CN109500624B

CN109500624B - Machining process for upper plate of H-shaped long beam

Info

Publication number: CN109500624B
Application number: CN201811265119.6A
Authority: CN
Inventors: 方法; 龚敏; 谭畅; 张治平; 杜小权
Original assignee: China's Electrical Engineering Equipment Ltd Wuhan
Current assignee: China's Electrical Engineering Equipment Ltd Wuhan
Priority date: 2018-10-29
Filing date: 2018-10-29
Publication date: 2020-01-10
Anticipated expiration: 2038-10-29
Also published as: CN109500624A

Abstract

A machining process for a plate on an H-shaped long beam comprises the steps of conveying a metal plate to be machined to a plate conveying unit, driving a plate conveying pushing hand to move horizontally along a plate conveying empty groove to push the metal plate to be machined to a cutting unit, adjusting each strip supporting seat in the cutting unit to change the distribution density of the strip supporting seats below the metal plate and the distance between the top end of each strip supporting seat and the bottom surface of the metal plate, and cutting the metal plate by a cutting machine suspended above the cutting unit after the adjustment operation is finished. This design not only the adjustability is stronger, does benefit to moreover and improves cutting quality and retrieve the piece.

Description

Machining process for upper plate of H-shaped long beam

Technical Field

The invention relates to a metal plate processing technology, in particular to a processing technology for a plate on an H-shaped long beam.

Background

The existing thermal power plant needs to use a large amount of steel structural members, such as a tower crane shell, a power generation boiler support, a pipe truss and the like, wherein girders with H-shaped structures and field-shaped structures are most common, and the original plates need to be subjected to technological operations such as blanking, plate shearing, small plate punching, welding, correcting, grinding or paint spraying in the process of manufacturing the girders, wherein the plates need to be cut when blanking and plate shearing are carried out.

In the prior art, the cutting modes of the plate include four modes, namely numerical control plasma cutting, numerical control flame cutting, numerical control water pressure cutting and numerical control aurora cutting. Meanwhile, when the plate is cut, the plate needs to be placed on a certain platform to be matched with a cutting machine to complete cutting operation, so that the cutting platform is an essential important part in metal processing.

But current cutting platform is mostly foraminiferous monoblock metal sheet, and not only the structure is heavy, the quality is big, with high costs, does not have the adjustability moreover, is difficult to adjust its position according to the demand on the spot of using, in addition, easy damaged in the use, difficult maintenance, unless whole change, but the replacement cost is higher, is very unfavorable for going on smoothly of metal working, can reduce processing technology's result of use, increases the processing degree of difficulty.

The information disclosed in this background section is only for enhancement of understanding of the general background of the patent application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The invention aims to overcome the defects and problems of poor adjustability and high maintenance cost in the prior art, and provides a machining process for a plate on an H-shaped long beam, which has the advantages of high adjustability and low maintenance cost.

In order to achieve the above purpose, the technical solution of the invention is as follows: a processing technology for a plate on an H-shaped long beam comprises the following steps: firstly, a metal plate to be processed is conveyed to the plate conveying unit, then the plate conveying pushing hands are driven to horizontally move along the plate conveying empty grooves, the metal plate to be processed is pushed to the cutting unit, then each strip-shaped supporting seat in the cutting unit is adjusted, the distribution density of the strip-shaped supporting seats below the metal plate and the distance between the top end of each strip-shaped supporting seat and the bottom surface of the metal plate are changed, the adjustment operation comprises the transverse movement and the vertical movement of the strip-shaped supporting seats, and after the adjustment operation is finished, the metal plate is cut by the cutting machine which is suspended above the cutting unit.

The cutting unit comprises a plurality of strip supporting seats with the same structure, the adjacent strip supporting seats are parallel to each other, and a seat space is arranged between the adjacent strip supporting seats; rectangular supporting seat includes rectangular base member, elevating gear and a plurality of support monomer No. two, it includes metal ball and plastics ball seat to support the monomer, the top of plastics ball seat is connected with the bottom of metal ball, and the bottom of plastics ball seat is connected with the top of rectangular base member, and the both ends of rectangular base member are connected with elevating gear, elevating gear's top output No. two respectively, and are provided with the miscellaneous net that falls in the below of rectangular base member.

The top end of the plastic ball seat is provided with an inwards concave ball socket, and the inner wall of the ball socket is connected with the bottom end of a metal ball inside the ball socket.

The bottom end of the metal ball is connected with the inner wall of the ball socket through the buffer body.

The strip-shaped substrate is of a hollow structure, a coaxial strip-shaped cavity is formed in the strip-shaped substrate, one end of the strip-shaped cavity is flush with the end face of the strip-shaped substrate, and the other end of the strip-shaped cavity is connected with the air inlet pipe head;

the plastics ball seat includes spherical surface portion and fixed part, spherical surface portion's side wall is the spherical surface structure, has seted up a plurality of bleeder vents on spherical surface portion's the side wall, and spherical surface portion's top is connected with the bottom of metal ball, and spherical surface portion's bottom is connected with the top of fixed part, and the bottom of fixed part is worn to contact with rectangular cavity behind the top surface of rectangular base member, spherical surface portion's inside seted up with the communicating spherical cavity of bleeder vent, fixed cavity has been seted up to the inside of fixed part, and the spherical cavity is linked together with rectangular cavity behind the fixed cavity.

The spherical cavity comprises a hemispherical cavity and a frustum cavity, the bottom end of the hemispherical cavity is communicated with the top end of the fixed cavity after passing through the frustum cavity, the top end of the frustum cavity is wider than the bottom end of the frustum cavity, and the air holes are formed along the joint line of the hemispherical cavity and the frustum cavity.

The side wall of the spherical surface part is of an elliptical spherical surface structure.

Be provided with the external screw thread on the outer wall of the bottom of fixed part, a plurality of fixed slots have been seted up on the rectangular base member, are provided with the internal thread on the inner wall of this fixed slot, and the inner wall of fixed slot carries out threaded connection with the outer wall of the bottom of inserting its inside fixed part.

The both ends of rectangular base member are connected with a drive bearing, No. two drive bearing's inside respectively, and a drive bearing's outside is connected with elevating gear's top output, and No. two drive bearing's outside is connected with elevating gear's top output No. two, and elevating gear, No. two elevating gear's bottom all is connected with the top surface of a horizontal slider is perpendicular, and the both sides portion of horizontal slider respectively carries out sliding fit along a horizontal spout.

The bottom of horizontal spout is connected with sliding bottom's top surface, and sliding bottom's inside recess and the lateral part that is located its inside horizontal slider of horizontal spout carry out sliding fit, and horizontal slider, inside recess all are higher than sliding bottom and set up, and sliding bottom's centre position evenly is provided with a plurality of bottom plate holes along its axial, runs through on the horizontal slider and sets up the slider hole corresponding with the bottom plate hole.

The volume of the part of the metal ball positioned in the ball socket is one third to two thirds of the volume of the whole metal ball.

Compared with the prior art, the invention has the beneficial effects that:

1. in the processing technology of the plate for the H-shaped long beam, the cutting unit used as the cutting platform comprises a plurality of strip supporting seats with the same structure, the adjacent strip supporting seats are parallel to each other, each strip supporting seat comprises a strip base body, a first lifting device, a second lifting device and a plurality of supporting single bodies, wherein the top ends of metal balls in the supporting single bodies are directly contacted with a metal plate to be processed to play a supporting role, and the application advantages of the plate comprise that: firstly, each strip supporting seat can move transversely to change the gap between the adjacent strip supporting seats, so that the overall distribution density of the cutting units is adjusted to adapt to different conditions of the bottom surface of the metal plate; secondly, the first lifting device and the second lifting device can drive the corresponding strip supporting seats to vertically move up and down, so that the distribution density of the cutting units on the whole can be further adjusted, and the cutting device is also suitable for processing metal plates out of planes, such as curved surfaces, cambered surfaces and the like; thirdly, all include a plurality of support monomers on every rectangular supporting seat, in case take place to damage, direct maintenance or the support monomer that the replacement corresponds can, and need not replace whole rectangular supporting seat, more need not replace whole cutting unit, not only easy to maintain, cost greatly reduced moreover. Therefore, the invention has the advantages of strong adjustability, wide application range, easy maintenance and low maintenance cost.

2. In the processing technology of the upper plate of the H-shaped long beam, the support monomer comprises a metal ball and a plastic ball seat, the top end of the plastic ball seat is connected with the bottom end of the metal ball, and the bottom end of the plastic ball seat is connected with the top of the long-strip base body, and the processing technology has the following application advantages: firstly, the metal balls are in direct contact with the metal plate, and even if the metal balls are damaged, only one metal ball needs to be replaced, the whole supporting monomer does not need to be replaced, so that the maintenance is easy, and the cost is low; secondly, even if the plastic ball seat is damaged and needs to be replaced, the manufacturing material is plastic, and the cost is lower than that of metal; thirdly, the material of plastics ball seat makes it compare with the metal material, possesses stronger elasticity, can cushion the cutting operation and to whole support free impact, reduces impaired probability, especially when the ball socket of indent is seted up on the top of plastics ball seat, and the effect is better, on this basis, if set up the buffering body again, then the effect is better, not only does benefit to the protection plastics ball seat, also does benefit to the protection metal ball. Therefore, the invention has the advantages of lower manufacturing and maintenance cost, higher safety and lower breakage rate.

3. In the processing technology of the upper plate of the H-shaped long beam, the strip-shaped base body is internally provided with the strip-shaped cavity for ventilation, the spherical surface part and the fixing part of the plastic ball seat are respectively provided with the spherical cavity and the fixing cavity, the ventilation holes arranged on the side periphery of the spherical surface part are communicated with the strip-shaped cavity after sequentially passing through the spherical cavity and the fixing cavity, and the application advantages of the invention comprise that: firstly, the gas can be sprayed out of the air holes, so that the cutting part can be cooled, the deformation of the metal plate can be reduced, the temperature of chips in cutting can be reduced, and the long-strip supporting seat can be prevented from being damaged; secondly, the gas can blow away the scraps generated during cutting in time, so that the normal cutting is prevented from being hindered, the scraps are favorably conveyed into a impurity falling net at the lowest part and are convenient to recover, and particularly, when the air holes are arranged along the joint line of the hemispherical cavity and the frustum cavity, the effect is better; thirdly, the outside of metal ball is enclosed and is the sphere, and the outside of sphere portion is enclosed and also is the sphere, and the diameter of sphere portion is greater than the metal ball, and the design of two spheres not only does benefit to clastic scattering and whereabouts and retrieves, enables moreover that the probability that the piece falls on the metal ball is less than the probability that falls on sphere portion, realizes the priority of protection metal ball, and sphere portion is because the volume is bigger than the metal ball, possesses stronger endurance loss, simultaneously, its plastics material also is convenient for maintain, and the cost is also low. Therefore, the invention is not only beneficial to improving the cutting quality and recovering the scraps, but also has higher safety and lower maintenance cost.

4. In the processing technology of the upper plate of the H-shaped long beam, the plastic ball seats are made of plastic, so that the upper plate has the advantages of easiness in maintenance, low cost and light weight, and is easy to find out damage. Therefore, the present invention is easy to maintain.

5. In the processing technology of the upper plate of the H-shaped long beam, the bottom ends of a first lifting device and a second lifting device are vertically connected with the top surface of a horizontal sliding block, two side parts of the horizontal sliding block are in sliding fit along a horizontal sliding chute respectively, the design can realize the horizontal sliding of the first lifting device and the second lifting device, and further realize the horizontal sliding of the long strip supporting seats, so that each long strip supporting seat has the horizontal and vertical adjusting capability to adapt to more application requirements. Therefore, the invention not only has stronger adjustability, but also has higher precision.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the cutting unit of fig. 1.

Fig. 3 is a side view of the elongate support base of fig. 2.

Fig. 4 is a top view of the horizontal slider and its corresponding horizontal runner of fig. 3.

Fig. 5 is a bottom view of fig. 4.

In the figure: the device comprises a metal plate 1, a cutting unit 2, an elongated support base 21, an inter-base clearance 211, an elongated base 22, an elongated cavity 221, an air inlet pipe head 222, a fixing groove 223, a support single body 23, a first lifting device 24, a first drive bearing 241, a horizontal sliding block 242, a horizontal sliding chute 243, a sliding bottom plate 244, a bottom plate hole 245, a sliding block hole 246, an internal groove 247, a second lifting device 25, a second drive bearing 251, a metal ball 26, a buffer body 261, a plastic ball seat 27, a ball socket 271, an air hole 272, a spherical surface part 28, a spherical cavity 281, a hemispherical cavity 282, a conical table cavity 283, a fixing part 29, a fixing cavity 291, a impurity falling net 3, a plate feeding unit 5, a plate feeding clearance 51 and a plate feeding pushing hand 52.

Detailed Description

The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.

Referring to fig. 1 to 5, a process for machining a plate on an H-shaped long beam, the process comprising the steps of: firstly, a metal plate 1 to be processed is conveyed to a plate conveying unit 5, then a plate conveying pushing hand 52 is driven to horizontally move along a plate conveying empty groove 51, so that the metal plate 1 to be processed is pushed to a cutting unit 2, then each strip supporting seat 21 in the cutting unit 2 is adjusted, the distribution density of the strip supporting seats 21 below the metal plate 1 and the distance between the top end of each strip supporting seat 21 and the bottom surface of the metal plate 1 are changed, the adjustment operation comprises the transverse movement and the vertical movement of each strip supporting seat 21, and after the adjustment operation is finished, the metal plate 1 is cut by a cutting machine suspended above the cutting unit 2.

The cutting unit 2 comprises a plurality of strip supporting seats 21 with the same structure, the adjacent strip supporting seats 21 are parallel to each other, and a seat space 211 is arranged between the adjacent strip supporting seats 21; rectangular supporting seat 21 includes rectangular base member 22, elevating gear 24, No. two elevating gear 25 and a plurality of support monomer 23, support monomer 23 and include metal ball 26 and plastics ball seat 27, the top of plastics ball seat 27 is connected with metal ball 26's bottom, and the bottom of plastics ball seat 27 is connected with rectangular base member 22's top, and rectangular base member 22's both ends are connected with elevating gear 24, No. two elevating gear 25's top output respectively, and are provided with miscellaneous net 3 that falls in rectangular base member 22's below.

The top end of the plastic ball seat 27 is provided with a concave ball socket 271, and the inner wall of the ball socket 271 is connected with the bottom end of the metal ball 26 inside the ball socket 271.

The bottom end of the metal ball 26 is connected with the inner wall of the ball socket 271 through the buffer 261.

The strip-shaped substrate 22 is of a hollow structure, a coaxial strip-shaped cavity 221 is formed in the strip-shaped substrate 22, one end of the strip-shaped cavity 221 is flush with the end face of the strip-shaped substrate 22, and the other end of the strip-shaped cavity 221 is connected with the air inlet pipe head 222;

the plastic ball seat 27 comprises a spherical surface portion 28 and a fixing portion 29, the side wall of the spherical surface portion 28 is of a spherical structure, a plurality of air holes 272 are formed in the side wall of the spherical surface portion 28, the top end of the spherical surface portion 28 is connected with the bottom end of the metal ball 26, the bottom end of the spherical surface portion 28 is connected with the top end of the fixing portion 29, the bottom end of the fixing portion 29 penetrates through the top surface of the strip base body 22 and then contacts with the strip-shaped cavity 221, a spherical cavity 281 communicated with the air holes 272 is formed in the spherical surface portion 28, a fixing cavity 291 is formed in the fixing portion 29, and the spherical cavity 281 is communicated with the strip-shaped cavity 221.

The spherical cavity 281 comprises a hemispherical cavity 282 and a conical platform cavity 283, the bottom end of the hemispherical cavity 282 is communicated with the top end of the fixed cavity 291 through the conical platform cavity 283, the top end of the conical platform cavity 283 is wider than the bottom end of the conical platform cavity 283, and the air holes 272 are arranged along the joint line of the hemispherical cavity 282 and the conical platform cavity 283.

The side wall of the spherical surface part 28 is of an elliptical spherical structure.

An external thread is provided on an outer wall of the bottom end of the fixing portion 29, a plurality of fixing grooves 223 are formed on the elongated base 22, an internal thread is provided on an inner wall of the fixing groove 223, and the inner wall of the fixing groove 223 is screwed to the outer wall of the bottom end of the fixing portion 29 inserted therein.

Two ends of the long-strip base body 22 are respectively connected with the insides of a first driving bearing 241 and a second driving bearing 251, the outside of the first driving bearing 241 is connected with the top output end of a first lifting device 24, the outside of the second driving bearing 251 is connected with the top output end of a second lifting device 25, the bottom ends of the first lifting device 24 and the second lifting device 25 are vertically connected with the top surface of a horizontal sliding block 242, and two side parts of the horizontal sliding block 242 are in sliding fit along a horizontal sliding groove 243.

The bottom of the horizontal sliding chute 243 is connected with the top surface of the sliding bottom plate 244, the inner groove 247 of the horizontal sliding chute 243 is in sliding fit with the side part of the horizontal sliding block 242 located inside the horizontal sliding chute 243, the horizontal sliding block 242 and the inner groove 247 are both arranged higher than the sliding bottom plate 244, a plurality of bottom plate holes 245 are uniformly arranged in the middle of the sliding bottom plate 244 along the axial direction of the sliding bottom plate, and sliding block holes 246 corresponding to the bottom plate holes 245 are formed in the horizontal sliding block 242 in a penetrating mode.

The volume of the portion of the metal ball 26 located in the ball socket 271 is one third to two thirds of the volume of the entire metal ball 26.

The principle of the invention is illustrated as follows:

compared with the prior art, the cutting unit 2 in the invention is used as a cutting platform in cutting processing, the design of a fixed block structure is completely abandoned, a plurality of parallel strip supporting seats 21 are adopted to increase flexibility and adjustability, and on the basis, each strip supporting seat 21 is provided with a plurality of supporting monomers 23 to further enhance the adjustability, thereby enhancing the adjustability as a whole and reducing the manufacturing, using and maintaining costs.

In the invention, a metal plate 1 to be processed placed on a cutting unit 2 is fed by a plate feeding unit 5, a plate feeding empty groove 51 is formed in the plate feeding unit 5, a plate feeding pushing hand 52 is arranged in the plate feeding empty groove 51, and when the cutting device is applied, the plate feeding pushing hand 52 slides along the plate feeding empty groove 51, so that the metal plate 1 is pushed into the cutting unit 2, and the cutting device to be suspended above the cutting unit 2 is used for cutting.

Example 1:

The special equipment of the processing technology comprises the following steps: the plate feeding device comprises a plate feeding unit 5 and a cutting unit 2, wherein a discharge hole of the plate feeding unit 5 is communicated with a feed hole of the cutting unit 2, and a cutting machine is arranged above the cutting unit 2 in a hanging manner; the cutting unit 2 comprises a plurality of strip supporting seats 21 with the same structure, the adjacent strip supporting seats 21 are parallel to each other, and a seat space 211 is arranged between the adjacent strip supporting seats 21; rectangular supporting seat 21 includes rectangular base member 22, elevating gear 24, No. two elevating gear 25 and a plurality of support monomer 23, support monomer 23 and include metal ball 26 and plastics ball seat 27, the top of plastics ball seat 27 is connected with metal ball 26's bottom, and the bottom of plastics ball seat 27 is connected with rectangular base member 22's top, and rectangular base member 22's both ends are connected with elevating gear 24, No. two elevating gear 25's top output respectively, and are provided with miscellaneous net 3 that falls in rectangular base member 22's below. Preferably, the top end of the plastic ball seat 27 is provided with a concave ball socket 271, and the inner wall of the ball socket 271 is connected with the bottom end of the metal ball 26 inside the ball socket 271. Further preferably, the bottom end of the metal ball 26 is connected to the inner wall of the socket 271 through the buffer 261.

Example 2:

the basic contents are the same as example 1, except that:

the strip-shaped substrate 22 is of a hollow structure, a coaxial strip-shaped cavity 221 is formed in the strip-shaped substrate 22, one end of the strip-shaped cavity 221 is flush with the end face of the strip-shaped substrate 22, and the other end of the strip-shaped cavity 221 is connected with the air inlet pipe head 222; the plastic ball seat 27 comprises a spherical surface portion 28 and a fixing portion 29, the side wall of the spherical surface portion 28 is of a spherical structure, a plurality of air holes 272 are formed in the side wall of the spherical surface portion 28, the top end of the spherical surface portion 28 is connected with the bottom end of the metal ball 26, the bottom end of the spherical surface portion 28 is connected with the top end of the fixing portion 29, the bottom end of the fixing portion 29 penetrates through the top surface of the strip base body 22 and then contacts with the strip-shaped cavity 221, a spherical cavity 281 communicated with the air holes 272 is formed in the spherical surface portion 28, a fixing cavity 291 is formed in the fixing portion 29, and the spherical cavity 281 is communicated with the strip-shaped cavity 221.

Example 3:

the basic content is the same as that of the embodiment 2, except that:

the spherical cavity 281 comprises a hemispherical cavity 282 and a conical platform cavity 283, the bottom end of the hemispherical cavity 282 is communicated with the top end of the fixed cavity 291 through the conical platform cavity 283, the top end of the conical platform cavity 283 is wider than the bottom end of the conical platform cavity 283, and the air holes 272 are arranged along the joint line of the hemispherical cavity 282 and the conical platform cavity 283. Preferably, the side wall of the spherical part 28 is an elliptical spherical structure.

Example 4:

the basic contents are the same as example 1, except that:

two ends of the long-strip base body 22 are respectively connected with the insides of a first driving bearing 241 and a second driving bearing 251, the outside of the first driving bearing 241 is connected with the top output end of a first lifting device 24, the outside of the second driving bearing 251 is connected with the top output end of a second lifting device 25, the bottom ends of the first lifting device 24 and the second lifting device 25 are vertically connected with the top surface of a horizontal sliding block 242, and two side parts of the horizontal sliding block 242 are in sliding fit along a horizontal sliding groove 243. The bottom of the horizontal sliding chute 243 is connected with the top surface of the sliding bottom plate 244, the inner groove 247 of the horizontal sliding chute 243 is in sliding fit with the side part of the horizontal sliding block 242 located inside the horizontal sliding chute 243, the horizontal sliding block 242 and the inner groove 247 are both arranged higher than the sliding bottom plate 244, a plurality of bottom plate holes 245 are uniformly arranged in the middle of the sliding bottom plate 244 along the axial direction of the sliding bottom plate, and sliding block holes 246 corresponding to the bottom plate holes 245 are formed in the horizontal sliding block 242 in a penetrating mode.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.

Claims

1. A processing technology for a plate on an H-shaped long beam is characterized by comprising the following steps: the processing technology comprises the following steps: firstly, a metal plate (1) to be processed is conveyed to a plate conveying unit (5), then a plate conveying pushing hand (52) is driven to horizontally move along a plate conveying empty groove (51) so as to push the metal plate (1) to be processed to a cutting unit (2), then each strip-shaped supporting seat (21) in the cutting unit (2) is adjusted, the distribution density of the strip-shaped supporting seats (21) below the metal plate (1) and the distance between the top end of each strip-shaped supporting seat (21) and the bottom surface of the metal plate (1) are changed, the adjustment operation comprises the transverse movement and the vertical movement of the strip-shaped supporting seats (21), and after the adjustment operation is finished, a cutting machine suspended above the cutting unit (2) is used for cutting the metal plate (1);

the cutting unit (2) comprises a plurality of strip supporting seats (21) with the same structure, the adjacent strip supporting seats (21) are parallel to each other, and a seat space clamp (211) is arranged between the adjacent strip supporting seats (21); the long strip supporting seat (21) comprises a long strip base body (22), a first lifting device (24), a second lifting device (25) and a plurality of supporting single bodies (23), each supporting single body (23) comprises a metal ball (26) and a plastic ball seat (27), the top end of each plastic ball seat (27) is connected with the bottom end of the metal ball (26), the bottom end of each plastic ball seat (27) is connected with the top of the long strip base body (22), the two ends of each long strip base body (22) are respectively connected with the top output ends of the first lifting device (24) and the second lifting device (25), and a sundry falling net (3) is arranged below the long strip base body (22);

the strip-shaped base body (22) is of a hollow structure, a coaxial strip-shaped cavity (221) is formed in the strip-shaped base body (22), one end of the strip-shaped cavity (221) is flush with the end face of the strip-shaped base body (22), and the other end of the strip-shaped cavity (221) is connected with the air inlet pipe head (222); plastics ball seat (27) are including face of sphere (28) and fixed part (29), the side wall of face of sphere (28) is spherical structure, has seted up a plurality of bleeder vents (272) on the side wall of face of sphere (28), and the top of face of sphere (28) is connected with the bottom of metal ball (26), and the bottom of face of sphere (28) is connected with the top of fixed part (29), and the bottom of fixed part (29) is worn to contact with rectangular cavity (221) behind the top surface of rectangular base member (22), communicating spherical cavity (281) with bleeder vent (272) have been seted up to the inside of face of sphere (28), fixed cavity (291) have been seted up to the inside of fixed part (29), and spherical cavity (281) are linked together with rectangular cavity (221) behind fixed cavity (291).

2. The processing technology for the plate used on the H-shaped long beam as claimed in claim 1, is characterized in that: the top end of the plastic ball seat (27) is provided with an inwards concave ball socket (271), and the inner wall of the ball socket (271) is connected with the bottom end of the metal ball (26) positioned in the ball socket (271).

3. The processing technology for the plate on the H-shaped long beam as claimed in claim 1 or 2, wherein the processing technology comprises the following steps: spherical cavity (281) include hemisphere body chamber (282) and circular cone platform chamber (283), the bottom of hemisphere body chamber (282) is linked together with the top of fixed cavity (291) behind circular cone platform chamber (283), and the top of circular cone platform chamber (283) is wider than its bottom setting, and bleeder vent (272) set up along hemisphere body chamber (282), circular cone platform chamber (283) handing-over line.

4. The processing technology for the plate on the H-shaped long beam as claimed in claim 1 or 2, wherein the processing technology comprises the following steps: the side wall of the spherical surface part (28) is of an elliptical spherical structure.

5. The processing technology for the plate on the H-shaped long beam as claimed in claim 1 or 2, wherein the processing technology comprises the following steps: the fixing device is characterized in that external threads are arranged on the outer wall of the bottom end of the fixing portion (29), a plurality of fixing grooves (223) are formed in the long base body (22), internal threads are formed in the inner walls of the fixing grooves (223), and the inner walls of the fixing grooves (223) are in threaded connection with the outer wall of the bottom end of the fixing portion (29) inserted into the fixing portion.

6. The processing technology for the plate on the H-shaped long beam as claimed in claim 1 or 2, wherein the processing technology comprises the following steps: the two ends of the long-strip base body (22) are respectively connected with the interiors of a first driving bearing (241) and a second driving bearing (251), the outside of the first driving bearing (241) is connected with the top output end of a first lifting device (24), the outside of the second driving bearing (251) is connected with the top output end of a second lifting device (25), the bottom ends of the first lifting device (24) and the second lifting device (25) are vertically connected with the top surface of a horizontal sliding block (242), and the two side portions of the horizontal sliding block (242) are in sliding fit along a horizontal sliding groove (243).

7. The processing technology for the plate used on the H-shaped long beam as claimed in claim 6, wherein the processing technology comprises the following steps: the bottom of the horizontal sliding chute (243) is connected with the top surface of the sliding bottom plate (244), an internal groove (247) of the horizontal sliding chute (243) is in sliding fit with the side portion of a horizontal sliding block (242) located inside the horizontal sliding chute, the horizontal sliding block (242) and the internal groove (247) are both higher than the sliding bottom plate (244), a plurality of bottom plate holes (245) are uniformly formed in the middle of the sliding bottom plate (244) along the axial direction of the sliding bottom plate, and sliding block holes (246) corresponding to the bottom plate holes (245) are formed in the horizontal sliding block (242) in a penetrating mode.

8. The processing technology for the plate on the H-shaped long beam as claimed in claim 2, wherein the processing technology comprises the following steps: the volume of the part of the metal ball (26) located in the ball socket (271) is one third to two thirds of the volume of the whole metal ball (26).