control motor, a 16 feed inlet, a 17 cover plate, a 18 waste material tray, a 19 feed inlet sliding chute, a 20 pushing cylinder I, a 21 distance sensor, a 22 machine box cavity, a 23 upper polishing wheel, a 24 upper motor, a 25 sliding rail, a 26 lower motor, a 27 lower sliding block, a 28 lower cylinder, a 29 cleaning wheel, a 30 lower polishing wheel, a 31 lower mounting seat, a 32 upper mounting seat, a 33 upper sliding block, a 34 upper cylinder, a 35 flexible hairbrush, a 36 cylinder group II, a 37 cylinder group I, a 38 sliding rod, a 39 rotating body, a 40U-shaped block, a 41 rotating groove, 42. the spray nozzle comprises a rotating block, 43, a handle, 44, a connecting rod, 45, a sliding rod groove, 46, a rotating seat, 47, a rotating rod, 48, a mounting sleeve, 49, a rotating disc, 50, an elastic clamping sleeve, 51, a cylinder, 52, an arc block, 53, a supporting rod, 54, a boss, 55, a first nozzle connector, 56, a first spray head, 57, a second nozzle connector, 58, a second spray head and 59, and a contact sensor.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1 and 3, the metal pipe polishing device comprises a box body 1, a box body cavity 2 is arranged in the box body 1, a rotary table 7 and a base 14 are fixed on the bottom surface of the box body cavity 2, a plurality of placing frames 8 are uniformly distributed on the edge of the upper end surface of the rotary table 7, the placing frames 8 are connected with the rotary table 7 in a sliding manner, a fixing plate 9 is fixed on the placing frames 8, and a plurality of mounting assemblies 10 are uniformly distributed on the side surface of the fixing plate 9.

As shown in fig. 1 and 12, the mounting assembly 10 includes a rotating base 46, the rotating base 46 is rotatably connected to the fixing plate 9, a rotating rod 47 is rotatably connected to the rotating base 46, a mounting sleeve 48 is sleeved outside the rotating rod 47, and the mounting sleeve 48 is fixed on the rotating base 46.

As shown in fig. 13 and 14, a rotating disc 49 is fixed on the rotating rod 47, an elastic cutting sleeve 50 is sleeved on the outer side wall of the mounting sleeve 48, the elastic cutting sleeve 50 is located on the side surface of the rotating disc 49, a cylinder 51 is arranged between the mounting sleeve 48 and the elastic cutting sleeve 50, the cylinder 51 is divided into a plurality of arc blocks 52, a support rod 53 is fixed on the inner side wall of each arc block 52, the support rod 53 penetrates through the mounting sleeve 48 and is arranged on the side wall of the rotating disc 49, the support rod 53 is connected with the mounting sleeve 48 in a sliding manner, the support rod 53 is connected with the rotating disc 49 in a sliding manner, and a boss 54 matched with the support rod 53.

As shown in fig. 1 and 4, a polishing machine box 4 is slidably connected to the machine base 14, the polishing machine box 4 is disposed on a side surface of the placing frame 8, and a feeding port 16 corresponding to the mounting assembly 10 is disposed on the side surface of the polishing machine box 4.

As shown in fig. 9 and 10, a control motor 15 matched with the placing rack 8 is fixed on the side surface of the turntable 7, the placing rack 8 includes a U-shaped block 40, the bottom surface of the U-shaped block 40 is placed on the turntable 7 and is slidably connected with the turntable 7 through the control motor 15, a rotating body 39 is installed between two side edges of the U-shaped block 40, the rotating body 39 is rotatably connected with the U-shaped block 40 through the control motor 15, and the fixing plate 9 is fixed on the rotating body 39.

As shown in fig. 11, a rotating groove 41 corresponding to a rotating seat 46 is formed in the fixed plate 9, a rotating block 42 is rotatably connected in the rotating groove 41, the rotating seat 46 is fixed on one side of the rotating block 42, a handle 43 is fixed on the edge of the other side of the rotating block 42, a cylinder group 37 is fixed on the rotating body 39, a sliding rod 38 is slidably connected on the cylinder group 37, the sliding rod 38 is arranged on the side surface of the fixed plate 9 and parallel to the fixed plate 9, a sliding rod groove 45 corresponding to the handle 43 is formed in the sliding rod 38, the handle 43 is arranged in the sliding rod groove 45, a connecting rod 44 is installed on the inner side wall of the sliding rod groove 45, one end of the connecting rod 44 is rotatably connected with the sliding rod groove 45, and the handle 43 is installed on the.

As shown in fig. 5 and 7, a cabinet cavity 22 is disposed in the polishing cabinet 4, slide rails 25 are fixed on the side walls of the two sides of the cabinet cavity 22, an upper polishing wheel 23 and a lower polishing wheel 30 are slidably connected between the two slide rails 25, and the upper polishing wheel 23 and the lower polishing wheel 30 are arranged in parallel.

As shown in fig. 7, the two slide rails 25 are each slidably connected with an upper slide block 33 corresponding to the upper polishing wheel 23, an upper mounting seat 32 is fixed on a side surface of one of the upper slide blocks 33, as shown in fig. 15, a first nozzle connector 55 is fixed at the bottom of the upper mounting seat 32, a first spray head 56 is fixed on the first nozzle connector 55, the first spray head 56 faces one side of the upper polishing wheel 23, an upper motor 24 is fixed on a side surface of the other upper slide block 33, the upper polishing wheel 23 is installed between the upper mounting seat 32 and the upper motor 24, an upper cylinder 34 is fixed on a side wall of one side of the housing cavity 22, and the upper slide block 33 is slidably connected with the slide rails 25 through the upper cylinder 34.

As shown in fig. 7, the two slide rails 25 are slidably connected to lower sliders 27 corresponding to the lower polishing wheels 30, a lower motor 31 is fixed to a side surface of one of the lower sliders 27, and a lower mounting seat 26 is fixed to a side surface of the other lower slider 27, as shown in fig. 15, the upper mounting seat 32 and the lower mounting seat 26 are arranged in a staggered manner, a second nozzle connector 57 is fixed to a top portion of the lower mounting seat 26, a second spray head 58 is fixed to the second nozzle connector 57, the second spray head 58 faces one side of the lower polishing wheel 30, the lower polishing wheel 30 is installed between the lower mounting seat 26 and the lower motor 31, a lower cylinder 28 is fixed to a side wall of one side of the housing cavity 22, and the lower slider 27 is slidably connected to the slide rails 25 through the lower cylinder 28.

As shown in fig. 4 and 8, a second cylinder group 36 is fixed on the side wall of the cabinet cavity 22, a cleaning wheel 29 is installed on the second cylinder group 36, the cleaning wheel 29 is slidably connected with the cabinet cavity 22 through the second cylinder group 36, the cleaning wheel 29 is positioned between the upper polishing wheel 23 and the lower polishing wheel 30 and is arranged in parallel with the two polishing wheels, a flexible brush 35 is fixed on the surface of the cleaning wheel 29, and a waste tray 18 is clamped at the bottom of the polishing cabinet 4.

As shown in fig. 6 and 8, the feed port 16 is located between the upper polishing wheel 23 and the lower polishing wheel 30, the side walls of the upper side and the lower side of the feed port 16 are both provided with a feed port chute 19, a cover plate 17 is connected in the feed port chute 19 in a sliding manner, a first propulsion cylinder 20 is fixed on the bottom surface of the feed port chute 19, one side of the cover plate 17 is fixed on the first propulsion cylinder 20 and is connected with the feed port chute 19 in a sliding manner through the first propulsion cylinder 20, the side of the other side of the cover plate 17 is provided with a distance sensor 21, and the distance sensor 21 is connected with the first propulsion.

As shown in fig. 1 and 2, an opening i 3 is formed in one side surface of the box body 1, two propulsion cylinders ii 5 are fixed on side walls on two sides of the opening i 3, a placing plate 6 is fixed between the two propulsion cylinders ii 5, the placing plate 6 is in sliding connection with the opening i 3 through the propulsion cylinders ii 5, the placing plate 6 is located below the mounting assembly 10, an opening ii 11 is formed in the other side surface of the box body 1, safety doors 12 are rotatably connected to two sides of the opening ii 11, and observation windows 13 are formed in the safety doors 12.

As shown in fig. 15, the upper polishing wheel 23 and the lower polishing wheel 30 are both a white corundum wheel, a contact sensor 59 is mounted inside each of the upper polishing wheel 23 and the lower polishing wheel 30, the contact sensor 59 of the upper polishing wheel 23 is connected to the upper cylinder 34, and the contact sensor 59 of the lower polishing wheel 30 is connected to the lower cylinder 28.

The clamping process comprises the following steps: the staff will wait to polish the metal pipe fitting cover on the installation cover 48 earlier, then start the clamping button, rotate 46 automatic control dwang 47 and rotate, and then drive the carousel 49 on it and rotate. When the boss 54 on the turntable 49 is rotated to the corresponding support rod 53, under the action of the boss 54, each support rod 53 is gradually jacked up, so that each arc block 52 gradually props open the elastic cutting sleeve 50, and then the elastic cutting sleeve 50 is outwards expanded until the metal pipe fitting to be polished is clamped.

Before polishing the metal pipe fitting, a worker firstly places the metal pipe fitting on the mounting sleeve 48 for fixing; after the elastic clamping sleeve 50 automatically clamps the metal pipe fitting, the rotary table 7 automatically rotates to transfer the metal pipe fitting to the side surface of the feeding hole 16 of the polishing case 4; then, the machine base 14 controls the polishing case 4 to move towards the metal pipe fitting, and the metal pipe fitting enters the interior of the polishing case 4 through the feeding hole 16; the cover plate 17 then covers the feed opening 16 and polishing is started.

And (3) polishing:

firstly, polishing a straight pipe part: the cylinder group I37 controls the sliding rod 38 to slide left and right, the handle 43 in each sliding rod groove 45 drives each rotating block 42 to synchronously rotate in the rotating groove 41 under the guiding action of the connecting rod 44, so that each mounting assembly 10 simultaneously rotates; meanwhile, the motor 15 is controlled to drive the placing rack 8 to swing left and right; meanwhile, an upper motor 24 and a lower motor 31 in the polishing case 4 work simultaneously to respectively control the upper polishing wheel 23 and the lower polishing wheel 30 to start; simultaneously, the upper air cylinder 34 and the lower air cylinder 28 work to control the two polishing wheels to approach the metal pipe from the upper end and the lower end, and polishing operation is carried out on the linear part of the metal pipe; meanwhile, the machine base 14 controls the polishing machine box 4 to move back and forth, so that the two polishing wheels polish the whole linear part of the metal pipe fitting back and forth.

Secondly, polishing the arc-shaped pipe part: the cylinder group I37 controls the sliding rod 38 to slide left and right, the handle 43 in each sliding rod groove 45 drives each rotating block 42 to synchronously rotate in the rotating groove 41 under the guiding action of the connecting rod 44, so that each mounting assembly 10 simultaneously rotates; meanwhile, the motor 15 is controlled to control the rotating body 39 to rotate in a matching way; meanwhile, the upper air cylinder 34 controls the upper sliding block 33 to move to adjust the position of the upper polishing wheel 23, and the lower air cylinder 28 controls the lower sliding block 27 to move to adjust the position of the lower polishing wheel 30; meanwhile, the machine base 14 controls the polishing machine case 4 to move back and forth to adjust the position of the machine base, so that the arc-shaped part of the metal pipe fitting is polished (the cover plate 17 automatically adjusts the position under the action of the distance sensor 21 and moves up and down along with the metal pipe fitting).

After polishing, the machine base 14 drives the polishing machine case 4 to reset, the cleaning wheel 29 is started to clean the upper polishing wheel 23 and the lower polishing wheel 30, the upper polishing wheel and the lower polishing wheel reset after cleaning is finished, and the turntable 7 rotates the polished metal pipe fitting to the feed opening for feeding.

Particularly, when the thin-wall metal pipe fitting is polished, the first nozzle connector 55 and the second nozzle connector 57 on the two sides of the polishing wheel are both connected with an external cooling liquid system, the external cooling liquid system supplies cooling liquid to the first nozzle connector 55 and the second nozzle connector 57, and the thin-wall metal pipe fitting is subjected to omnibearing spray cooling treatment through the first spray head 56 and the second spray head 58; meanwhile, the contact sensor 59 senses the positions between the upper polishing wheel 23 and the thin-wall metal pipe fitting and between the lower polishing wheel 30 and the thin-wall metal pipe fitting in real time, sends position information to the air cylinder, and controls the stroke speed and the cutting depth of the air cylinder, so that the thin-wall water inlet pipe fitting can be machined by keeping the small cutting depth and the high longitudinal stroke speed of the polishing wheels.

Claims

1. A metal pipe polishing device is characterized by comprising a box body (1), wherein a box body cavity (2) is formed in the box body (1), a rotary table (7) and a base (14) are fixed on the bottom surface of the box body cavity (2), a plurality of placing frames (8) are uniformly distributed at the edge of the upper end surface of the rotary table (7), the placing frames (8) are in sliding connection with the rotary table (7), a fixed plate (9) is fixed on the placing frames (8), a plurality of mounting assemblies (10) are uniformly distributed on the side surface of the fixed plate (9), each mounting assembly (10) comprises a rotary seat (46), the rotary seats (46) are in rotary connection with the fixed plate (9), a rotary rod (47) is rotatably connected to the rotary seats (46), a mounting sleeve (48) is sleeved outside the rotary rod (47), and the mounting sleeve (48) is fixed on the rotary seats (46), the polishing machine is characterized in that a turntable (49) is fixed on the rotating rod (47), an elastic clamping sleeve (50) is sleeved on the outer side wall of the mounting sleeve (48), the elastic clamping sleeve (50) is located on the side face of the turntable (49), a cylinder (51) is arranged between the mounting sleeve (48) and the elastic clamping sleeve (50), the cylinder (51) is divided into a plurality of arc blocks (52), a supporting rod (53) is fixed on the inner side wall of each arc block (52), the supporting rod (53) penetrates through the mounting sleeve (48) and is arranged on the side wall of the turntable (49), the supporting rod (53) is connected with the mounting sleeve (48) in a sliding mode, the supporting rod (53) is connected with the turntable (49) in a sliding mode, a boss (54) matched with the supporting rod (53) is arranged on the side wall of the turntable (49), a polishing machine case (4) is connected with the machine base (14) in a sliding mode, the polishing machine case (, and a feeding hole (16) corresponding to the mounting component (10) is formed in the side surface of the polishing machine box (4).

2. The metal pipe polishing device as claimed in claim 1, wherein a control motor (15) matched with the placing frame (8) is fixed on the side surface of the rotary table (7), the placing frame (8) comprises a U-shaped block (40), the bottom surface of the U-shaped block (40) is placed on the rotary table (7) and is in sliding connection with the rotary table (7) through the control motor (15), a rotating body (39) is installed between two side edges of the U-shaped block (40), the rotating body (39) is in rotating connection with the U-shaped block (40) through the control motor (15), and the fixing plate (9) is fixed on the rotating body (39).

3. The metal pipe polishing device as claimed in claim 2, wherein the fixed plate (9) is provided with a rotation groove (41) corresponding to the rotation seat (46), the rotation groove (41) is rotatably connected with a rotation block (42), the rotation seat (46) is fixed on one side of the rotation block (42), the other side of the rotation block (42) is provided with a handle (43) at an edge, the rotation body (39) is fixed with a cylinder group I (37), the cylinder group I (37) is slidably connected with a slide bar (38), the slide bar (38) is arranged on the side of the fixed plate (9) and is parallel to the fixed plate (9), the slide bar (38) is provided with a slide bar groove (45) corresponding to the handle (43), the handle (43) is arranged in the slide bar groove (45), and the inner side wall of the slide bar groove (45) is provided with a connecting bar (44), one end of the connecting rod (44) is rotatably connected with the sliding rod groove (45), and the handle (43) is installed on the other end of the connecting rod (44) and is rotatably connected with the connecting rod (44).

4. The metal pipe polishing device as claimed in claim 1, wherein a cabinet cavity (22) is formed in the polishing cabinet (4), slide rails (25) are fixed on the side walls of two sides of the cabinet cavity (22), an upper polishing wheel (23) and a lower polishing wheel (30) are slidably connected between the two slide rails (25), and the upper polishing wheel (23) and the lower polishing wheel (30) are arranged in parallel.

5. A metal tube polishing device as claimed in claim 4, characterized in that the two slide rails (25) are each slidably connected with an upper slider (33) corresponding to the upper polishing wheel (23), an upper mounting seat (32) is fixed on the side surface of one upper sliding block (33), a first nozzle connector (55) is fixed at the bottom of the upper mounting seat (32), a first spray head (56) is fixed on the first nozzle connector (55), the first spray head (56) faces one side of the upper polishing wheel (23), an upper motor (24) is fixed on the side surface of the other upper sliding block (33), the upper polishing wheel (23) is arranged between the upper mounting seat (32) and the upper motor (24), an upper cylinder (34) is fixed on the side wall of one side of the case cavity (22), the upper sliding block (33) is connected with the sliding rail (25) in a sliding mode through an upper air cylinder (34).

6. A metal tube polishing device as claimed in claim 5, characterized in that each of the two slide rails (25) is slidably connected with a lower slider (27) corresponding to the lower polishing wheel (30), a lower motor (31) is fixed on the side surface of one lower sliding block (27), a lower mounting seat (26) is fixed on the side surface of the other lower sliding block (27), the upper mounting seat (32) and the lower mounting seat (26) are arranged in a staggered manner, a second nozzle connector (57) is fixed at the top of the lower mounting seat (26), a second spray head (58) is fixed on the second nozzle connector (57), the second spray head (58) faces one side of the lower polishing wheel (30), the lower polishing wheel (30) is arranged between the lower mounting seat (26) and the lower motor (31), a lower cylinder (28) is fixed on the side wall of one side of the case cavity (22), the lower sliding block (27) is connected with the sliding rail (25) in a sliding mode through a lower air cylinder (28).

7. The metal pipe polishing device as claimed in claim 4, wherein a second cylinder group (36) is fixed on the side wall of the cabinet cavity (22), a cleaning wheel (29) is mounted on the second cylinder group (36), the cleaning wheel (29) is slidably connected with the cabinet cavity (22) through the second cylinder group (36), the cleaning wheel (29) is positioned between the upper polishing wheel (23) and the lower polishing wheel (30) and is arranged in parallel with the two polishing wheels, a flexible brush (35) is fixed on the surface of the cleaning wheel (29), and a waste material tray (18) is clamped at the bottom of the polishing cabinet (4).

8. The metal pipe polishing device as recited in claim 4, wherein the feed port (16) is located between an upper polishing wheel (23) and a lower polishing wheel (30), the side walls of the upper side and the lower side of the feed port (16) are respectively provided with a feed port chute (19), a cover plate (17) is connected in the feed port chute (19) in a sliding manner, a first propulsion cylinder (20) is fixed on the bottom surface of the feed port chute (19), one side of the cover plate (17) is fixed on the first propulsion cylinder (20) and is connected with the feed port chute (19) in a sliding manner through the first propulsion cylinder (20), a distance sensor (21) is installed on the side surface of the other side of the cover plate (17), and the distance sensor (21) is connected with the first propulsion cylinder (20).

9. The metal pipe polishing device as recited in claim 1, wherein one side surface of the box body (1) is provided with a first opening (3), the side walls of the two sides of the first opening (3) are respectively fixed with a second propulsion cylinder (5), a placing plate (6) is fixed between the two second propulsion cylinders (5), the placing plate (6) is slidably connected with the first opening (3) through the second propulsion cylinder (5), the placing plate (6) is positioned below the mounting assembly (10), the other side surface of the box body (1) is provided with a second opening (11), the two sides of the second opening (11) are rotatably connected with a safety door (12), and the safety door (12) is provided with an observation window (13).

10. The metal pipe polishing device as recited in claim 4, wherein the upper polishing wheel (23) and the lower polishing wheel (30) are corundum grinding wheels, the contact sensors (59) are mounted inside the upper polishing wheel (23) and the lower polishing wheel (30), the contact sensors (59) of the upper polishing wheel (23) are connected with the upper air cylinder (34), and the contact sensors (59) of the lower polishing wheel (30) are connected with the lower air cylinder (28).