CN115255823A - Steel beam top plate unit manufacturing process - Google Patents
Steel beam top plate unit manufacturing process Download PDFInfo
- Publication number
- CN115255823A CN115255823A CN202210893544.XA CN202210893544A CN115255823A CN 115255823 A CN115255823 A CN 115255823A CN 202210893544 A CN202210893544 A CN 202210893544A CN 115255823 A CN115255823 A CN 115255823A
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- Prior art keywords
- top plate
- assembly
- marking
- rotating
- rotate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 37
- 239000010959 steel Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 125
- 239000000049 pigment Substances 0.000 claims abstract description 78
- 238000005520 cutting process Methods 0.000 claims abstract description 39
- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000004080 punching Methods 0.000 claims abstract description 6
- 238000007598 dipping method Methods 0.000 claims description 60
- 230000005540 biological transmission Effects 0.000 claims description 31
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000003550 marker Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003973 paint Substances 0.000 description 22
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
- B25H7/045—Devices, e.g. scribers, for marking characterised by constructional details of the marking elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
Abstract
The application relates to a steel beam top plate unit manufacturing process, and relates to the technical field of steel beam top plates. The method comprises the following steps of S1, placing a top plate on a working frame, wherein a matching cutting amount is reserved at one end of the top plate in the length direction, driving a marking assembly to rotate by utilizing a driving assembly, coating pigment on a pushing mechanism, and simultaneously driving the pushing mechanism to rotate by utilizing the driving assembly, so that the pigment left on the pushing mechanism is attached to the top plate and drives the top plate to move, and a cutting line and a plurality of marking lines are adhered to the top plate; s2, cutting and forming the top plate according to the cutting line, and then flattening the cut top plate; s3, placing the top plate on the platform, placing the U-shaped rib on the top plate in alignment with the marking line on the top plate, removing the shop primer at the split of the U-shaped rib, and fixing the U-shaped rib on the top plate by welding through a welding machine; and S4, punching a sample on the part of the end part of the top plate with the cutting amount to finish the processing of the top plate. This application has the simple operation's of scribing the line of cut effect on the roof.
Description
Technical Field
The application relates to the field of steel beam top plates, in particular to a steel beam top plate unit manufacturing process.
Background
The steel box girder is one of the middle girders in bridge engineering, the inner part of the steel box girder is hollow and consists of a bottom plate, a top plate and two side plates, and flanges are arranged on two sides of the top plate and are similar to a box, so that the steel box girder is named. When the top plate is manufactured, cutting lines need to be marked on the steel plate so as to be convenient for precisely cutting the top plate with the corresponding size.
In the related technology, a steel plate is placed on a conveying belt, the conveying belt rotates to drive the steel plate to move, when the steel plate moves to the position under a numerical control cutting machine, a powder spraying and scribing function of the numerical control cutting machine is utilized to scribe cutting lines on the steel plate, then the conveying belt continues to drive the steel plate to move at a constant speed and stops, and the cutting lines scribed on the steel plate by the numerical control cutting machine are uniformly distributed.
The related art described above has the following drawbacks: when marking off on the steel sheet, need stop the conveyer belt earlier, the steel sheet is in quiescent condition promptly, and the numerical control cutting machine removes along the width direction of steel sheet, marks the line of cut on the steel sheet, when one needs to be marked off, then need start the conveyer belt for wait to cut the department and be located the numerical control cutting machine under, stop the conveyer belt, make the numerical control cutting machine mark off waiting to cut the department, the in-process of marking off mark need continuously open and close the conveyer belt, the operation is inconvenient, so await improvement.
Disclosure of Invention
In order to improve the awkward problem of drawing the line of cut on the steel sheet, this application provides a girder steel roof unit manufacturing process.
The application provides a girder steel roof unit manufacturing process adopts following technical scheme:
a steel beam top plate unit manufacturing process comprises the following steps:
s1, placing a top plate on a working frame, wherein a matched cutting amount is reserved at one end of the top plate in the length direction, and a cutting line and a plurality of marking lines are adhered to the top plate by using a marking device, are parallel to each other and are uniformly distributed on the top plate;
s2, cutting and forming the top plate according to cutting lines, then flattening the cut top plate, and strictly controlling the flatness of the surface of the top plate;
s3, hanging the top plate by adopting magnetic force, and applying pulling force moving in the direction away from the center of the top plate to the two ends of the top plate by utilizing the magnetic force so as to prevent the top plate from generating permanent deformation;
s4, transporting the top plate to the platform by using the magnetic crane, fixing the top plate on the platform through the positioning device, withdrawing the magnetic crane, aligning the U ribs with the marking lines on the top plate, placing the U ribs on the top plate, enabling the U ribs to correspond to the marking lines on the top plate one by one, removing the shop primer at the notches of the U ribs to prevent the root parts of the U ribs from generating air holes, and welding by using a welding machine to fix the U ribs on the top plate;
s5, adjusting and correcting the top plate on the platform to enable the longitudinal and transverse base lines of the top plate to be overlapped with the longitudinal and transverse base lines of the platform, then punching a sample on a matched cutting position at the end part of the top plate for assembling a segment, and then sending the processed top plate to a report for inspection;
and S6, storing the machined top plate qualified in the report at a specified position for general assembly.
By adopting the technical scheme, place the roof on the work rest, remove the roof, make the length direction's of roof one end leave the match-cut volume, then, rotate marker, make cut line and a plurality of mark line on the roof glue, cut the roof into shape according to the cut line, flush the roof that the essence was cut well after that, utilize magnetic force to hang, make the both ends of roof receive the pulling force of moving to the direction of keeping away from the roof center simultaneously, thereby make the roof be difficult for taking place the change of surface flatness when stewing, and then difficult permanent deformation takes place, when needing to install the U rib, utilize positioner to fix the roof on the platform, place the U rib on the roof with the corresponding mark line of U rib after that, make the U rib coincide with the mark line one-to-one on the roof, get rid of the department's workshop of U rib cut-out, utilize CO2 automatic welding machine to weld the junction of U rib and roof, make U rib and roof fixed connection, adjust the position of the roof of having installed U rib on the platform, make the baseline of roof coincide with the platform vertically and horizontally move the coincidence, then, the match-up the hole position of roof of the roof is processed, the specified post-up, the post-punching inspection is accomplished, the post-up the post-process.
Optionally, in step S1, the marking device includes a marking mechanism and a pushing mechanism, the marking mechanism and the pushing mechanism are both connected to the work frame, the marking mechanism is turned over to drive the pushing mechanism to rotate, so that the marking mechanism is abutted against the pushing mechanism, the pushing mechanism is abutted against the top plate, and the pushing mechanism rotates to drive the top plate to move in the horizontal direction.
Through adopting above-mentioned technical scheme, place the roof on the workstation, marking mechanism is to the direction upset that is close to advancing mechanism, until marking mechanism and advancing mechanism looks butt, make pigment coating on advancing mechanism, afterwards, marking mechanism just rotates to the direction of keeping away from advancing mechanism, marking mechanism drives advancing mechanism and rotates to the direction of keeping away from advancing mechanism when rotating, advancing mechanism supports to paste at the roof lateral wall and slides, make the roof move on the horizontal direction, advancing mechanism is when promoting the roof removal, will leave over on advancing mechanism pigment coating on the roof, cutting line and mark line on the completion mark on the roof, at this moment, marking mechanism continues to move to the direction of being close to advancing mechanism, repeat above-mentioned step, thereby accomplish the cutting of a plurality of cutting lines and mark line on the roof, the simple operation.
Optionally, the marking mechanism includes a driving assembly and a marking assembly, the driving assembly and the marking assembly are both connected to the working frame, the driving assembly is connected to the marking assembly through a transmission rod, and the driving assembly rotates to drive the transmission rod to rotate, so that the marking assembly moves towards a direction close to or away from the propelling mechanism.
Through adopting above-mentioned technical scheme, place the roof on the workstation, drive assembly rotates, drive the transfer line and rotate, make the mark subassembly to the direction upset that is close to advancing mechanism, until mark subassembly and advancing mechanism looks butt, with pigment coating on advancing mechanism, drive assembly continues to rotate, make the transfer line drive mark subassembly to the direction removal of keeping away from advancing mechanism, when drive assembly rotates, it rotates to drive advancing mechanism also, make the roof under advancing mechanism's the subsides propulsion, length direction along the roof removes, advancing mechanism and roof contact and promote the roof and remove, also will leave over pigment on advancing mechanism and glue on the roof, realize mark line of cut and mark line on the roof, and convenient for operation.
Optionally, the driving assembly comprises a rotating driving piece and a rotating disc, the rotating driving piece is fixedly installed on the working frame, the rotating disc is rotatably connected with the working frame, the output end of the rotating driving piece is coaxial with the rotating disc and used for driving the rotating disc to rotate, one end of the transmission rod is fixedly connected with the rotating disc, and the other end of the transmission rod is rotatably connected with the marking assembly.
By adopting the technical scheme, the rotating driving piece is started, the rotating disc rotates, the driving transmission rod rotates by taking the central axis of the rotating disc as an axis, when one end of the transmission rod, far away from the rotating disc, moves to one side, close to the marking assembly, of the vertical line passing through the center of the rotating disc, the transmission rod drives the marking assembly to turn towards the direction close to the propelling mechanism, when one end of the transmission rod, far away from the rotating disc, is farthest away from the marking assembly, the marking assembly is abutted to the propelling mechanism, when one end, far away from the rotating disc, of the transmission rod moves to one side, far away from the marking assembly, of the vertical line passing through the center of the rotating disc, the transmission rod drives the marking assembly to move towards the direction far away from the propelling mechanism, the marking assembly is separated from the propelling mechanism, and pigment is coated on the propelling mechanism.
Optionally, the mark subassembly is including dipping in and getting board, gangbar and connecting rod, the transfer line is kept away from the one end of rolling disc and is connected with the tip rotation of gangbar, the one end that the transfer line was kept away from to the gangbar rotates with the tip of connecting rod to be connected, the connecting rod rotates to be connected on the work frame, the one end that the gangbar was kept away from to the connecting rod rotates with dipping in and is connected with the turning block, it is provided with along the length direction who dips in and gets the board and supply the turning block to insert the rotation groove of establishing to dip in the turning block adaptation and insert and establish and rotate the inslot to slide in rotating the groove, be provided with open-top's paintbox on the work frame, dip in and get the board and extend to the paintbox.
By adopting the technical scheme, the rotating driving piece is started to rotate the rotating disc, the driving rod is driven to rotate by taking the central axis of the rotating disc as an axis, when the driving rod moves to one side of the rotating disc close to the pigment box, the driving rod drives the linkage rod to move towards the direction close to the pigment box, so that the linkage rod drives one end of the connecting rod far away from the pigment box to rotate by taking the joint of the connecting rod and the working frame as the axial direction close to the ground, namely, one end of the connecting rod far away from the linkage rod drives the dipping plate to move towards the direction far away from the ground, the side wall of the rotating block is abutted against the inner wall of the rotating groove to play a guiding role, so that the dipping plate firstly moves towards the direction far away from the ground along the length direction of the rotating groove, when the connecting rod continuously moves towards the direction far away from the ground, the rotating block of the dipping plate is driven to rotate by taking the joint of the rotating block and the working frame as the axis until the rotating block is in a certain horizontal state, the connecting rod continues to pull the dipping plate to move towards the direction close to the propelling mechanism, so that the rotating block moves towards the direction far away from the propelling mechanism in the rotating groove, the dipping plate slides along the horizontal direction, when the connecting rod rotates to be in a vertical state, the dipping plate is abutted against the propelling mechanism, pigment is coated on the propelling mechanism, then the rotating disc drives the transmission rod to move to one side of the rotating disc far away from the pigment box, the linkage rod moves towards the direction far away from the pigment box, one end, far away from the dipping plate, of the connecting rod is driven to move along the direction far away from the ground by taking the connecting part of the connecting rod and the working frame as the axial direction, namely, one end, far away from the linkage rod, of the connecting rod drives the dipping plate to move towards the direction far away from the propelling mechanism, the rotating block moves towards the direction close to the propelling mechanism in the rotating groove, so that the dipping plate moves towards the direction far away from the propelling mechanism in the horizontal state, until dip in board and advancing mechanism phase separation, the one end that the gangbar was kept away from to when continuing to the direction removal near ground to the connecting rod, dip in the board and move the turning block and use the junction of turning block and work frame as the axle rotation, until dip in board and turning block rotation to vertical state, the connecting rod continues to rotate, thereby it moves to the direction that is close to the pigment case to drive dip in the board, the turning block is to the direction removal of keeping away from the pigment case in the turning trough, the inner wall of turning trough and the lateral wall looks butt of turning block, play the guide effect, when the connecting rod rotates into the horizontality, dip in the board vertical insertion and establish into the pigment incasement, make dip in the board and pick up pigment again, drive the transfer line and rotate to the one side of keeping away from the pigment case when the turning disc drives the transfer bar, namely gangbar and connecting rod all are in the horizontality, the turning disc can drive advancing mechanism to rotate to the direction that is close to the pigment case, make dip in the board and dip in the board dip in pigment when dipping in, advancing mechanism rotates, make the convenient mark that the convenient mark department that the next of waiting to move and dip in the convenient push mechanism that the push mechanism that dip in the board and pick up the mark that dip in the roof that the line that will take place to dip in a plurality of dipping in the convenient mark that will take place to the roof that will take place to dip in the convenient, thereby it can be adjacent push mechanism and paste the mark on the push mechanism and paste the roof that the mark that the push mechanism that will take in the roof that will take place to the adjacent mark that will take place to the roof that will take in the adjacent on the top that will take place to the push mechanism that will take place, thereby it and the mark that will take place, thereby it can be on the adjacent on the roof that the mark that the adjacent on the push mechanism that will take the line that will take the mark that will take place, thereby it can be on the roof that the line that will dip in the adjacent mark that will take place.
Optionally, the propelling mechanism includes a propelling component and a sliding component, the propelling component is rotatably connected with the working frame, the sliding component is abutted against the top plate, and the propelling component rotates to drive the sliding component to rotate, so that the top plate moves in the horizontal direction.
Through adopting above-mentioned technical scheme, after dipping in the board and scribbling pigment on advancing the subassembly, dip in the board and remove to the direction of keeping away from advancing the subassembly, make the rolling disc drive advance the subassembly and rotate, thereby make advance the subassembly next treat that the mark department moves to last mark department and dip in the position of board butt, in the time of advancing the subassembly pivoted, make advance the subassembly and be stained with part and roof looks butt of pigment, and the subassembly that slides laminates with the roof mutually, and drive the length direction removal of roof along the roof, at this moment, the pigment on the advancing the subassembly also has the part to be attached to on the roof, realize a plurality of lines of cut and the mark line's mark on the roof, and convenient for operation.
Optionally, the propelling assembly comprises a propelling rod, a rotating roller, a grooved wheel and a plurality of abutting plates, the propelling rod is fixedly connected with the rotating disc, the propelling rod is perpendicular to the transmission rod, the rotating roller is rotatably connected to the working frame, the grooved wheel is coaxially fixed with the rotating roller, the abutting plates are uniformly distributed on the circumferential side wall of the rotating roller, when the propelling rod is inserted into a groove formed in the grooved wheel, the propelling rod rotates to drive the grooved wheel to rotate.
Through adopting above-mentioned technical scheme, when the rolling disc drives the transfer line and removes when keeping away from one side of paintbox, gangbar and connecting rod all are the horizontality promptly, the push rod inserts the inslot of establishing on the entering sheave this moment, the rolling disc continues to rotate, it rotates to drive the sheave, the axis that the live-rollers used the live-rollers promptly rotates as the axle, move out the groove on the sheave when the push rod, this moment, the butt plate towards ground direction removes and dips in the board to the orientation, realize the change of butt plate position, make the butt plate constantly replace to with get the position of dipping in board butt, accomplish and dip in the even coating of board at the live-rollers lateral wall, even must glue line of cut and the mark line evenly distributed on the roof, the precision is higher.
Optionally, the sliding assembly comprises a plurality of magnets, the magnets correspond to the abutting plates one to one, one side of each magnet, far away from the central axis of the corresponding rotating roller, of the corresponding abutting plate is fixedly connected, a slot for the top plate to be inserted is formed in the working frame, the top plate is inserted into the slot and slides in the slot, and one side, close to the corresponding rotating roller, of the top plate is abutted to the magnets.
Through adopting above-mentioned technical scheme, the pushing ram is inserted and is established the sheave and drive the sheave and rotate for the live-rollers drives a plurality of butt pieces and rotates, when gluing the butt board that scribbles pigment and remove to and the roof is close to one side looks butt on ground, the live-rollers drives magnet and rotates, and magnet adsorbs the roof, drives the roof and moves on the horizontal direction, i.e. make the butt board slide on the roof, thereby with pigment attached to on the roof, accomplish the mark of cutting line and mark line on the roof, the simple operation.
Optionally, be provided with the lifting plate in the paintbox, the circumference lateral wall that promotes class and the inner wall looks butt of paintbox, the lifting plate diapire is provided with the top pushing assembly, the top pushing assembly removes, drives the lifting plate removes to being close to or keeping away from the direction of dipping in the board.
Through adopting above-mentioned technical scheme, after using for a long time, pigment loss in the pigment case for the liquid level of pigment descends in the pigment case, thereby make to dip in and get the board and be difficult for dipping in and get pigment, at this moment, utilize to push away the subassembly, with the lifting plate to the direction removal on the ground of principle, reduced the volume of pigment case, make the liquid level of pigment in the pigment case rise, thereby when making to dip in and get the board and extend in the pigment case, still can dip in and get pigment, reduced the waste of pigment.
Optionally, the top pushes away the subassembly and includes top push driving piece, rotation rack, running gear, ejector pin and dead lever, top push driving piece fixed mounting is on the work frame, the output that pushes away the driving piece links to each other with the rotation rack for the drive rotates the rack and removes along the length direction who rotates the rack, the running gear rotates with the diapire of paintbox and is connected, running gear and rotation rack mesh mutually, running gear is coaxial with the ejector pin, and with ejector pin threaded connection, the ejector pin wears to establish the diapire of paintbox, and with lifting plate fixed connection, the vertical setting of dead lever, and with work frame fixed connection, the dead lever is the square bar, and inserts and establish in the ejector pin.
Through adopting above-mentioned technical scheme, the liquid level of pigment in the pigment case is low excessively, dip in the board and can't dip in when getting pigment, start the top and push away the driving piece, make the length direction removal of rotating rack along rotating rack, thereby drive the rotating gear and rotate, the lateral wall of dead lever and the inner wall looks butt of ejector pin, play limiting displacement, make the ejector pin can not rotate along with rotating gear's rotation, because of rotating gear and ejector pin screw-thread fit, make the ejector pin move along the length direction of fixed link toward the direction of keeping away from ground, thereby make the lifting plate move to the direction of keeping away from ground in the pigment case, and then reduce the volume of pigment case, improve the liquid level of pigment in the pigment case, make the board of dipping in can dip in and get pigment all the time, the utilization ratio of pigment has been improved.
In summary, the present application includes at least one of the following benefits:
1. placing the top plate on a working frame, turning the marking mechanism in a direction close to the pushing mechanism until the marking mechanism is abutted against the pushing mechanism, so that the pigment is coated on the pushing mechanism, then, rotating the marking mechanism in a direction far away from the pushing mechanism, driving the pushing mechanism to rotate while rotating the marking mechanism in a direction far away from the pushing mechanism, abutting and sliding the pushing mechanism on the side wall of the top plate, so that the top plate moves in the horizontal direction, adhering the pigment left on the pushing mechanism on the top plate while pushing the top plate to move by the pushing mechanism, and finishing the marking of the cutting line and the marking line on the top plate;
2. place the roof on the workstation, drive assembly rotates, drive the transfer line and rotate, make the mark subassembly to the direction upset that is close to advancing mechanism, until mark subassembly and advancing mechanism looks butt, with pigment coating on advancing mechanism, drive assembly continues to rotate, make the transfer line drive mark subassembly to the direction removal of keeping away from advancing mechanism, when drive assembly rotates, also drive advancing mechanism and rotate, make the roof under advancing mechanism's subsides propulsion, move along the length direction of roof, advancing mechanism and roof contact and when promoting the roof removal, also will leave over pigment on advancing mechanism and glue on the roof, realize mark line of cut and mark line on the roof, and convenient for operation.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a schematic structural diagram for showing a connection relationship between a transmission rod and a linkage rod in the embodiment of the present application;
fig. 3 is a schematic structural diagram for showing the connection relationship between the dipping plate and the paint box in the embodiment of the application.
In the figure: 1. a working frame; 10. a slot; 2. a marking device; 21. a marking mechanism; 211. a drive assembly; 2111. rotating the driving member; 2112. rotating the disc; 212. a marking component; 2121. dipping the plate; 21210. a rotating groove; 2122. a linkage rod; 2123. a connecting rod; 22. a propulsion mechanism; 221. a propulsion assembly; 2211. a push rod; 2212. a rotating roller; 2213. a grooved wheel; 2214. a butt joint plate; 222. a slipping component; 2221. a magnet; 3. a transmission rod; 4. rotating the block; 5. a paint box; 6. mounting a rod; 7. a lifting plate; 8. a pushing assembly; 81. a pushing driving member; 82. rotating the rack; 83. a rotating gear; 84. pushing the push rod; 85. and (5) fixing the rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses girder steel roof unit manufacturing process. The steel beam roof panel unit manufacturing process includes the following steps,
s1, placing a top plate on a working frame, wherein a matched cutting amount is reserved at one end of the top plate in the length direction, and a cutting line and a plurality of marking lines are adhered on the top plate by using a marking device, are parallel to each other and are uniformly distributed on the top plate;
s2, cutting and forming the top plate according to the cutting line, then flattening the cut top plate, and strictly controlling the flatness of the surface of the top plate;
s3, hanging the top plate by adopting magnetic force, and applying pulling force moving in the direction away from the center of the top plate to the two ends of the top plate by utilizing the magnetic force so as to prevent the top plate from generating permanent deformation;
s4, transporting the top plate to the platform by using the magnetic crane, fixing the top plate on the platform through the positioning device, withdrawing the magnetic crane, aligning the U ribs with the marking lines on the top plate, placing the U ribs on the top plate, enabling the U ribs to correspond to the marking lines on the top plate one by one, removing the shop primer at the openings of the U ribs to prevent the root parts of the U ribs from generating air holes, and then welding by using an automatic carbon dioxide welding machine to fix the U ribs on the top plate;
s5, adjusting and correcting the top plate on the platform to enable the longitudinal and transverse base lines of the top plate to be overlapped with the longitudinal and transverse base lines of the platform, then punching a sample on a matched cutting position at the end part of the top plate for assembling a segment, and then sending the processed top plate to a report for inspection;
and S6, storing the machined top plate qualified in the report at a specified position for general assembly.
Referring to fig. 1 and 2, the marking device 2 in step S1 includes a marking mechanism 21 and an advancing mechanism 22, the marking mechanism 21 includes a driving assembly 211 and a marking assembly 212, the driving assembly 211 is connected to the marking assembly 212 through a transmission rod 3, and the driving assembly 211 includes a rotary driving member 2111 and a rotary disc 2112. In this embodiment, the rotating driving member 2111 is a motor, the rotating driving member 2111 is fixedly mounted on the working rack 1 through a bolt, the rotating disc 2112 is rotatably connected to the working rack 1, the output end of the rotating driving member 2111 is coaxial with the rotating disc 2112 to drive the rotating disc 2112 to rotate, one end of the transmission rod 3 is welded and fixed to the rotating shaft of the rotating disc 2112, and the other end of the transmission rod is rotatably connected to the marking assembly 212.
Referring to fig. 2 and 3, the marking assembly 212 includes a dipping plate 2121, a linkage rod 2122 and a connecting rod 2123, wherein one end of the transmission rod 3, which is far away from the rotating disc 2112, is rotatably connected to an end of the linkage rod 2122, one end of the linkage rod 2122, which is far away from the transmission rod 3, is rotatably connected to an end of the connecting rod 2123, a middle portion of the connecting rod 2123 is rotatably connected to the work frame 1 through a rotating shaft, one end of the connecting rod 2123, which is far away from the linkage rod 2122, is rotatably connected to the dipping plate 2121, the work frame 1 is rotatably connected to a rotating block 4 through a mounting rod 6, a rotating groove 21210 is formed in a side wall of the dipping plate 2121, and the rotating groove 21210 is formed in a length direction of the side wall of the dipping plate 2121. The rotating block 4 is inserted into the rotating groove 21210 in a matching manner and slides in the rotating groove 21210, the paint box 5 with an open top is placed at the bottom of the working frame 1, and the dipping plate 2121 extends into the paint box 5.
Referring to fig. 1 and 2, the top plate is placed on the work frame 1, the rotation driving member 2111 is started to rotate the rotation disc 2112, so as to drive the transmission rod 3 to rotate around the central axis of the rotation disc 2112, when the transmission rod 3 moves to one side of the rotation disc 2112 close to the paint box 5, the transmission rod 3 drives the linkage rod 2122 to move towards the direction close to the paint box 5, so that the linkage rod 2122 drives one end of the connection rod 2123 away from the paint box 5 to rotate around the connection position of the connection rod 2123 and the work frame 1 as the direction close to the ground axially, i.e. one end of the connection rod 2123 away from the linkage rod 2122 drives the dipping plate 2121 to move away from the ground, the side wall of the rotation block 4 abuts against the inner wall of the rotation groove 21210 to play a guiding role, so that the dipping plate 2121 moves away from the ground along the length direction of the rotation groove 21210 first, when the connection rod 2123 continues to move away from the ground, so that the dipping plate 2121 drives the rotating block 4 to rotate around the joint of the rotating block 4 and the working frame 1 as an axis until the rotating block 4 is in a horizontal state, the connecting rod 2123 continues to pull the dipping plate 2121 to move towards the direction close to the pushing mechanism 22, so that the rotating block 4 moves towards the direction far away from the pushing mechanism 22 in the rotating groove 21210, so that the dipping plate 2121 slides in the horizontal direction, when the connecting rod 2123 rotates to be in a vertical state, the dipping plate 2121 is abutted against the pushing mechanism 22, and the pigment is coated on the pushing mechanism 22, then the rotating disc 2112 drives the driving rod 3 to move to the side of the rotating disc 2112 far away from the pigment box 5, so that the linkage rod 2122 moves towards the direction far away from the pigment box 5, so as to drive one end of the connecting rod 2123 far away from the dipping plate 2121 to move along the direction far away from the ground by taking the joint of the connecting rod 2123 and the working frame 1 as an axial direction, that one end of the connecting rod 2123 far away from the linkage rod 2122 drives the dipping plate 2121 to move towards the direction far away from the pushing mechanism 22, the rotating block 4 moves in the rotating groove 21210 towards the direction close to the pushing mechanism 22, so that the dipping plate 2121 moves in a horizontal state towards the direction away from the pushing mechanism 22 until the dipping plate 2121 is separated from the pushing mechanism 22, and when one end of the connecting rod 2123, which is far away from the linkage rod 2122, continues to move towards the direction close to the ground, the dipping plate 2121 drives the rotating block 4 to rotate around the joint of the rotating block 4 and the working frame 1 until the dipping plate 2121 and the rotating block 4 rotate to the vertical state, the connecting rod 2123 continues to rotate, so as to drive the dipping plate 2121 to move towards the direction close to the pigment box 5, the rotating block 4 moves towards the direction away from the pigment box 5 in the rotating groove 21210, the inner wall of the rotating groove 21210 abuts against the side wall of the rotating block 4 to play a guiding role, and when the connecting rod 2123 rotates to the horizontal state, the dipping plate 2121 is vertically inserted into the pigment box 5, so that the dipping plate 2121 picks up pigment again, when the rotating disc 2112 drives the transmission rod 3 to rotate to a side far away from the pigment box 5, that is, the linkage rod 2122 and the connecting rod 2123 are both in a horizontal state, the rotating disc 2112 moves towards a direction close to the pigment box 5, so that the pushing mechanism 22 can be driven to rotate, when the dipping plate 2121 dips in pigment, the pushing mechanism 22 rotates, so that the next position to be marked of the pushing mechanism 22 moves to a position where the previous marked position abuts against the dipping plate 2121, then the rotating disc 2112 continues to rotate, the pushing mechanism 22 cannot rotate, so that when the next dipping plate 2121 moves towards the pushing mechanism 22, the pigment dipped on the dipping plate 2121 can be attached to the position to be marked adjacent to the marked position on the pushing mechanism 22, so that the pigment is uniformly distributed on the pushing mechanism 22, and when the pushing mechanism 22 abuts against the top plate and pushes the top plate to move, the pigment attached to the pushing mechanism 22 is pasted on the top plate, so that the marking of the cutting lines and the marking lines on the top plate is realized, and the operation is convenient.
Referring to fig. 2 and 3, a lifting plate 7 is arranged in the paint box 5, a circumferential side wall of the lifting plate abuts against an inner wall of the paint box 5 to serve as a piston, a pushing assembly 8 is arranged on a bottom wall of the lifting plate 7, and the pushing assembly 8 includes a pushing driving member 81, a rotating rack 82, a rotating gear 83, an ejector rod 84 and a fixing rod 85, in this embodiment, the pushing driving member 81 is an air cylinder, the pushing driving member 81 is fixedly mounted on the work frame 1 through a bolt, an output end of the pushing driving member 81 is connected with the rotating rack 82 to drive the rotating rack 82 to move along a length direction of the rotating rack 82, the rotating gear 83 is rotatably connected with the bottom wall of the paint box 5, the rotating gear 83 is meshed with the rotating rack 82, the rotating gear 83 is coaxial with the ejector rod 84 and is in threaded connection with the ejector rod 84, the ejector rod 84 penetrates through the bottom wall of the paint box 5 and is welded and fixed to one side, close to the lifting plate 7, the fixing rod 85 is vertically arranged, one end, close to the ground, of the fixing rod 85 is welded and fixed to the work frame 1, and the fixing rod 85 is a square rod, and is adapted to be inserted in the ejector rod 84.
The liquid level of pigment is low excessively in pigment box 5, dip in when board 2121 can't dip in and get pigment, start and push up driving piece 81, make rotation rack 82 remove along the length direction who rotates rack 82, thereby it rotates to drive rotating gear 83, the lateral wall of dead lever 85 and ejector pin 84's inner wall looks butt, play limiting displacement, make ejector pin 84 can not rotate along with rotating gear 83's rotation, because of rotating gear 83 and ejector pin 84 screw-thread fit, make ejector pin 84 move along the length direction of dead lever 85's direction far away from ground, thereby make lifting plate 7 remove to the direction of keeping away from ground in pigment box 5, and then reduce the volume of pigment box 5, improve the liquid level of pigment in the pigment box 5, make dip in board 2121 and can get pigment all the time, the utilization ratio of pigment has been improved.
Referring to fig. 2 and 3, the propelling mechanism 22 includes a propelling assembly 221, the propelling assembly 221 includes a propelling rod 2211, a rotating roller 2212, a sheave 2213 and a plurality of abutting plates 2214, one end of the propelling rod 2211 is welded to the rotating disc 2112, the propelling rod 2211 is perpendicular to the driving rod 3, the rotating roller 2212 is rotatably connected to the work frame 1 through a rotating shaft, the sheave 2213 is coaxially fixed to the rotating roller 2212, the plurality of abutting plates 2214 are uniformly distributed on a circumferential side wall of the rotating roller 2212, and when the propelling rod 2211 is inserted into a groove on the sheave 2213, the propelling rod 2211 rotates to drive the sheave 2213 to rotate.
Referring to fig. 2 and 3, the propelling mechanism 22 further includes a sliding assembly 222, the sliding assembly 222 includes a plurality of magnets 2221, the magnets 2221 correspond to the abutting plates 2214 one by one, the magnets 2221 and the abutting plates 2214 are fixed by gluing on the side away from the central axis of the rotating roller 2212, the magnets 2221 are located at the end portions of the abutting plates 2214 in the width direction, a slot 10 is formed in one side of the inner side of the working frame 1 principle, a top plate is inserted into the slot 10 and slides in the slot 10, and one side of the top plate close to the rotating roller 2212 abuts against the magnets 2221.
When the rotating disc 2112 drives the transmission rod 3 to move to the side far away from the paint box 5, that is, the linkage rod 2122 and the connection rod 2123 are in a horizontal state, at this time, the push rod 2211 is inserted into the groove on the sheave 2213, the rotating disc 2112 continues to rotate, the sheave 2213 is driven to rotate, that is, the rotating roller 2212 rotates around the central axis of the rotating roller 2212, when the push rod 2211 moves out of the groove on the sheave 2213, at this time, the abutting plate 2214 facing the ground moves to face the dipping plate 2121, so that the position of the abutting plate 2214 is changed, the abutting plate 2214 is continuously changed to the position abutting against the dipping plate 2121, the uniform coating of the side wall of the rotating roller 2212 by the dipping plate 2121 is completed, even if the cutting line and the marking line adhered to the top plate are uniformly distributed, the accuracy is higher, and in the rotating process of the rotating roller 2212, when the abutting plate 2214 adhered with the pigment moves to abut against the side near the ground, the rotating roller 2212 drives the magnet 2221 to adsorb the top plate, the magnet to drive the top plate 2211 to move, even if the top plate 2214 moves horizontally and the top plate moves, so that the marking line is adhered to conveniently move, and the top plate 2214 is adhered to be adhered to the top plate.
The implementation principle of the manufacturing process of the steel beam top plate unit in the embodiment of the application is as follows: placing the top plate on the work frame 1, moving the top plate to leave a matching cut at one end of the length direction of the top plate, then, starting the rotary driving member 2111 to rotate the rotating disc 2112 to drive the transmission rod 3 to rotate around the central axis of the rotating disc 2112, when the transmission rod 3 moves to a side where a vertical line passing through the center of the rotating disc 2112 is close to the paint box 5, the transmission rod 3 drives the linkage rod 2122 to move towards the paint box 5, so that the linkage rod 2122 drives one end of the connecting rod 2123 far from the paint box 5 to rotate around the connection between the connecting rod 2123 and the work frame 1, i.e. one end of the connecting rod 2123 far from the linkage rod 2122 drives the pick-up plate 2121 to move towards the direction far from the ground, the side wall of the rotating block 4 abuts against the inner wall of the rotating groove 21210 to play a guiding role, so that the pick-up plate 2121 moves along the length direction of the rotating groove 21210 far from the ground, when the connecting rod 2123 continues to move towards the direction far from the ground, so that the connecting rod 2214 drives the rotating block to move towards the direction, and the connecting rod 2123 to move towards the direction, so that the connecting rod 2213 and the rotating disc is far from the ground, and the rotating groove 2121, so that the connecting rod 2213 is kept away from the rotating block 4, and the rotating groove, and the rotating block is kept away from the rotating disc, and the rotating mechanism, so that the rotating block is kept in the horizontal state, and the rotating groove, and the rotating block is kept in the horizontal state, and the horizontal state, when the rotating mechanism, and the rotating block is kept in the rotating mechanism, and the rotating mechanism, so that the rotating mechanism is kept in the rotating block 2121, and the rotating block 2213 is kept away from the rotating groove 2213, that is, one end of the connecting rod 2123 far from the linkage rod 2122 drives the dipping plate 2121 to move in the direction far from the rotating roller 2212, the rotating block 4 moves in the rotating groove 21210 in the direction close to the pushing mechanism 22, so that the dipping plate 2121 moves in the direction far from the rotating roller 2212 in a horizontal state, until the dipping plate 2121 is separated from the abutting plate 2214, and when one end of the connecting rod 2123 far from the linkage rod 2122 continues to move in the direction close to the ground, the dipping plate 2121 drives the rotating block 4 to rotate around the joint of the rotating block 4 and the working frame 1, until the dipping plate 2121 and the rotating block 4 rotate to the vertical state, the connecting rod 2123 continues to rotate, so as to drive the dipping plate 2121 to move in the direction close to the paint box 5, the rotating block 4 moves in the rotating groove 21210 in the direction far from the paint box 5, the inner wall of the rotating groove 21210 abuts against the side wall of the rotating block 4, thereby achieving a guiding effect, and when the connecting rod 2123 rotates in the horizontal state, the dipping plate 2121 is vertically inserted into the paint box 5, so that the dipping plate 2121 dips the paint again, when the rotating disc 2112 drives the transmission rod 3 to rotate to the side far away from the paint box 5, that is, the linkage rod 2122 and the connection rod 2123 are both in the horizontal state, at this time, the pushing rod 2211 is inserted into the groove on the sheave 2213, the rotating disc 2112 moves towards the paint box 5 to drive the sheave 2213 to rotate, that is, the rotating roller 2212 rotates around the central axis of the rotating roller 2212, when the pushing rod 2211 moves out of the groove on the sheave 2213, at this time, the abutting plate 2214 facing the ground moves towards the dipping plate 2121, so as to change the position of the abutting plate 2214, so that the abutting plate 2214 is continuously replaced to the position abutting against the dipping plate 2121, during the rotation of the sheave 2213, when the abutting plate 2214 with the paint moves to the side near the ground of the top plate, the rotating roller 2222 drives the magnet 1 to rotate, magnet 2221 adsorbs the roof, drive the roof and move in the horizontal direction, make the butt joint board 2214 slide on the roof, thereby attach pigment on the roof, accomplish the mark of cutting line and mark line on the roof, cut the shaping with the roof according to the cutting line, catch up with the straight line well cut roof after that, utilize magnetic force to hang, make the both ends of roof receive the pulling force of moving to the direction far away from the roof center simultaneously, thereby make the roof difficult to take place the change of surface flatness when stewing, and then difficult permanent deformation takes place, when needing to install the U rib, utilize positioner to fix the roof on the platform, then place the U rib corresponding mark line on the roof, make the U rib correspond to mark line one-to-one on the roof, get rid of the workshop primer of U rib cut, utilize CO2 automatic welding machine to weld the junction of U rib and roof, make U rib and roof fixed connection, adjust the position on the platform of the roof of installing the U rib, make the vertical and horizontal base line of roof coincide with the platform, then make the hole of matching cut amount on the position of roof to accomplish the punching out, the processing of the whole post-up for the post-up, after-by-pass post-pass inspection, the post-pass inspection.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A steel beam top plate unit manufacturing process is characterized in that: comprises the following steps;
s1, placing a top plate on a working frame (1), wherein a matched cutting amount is reserved at one end of the top plate in the length direction, and a cutting line and a plurality of marking lines are adhered on the top plate by using a marking device (2), are parallel to each other and are uniformly distributed on the top plate;
s2, cutting and forming the top plate according to the cutting line, then flattening the cut top plate, and strictly controlling the flatness of the surface of the top plate;
s3, hanging the top plate by adopting magnetic force, and applying pulling force moving in the direction away from the center of the top plate to the two ends of the top plate by utilizing the magnetic force so as to prevent the top plate from generating permanent deformation;
s4, transporting the top plate to the platform by using the magnetic crane, fixing the top plate on the platform through the positioning device, withdrawing the magnetic crane, aligning the U ribs with the marking lines on the top plate, placing the U ribs on the top plate, enabling the U ribs to correspond to the marking lines on the top plate one by one, removing the shop primer at the openings of the U ribs to prevent the root parts of the U ribs from generating air holes, and then welding by using a welding machine to fix the U ribs on the top plate;
s5, adjusting and correcting the top plate on the platform to enable the longitudinal and transverse base lines of the top plate to be overlapped with the longitudinal and transverse base lines of the platform, then punching a sample on a matched cutting position at the end part of the top plate for assembling a segment, and then sending the processed top plate to a report for inspection;
and S6, storing the machined top plate qualified in the report at a specified position for general assembly.
2. The steel beam roof panel unit manufacturing process of claim 1, wherein: in the step S1, the marking device (2) comprises a marking mechanism (21) and a pushing mechanism (22), the marking mechanism (21) and the pushing mechanism (22) are both connected with the working frame (1), the marking mechanism (21) is turned over to drive the pushing mechanism (22) to rotate, so that the marking mechanism (21) is abutted against the pushing mechanism (22), the pushing mechanism (22) is abutted against the top plate, and the pushing mechanism (22) rotates to drive the top plate to move in the horizontal direction.
3. The steel beam roof panel unit manufacturing process of claim 2, wherein: the marking mechanism (21) comprises a driving assembly (211) and a marking assembly (212), wherein the driving assembly (211) and the marking assembly (212) are connected with the working frame (1), the driving assembly (211) is connected with the marking assembly (212) through a transmission rod (3), and the driving assembly (211) rotates to drive the transmission rod (3) to rotate, so that the marking assembly (212) moves towards the direction close to or far away from the propelling mechanism (22).
4. The steel beam roof panel unit manufacturing process of claim 3, wherein: drive assembly (211) is including rotating driving piece (2111) and rolling disc (2112), rotate driving piece (2111) fixed mounting on work frame (1), rolling disc (2112) rotates with work frame (1) and is connected, the output and the rolling disc (2112) of rotating driving piece (2111) are coaxial for drive rolling disc (2112) rotate, the one end and the rolling disc (2112) fixed connection of transfer line (3), the other end rotates with mark subassembly (212) and is connected.
5. The steel beam roof panel unit manufacturing process of claim 4, wherein: marker subassembly (212) is including dipping in board (2121), gangbar (2122) and connecting rod (2123), the one end that rolling disc (2112) was kept away from in transfer line (3) is rotated with the tip of gangbar (2122) and is connected, the one end that transfer line (3) were kept away from in gangbar (2122) is rotated with the tip of connecting rod (2123) and is connected, connecting rod (2123) rotate and are connected on work frame (1), the one end that gangbar (2122) were kept away from in connecting rod (2123) is rotated with dipping in board (2121) and is connected, it is connected with rotor block (4) to rotate on work frame (1), it is provided with along the length direction who dips in board (2121) and supplies rotor block (4) to insert rotation groove (21210) of establishing to dip in board (2121), rotor block (4) adaptation is inserted and is gone into rotation groove (21210) and slide, be provided with top open-ended pigment case (5) on work frame (1), dip in board (2125) extends to the box (2125).
6. The steel beam roof panel unit manufacturing process of claim 4, wherein: the pushing mechanism (22) comprises a pushing assembly (221) and a sliding assembly (222), the pushing assembly (221) is rotatably connected with the working frame (1), the sliding assembly (222) is abutted to the top plate, and the pushing assembly (221) rotates to drive the sliding assembly (222) to rotate so that the top plate moves in the horizontal direction.
7. The steel beam roof panel unit manufacturing process of claim 6, wherein: the propelling assembly (221) comprises a propelling rod (2211), a rotating roller (2212), a grooved wheel (2213) and a plurality of abutting plates (2214), the propelling rod (2211) is fixedly connected with a rotating disc (2112), the propelling rod (2211) is perpendicular to a transmission rod (3), the rotating roller (2212) is rotatably connected onto a working frame (1), the grooved wheel (2213) is coaxially fixed with the rotating roller (2212), the abutting plates (2214) are uniformly distributed on the circumferential side wall of the rotating roller (2212), when the propelling rod (2211) is inserted into a groove in the grooved wheel (2213), the propelling rod (2211) rotates to drive the grooved wheel (2213) to rotate.
8. The steel beam roof panel unit manufacturing process of claim 7, wherein: slip subassembly (222) includes a plurality of magnet (2221), magnet (2221) and butt plate (2214) one-to-one, one side fixed connection of live-rollers (2212) axis is kept away from with butt plate (2214) magnet (2221), be provided with on work frame (1) and supply the roof to insert slot (10) of establishing, the roof is inserted and is established in slot (10) to slide in slot (10), one side and magnet (2221) looks butt that the roof is close to live-rollers (2212).
9. The steel beam roof panel unit manufacturing process of claim 5, wherein: be provided with in pigment case (5) and promote board (7), promote the circumference lateral wall of class and the inner wall looks butt of pigment case (5), promote board (7) diapire and be provided with top push assembly (8), top push assembly (8) remove, drive promote board (7) are to being close to or keeping away from the direction removal of dipping in board (2121).
10. The steel beam roof panel unit manufacturing process of claim 9, wherein: the top pushes away subassembly (8) including pushing away driving piece (81), rotation rack (82), rotating gear (83), ejector pin (84) and dead lever (85), push away driving piece (81) fixed mounting on work frame (1), the output that pushes away driving piece (81) links to each other with rotation rack (82) for the drive rotates rack (82) and removes along the length direction who rotates rack (82), rotating gear (83) rotate with the diapire of pigment case (5) and is connected, rotating gear (83) mesh mutually with rotation rack (82), rotating gear (83) are coaxial with ejector pin (84), and with ejector pin (84) threaded connection, the diapire of pigment case (5) is worn to establish by ejector pin (84), and with lifting plate (7) fixed connection, dead lever (85) vertical setting, and with work frame (1) fixed connection, dead lever (85) are the square bar, and insert and establish in ejector pin (84).
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