CN108820853B

CN108820853B - Transfer mechanism

Info

Publication number: CN108820853B
Application number: CN201810730841.6A
Authority: CN
Inventors: 郭芬
Original assignee: Anhui Xuantong Electromechanical Technology Co Ltd
Current assignee: Anhui Xuantong Electromechanical Technology Co., Ltd
Priority date: 2018-07-05
Filing date: 2018-07-05
Publication date: 2020-06-09
Anticipated expiration: 2038-07-05
Also published as: CN108820853A

Abstract

The invention relates to the field of pipe surface treatment, in particular to a transfer mechanism, wherein a plurality of circular or rectangular tubular areas B for accommodating a pipe A to be treated are arranged on the transfer mechanism, one end of each tubular area B is open, the other end of each tubular area B is closed, the cross section size of each tubular area B is slightly larger than the outer diameter of the pipe A to be treated, the plurality of tubular areas B form a grid shape, the cross section size of each tubular area B is adjustable, and the minimum value of the cross section size of each tubular area B is slightly larger than the outer diameter of the pipe A to be. The cross-sectional dimension of the tubular area B is adjusted to the maximum value by the transfer mechanism during feeding, so that the pipe can be very easily inserted into the tubular area B, the feeding difficulty is reduced, and the feeding efficiency is improved. After the pipe is fed, the section size of the tubular area B is adjusted, so that the pipe is firmly locked in the tubular area B. This kind of structure of regional B cross-sectional dimension adjustable of tubulose not only can satisfy quick material loading, can also fix a position tubular product, can extensively use the material loading of tubular product and transport fields such as.

Description

Transfer mechanism

Technical Field

The invention relates to the field of pipe surface treatment, in particular to a transfer mechanism.

Background

The pipe is widely applied in production and life, and along with the continuous extension of the application, the performance requirement of the pipe is also continuously improved. Particularly, in some special working occasions, the pipe must have super-strong corrosion resistance, wear resistance, adhesion performance and the like. The quality of the pipe material depends not only on the properties of the material, but also on the surface properties of the material. Therefore, the surface of the pipe needs to be treated, the surface treatment of the pipe needs to be fixed by using a special clamp, so that the contact surface of the clamp and the pipe becomes a blind spot, the treated pipe still has a small number of defects, and the overall quality of the pipe is influenced. The local pitting corrosion resistance and other capabilities of the pipe are greatly reduced, and the service life of the pipe is shortened.

The problems of how to feed the clamp and how to position the pipe during feeding need to be solved while solving the problems.

Disclosure of Invention

The invention aims to provide a transfer mechanism which is high in feeding speed and accurate in positioning.

In order to achieve the purpose, the invention adopts the following technical scheme: a plurality of circular or rectangular tubular areas B for containing a pipe A to be processed are arranged on the transfer mechanism, one end of each tubular area B is open, the other end of each tubular area B is closed, the cross section of each tubular area B is slightly larger than the outer diameter of the pipe A to be processed, the tubular areas B form a square grid shape, the cross section of each tubular area B is adjustable, and the minimum value of each tubular area B is slightly larger than the outer diameter of the pipe A to be processed.

Due to the adoption of the technical scheme, the cross section size of the tubular area B is adjusted to the maximum value by the transfer mechanism during feeding, at the moment, the cross section size of the tubular area B is larger than the outer diameter of the pipe, the pipe can be very easily inserted into the tubular area B, the feeding difficulty is reduced, and the feeding efficiency is improved. After the feeding of the pipe is finished, the section size of the tubular area B is adjusted, so that the pipe is firmly locked in the tubular area B, the pipe is reliably positioned through the position of the tubular area B, and the pipe is convenient to use in the next procedure. The structure with the adjustable section size of the B in the tubular area can not only meet the requirement of quick feeding, but also position the pipe, has very good effect, and can be widely applied to the fields of feeding and transferring of the pipe and the like.

Drawings

FIGS. 1, 2 and 3 are diagrams showing the cooperation state of the feeding mechanism and the transferring mechanism;

FIGS. 4 and 5 are views showing the state of engagement between the transfer mechanism and the holding mechanism;

FIG. 6 is a schematic view of the structure of the clamping mechanism;

FIG. 7 is a schematic view of another embodiment of a clamping structure;

FIG. 8 is a view of the outer sleeve and the extrusion head in engagement;

FIG. 9 is a cross-sectional view of the outer sleeve and extrusion head in three non-engaged positions;

fig. 10 is a top view of the transfer mechanism in two different cross-sectional dimensions.

Detailed Description

A plurality of circular or rectangular tubular areas B for containing a pipe A to be processed are arranged on a transfer mechanism 20, one end of each tubular area B is open, the other end of each tubular area B is closed, the cross section of each tubular area B is slightly larger than the outer diameter of the pipe A to be processed, the tubular areas B form a square grid shape, the cross section of each tubular area B is adjustable, and the minimum value of each tubular area B is slightly larger than the outer diameter of the pipe A to be processed.

The transfer mechanism 20 further comprises an overturning unit 40, the overturning unit 40 drives the transfer mechanism 20 to be horizontally placed or vertically placed, when the transfer mechanism 20 is horizontally placed, the tube length direction of the tubular area B is arranged along the horizontal direction, and the opening of the tubular area B faces the feeding mechanism 10; when the transfer mechanism 20 is placed vertically, the tube length direction of the tubular region B is arranged along the vertical direction and the rectangular tubular region B is open upward.

The transfer mechanism 20 is fixed on the lifting platform 90.

Transport mechanism 20 peg graft perpendicularly by two sets of fishback 20a and form, the fishback include broach bottom plate 21 and a plurality of broach 22, a plurality of broach 22 are matrix form interval arrangement on broach bottom plate 21, constitute the rectangular chamber that a plurality of cross sectional area equal after the broach vertical cross on two sets of fishbacks is planted, transport mechanism 20 still includes layer board 23, layer board 23 covers the one end in the rectangular chamber, layer board 23 rigid coupling is on its adjacent broach bottom plate 21, layer board 23 and rectangular chamber enclose to close and constitute the tubular region B.

The comb plate 20a is provided with a linear moving unit 50, and the linear moving unit 50 drives the comb plate 20a to be drawn away towards the outer side or inserted towards the inner side.

The cross section of the comb teeth 22 is oval, the comb teeth 22 are eccentrically hinged and fixed on the comb tooth bottom plate 21, and the hinged shaft of the comb teeth 22 is connected with a power source.

The articulated shaft of each broach 22 on all be provided with the worm wheel, the worm wheel of each row of broach 22 all drives through same worm, many worms are one row and arrange, and many worms all link to each other with the power supply through interior cingulum.

The transfer mechanism 20 is hinged on the rack, the hinged shaft 41 is horizontally arranged, the axis of the hinged shaft is perpendicular to the length direction of the tube in the tubular area B, the turnover cylinder 42 which is obliquely arranged is further arranged between the transfer mechanism 20 and the rack, and the hinged shaft 41 and the turnover cylinder 42 form the turnover unit 40.

A pipe surface treatment system comprising the transfer mechanism of any one of claims 1-8.

A pipe surface treatment system comprises a feeding mechanism 10, a transfer mechanism 20 and a clamping mechanism 30; the feeding mechanism 10 is used for conveying the pipe A to be processed to the transferring mechanism 20, the transferring mechanism 20 is used for storing and positioning the pipe A to be processed, and the clamping mechanism 30 is used for clamping the pipe A to be processed and carrying the pipe A to be processed to travel in the processing liquid pool; the feeding mechanism 10 comprises a conveying platform 11 for conveying the pipes, a material distribution disc 12 is arranged on the conveying platform 11, a material pushing unit 13 is arranged beside the material distribution disc 12, and the material pushing unit 13 is used for pushing the pipes A to be processed on the material distribution disc 12 to the transferring mechanism 20;

the clamping mechanism 30 comprises an outer sleeve 31 inserted into the lumen of the pipe A to be treated, a first supporting part 34 and a second supporting part 35 are arranged on the outer sleeve 31, and the first supporting part 34 and the second supporting part 35 can be abutted against the inner wall of the lumen of the pipe A to be treated at any one or at the same time. The clamping mechanism is provided with a power source for driving the first and second supporting

parts

34, 35 to switch.

The to-be-processed pipes A are placed on the material distribution disc 12, the material pushing unit 13 pushes the to-be-processed pipes A on the material distribution disc 12 to the transfer mechanism 20, and then the transfer mechanism 20 transfers the to-be-processed pipes A stored on the transfer mechanism 20 to the lower side of the clamping mechanism 30. The outer sleeve 31 is driven by the power source on the clamping mechanism 30 to be in the tube cavity of the tube A to be processed, the first supporting part 34 is driven by the power source to abut against the inner wall of the tube cavity of the tube A to be processed, the clamping mechanism 30 clamps and fixes the tube A to be processed at the moment, and then the transfer mechanism 20 is withdrawn and returned. Then the clamping mechanism 30 drives the pipe A to be processed to move in the processing liquid pool. After walking for a period of time, the power source drives the second supporting part 35 to abut against the inner wall of the tube cavity of the tube A to be processed. In the process of switching the first and second supporting

parts

34 and 35, the first and second supporting

parts

34 and 35 are gradually switched, and the first and second supporting

parts

34 and 35 abut against the inner wall of the tube cavity of the tube A to be processed at the same time, and when the second supporting part 35 abuts against the inner wall of the tube cavity of the tube A to be processed completely, the first supporting part 34 is separated from the inner wall of the tube cavity of the tube A to be processed. Thereby ensuring that the pipe A to be processed can still be reliably clamped and fixed in the switching process of the first and second supporting

parts

34 and 35. After switching, the contact surface between the first supporting part 34 and the pipe A to be processed is exposed, the clamping mechanism 30 continues to carry the pipe A to be processed to continue walking, and the clamping point between the first supporting part 34 and the pipe A to be processed is also subjected to surface treatment, so that a clamping blind spot is avoided. In addition, the contact surfaces of the first and second supporting

parts

34 and 35 and the pipe A to be processed are positioned in the inner cavity of the pipe, the outer surface of the pipe A to be processed is always exposed, surface processing can be fully performed, and the quality of the surface processing of the pipe is improved.

After the surface treatment process of the pipe A to be treated is completed, the pipe A to be treated is conveyed to the transfer mechanism 20, and the outer sleeve 31 is pulled out from the pipe cavity of the pipe A to be treated, so that the automatic discharging action can be completed. The whole system can automatically feed, transfer, treat the surface and unload, realizes automation and has very high efficiency.

The transfer mechanism 20 is provided with a plurality of circular or rectangular tubular areas B for accommodating the pipes A to be processed, one end of each tubular area B is open, the other end of each tubular area B is closed, the cross section of each tubular area B is slightly larger than the outer diameter of each pipe A to be processed, the plurality of tubular areas B form a square grid shape, the clamping mechanism 30 is provided with a plurality of outer sleeves 31 arranged in a matrix shape, and the number and the positions of the outer sleeves 31 correspond to those of the tubular areas B.

In other words, the transfer mechanism 20 is provided with lumens arranged in a matrix shape, and the cross-sectional shapes of the lumens may be square or circular, or may be irregular, as long as the lumens can accommodate the tube a to be treated. The present invention prefers tubular regions B having a square cross-section. When the transfer mechanism 20 feeds materials, the axis of the tubular area B is horizontally placed, the pipe a to be processed is located at the opening end side of the tubular area B, and the material pushing unit 13 gradually pushes the pipe a to be processed into the cavity of the tubular area B from the opening end of the tubular area B. After the feeding is completed, the transfer mechanism 20 is turned, the closed end of the tubular area B is located below the transfer mechanism 20 after the turning, and the pipe A to be processed is vertically placed on the transfer mechanism 20. Then insert pending tubular product A with 31 with fixture 30's overcoat in, the power supply continues to drive first supporting part 34 and leans on pending tubular product A lumen inner wall, and fixture 30 has realized the centre gripping fixed to pending tubular product A this moment, accomplishes pending tubular product A's material loading action, transport mechanism 20 alright withdraw the return afterwards. The tubular regions B provided on the transfer mechanism 20 can accommodate a plurality of pipes a to be processed simultaneously, and can position the plurality of pipes a to be processed.

The clamping mechanism 30 is fixed on the horizontal moving mechanism, the clamping mechanism 30 comprises a fixing plate 36 and a driving unit 60 for driving the fixing plate 36 to move up and down, a plurality of outer sleeves 31 are arranged on the fixing plate 36, the outer sleeves 31 are distributed in a matrix shape, and the positions and the number of the outer sleeves 31 correspond to the tubular areas B of the transfer mechanism 20. This structure realizes that a drive unit 60 drives a plurality of outer sleeves 31 and moves simultaneously, because the number and the position of outer sleeve 31 all correspond with tubulose region B, so many outer sleeves 31 can insert simultaneously in the pending tubular product A that corresponds, realize the material loading centre gripping when many pending tubular product A, and surface treatment simultaneously increases substantially work efficiency. The horizontal moving mechanism in the present invention may be an annular conveyor line, and the clamping mechanism 30 is suspended on the annular conveyor line and can horizontally move along the annular conveyor line.

The transfer mechanism 20 further comprises an overturning unit 40, the overturning unit 40 drives the transfer mechanism 20 to be horizontally placed or vertically placed, when the transfer mechanism 20 is horizontally placed, the tube length direction of the tubular area B is arranged along the horizontal direction, and the opening of the tubular area B faces the feeding mechanism 10; when the transfer mechanism 20 is placed vertically, the tube length direction of the tubular region B is arranged along the vertical direction and the rectangular tubular region B is open upward. When feed mechanism 10 material loading, transfer mechanism 20 level is placed, and push unit 13 will be the pending tubular product A propelling movement of level placing to tubulose regional B in, and after the material loading process was accomplished, upset unit 40 carries out the 90 upsets, and the tubulose regional B opening up after the upset, and fixture 30 removes to transfer mechanism 20 top just can carry out the centre gripping process afterwards.

The clamping mechanism 30 further comprises an extrusion head 32 arranged in the inner cavity of the outer sleeve 31, the extrusion head 32 is fixedly connected with a driving unit 60, the driving unit 60 drives the extrusion head 32 to move up and down, the first supporting part 34 and the second supporting part 35 are arranged at intervals from top to bottom along the cylinder length direction of the outer sleeve 31, the cylinder wall of the outer sleeve 31 is provided with holes/gaps 33 for the first supporting part 34 and the second supporting part 35 to pass through, the hole/gap 33 communicates with the inner and outer walls of the outer sleeve 31, one end of the first support 34/second support 35 abuts against the extrusion head 32, the other end is freely suspended, the extrusion head 32 is provided with a convex part 321 for extruding the first support part 34/the second support part 35 and a concave part 322 for avoiding the first support part 34, wherein the concave portion 322 is located above and the convex portion 321 is located below, the vertical dimension of the convex portion 321 is larger than the distance between the first support portion 34 and the second support portion 35. The structure ensures that at least one of the first supporting part 34 and the second supporting part 35 is abutted against the wall of the lumen of the pipe A to be processed, thereby ensuring that the pipe A to be processed can still be reliably clamped and fixed in the switching process of the first supporting part 34 and the second supporting part 35. The driving unit 60 is a power source for driving the first and

second support portions

34 and 35 to be switched.

During clamping, the driving unit 60 drives the extrusion head 32 to move downwards, the convex portion 321 on the extrusion head 32 extrudes the first supporting portion 34 in the descending process, the hole/gap 33 through which the first supporting portion 34 passes protrudes out of the outer sleeve 31 and abuts against the surface of the pipe A to be treated, so that the first clamping and fixing of the pipe A to be treated are realized, then the transfer mechanism 20 is evacuated, and the clamping action of the pipe A to be treated is completed. The drive unit 60 then drives the fixed plate 36 downward so that all the tubes a to be treated are placed in the treatment liquid bath. After a certain time of treatment, the extrusion head 32 continues to move downwards and the projection 321 starts to gradually extrude the second support 35 outside the outer sleeve 31 against the surface of the pipe a to be treated. When the concave portion 322 moves to a position corresponding to the first support portion 34, the pressing head 32 stops operating. At this time, the first support part 34 is retracted inside the outer sleeve 31 and completely separated from the tubular product a to be treated. The first support 34 and the clamping point in front of the pipe a to be treated are exposed and are also given a sufficient surface treatment during the subsequent surface treatment of the latter half. While the nip point between the second support 35 and the tube a to be treated has been sufficiently treated during the surface treatment of the first half. Therefore, no clamping blind spot exists on the surface of the whole pipe, complete and sufficient surface treatment is carried out, and the quality of the pipe is high. After the surface treatment process is completed, the driving unit 60 lifts the treated pipe a to be treated out of the treatment liquid pool, then the pipe a to be treated is inserted into the tubular area B of the transfer mechanism 20, the extrusion head 32 gradually moves upwards, and the first supporting part 34 and the second supporting part 35 are completely separated from the pipe a to be treated, so that the unloading action is realized. The transfer mechanism 20 transfers the processed pipe a to be processed to the next process.

Still include supplementary fixture 80, supplementary fixture 80 hang in fixture 30's below, supplementary fixture 80 includes bottom plate 82 and fixes many thimbles 81 on bottom plate 82, many thimbles 81 are the matrix form and arrange, and its number and position all correspond with the regional B of tubulose, supplementary fixture 80 still includes the supplementary actuating mechanism that is used for driving 82 and reciprocates. Because the pipe A to be treated is hung at the lower part of the outer sleeve 31, when the clamping mechanism 30 carries the pipe A to be treated to walk in the treatment liquid pool, the lower part of the pipe A to be treated is subjected to the resistance of the treatment liquid, and a small amount of inclination can occur. According to the invention, the auxiliary clamping mechanism 80 is additionally arranged below the clamping mechanism 30, so that the lower end of the pipe A to be processed is reliably supported and fixed, the pipe A to be processed can be effectively prevented from deflecting, the position precision of the pipe A to be processed is ensured, and the pipe A to be processed can be accurately inserted into the transfer mechanism 20 during unloading.

The fixing unit 36 includes a fixing plate 361 and an auxiliary fixing plate 362 arranged in parallel at an interval from top to bottom, wherein the fixing plate 361 is fixed on a driving rod of the driving unit 60, the auxiliary fixing plate 362 is hung below the fixing plate 361, the outer sleeve 31 is fixed on the auxiliary fixing plate 362, the clamping mechanism 30 further includes a driving plate 37 fixed on the driving rod of the driving unit 60, the driving plate 37 is located between the fixing plate 361 and the auxiliary fixing plate 362 and is parallel to each other, the upper end of the extrusion head 32 is fixed on the driving plate 37, and the lower end thereof passes through the auxiliary fixing plate 362 and then is hung in the outer sleeve 31;

a limiting unit 70 is arranged between the fixed plate 361 and the auxiliary fixed plate 362, the limiting unit 70 comprises a limiting plate 71 and a guide post 72, a compression spring 73 is sleeved on the guide post 72, the lower end of the guide post 72 is fixed on the auxiliary fixed plate 362, the upper end of the guide post 72 penetrates through the plate body of the fixed plate 361 and forms sliding fit with the fixed plate 361, the plate body of the limiting plate 71 extends to the lower part of the auxiliary fixed plate 362, the limiting plate 71 is hung on the base plate 39, and the base plate 39 is fixedly connected with the horizontal moving mechanism. The horizontal moving mechanism here may be an endless conveyor line. The driving unit 60 of the present invention may be a cylinder or an electric cylinder. The driving rod of the driving unit 60, i.e., the cylinder rod or the cylinder rod, extends, and the driving fixing plate 361, the driving plate 37, and the auxiliary fixing plate 362 all move downward. When the auxiliary fixing plate 362 descends to the position of the position-limiting plate 71, the auxiliary fixing plate 362 is stopped by the position-limiting plate 71, and the auxiliary fixing plate is stopped and can not descend continuously, and at the moment, the outer sleeve 31 is inserted into the inner cavity of the pipe A to be processed. Then, the driving rod of the driving unit 60 continues to extend, the fixing plate 361 and the driving plate 37 continue to move downwards, the compression spring 73 is compressed, and in the process, the pressing head 32 moves downwards along with the driving rod and presses the first supporting part 34 to abut against the inner cavity wall of the pipe a to be processed, so that the clamping action of the pipe a to be processed is completed. After a certain time of treatment, the extrusion head 32 continues to move downwards, starting to gradually extrude the second support 35 outside the outer sleeve 31 against the surface of the tubular article a to be treated. When the driving unit 60 returns to the original position, the auxiliary fixing plate 362 is also quickly reset under the action of the compression spring 73, and the next round of use is ready. In the structure, a plurality of actions can be completed by only using one driving unit 60, linkage of the plurality of actions is realized, the structure is simplified, the size of the whole mechanism is reduced, and the cost is reduced. The limiting plate 71 can also position the outer sleeve 31 to avoid over-insertion of the outer sleeve 31.

The transfer mechanism 20 is hinged on the rack, the hinged shaft 41 is horizontally arranged, the axis of the hinged shaft is perpendicular to the length direction of the tube in the tubular area B, the turnover cylinder 42 which is obliquely arranged is further arranged between the transfer mechanism 20 and the rack, and the hinged shaft 41 and the turnover cylinder 42 form the turnover unit 40. When the transfer mechanism 20 is horizontally placed, the cylinder rod of the turnover cylinder 42 is in a contracted state. After the feeding of the pipe A to be processed is completed, the air cylinder rod of the turnover air cylinder 42 extends, the air cylinder rod slowly supports the transfer mechanism 20, and the transfer mechanism 20 is vertically placed in a turnover mode around the hinge shaft 41.

Fixture 30 be equipped with two altogether and be the upper and lower arrangement, the outer sleeve 31 position one-to-one on two fixture 30, the fixture 30 that is located the top is fixture 30a, the fixture 30 that is located the below is fixture 30b down, fixture 30 b's drive unit 60 is fixed at last fixture 30 a's top down, fixture 30 b's fixed plate 361 and drive plate 37 all link firmly fixture 30 b's drive unit 60 down through jib 38 down, fixture 30b down on also be equipped with spacing unit 70, spacing board 71 on fixture 30 b's spacing unit 70 hangs on base plate 39 down. The upper and

lower clamping mechanisms

30a and 30b have the same structure, and are newly named in the present invention to distinguish their upper and lower positions.

The driving unit 60 is an air cylinder, the driving unit 60 of the upper clamping mechanism 30a is fixed below the base plate 39, the driving unit 60 of the upper clamping mechanism 30a is fixed above the base plate 39, an air cylinder rod of the upper clamping mechanism 30a is suspended downwards, an air cylinder rod of the lower clamping mechanism 30b is suspended upwards, a top plate 61 is arranged at the tail end of the air cylinder rod of the lower clamping mechanism 30b, and the suspension rod 39 is fixed on the top plate 61. The driving unit 60 of the lower gripper 30b is fixed above the upper gripper 30a, the entire lower gripper 30b is suspended below the lower gripper 30b, the cylinder rod of the lower gripper 30b extends, the lower gripper 30b is lifted upward as a whole, the cylinder rod contracts, and the entire lower gripper 30b moves downward. After the upper clamping mechanism 30a finishes clamping the to-be-treated pipe a and the transfer mechanism 20 is withdrawn, the driving unit 60 of the lower clamping mechanism 30b starts to operate, so that the outer sleeve 31 on the lower clamping mechanism 30b is inserted into the lower end of the lumen of the to-be-treated pipe a, the driving unit 60 of the lower clamping mechanism 30b continues to operate, the extrusion head 32 on the lower clamping mechanism 30b continues to move upwards, and the extrusion head 32 extrudes the first supporting part 34 to enable the first supporting part to abut against the inner cavity wall of the to-be-treated pipe a, so that the clamping operation of the to-be-treated pipe a is completed. After a period of time for treatment, the extrusion head 32 of the upper clamping mechanism 30a continues to move downwards, the extrusion head 32 of the lower clamping mechanism 30b continues to move upwards, and both the upper clamping mechanism 30a and the lower clamping mechanism 30b start to gradually extrude the second supporting portion 35 to the outside of the outer sleeve 31 so as to enable the second supporting portion to abut against the surface of the pipe A to be treated. Because the clamping points of the upper clamping mechanism 30a, the lower clamping mechanism 30b and the pipe A to be processed can be switched, a clamping blind spot does not exist, and the surface processing effect is further improved. When the driving unit 60 returns to the original position, the auxiliary fixing plate 362 is also quickly reset under the action of the compression spring 73, and the next round of use is ready. Because the pipe A to be treated is hung at the lower part of the outer sleeve 31, when the clamping mechanism 30 carries the pipe A to be treated to walk in the treatment liquid pool, the lower part of the pipe A to be treated is subjected to the resistance of the treatment liquid, and a small amount of inclination can occur. The lower clamping mechanism 30b is additionally arranged below the clamping mechanism 30, so that the lower end of the pipe A to be processed is reliably supported and fixed, the pipe A to be processed can be effectively prevented from deflecting, the position precision of the pipe A to be processed is ensured, and the pipe A to be processed can be accurately inserted into the transfer mechanism 20 during unloading.

The extrusion head 32 is in a frustum shape as a whole, the large end of the extrusion head is fixed on the driving plate 37, the middle part of the extrusion head 32 in the rod length direction is provided with an arc-shaped groove, the arc-shaped groove forms a concave part 322, and the rod diameter between the arc-shaped groove and the small end of the extrusion head 32 forms a convex part 321. The tapered shape of the small end of the extrusion head 32 is to facilitate extrusion of the support portion and separation from the support portion. The middle section position of the frustum-shaped extrusion head 32 is provided with a circle of arc-shaped groove, the arc-shaped groove and the adjacent rod body are in chamfer transition, the first supporting part 34 can be smoothly clamped into the arc-shaped groove, and meanwhile, the first supporting part can be smoothly separated from the arc-shaped groove for treatment.

The first supporting portion 34/the second supporting portion 35 are ball pins, springs are sleeved on pin bodies, two check rings are arranged on the ball pins at intervals, one check ring is arranged inside the hole/the gap 33, and the other check ring is arranged outside the hole/the gap 33. The end of the first support 34/the second support 35 overhanging the outside of the outer sleeve 31 is spherical and smooth in surface, in order to avoid damaging the surface of the pipe a to be treated when in contact therewith. The pin body of the first support part 34/the second support part 35 is sleeved with a spring to ensure the quick return of the support parts, and the response speed of the device is improved.

Transport mechanism 20 fixes on lift platform 90, transport mechanism 20 on be provided with a plurality of circular or rectangular tubulose regional B that are used for holding pending tubular product A, the one end opening other end of tubulose regional B is sealed, the cross-sectional dimension of tubulose regional B slightly is greater than pending tubular product A's external diameter, a plurality of tubulose regional B constitution are latticed, feed mechanism 10 including the conveying platform 11 that is used for carrying tubular product, be equipped with branch charging tray 12 on the conveying platform 11, the side of branch charging tray 12 is provided with material pushing unit 13, material pushing unit 13 is used for with pending tubular product A propelling movement to transport mechanism 20 in the tubulose regional B of branch charging tray 12. The tubular area B has a positioning function on the tubular material A to be processed, and the tubular area B can be positioned for the next working procedure. In other words, the transfer mechanism 20 is provided with lumens arranged in a matrix shape, and the cross-sectional shapes of the lumens can be square or circular, and of course, the lumens can also be irregular, as long as the lumens can accommodate pipes to be fed. A row of pipes to be fed are placed on a material distribution disc 12 of the conveying platform 11, the number and the positions of the pipes correspond to those of the tubular areas B, the material pushing unit 13 pushes the row of pipes on the conveying platform 11 into the corresponding row of tubular areas B, and then the lifting platform moves upwards or downwards, namely the tubular areas B with vacant positions in the next row are moved to the corresponding positions of the pipes A to be processed, so that the pipes are fed line by line, and the efficiency is very high.

The section size of the tubular area B is adjustable, and the minimum value of the tubular area B is slightly larger than the outer diameter of the pipe A to be processed. The slightly larger means that the sectional dimension of the tubular area B is slightly larger than the outer diameter of the pipe a to be processed by a little, for example, 0.5-1mm, so that the pipe a to be processed can be ensured to be completely inserted into the tubular area B, the pipe a to be processed can be ensured not to rotate in the tubular area B, the position of the pipe a to be processed in the tubular area B can be ensured not to be changed, and the function of positioning the pipe a to be processed in the tubular area B can be realized. When the pushing unit 13 is used for feeding the conveying mechanism 20, that is, when the pushing unit 13 pushes the pipe into the tubular area B, the cross-sectional dimension of the tubular area B is at its maximum, and at this time, the cross-sectional dimension of the tubular area B is obviously larger than the outer diameter of the pipe a to be processed. The structure is convenient for the insertion of the pipe A to be processed, and allows a small amount of deviation of the position of the pipe A to be processed on the material distribution disc 12. After the feeding action is finished, namely the pipe A to be processed is completely inserted into the tubular area B, the section of the tubular area B is adjusted, so that the size of the section of the tubular area B is at the minimum value, the pipe A to be processed is firmly locked in the tubular area B, the position of the locked pipe A to be processed is very accurate and cannot be changed any more, the accurate positioning of the pipe A to be processed is realized, and the preparation is made for the next procedure.

When the feeding mechanism 10 feeds, the pushing unit 13 pushes the to-be-processed pipe A which is horizontally placed into the tubular area B, after the feeding process is completed, the overturning unit 40 overturns for 90 degrees, the opening of the tubular area B faces upwards after overturning, and then the clamping mechanism 30 moves to the position above the transfer mechanism 20 to perform the clamping process.

When the transfer mechanism 20 feeds, the transfer mechanism 20 is horizontally arranged, the axis of the tubular area B is horizontally arranged, the pipe a to be processed is located at the opening end side of the tubular area B, and the material pushing unit 13 gradually pushes the pipe a to be processed into the cavity of the tubular area B from the opening end of the tubular area B. After the feeding process is completed, the turnover unit 40 drives the transfer mechanism 20 to turn over for 90 degrees, the closed end of the tubular area B is positioned below the transfer mechanism 20 after turnover, and the pipe A to be processed is vertically placed on the transfer mechanism 20 at the moment. Then insert pending tubular product A with 31 with fixture 30's overcoat in, the power supply continues to drive first supporting part 34 and leans on pending tubular product A lumen inner wall, and fixture 30 has realized the centre gripping fixed to pending tubular product A this moment, accomplishes pending tubular product A's material loading action, transport mechanism 20 alright withdraw the return afterwards. The tubular regions B provided on the transfer mechanism 20 can accommodate a plurality of pipes a to be processed simultaneously, and can position the plurality of pipes a to be processed.

The material distribution disc 12 comprises a shallow opening chassis 121 arranged on the conveying platform 11 and a vibration cover plate 122 covering the shallow opening chassis 121, a plurality of arc-shaped grooves 123 are arranged on the vibration cover plate 122 at equal intervals, the groove length direction of the arc-shaped grooves 123 is perpendicular to the conveying direction of the conveying platform 11, the cross sections of the arc-shaped grooves 123 are of small semicircular structures, the groove openings of the arc-shaped grooves 123 face downwards, and the width sizes of the groove openings are matched with the size of a pipe A to be processed. The vibrating cover plate 122 is a movable vibrating plate, and the vibrating cover plate 122 can be covered on the shallow opening bottom plate 121, can be fixedly connected with the shallow opening bottom plate 121 into a whole, and can also be separated from the shallow opening bottom plate 121. In the process of covering the vibration cover plate 122 on the shallow-mouth chassis 121, the vibration cover plate 122 continuously vibrates, that is, the vibration cover plate 122 continuously vibrates while covering the shallow-mouth chassis 121 downwards. A row of pipes a to be processed on the shallow chassis 121 are clamped in the arc grooves 123, and the arc grooves 123 position the pipes a to be processed on the shallow chassis 121. Therefore, the arrangement of the arc-shaped grooves 123 can ensure that the positions of the pipes a to be processed on the shallow chassis 121 correspond to the positions of the tubular areas B in the same row of the transfer mechanism 20 one by one, and the material pushing unit 13 horizontally pushes the pipes a to be processed, so that the feeding action can be realized.

The comb plate 20a is provided with a linear moving unit 50, and the linear moving unit 50 drives the comb plate 20a to be drawn away towards the outer side or inserted towards the inner side. After the to-be-processed pipe A of the to-be-processed pipe conveying mechanism 20 is fixed by the next-stage clamping mechanism, the conveying mechanism 20 can be evacuated, the linear moving units 50 on the two groups of comb plates 20a pull the comb plates 20a towards the outer side respectively, the two groups of comb teeth 22 are drawn away from the periphery of the to-be-processed pipe A, the to-be-processed pipe A is free from constraint, the drawn-away comb plates 20a and the clamping mechanism 30 of the next process are located at avoiding positions, and the clamping mechanism 30 can drive the to-be-processed pipe A to complete the next process. After the clamping mechanism 30 is far away from the conveying mechanism 20, the two groups of comb plates 20a are inserted towards the inner side to form the conveying mechanism 20, so that preparation is made for next feeding.

The cross-section of broach 22 be cam or eccentric wheel, broach 22 articulates to be fixed on broach bottom plate 21, the power supply is connected in broach 22's pivot, each broach 22's pivot on all be provided with the worm wheel, the worm wheel of each line of broach 22 all drives through same worm, many worms are one row and arrange, and many worms all link to each other with the power supply through the interior cingulum.

The cross section of the comb teeth 22 is oval, the rotating shaft of the comb teeth 22 is fixed on the comb tooth bottom plate 21, and the rotating shaft of the comb teeth 22 is connected with a power source. The cross-section of the comb teeth 22 may be circular, as long as they are eccentric. The present invention is preferably a comb tooth of an elliptical structure.

The comb 22 is substantially an eccentric structure having a major axis and a minor axis, and the comb 22 is rotatable about its eccentric axis. The space between the two comb teeth 22 can be adjusted by rotating the comb teeth 22, thereby adjusting the sectional size of the tubular region B. The plurality of comb teeth 22 can be rotated simultaneously only by the power source driving the internal toothed belt to rotate.

The number and the positions of the arc-shaped grooves 123 correspond to those of the tubular areas B. The arc-shaped groove 123 positions the pipe A to be processed on the shallow bottom disc 121. Therefore, the arrangement of the arc-shaped grooves 123 can ensure that the positions of the pipes a to be processed on the shallow chassis 121 correspond to the positions of the tubular areas B in the same row of the transfer mechanism 20 one by one, and the material pushing unit 13 horizontally pushes the pipes a to be processed, so that the feeding action can be realized.

The material pushing unit 13 includes a material pushing cylinder 131 and a material pushing plate 132, the material pushing cylinder 131 is fixed on the frame beside, the plate surface of the material pushing plate 132 is parallel to the vertical section of the material distribution plate 12, and the plate length of the material pushing plate 132 can cover the area of all the pipes a to be processed on the material distribution plate 12. That is to say, the material pushing plate 132 can push all the tubes a to be processed on the material distribution tray 12 to be inserted into the transferring mechanism 20 at the same time, so as to improve the working efficiency.

Claims

1. A transfer mechanism, its characterized in that: the transfer mechanism (20) is provided with a plurality of circular or rectangular tubular areas B for accommodating the pipes A to be processed, one end of each tubular area B is open, and the other end of each tubular area B is closed, the cross section of each tubular area B is slightly larger than the outer diameter of the pipe A to be processed, the plurality of tubular areas B form a square grid shape, the cross section of each tubular area B is adjustable, and the minimum value of the cross section of each tubular area B is slightly larger than the outer diameter of the pipe A to be processed;

the transfer mechanism (20) is formed by vertically inserting two groups of comb plates (20 a), each comb plate comprises a comb bottom plate (21) and a plurality of comb teeth (22), the comb teeth (22) are arranged on the comb bottom plate (21) at intervals in a matrix shape, the comb teeth on the two groups of comb plates are perpendicularly crossed and inserted to form a plurality of rectangular cavities with equal cross-sectional areas, the transfer mechanism (20) further comprises a supporting plate (23), the supporting plate (23) covers one end of each rectangular cavity, the supporting plates (23) are fixedly connected to the adjacent comb bottom plates (21), and the supporting plates (23) and the rectangular cavities are enclosed to form a tubular area B;

the comb plate (20 a) is provided with a linear moving unit (50), and the linear moving unit (50) drives the comb plate (20 a) to be drawn away towards the outer side or inserted towards the inner side;

the cross section of the comb teeth (22) is oval, the comb teeth (22) are eccentrically hinged and fixed on a comb tooth bottom plate (21), and a hinged shaft of the comb teeth (22) is connected with a power source;

the articulated shaft of each broach (22) on all be provided with the worm wheel, the worm wheel of every line broach (22) all drives through same worm, many worms are one row and arrange, and many worms all link to each other with the power supply through interior cingulum.

2. The transfer mechanism of claim 1, wherein: the transfer mechanism (20) further comprises an overturning unit (40), the overturning unit (40) drives the transfer mechanism (20) to be horizontally placed or vertically placed, when the transfer mechanism (20) is horizontally placed, the tube length direction of the tubular area B is arranged along the horizontal direction, and the opening of the tubular area B faces the feeding mechanism (10); when the transfer mechanism (20) is vertically placed, the tube length direction of the tubular region B is arranged along the vertical direction and the rectangular tubular region B is opened upward.

3. The transfer mechanism of claim 2, wherein: the transfer mechanism (20) is fixed on the lifting platform (90).

4. The transfer mechanism of claim 3, wherein: the transfer mechanism (20) is hinged on the rack, the hinged shaft (41) is horizontally arranged, the axis of the hinged shaft is perpendicular to the length direction of the tube in the tubular area B, an obliquely arranged overturning cylinder (42) is further arranged between the transfer mechanism (20) and the rack, and the hinged shaft (41) and the overturning cylinder (42) form an overturning unit (40).

5. A pipe surface treatment system, comprising: the pipe surface treatment system comprises the transfer mechanism of any one of claims 1-4.