CN113182421B - Tower crane standard knot punching equipment and punching method - Google Patents
Tower crane standard knot punching equipment and punching methodInfo
- Publication number
- CN113182421B CN113182421B CN202110423989.7A CN202110423989A CN113182421B CN 113182421 B CN113182421 B CN 113182421B CN 202110423989 A CN202110423989 A CN 202110423989A CN 113182421 B CN113182421 B CN 113182421B
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- Prior art keywords
- punching
- plate
- supporting
- material returning
- assembly
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
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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)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
本发明公开了一种塔机标准节冲孔加工设备及冲孔加工方法，包括操作台、上料组件、冲孔组件和出料组件，在操作台上由左至右依次设置安装所述上料组件、冲孔组件和出料组件，所述冲孔组件包括支撑模组和设置在支撑模组正上方的冲孔模块，所述支撑模组通过螺栓固定在所述操作台上，所述冲孔模块通过支撑壳体套设在所述操作台上，在接近所述支撑模组左右两端上方的支撑壳体上分别设置竖直固紧压组件。本发明可根据工件的打孔的个数和距离安装相应数量的冲头，并对工件进行侧向夹紧和竖直夹紧定位后，方可对工件进行打孔操作，可极大简化标准节连接板工件冲孔的流程，能避免冲孔时工件出现偏移的现象，保证了工件的冲孔规格的一致性。
The present invention discloses a tower crane standard section punching processing equipment and a punching processing method, comprising an operating table, a feeding assembly, a punching assembly and a discharging assembly, wherein the feeding assembly, the punching assembly and the discharging assembly are sequentially arranged and installed on the operating table from left to right, wherein the punching assembly comprises a support module and a punching module arranged directly above the support module, wherein the support module is fixed to the operating table by bolts, wherein the punching module is sleeved on the operating table by a support shell, and vertically fixed and clamped components are respectively arranged on the support shells above the left and right ends of the support module. The present invention can install a corresponding number of punches according to the number and distance of holes to be punched in a workpiece, and can perform punching operations on the workpiece only after the workpiece is laterally clamped and vertically clamped and positioned, which can greatly simplify the process of punching holes in the standard section connecting plate workpiece, can avoid the phenomenon of the workpiece being offset during punching, and ensure the consistency of the punching specifications of the workpiece.
Description
Technical Field
The invention relates to the technical field of tower machine processing equipment, in particular to tower machine standard knot punching processing equipment and a punching processing method.
Background
The standard joint connecting hole is a rough engineering structural part, and even if the standard joint connecting hole has certain manufacturing errors, the standard joint connecting hole can be used, but the standard joint connecting hole gradually loses competitiveness along with the increasingly competitive market products without quality assurance, the existing punching equipment is easy to operate, and the precision of working and processing requirements is not high. The main processing technique of the prior standard joint connecting plate hole adopts the processing technique of rocker arm drilling, the drilling jig is used to put on a workpiece, the workpiece is required to be positioned and clamped by the drilling jig, the clamping operation is troublesome, the single processing and forming of the hole after clamping and screwing are respectively and independently processed for each hole, the whole process has long time consumption, high labor intensity, easy deviation of processing, low precision, longer drilling time of the rocker arm and difficulty in achieving the quality requirement by manual control.
Disclosure of Invention
The invention aims to provide a standard section punching processing device of a tower crane and a processing technique thereof, wherein the corresponding number of punches can be installed according to the number and the distance of punching of workpieces, and after the workpieces are clamped laterally and clamped vertically, the workpieces can be punched, so that the punching process of the workpieces of a standard section connecting plate can be greatly simplified, the phenomenon that the workpieces deviate during punching can be avoided, the consistency of punching specifications of the workpieces is ensured, and the processing precision of plate holes of the standard section connecting plate is improved. In order to achieve the above purpose, the present invention adopts the following technical effects:
According to one aspect of the invention, the standard knot punching processing equipment of the tower crane comprises an operation table, a feeding component, a punching component and a discharging component, wherein the feeding component, the punching component and the discharging component are sequentially arranged on the operation table from left to right, the punching component comprises a supporting module and a punching module arranged right above the supporting module, the supporting module is fixed on the operation table through bolts, the punching module is sleeved on the operation table through a supporting shell, and vertical compression components are respectively arranged on the supporting shells close to the upper parts of the left end and the right end of the supporting module.
The above scheme is further preferable, the punching module comprises an upper supporting platform, an upper top plate, a punch die holder, a punching head and a movable top plate, wherein the upper supporting platform is arranged at the top end of the inside of the supporting shell, a long hole is formed in the periphery of the upper top plate, the lower surface of the upper supporting platform is connected with the long hole of the upper top plate through a first fastening bolt, a plurality of rows of fixing through holes in the length direction are formed in the center of the upper top plate, the punch die holder is fixed on the lower surface of the upper top plate through a second fastening bolt from top to bottom through the fixing through holes, a plurality of punch holes with large upper end and small lower end are formed in the punch die holder in a penetrating manner from top to bottom, a clamping step is formed in the middle lower portion of the punch hole, the movable top plate and the punching head are respectively arranged in the punch hole from top to bottom, the upper end of the punching head is clamped on the clamping step, the lower end of the punching head extends outwards and vertically, and the supporting module is arranged under the lower end of the punching head.
Above-mentioned scheme is further preferred, the supporting module includes lower supporting platform, base, dashes cover die holder and returns the material clamp plate, lower supporting platform sets up on the operation panel run through on lower supporting platform, base, dashes cover die holder and the material clamp plate and be provided with a plurality of and the blanking hole that corresponds of dashing the die head, the base is fixed at lower supporting platform's upper surface through the third fastening bolt that runs through from bottom to top, dashes the cover die holder and sets up the upper surface of base dashes the top of cover die holder and sets up the material clamp plate returns, and this material clamp plate passes through the screw and connects respectively on the base, is provided with towards the cover in the blanking hole of dashing the cover die holder, is provided with the fourth fastening bolt that runs through to towards the cover outside on dashing the lateral wall of cover die holder.
In the above scheme, it is further preferable that the dimensions of the left and right ends of the material returning pressing plate are larger than those of the die holder of the die set, and a buffer support member is arranged between the edges of the left and right ends of the material returning pressing plate and the base.
According to the scheme, the material returning plate fixing seats are respectively fixed on the bases at the front side edge and the rear side edge of the punching die seat, and the material returning pressing plates are connected to the material returning plate fixing seats through screws.
The base is provided with L-shaped pressing round steel matched with the L-shaped supporting steps, a limiting pressing plate is arranged on the surface of the L-shaped pressing round steel, and the L-shaped supporting steps, the L-shaped pressing round steel and the limiting pressing plate of the base are fixedly connected through a third fastening bolt penetrating from bottom to top.
The above scheme is further preferable that the feeding assembly is provided with a limiting and fixing assembly sliding along the feeding conveying direction, one end of the limiting and fixing assembly is connected to one side edge of the feeding assembly in a sliding mode, and the other end of the limiting and fixing assembly is connected to the other side edge of the feeding assembly through a bolt.
Above-mentioned scheme is further preferred, the material loading subassembly is including fixing driving roller support and the driving roller on the operation panel, both sides edge on the driving roller support just follows the conveying direction interval setting in proper order the driving roller, spacing fixed subassembly includes sliding seat, buckle clamp plate and positioning screw, is provided with along driving roller conveying direction at one side edge of driving roller support and extends to the slip backup pad of subassembly one side that punches a hole, is provided with the connection fixing base at the opposite side edge of driving roller support and is close to subassembly one side that punches a hole, sliding seat sliding connection is at the slip backup pad, the stiff end of buckle clamp plate articulates on the sliding seat, be provided with the fixed orifices on the free end of buckle clamp plate, the fixed orifices on this buckle clamp plate free end pass through the bolt fastening and are in on the connection fixing base, set up on the central outer wall of buckle clamp plate along the positioning screw that subassembly direction extends.
In the above scheme, it is further preferable that a push rod is arranged on the outer wall of the free end of the buckling plate.
According to another aspect of the invention, the invention provides a processing method of a tower crane standard knot punching processing device, which comprises the following steps,
Step 1, determining the number and punching positions of pre-punched workpieces to be punched, and then arranging punching heads with corresponding intervals and numbers in a punching head die holder;
Step 2, conveying the pre-punched workpiece to a punching sleeve die holder of a supporting module along a feeding assembly, adjusting the relative positions of the punching position of the pre-punched workpiece and a blanking hole on the punching sleeve die holder, adjusting limit pressing plates at the edges of the front side and the rear side of a base to cling to the pre-punched workpiece, and fixing the pre-punched workpiece on the punching sleeve die holder through bolts;
step 3, placing a material returning pressing plate on the pre-punched workpiece, arranging buffer supporting pieces between the edges of the left end and the right end of the material returning pressing plate and the base, connecting the material returning pressing plate on a material returning plate fixing seat by using screws, fixedly connecting the material returning pressing plate with the pre-punched workpiece by using bolts, and tightly pressing the material returning pressing plate on the surfaces of the left end and the right end of the pre-punched workpiece by using vertical fastening pressing assemblies;
Step 4, sliding the limiting and fixing assembly on the driving roller support and approaching the punching sleeve die holder, transversely fixing the buckling plate on the driving roller support, and adjusting the positioning screw rod to extend out to one side of the discharging assembly so that the positioning screw rod is clung to the side wall of the punching workpiece;
Step 5, applying a punching force to the punching module, when the punch die holder descends for the first time, carrying out pre-punching positioning on the pre-punched workpiece by the punching head, accurately fixing the punching sleeve in the blanking hole through a fourth fastening bolt, and when the punch die holder descends again, guiding the punching head downwards to punch the pre-punching position of the pre-punched workpiece, so that punching scraps fall down to the lower part of the operation table along the blanking hole;
And 6, after punching, sequentially removing the screws on the limiting fixing assembly and the material returning pressing plate, enabling the buffer supporting piece to push the material returning pressing plate upwards, taking out the pre-punched workpiece from the punching sleeve die seat after removing the material returning pressing plate, completing the pre-punched workpiece, and repeating the steps 1 to 5 again after placing the next pre-punched workpiece.
In summary, the invention adopts the technical scheme, and has the following technical effects:
(1) When the standard joint connecting plate workpiece is punched, an operator can install corresponding number of punches according to the number and the distance of punching of the standard joint connecting plate workpiece in advance, then send the workpiece to the lower part of the punching die head, and can carry out punching operation on the workpiece after lateral clamping and vertical clamping positioning, thus greatly simplifying the punching process of the standard joint connecting plate workpiece, reducing the workload of the operator and increasing the punching precision,
(2) The punching processing equipment disclosed by the invention can be used for rapidly completing the installation of the punching head, is convenient to clamp and withdraw the punching head, is simple in structure, reasonable in whole production processing technology configuration, and capable of simultaneously completing the punching and blanking procedures in the running process of the punching head to the punching sleeve die holder, so that the production efficiency is improved, the cost is low, the precision of the relative positions of a standard joint connecting plate workpiece, the punching sleeve die holder and the punching sleeve is effectively ensured, the phenomenon that the workpiece deviates during punching is avoided, and the consistency of the punching specification of the workpiece is ensured, thereby improving the processing precision of the plate holes of the standard joint connecting plate.
Drawings
FIG. 1 is a schematic structural view of a tower crane standard knot punching processing device of the invention;
FIG. 2 is a schematic view of a spacing fixing assembly of the present invention;
FIG. 3 is a schematic view of the structure of the punch assembly of the present invention;
FIG. 4 is a schematic A-A schematic view of the punch assembly of the present invention;
FIG. 5 is a schematic view of the mounting structure of the punch holder of the present invention;
FIG. 6 is a schematic view of the structure of the upper top plate of the present invention;
FIG. 7 is a schematic view of the mounting structure of the support module of the present invention;
In the drawing, an operation table 1, a feeding assembly 2, a punching assembly 3, a discharging assembly 4, a limit fixing assembly 20, a sliding seat 21, a buckling plate 22, a positioning screw 23, a fixing hole 24, a supporting module 30, a punching module 31, a supporting housing 32, a vertical fixing pressing assembly 33, a pressing plate 34, a vertical lifting rod 35, a guide seat 36, a driving roller bracket 200, a driving roller 201, a sliding supporting plate 202, a connection fixing seat 203, a lower supporting platform 300, a third fastening bolt 300a, a base 301, an L-shaped supporting step 301a, a punching die holder 302, a fourth fastening bolt 302a, a material returning pressing plate 303, a material returning plate fixing seat 303a, a blanking hole 304, a punching die holder 305, a buffer supporting member 306, an L-shaped pressing round steel 307, a limit pressing plate 308, an upper supporting platform 310, an upper top plate 311, a punching die holder 312, a die 313, a movable top plate 314, a long hole 311a, a first fastening bolt 311b, a fixing through hole 311c, a second fastening bolt 311d, a punching hole 315, and a clamping step 316.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the invention, and that these aspects of the invention may be practiced without these specific details.
Referring to fig. 1 and 2, the standard knot punching processing equipment of the tower crane according to the invention comprises an operation table 1, a feeding component 2, a punching component 3 and a discharging component 4, wherein the feeding component 2, the punching component 3 and the discharging component 4 are sequentially arranged and installed on the operation table 1 from left to right, Punching assembly 3 and ejection of compact subassembly 4, punching assembly 3 includes supporting module 30 and sets up the module 31 that punches a hole directly over supporting module 30, supporting module 30 passes through the bolt fastening on the operation panel 1, punching module 31 passes through supporting housing 32 cover to be established on the operation panel 1, be provided with respectively on the supporting housing 32 of the top of the discharge end of material loading subassembly 2 and the top of the pan feeding end of ejection of compact subassembly 4 and solid tight subassembly 33 (set up respectively on the supporting housing 32 near the both ends top about supporting module 30 solid tight subassembly 33 admittedly), wherein vertical tight subassembly 33 includes tight clamp plate 34, The feeding device comprises a supporting shell 32, vertical lifting rods 35 and guide seats 36, wherein the guide seats 36 are fixed on the left side wall and the right side wall in the supporting shell 32, the vertical lifting rods 35 vertically penetrate through the guide seats 36, tight pressing plates are horizontally arranged on the lower end parts of the vertical lifting rods 35, the vertical lifting rods 35 are fixed in the supporting shell 32 through the guide seats 36, a limiting and fixing assembly 20 sliding along the feeding conveying direction is arranged on the feeding assembly 2, one end of the limiting and fixing assembly 20 is connected onto one side edge of the feeding assembly 2 in a sliding manner, the other end of the limiting and fixing assembly 20 is connected onto the other side edge of the feeding assembly 2 through bolts, the feeding assembly 2 comprises a driving roller bracket 200 and a driving roller 201 fixed on the operating table 1, the driving roller 201 are sequentially arranged at the two side edges of the driving roller bracket 200 at intervals along the conveying direction, and the limiting and fixing assembly 20 comprises a sliding seat 21, The device comprises a buckling plate 22 and a positioning screw 23, wherein a sliding support plate 202 extending to one side of a punching assembly 3 along the conveying direction of a driving roller 201 is arranged on one side edge of the driving roller support 200, a connecting fixing seat 203 is arranged on the other side edge of the driving roller support 200 and close to one side of the punching assembly 3, the sliding seat 21 is in sliding connection with the sliding support plate 202, the fixed end of the buckling plate 22 is hinged to the sliding seat 21, a fixing hole 24 is formed in the free end of the buckling plate 22, the fixing hole 24 in the free end of the buckling plate 22 is fixed to the connecting fixing seat 203 through a bolt, a positioning screw 23 extending along the conveying direction of the punching assembly 3 is arranged on the outer wall of the center of the buckling plate 22, a push rod 25 is arranged on the outer wall of the free end of the buckling plate 22, after a pre-punched workpiece is conveyed to the supporting module 30 along the conveying direction of the driving roller 201 of the feeding assembly 2, a vertical lifting rod 35 is moved downwards on the guiding seat 36, the buckling plate 34 is pushed to press the pre-punched workpiece to the left end surface and the right end surface of the pre-punched workpiece, the vertical lifting rod 22 is pushed by the buckling plate 34 to press the pre-punched workpiece to the vertical supporting plate 21, the vertical lifting plate 23 is pushed to press the pre-punched workpiece to the sliding support plate 22 to the left end of the sliding support plate 22 or the pre-punched workpiece to be opposite to the left side of the punching assembly, and the pre-punched workpiece is fixed to the pre-punched workpiece by the sliding support plate 200, and the pre-punched workpiece is fixed to the left side by the sliding support plate 23, and the sliding support plate is opposite to the pre-punched workpiece is positioned on the sliding support plate 23 by the sliding support plate, and the pre-punched workpiece is opposite the vertical supporting plate and the vertical to the pre-punching plate and the pre-punching plate, and the pre-punching plate 2.
In the present invention, as shown in fig. 3, 4, 5 and 6, the punching module 31 comprises an upper support platform 310, an upper top plate 311, a punch holder 312, a punch head 313 and a movable top plate 314, wherein the upper support platform 310 is arranged at the inner top end of the support housing 32, a long hole 311a is arranged around the upper top plate 311, the lower surface of the upper support platform 310 is connected with the long hole 311a of the upper top plate 311 through a first fastening bolt 311b, a plurality of rows of fixing through holes 311c along the length direction are arranged at the center of the upper top plate 311, the punch holder 312 is fixed at the lower surface of the upper top plate 311 through the fixing through holes 311c from top to bottom through a second fastening bolt 311d, a plurality of punch holes 315 with big upper end and small lower end are arranged in the punch holder 312 in a penetrating manner from top to bottom, a clamping step 316 is arranged at the middle lower part of the punch holes 315, the movable top plate 314 and the punch head 313 are respectively arranged in the punch holes 315 from top to bottom, the design of a plurality of punch holes 315 can be installed into the punch die 313, the machining error of the holes can be reduced, the efficiency is improved, the punching process is reasonably utilized, the machining operation of forming six holes at one time is realized, the operation is convenient, the upper end of the punch die 313 is clamped on the clamping step 316, the lower end of the punch die 313 extends vertically outwards from the lower end of the punch hole 315, the punch die 313 is installed into the punch die holder 312 from the punch hole 315 and is clamped on the clamping step 316, the movable top plate 314 is installed into the punch hole 315 to limit the movement of the punch die 313, then the upper top plate 311 is fixed on the upper surface of the punch die holder 312 through the second fastening bolt 311d to limit the movement of the movable top plate 314, the punch die 313 is installed into the punch die holder 312, the movable top plate 314 is inserted into the punch die holder 312, the installation of the punch die 313 can be rapidly completed, the clamping and the die withdrawal are convenient, the efficiency is improved.
In the present invention, as shown in fig. 1,3,4 and 7, the support module 30 is disposed under the lower end of the die head 313, the support module 30 comprises a lower support platform 300, a base 301, a die holder 302 and a relief pressure plate 303, the lower support platform 300 is disposed on the operation table 1, a plurality of blanking holes 304 corresponding to the die head 313 are disposed on the lower support platform 300, the base 301, the die holder 302 and the relief pressure plate 303, the base 301 is fixed on the upper surface of the lower support platform 300 by a third fastening bolt 300a penetrating from bottom to top, the die holder 302 is disposed on the upper surface of the base 301, the relief pressure plate 303 is disposed above the die holder 302, the relief pressure plate 303 is connected to the base 301 by screws, the die holder 302 is disposed with a die sleeve 305 in the blanking hole 304, a fourth fastening bolt 302a penetrating to the outside of the die sleeve 302 is disposed on the side wall of the die holder 302, the relief pressure plate is disposed on the left side of the die holder 311 by a large size of the die holder 311 and is fixed to the upper die holder 311 by a fixing base 12, the upper die holder 12 is disposed on the upper end 311 by a large size of the die holder 311 and is fixed to the upper die holder 12.311 by a fixing plate 12 x 14 x, the upper end of the die holder 303 is fixed by a fixing base 12 x 13, the upper end of the relief pressure plate is fixed by a fixing seat 311 is disposed on the upper end of the die holder 301, the upper end is fixed by a fixing hole 311, the punching head 313 for punching is installed in the punching die holder 312 to work when the upper supporting platform 310 is pushed by the oil press, the punching die holder 312 is provided with a hole of 14×m12 and is fixedly connected with the upper top plate 311, the punching hole 315 of 6×Φ29 is used for installing the punching head 313, the punching head 313 is installed on the punching die holder 312, a long hole 311a (notch) is used for installing the movable upper top plate 311, a movable top plate 314 is installed in the punching hole 315 to limit the movement of the punching head 313 in the punching process, the sleeve die holder 302 is provided with a hole of 6×Φ65 for installing the punching sleeve 305, the punching hole 315 is used for punching a workpiece through the punching sleeve 305, the material returning pressing plate 303 is connected with the sleeve die holder through a hole on the sleeve die holder 302 by bolts, the material returning pressing plate 303 is used for limiting the movement of the workpiece when the sleeve die holder 302 is lifted, and the material returning pressing plate 303 is increased to improve the punching processing precision.
The front side edge and the rear side edge of the base 301 are provided with L-shaped supporting steps 301a, the base 301 is provided with L-shaped compressed round steel 307 which is matched with the L-shaped supporting steps 301a, the surface of the L-shaped compressed round steel 307 is provided with limiting pressing plates 308, a placing groove is formed between the front side edge and the rear side edge of the base 301 through the limiting pressing plates 308, the punching die holder 302 is limited in the placing groove formed by the limiting pressing plates 308, the movement of the punching die holder 302 and a workpiece is prevented in the punching process or during the lifting of the punching die, the L-shaped supporting steps 301a, the L-shaped compressed round steel 307 and the limiting pressing plates 308 of the base 301 are fixedly connected through third fastening bolts 300a penetrating from bottom to top, one end of the L-shaped compressed round steel 307 is clamped on the lower supporting platform 300, and the other end of the L-shaped compressed round steel 307 is lapped on the L-shaped supporting steps 301a, the base 301, the L-shaped compressed round steel 307 and the limiting pressing plates 308 are mutually fixed through the third fastening bolts 300a, and the base 301 and the punching die holder 302 are prevented from moving.
According to another aspect of the present invention, in combination with fig. 1 to 7, there is provided a punching method of a tower crane standard knot punching apparatus, the method comprising the steps of,
Step 1, determining the number and punching positions of pre-punched workpieces to be punched, arranging punching heads 313 with corresponding intervals and numbers in a punching die holder 312, and arranging a plurality of punching heads 313, so that errors generated during one-side punching processing can be reduced, and meanwhile, the production efficiency is improved;
Step 2, conveying the pre-punched workpiece to a punching sleeve die holder 302 of a supporting module 30 along a feeding assembly 2, adjusting the punching position of the pre-punched workpiece to be opposite to a blanking hole 304 on the punching sleeve die holder 302, adjusting limit pressing plates 308 on the front side edge and the rear side edge of a base 301 to be clung to the pre-punched workpiece, and fixing the pre-punched workpiece on the punching sleeve die holder 302 through bolts;
And 3, placing a material returning pressing plate 303 on the pre-punched workpiece, arranging a buffer support 306 between the edges of the left end and the right end of the material returning pressing plate 303 and the base 301, connecting the material returning pressing plate 303 on a material returning plate fixing seat 303a by using screws, fixedly connecting the material returning pressing plate 303 with the pre-punched workpiece by using bolts, tightly pressing the vertical fastening pressing assembly 33 on the left end and the right end surfaces of the pre-punched workpiece, and tightly pressing and fixing the pre-punched workpiece in the vertical direction by using the fastening pressing plate 34 in the downward movement process of the guide holder 36 by using the vertical lifting rod 35, so that the punching die 313 can effectively limit the upward movement of the workpiece during punching processing of the workpiece and demoulding and lifting, and can improve the stability and safety of the punched workpiece.
Step 4, sliding the pushing sliding seat 21 of the limiting and fixing assembly 20 on the driving roller bracket 200, enabling the pushing sliding seat 21 to slide on the sliding supporting plate 202, enabling the buckling plate 22 of the limiting and fixing assembly 20 to approach the punching die seat 302, enabling the buckling plate 22 to transversely span and fix on the driving roller bracket 200, and adjusting the positioning screw 23 to extend towards the discharging assembly 4 side, so that the positioning screw 23 is tightly attached to the side wall of the punching workpiece;
Step 5, applying a punching force to the punching module 31, when the punch die holder 312 descends for the first time, performing pre-punching positioning on the pre-punched workpiece by the punching head 313, accurately fixing the punching sleeve 305 in the blanking hole 304 through the fourth fastening bolt 302a, and when the punch die holder 312 descends again, guiding the punching head 313 downwards to punch the pre-punching position of the pre-punched workpiece, so that punching scraps fall down to the lower part of the operation table (1) along the blanking hole 304;
And 6, after punching, sequentially removing the limit fixing assembly 20 and the screws on the material returning pressing plate 303, so that the buffer supporting piece 306 pushes the material returning pressing plate 303 upwards, after removing the material returning pressing plate 303, taking out the pre-punched workpiece from the punching die seat 302, completing the pre-punched workpiece, and repeating the steps 1 to 5 again after placing the next pre-punched workpiece. The punching processing equipment can rapidly complete the installation of the punching head 313, is convenient for clamping and die withdrawal, has reasonable configuration of the whole production processing technology, can simultaneously complete the punching and blanking procedures in the running process of the punching head 313 to the punching die holder 302 through the arrangement of the supporting module 30 and the punching module 31, improves the production efficiency, reduces the production cost, and simultaneously effectively ensures the precision of the relative positions of the standard joint connecting plate workpiece, the punching die holder 302 and the punching sleeve 305, thereby improving the processing precision of the plate holes of the standard joint connecting plate.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (3)
1. The tower crane standard knot punching equipment is characterized by comprising an operation table (1), a feeding component (2), a punching component (3) and a discharging component (4), wherein the feeding component (2), the punching component (3) and the discharging component (4) are sequentially arranged on the operation table (1) from left to right, the punching component (3) comprises a supporting module (30) and a punching module (31) arranged right above the supporting module (30), the supporting module (30) is fixed on the operation table (1) through bolts, the punching module (31) is sleeved on the operation table (1) through a supporting shell (32), and vertical compression components (33) are respectively arranged on the supporting shells (32) close to the upper parts of the left end and the right end of the supporting module (30);
The punching module (31) comprises an upper supporting platform (310), an upper top plate (311), a punching die holder (312), a punching die head (313) and a movable top plate (314), wherein the upper supporting platform (310) is arranged at the top end of the inside of a supporting shell (32), a long hole (311 a) is arranged around the upper top plate (311), the lower surface of the upper supporting platform (310) is connected with the long hole (311 a) of the upper top plate (311) through a first fastening bolt (311 b), a plurality of rows of fixing through holes (311 c) along the length direction are arranged at the center of the upper top plate (311), the punching die holder (312) is fixed on the lower surface of the upper top plate (311) through the fixing through holes (311 c) from top to bottom through a second fastening bolt (311 d), a plurality of punching holes (315) with large upper ends and small lower ends are arranged in the punching die holder (312) from top to bottom, a clamping step (316) is arranged at the middle lower part of the punching holes (315), the movable die head (314) and the movable die head (313) are respectively arranged from top to bottom in the punching holes (315), the punching die head (313) is clamped at the upper ends and the punching die heads (313) extend from the upper ends to the lower ends of the punching die heads (313), the die head (313) is characterized in that the support module (30) is arranged right below the lower end of the die head (313), the support module (30) comprises a lower support platform (300), a base (301), a die sleeve seat (302) and a material returning pressing plate (303), the lower support platform (300) is arranged on an operation table (1), a plurality of blanking holes (304) corresponding to the die head (313) are formed in the lower support platform (300), the base (301) is fixed on the upper surface of the lower support platform (300) through a third fastening bolt (300 a) penetrating from bottom to top, the die sleeve seat (302) is arranged on the upper surface of the base (301), the material returning pressing plate (303) is arranged above the die sleeve seat (302), the material returning pressing plate (303) is respectively connected to the base (301) through screws, a blanking sleeve (305) is arranged in the holes (304) of the die sleeve seat (302), and the die sleeve seat (302) is fastened to the outer side wall (302) through a fourth fastening bolt (305);
The size of the left end and the right end of the material returning pressing plate (303) is larger than that of the punching sleeve die holder (302), a buffer supporting piece (306) is arranged between the edges of the left end and the right end of the material returning pressing plate (303) and the base (301), material returning plate fixing seats (303 a) are respectively fixed on the base (301) of the front side and the rear side of the punching sleeve die holder (302), the material returning pressing plate (303) is connected to the material returning plate fixing seats (303 a) through screws, L-shaped supporting steps (301 a) are arranged on the front side and the rear side of the base (301), L-shaped pressing round steel (307) which is matched with the L-shaped supporting steps (301 a) are arranged on the base (301), limit pressing plates (308) are arranged on the surfaces of the L-shaped pressing round steel (307), and the L-shaped supporting steps (301 a), the L-shaped round steel (307) and the limit pressing plates (308) are fixedly connected through third fastening bolts (300 a) which penetrate from bottom to top;
A limiting and fixing assembly (20) sliding along the feeding conveying direction is arranged on the feeding assembly (2), one end of the limiting and fixing assembly (20) is connected to one side edge of the feeding assembly (2) in a sliding mode, and the other end of the limiting and fixing assembly (20) is connected to the other side edge of the feeding assembly (2) through a bolt;
the feeding assembly (2) comprises a driving roller support (200) and a driving roller (201) which are fixed on an operation table (1), wherein the driving roller (201) is sequentially arranged at two side edges on the driving roller support (200) at intervals along the conveying direction, the limiting fixing assembly (20) comprises a sliding seat (21), a buckling plate (22) and a positioning screw (23), a sliding supporting plate (202) which extends to one side of the punching assembly (3) along the conveying direction of the driving roller (201) is arranged at one side edge of the driving roller support (200), a connecting fixing seat (203) is arranged at the other side edge of the driving roller support (200) and close to one side of the punching assembly (3), the sliding seat (21) is in sliding connection with the sliding supporting plate (202), the fixed end of the buckling plate (22) is hinged to the sliding seat (21), a fixing hole (24) is formed in the free end of the buckling plate (22), the fixing hole (24) in the free end of the buckling plate is fixed on the connecting fixing seat (203) through a bolt, and the positioning screw (23) which extends along the punching direction of the punching assembly (3) is arranged on the center of the buckling plate (22).
2. A tower crane standard knot punching equipment according to claim 1, characterized in that a push rod (25) is arranged on the outer wall of the free end of the buckling plate (22).
3. A punching method using the standard knot punching apparatus of a tower crane according to any one of claims 1 or 2, comprising the steps of:
step 1, determining the number and punching positions of pre-punched workpieces to be punched, and then arranging punching heads (313) with corresponding intervals and numbers in a punching head die holder (312);
Step 2, conveying the pre-punched workpiece to a punching sleeve die holder (302) of a supporting module (30) along a feeding assembly (2), adjusting the relative position of the punching position of the pre-punched workpiece and a blanking hole (304) on the punching sleeve die holder (302), adjusting limit pressing plates (308) at the edges of the front side and the rear side of a base (301) to cling to the pre-punched workpiece, and fixing the pre-punched workpiece on the punching sleeve die holder (302) through bolts;
Step 3, placing a material returning pressing plate (303) on the pre-punched workpiece, arranging buffer supporting pieces (306) between edges of the left end and the right end of the material returning pressing plate (303) and the base (301), connecting the material returning pressing plate (303) on a material returning plate fixing seat (303 a) by using screws, fixedly connecting the material returning pressing plate (303) with the pre-punched workpiece by bolts, and tightly pressing the material returning pressing plate (303) on the surfaces of the left end and the right end of the pre-punched workpiece by vertical fastening pressing assemblies (33);
Step 4, sliding the limiting and fixing assembly (20) on the driving roller bracket (200) and approaching the punching die seat (302), and adjusting the positioning screw (23) to extend to one side of the discharging assembly (4) after the buckling plate (22) is transversely fixed on the driving roller bracket (200), so that the positioning screw (23) is tightly attached to the side wall of the punching workpiece;
step 5, applying a punching force to the punching module (31), when the punch die holder (312) descends for the first time, carrying out pre-punching positioning on the pre-punched workpiece by the punching head (313), accurately fixing the punching sleeve (305) in the blanking hole (304) through the fourth fastening bolt (302 a), and when the punch die holder (312) descends again, guiding the punching head (313) downwards to punch the pre-punching position of the pre-punched workpiece to carry out punching, so that punching waste falls down to the lower part of the operation table (1) along the blanking hole (304);
and 6, after punching, sequentially removing the screws on the limiting fixing assembly (20) and the material returning pressing plate (303), enabling the buffer supporting piece (306) to push the material returning pressing plate (303) upwards, taking out the pre-punched workpiece from the punching sleeve die seat (302) after removing the material returning pressing plate (303), completing the pre-punched workpiece, and repeating the steps 1 to 5 again after placing the next pre-punched workpiece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110423989.7A CN113182421B (en) | 2021-04-20 | 2021-04-20 | Tower crane standard knot punching equipment and punching method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110423989.7A CN113182421B (en) | 2021-04-20 | 2021-04-20 | Tower crane standard knot punching equipment and punching method |
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| CN113182421B true CN113182421B (en) | 2025-07-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215090090U (en) * | 2021-04-20 | 2021-12-10 | 广西建工集团建筑机械制造有限责任公司 | Tower machine standard festival processing equipment that punches a hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100594998C (en) * | 2008-11-24 | 2010-03-24 | 高尔荣 | An angle steel punching production line |
| KR20160051275A (en) * | 2014-11-03 | 2016-05-11 | 주식회사 엠큐 | Angle punching machine |
| CN212329421U (en) * | 2020-04-13 | 2021-01-12 | 浙江精功科技股份有限公司 | Automatic punching production line for angle steel |
| CN112453194A (en) * | 2020-11-11 | 2021-03-09 | 钟德养 | High-efficient punching device of machinery accessories |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215090090U (en) * | 2021-04-20 | 2021-12-10 | 广西建工集团建筑机械制造有限责任公司 | Tower machine standard festival processing equipment that punches a hole |
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