A tower crane standard section punching processing device and a punching processing method

Abstract

The present invention discloses a punching processing device and a punching processing method for a tower crane standard section, which include an operation table, a feeding component, a punching component and a discharging component. The feeding component, the punching component and the discharging component are sequentially arranged on the operation table from left to right. The punching component includes a support module and a punching module arranged directly above the support module. The support module is fixed to the operation table by bolts, and the punching module is sleeved on the operation table through a support housing. Vertical tightening and pressing components are respectively arranged on the support housing above the left and right ends of the support module close to the support module. The present invention can install corresponding numbers of punching heads according to the number and distance of holes to be punched on the workpiece, and after laterally clamping and vertically clamping and positioning the workpiece, the punching operation can be carried out on the workpiece, which can greatly simplify the punching process of the standard section connecting plate workpiece, avoid the phenomenon of workpiece offset during punching, and ensure the consistency of the punching specifications of the workpiece.

Description

Technical Field

[0001] The present invention relates to the technical field of tower crane processing equipment, and in particular to a tower crane standard section punching processing equipment and a punching processing method. Background Art

[0002] The standard section connection holes are rough engineering structural parts and can be used even with certain manufacturing errors. However, with the increasingly fierce market competition, products without quality assurance are gradually losing their competitiveness. Existing punching equipment is easy to operate and has low requirements for working accuracy. The main processing technology method for the existing standard section connecting plate holes is the radial drilling processing technology method. A drill jig is placed on the workpiece, and the workpieces all need to be positioned and clamped by the drill jig. Moreover, the clamping operation is rather troublesome. After clamping and tightening, single-hole processing and forming are carried out. Since each hole is processed separately, the entire process takes a long time, has a large labor intensity, is prone to deviation during processing, has low accuracy, and the radial drill takes a long time, and it is very difficult for manual control to meet the quality requirements. Summary of the Invention

[0003] The purpose of the present invention is to provide a tower crane standard section punching processing equipment and its processing technology method. The present invention can install corresponding numbers of punches according to the number and distance of holes to be punched on the workpiece, and after laterally clamping and vertically clamping and positioning the workpiece, the punching operation can be carried out on the workpiece. This can greatly simplify the punching process of the standard section connecting plate workpiece, avoid the phenomenon of workpiece offset during punching, ensure the consistency of the punching specifications of the workpiece, and improve the processing accuracy of the plate holes of the standard section connecting plate. To achieve the above purpose, the present invention adopts the following technical effects:

[0004] According to one aspect of the present invention, there is provided a tower crane standard section punching processing equipment, including an operation table, a loading component, a punching component, and a discharging component. The loading component, the punching component, and the discharging component are sequentially arranged and installed on the operation table from left to right. The punching component includes a support module and a punching module arranged directly above the support module. The support module is fixed to the operation table by bolts, and the punching module is sleeved on the operation table through a support housing. Vertically tightening pressure components are respectively arranged on the support housing near the upper ends of the left and right ends of the support module.

[0005] In a further preferred embodiment of the above solution, the punching module includes an upper support platform, an upper top plate, a punch die holder, a punch die head, and a movable top plate. The upper support platform is disposed at the inner top end of the support housing. Long holes are provided around the upper top plate, and the lower surface of the upper support platform is connected to the long holes of the upper top plate through first fastening bolts. Multiple rows of fixing through holes are provided in the center of the upper top plate along the length direction. The punch die holder is fixed to the lower surface of the upper top plate by second fastening bolts passing through the fixing through holes from top to bottom. A plurality of punch holes with a large upper end and a small lower end are vertically penetrated through the punch die holder from top to bottom. A clamping step is provided in the middle and lower part of the punch hole. The movable top plate and the punch die head are respectively arranged in the punch hole from top to bottom. The upper end of the punch die head is clamped on the clamping step, and the lower end of the punch die head vertically extends outwards from the lower end of the punch hole. The support module is disposed directly below the lower end of the punch die head.

[0006] In a further preferred embodiment of the above solution, the support module includes a lower support platform, a base, a punch sleeve die holder, and a stripping pressure plate. The lower support platform is disposed on the operating table. A plurality of blanking holes corresponding to the punch die head are vertically penetrated through the lower support platform, the base, the punch sleeve die holder, and the stripping pressure plate. The base is fixed to the upper surface of the lower support platform by third fastening bolts passing through from bottom to top. The punch sleeve die holder is disposed on the upper surface of the base. The stripping pressure plate is disposed above the punch sleeve die holder and is connected to the base by screws respectively. A punch sleeve is disposed in the blanking hole of the punch sleeve die holder. A fourth fastening bolt is provided on the side wall of the punch sleeve die holder and penetrates through to the outside of the punch sleeve.

[0007] In a further preferred embodiment of the above solution, the sizes of the left and right ends of the stripping pressure plate are larger than the size of the punch sleeve die holder. Buffer support members are provided between the edges of the left and right ends of the stripping pressure plate and the base.

[0008] In a further preferred embodiment of the above solution, blanking plate fixing seats are respectively fixed on the bases at the front and rear side edges of the punch sleeve die holder. The stripping pressure plate is connected to the blanking plate fixing seats by screws.

[0009] In a further preferred embodiment of the above solution, L-shaped support steps are provided on the front and rear side edges of the base. An L-shaped pressing round steel that fits with the L-shaped support steps is provided on the base. A limiting pressure plate is provided on the surface of the L-shaped pressing round steel. The L-shaped support steps, the L-shaped pressing round steel, and the limiting pressure plate of the base are fixedly connected by third fastening bolts passing through from bottom to top.

[0010] In a further preferred embodiment of the above solution, a limiting and fixing component that slides along the feeding direction is provided on the feeding component. One end of the limiting and fixing component is slidably connected to one side edge of the feeding component, and the other end of the limiting and fixing component is connected to the other side edge of the feeding component by bolts.

[0011] In a further preferred embodiment of the above solution, the loading component includes a driving roller bracket and a driving roller fixed on the operating table. The driving rollers are arranged at intervals along the conveying direction on both side edges of the driving roller bracket. The limiting and fixing component includes a sliding seat, a clamping plate and a positioning screw. On one side edge of the driving roller bracket, there is a sliding support plate extending along the conveying direction of the driving roller to one side of the punching component. On the other side edge of the driving roller bracket and close to one side of the punching component, there is a connecting and fixing seat. The sliding seat is slidably connected to the sliding support plate. The fixed end of the clamping plate is hinged to the sliding seat. A fixing hole is provided at the free end of the clamping plate, and the fixing hole at the free end of the clamping plate is fixed to the connecting and fixing seat by a bolt. A positioning screw extending along the direction of the punching component is provided on the outer wall of the center of the clamping plate.

[0012] In a further preferred embodiment of the above solution, a push rod is provided on the outer wall of the free end of the clamping plate.

[0013] According to another aspect of the present invention, the present invention provides a processing method for a tower crane standard section punching processing device, including the following steps:

[0014] Step 1: Determine the number of holes to be punched and the punching positions of the pre-punched workpieces, and then set corresponding intervals and numbers of punching dies in the punch die holder.

[0015] Step 2: Transfer the pre-punched workpieces along the loading component to the punch sleeve die holder of the support module, adjust the relative position between the punching position of the pre-punched workpieces and the blanking holes on the punch sleeve die holder, adjust the limiting pressing plates on the front and rear side edges of the base to closely adhere to the pre-punched workpieces, and fix the pre-punched workpieces to the punch sleeve die holder by bolts.

[0016] Step 3: Place a blanking pressing plate on the pre-punched workpieces, set buffer supports between the left and right ends of the blanking pressing plate and the base, connect the blanking pressing plate to the blanking plate fixing seat with screws, and fix the blanking pressing plate to the pre-punched workpieces by bolts. Then, tightly press the vertical tightening and pressing component on the left and right end surfaces of the pre-punched workpieces.

[0017] Step 4: Slide the limiting and fixing component on the driving roller bracket and approach the punch sleeve die holder. After fixing the clamping plate across the driving roller bracket, adjust the positioning screw to extend towards the discharging component side, so that the positioning screw closely adheres to the side wall of the punching workpiece.

[0018] Step 5: Apply an impact force to the punching module. When the punch die holder descends for the first time, the punching die performs pre-punching positioning on the pre-punched workpieces, and accurately fixes the punch sleeve in the blanking hole through the fourth fastening bolt. When the punch die holder descends again, the punching die is guided downward to punch the pre-punched position of the pre-punched workpieces, so that the punching waste falls along the blanking hole to the lower part of the operating table.

[0019] Step 6, after punching is completed, remove the screws on the limit fixing component and the blanking pressure plate in sequence, so that the buffer support pushes the blanking pressure plate upward. After removing the blanking pressure plate, take out the pre-punched workpiece from the punch sleeve die base, complete the pre-punched workpiece, place the next pre-punched workpiece, and repeat steps 1 to 5 again.

[0020] In summary, the present invention adopts the above technical solutions, and the present invention has the following technical effects:

[0021] (1) When punching the standard section connecting plate workpiece, the operator can install the corresponding number of punches in advance according to the number and distance of the holes to be punched on the standard section connecting plate workpiece, and then send the workpiece under the punch die head. After positioning by lateral clamping and vertical clamping, the punching operation can be carried out on the workpiece, which can greatly simplify the punching process of the standard section connecting plate workpiece, reduce the workload of the operator, and also increase the punching accuracy.

[0022] (2) The punching processing equipment of the present invention can quickly complete the installation of the punch die head, is convenient for clamping and die removal, has a simple structure, and the entire production and processing process configuration is reasonable. During the operation of the punch die head towards the punch sleeve die base, the punching and blanking processes can be completed simultaneously, improving the production efficiency, reducing the cost, and effectively ensuring the accuracy of the relative positions of the standard section connecting plate workpiece, the punch sleeve die base, and the punch sleeve, avoiding the phenomenon of workpiece deviation during punching, ensuring the consistency of the punching specifications of the workpiece, and thus improving the processing accuracy of the plate holes of the standard section connecting plate. Brief Description of the Drawings

[0023] Figure 1 is a schematic structural diagram of a tower crane standard section punching processing equipment of the present invention;

[0024] Figure 2 is a schematic structural diagram of the limit fixing component of the present invention;

[0025] Figure 3 is a schematic structural diagram of the punching component of the present invention;

[0026] Figure 4 is a schematic view of the punching component of the present invention in the A-A direction;

[0027] Figure 5 is a schematic installation structure diagram of the punch die base of the present invention;

[0028] Figure 6 is a schematic structural diagram of the upper top plate of the present invention;

[0029] Figure 7 is a schematic installation structure diagram of the support module of the present invention;

[0030] In the attached drawings, there are an operating table 1, a feeding component 2, a punching component 3, a discharging component 4, a limiting and fixing component 20, a sliding seat 21, a clamping plate 22, a positioning screw 23, a fixing hole 24, a supporting module 30, a punching module 31, a supporting housing 32, a vertical tightening and pressing component 33, a tightening plate 34, a vertical lifting rod 35, a guiding seat 36, a driving roller bracket 200, a driving roller 201, a sliding supporting plate 202, a connecting and fixing seat 203, a lower supporting platform 300, a third fastening bolt 300a, a base 301, an L-shaped supporting step 301a, a bush die holder 302, a fourth fastening bolt 302a, a stripping pressure plate 303, a stripping plate fixing seat 303a, a blanking hole 304, a bush 305, a buffer supporting part 306, an L-shaped tightening round steel 307, a limiting pressure plate 308, an upper supporting platform 310, an upper top plate 311, a punch die holder 312, a punch die head 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 punch hole 315, and a clamping step 316. Detailed implementation manners

[0031] For the purpose of making the objectives, technical solutions and advantages of the present invention more clearly understood, the following preferred embodiments are given with reference to the attached drawings for further detailed description of the present invention. However, it should be noted that many details listed in the specification are only for enabling the reader to have a thorough understanding of one or more aspects of the present invention, and these aspects of the present invention can also be implemented even without these specific details.

[0032] Combined with Figure 1 and Figure 2As shown in the figure, a punching processing device for a tower crane standard section according to the present invention includes an operating table 1, a feeding component 2, a punching component 3, and a discharging component 4. The feeding component 2, the punching component 3, and the discharging component 4 are sequentially arranged on the operating table 1 from left to right. The punching component 3 includes a support module 30 and a punching module 31 arranged directly above the support module 30. The support module 30 is fixed to the operating table 1 by bolts. The punching module 31 is sleeved on the operating table 1 through a support housing 32. Vertically fixed pressing components 33 are respectively arranged above the discharging end of the feeding component 2 and above the feeding end of the discharging component 4 on the support housing 32 (vertically fixed pressing components 33 are respectively arranged on the support housing 32 near the upper ends of the left and right sides of the support module 30). The vertically fixed pressing component 33 includes a pressing plate 34, a vertically lifting rod 35, and a guiding seat 36. The guiding seats 36 are fixed to the left and right side walls inside the support housing 32. The vertically lifting rod 35 is vertically arranged through the guiding seat 36. A pressing plate is horizontally arranged at the lower end of the vertically lifting rod 35. The vertically lifting rod 35 is fixed inside the support housing 32 through the guiding seat 36. A limit fixing component 20 that slides along the feeding direction is arranged on the feeding component 2. One end of the limit fixing component 20 is slidably connected to one side edge of the feeding component 2, and the other end of the limit fixing component 20 is bolted to the other side edge of the feeding component 2. The feeding component 2 includes a driving roller bracket 200 fixed to the operating table 1 and driving rollers 201. The driving rollers 201 are sequentially arranged at intervals along the feeding direction on both side edges of the driving roller bracket 200. The limit fixing component 20 includes a sliding seat 21, a clamping plate 22, and a positioning screw 23. A sliding support plate 202 extending to one side of the punching component 3 along the feeding direction of the driving roller 201 is arranged on one side edge of the driving roller bracket 200. A connecting and fixing seat 203 is arranged on the other side edge of the driving roller bracket 200 and near one side of the punching component 3. The sliding seat 21 is slidably connected to the sliding support plate 202. The fixed end of the clamping plate 22 is hinged to the sliding seat 21. A fixing hole 24 is arranged at the free end of the clamping plate 22. The fixing hole 24 at the free end of the clamping plate 22 is fixed to the connecting and fixing seat 203 by bolts. A positioning screw 23 extending along the direction of the punching component 3 is arranged on the outer wall of the center of the clamping plate 22. A push rod 25 is arranged on the outer wall of the free end of the clamping plate 22;After the pre-punched workpiece is conveyed to the support module 30 along the driving roller 201 of the feeding assembly 2, the pre-punched workpiece is fixed to the support module 30, and then the vertical tightening and pressing assembly 33 is tightly pressed on the left and right end surfaces of the pre-punched workpiece. During the downward movement of the vertical lifting rod 35 on the guide seat 36, the pre-punched workpiece is tightly pressed and fixed in the vertical direction through the pressing plate 34. The sliding seat 21 is pushed to slide on the sliding support plate 202 to adjust the relative position between the limit fixing assembly 20 and the pre-punched workpiece. Through the push rod 25, the clamping plate 22 is turned inside and outside on the driving roller bracket 200, and the clamping plate 22 is fixed on the driving roller bracket 200 or turned outwards. When the clamping plate 22 is fixed on the driving roller bracket 200, the positioning screw 23 is screwed, and the positioning screw 23 abuts against the side wall of the pre-punched workpiece, so that the positioning screw 23 fixes the pre-punched workpiece in the left and right lateral directions.

[0033] In the present invention, as Figure 3 , Figure 4 , Figure 5 and Figure 6 shown, the punching module 31 includes an upper support platform 310, an upper top plate 311, a punch die base 312, a punch die head 313 and a movable top plate 314. The upper support platform 310 is arranged at the inner top end of the support housing 32. Long holes 311a are arranged around the upper top plate 311. The lower surface of the upper support platform 310 is connected to the long holes 311a of the upper top plate 311 through the first fastening bolts 311b. Multiple rows of fixing through holes 311c along the length direction are arranged at the center of the upper top plate 311. The punch die base 312 is fixed to the lower surface of the upper top plate 311 from top to bottom through the second fastening bolts 311d passing through the fixing through holes 311c. A plurality of punch holes 315 with a large upper end and a small lower end are arranged through the punch die base 312 from top to bottom. A clamping step 316 is arranged in the middle and lower part of the punch hole 315. The movable top plate 314 and the punch die head 313 are respectively arranged in the punch hole 315 from top to bottom. Designing a plurality of punch holes 315 can accommodate the punch die heads 313, which can reduce the processing error of the holes, improve the efficiency at the same time, rationally utilize the stamping process, and complete the processing operation of forming six holes at one time. Moreover, the operation is convenient. The upper end of the punch die head 313 is clamped on the clamping step 316, and the lower end of the punch die head 313 vertically extends outwards from the lower end of the punch hole 315. The punch die head 313 is inserted into the punch die base 312 from the punch hole 315 and clamped on the clamping step 316. Then the movable top plate 314 is inserted into the punch hole 315 to limit the movement of the punch die head 313. Then the upper top plate 311 is fixed to the upper surface of the punch die base 312 through the second fastening bolts 311d to limit the movement of the movable top plate 314. Inserting the punch die head 313 into the punch die base 312 and then inserting the movable top plate 314 can quickly complete the installation of the punch die head 313, which is convenient for clamping and die removal and improves the efficiency.

[0034] In the present invention, in combination with Figure 1 , Figure 3 , Figure 4 and Figure 7 as shown, the support module 30 is arranged directly below the lower end of the punching die head 313. The support module 30 includes a lower support platform 300, a base 301, a bush die base 302 and a stripping pressure plate 303. The lower support platform 300 is arranged on the operating table 1. A plurality of blanking holes 304 corresponding to the punching die head 313 are penetrated through the lower support platform 300, the base 301, the bush die base 302 and the stripping 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 bush die base 302 is arranged on the upper surface of the base 301. The stripping pressure plate 303 is arranged above the bush die base 302. The stripping pressure plate 303 is respectively connected to the base 301 by screws. A bush 305 is arranged in the blanking hole 304 of the bush die base 302. A fourth fastening bolt 302a penetrating to the outside of the bush 305 is arranged on the side wall of the bush die base 302. The sizes of the left and right ends of the stripping pressure plate 303 are larger than the size of the bush die base 302. A buffer support member 306 is arranged between the edges of the left and right ends of the stripping pressure plate 303 and the base 301. Stripping plate fixing seats 303a are respectively fixed on the base 301 at the front and rear sides of the bush die base 302. The stripping pressure plate 303 is connected to the stripping plate fixing seats 303a by screws. The upper support platform 310 is installed on the output shaft of the hydraulic press and fixed by bolts. The upper top plate 311 is provided with a fixing through hole 311c of 14×φ12.5, which is connected and fixed to the hole of 14×φ12.5 opened by the punch die base 312 by bolts. The long hole 311a of 8×Ф22 opened by the upper top plate 311 is used for connecting and fixing with the upper support platform 310 and the hydraulic press. The fixing through hole 311c of 14×Ф12.5 is used for connecting with the punch die base 312. The punching die head 313 for punching is installed into the punch die base 312 and works when the upper support platform 310 is pushed by the hydraulic press. The punch die base 312 is provided with a 14×M12 hole for connecting and fixing with the upper top plate 311. The punch hole 315 of 6×Ф29 is used for installing the punching die head 313. The punching die head 313 is installed on the punch die base 312. The long hole 311a (notch) is for the installation of the movable upper top plate 311. The movable top plate 314 is installed into the punch hole 315 to limit the movement of the punching die head 313 during the punching process. The bush die base 302 is provided with a 6×Ф65 hole for installing the bush 305. The punch hole 315 punches the workpiece through the bush 305. The stripping pressure plate 303 is connected to the bush seat by bolts through the holes on the bush die base 302. The stripping pressure plate 303 is used to limit the movement of the workpiece when the bush die base 302 is demolded and rises. Increasing the stripping pressure plate 303 can improve the processing accuracy of punching.

[0035] On the front and rear edges of the base 301, there are provided L-shaped support steps 301a. On the base 301, there is an L-shaped pressing round steel 307 that fits with the L-shaped support steps 301a. On the surface of the L-shaped pressing round steel 307, there is a limit pressing plate 308, so that a placement groove is formed between the front and rear edges of the base 301 through the limit pressing plate 308. The punch sleeve die base 302 is placed in the placement groove formed by the limit pressing plate 308 in a limited way, preventing the punch sleeve die base 302 and the workpiece from moving during the stamping process or when rising during stamping demoulding. The L-shaped support steps 301a, the L-shaped pressing round steel 307 and the limit pressing plate 308 of the base 301 are fixedly connected by a third fastening bolt 300a that penetrates from bottom to top. One end of the L-shaped pressing round steel 307 is clamped on the lower support platform 300, and the other end of the L-shaped pressing round steel 307 is lapped on the L-shaped support steps 301a. The base 301 is fixed to the L-shaped pressing round steel 307 and the limit pressing plate 308 through the third fastening bolt 300a, thereby preventing the base 301 and the punch sleeve die base 302 from moving during the punching process.

[0036] According to another aspect of the present invention, in combination with Figures 1 to 7 , the present invention provides a punching processing method for a tower crane standard section punching processing device. The processing method includes the following steps:

[0037] Step 1: Determine the number of holes to be punched and the punching positions of the pre-punched workpieces, and then set corresponding intervals and numbers of punching dies 313 in the punch die base 312. Setting multiple punching dies 313 can reduce the errors generated during punching on one side and improve the production efficiency at the same time.

[0038] Step 2: Transfer the pre-punched workpieces along the feeding assembly 2 to the punch sleeve die base 302 of the support module 30, adjust the relative position between the punching position of the pre-punched workpieces and the blanking hole 304 on the punch sleeve die base 302, adjust the limit pressing plates 308 on the front and rear edges of the base 301 to closely adhere to the pre-punched workpieces, and fix the pre-punched workpieces to the punch sleeve die base 302 through bolts.

[0039] Step 3: Place a blanking pressing plate 303 on the pre-punched workpieces, set buffer support members 306 between the left and right ends of the blanking pressing plate 303 and the base 301, connect the blanking pressing plate 303 to the blanking plate fixing seat 303a using screws, and then fix the blanking pressing plate 303 to the pre-punched workpieces through bolts; then tightly press the vertical tightening pressing assembly 33 on the left and right end surfaces of the pre-punched workpieces. During the downward movement of the vertical lifting rod 35 on the guide seat 36, the pre-punched workpieces are tightly pressed and fixed in the vertical direction through the tightening plate 34, so that when the punching die 313 punches the workpieces and rises during demoulding, the upward movement of the workpieces can be effectively restricted, the processing accuracy of punching can be improved, and the stability and safety of the workpieces can be improved.

[0040] Step 4: Slide the pushing sliding seat 21 of the limiting and fixing component 20 on the driving roller bracket 200, so that the pushing sliding seat 21 slides on the sliding support plate 202, and make the buckling pressure plate 22 of the limiting and fixing component 20 approach the punching sleeve die base 302. After the buckling pressure plate 22 is fixed across the driving roller bracket 200, adjust the positioning screw 23 to extend towards the discharging component 4 side, so that the positioning screw 23 is closely attached to the side wall of the punched workpiece.

[0041] Step 5: Apply an impact force to the punching module 31. When the punch die base 312 descends for the first time, the punching die head 313 performs pre-punching positioning on the pre-punched workpiece, and accurately fixes the punching sleeve 305 in the blanking hole 304 through the fourth fastening bolt 302a. When the punch die base 312 descends again, make the punching die head 313 downwardly guide and rush towards the pre-punched position of the pre-punched workpiece for punching, so that the punching waste falls along the blanking hole 304 to the lower part of the operating table (1).

[0042] Step 6: After punching is completed, sequentially remove the screws on the limiting and fixing component 20 and the material discharging pressure plate 303, so that the buffer support member 306 pushes the material discharging pressure plate 303 upwards. After removing the material discharging pressure plate 303, take out the pre-punched workpiece from the punching sleeve die base 302 to complete the pre-punched workpiece. Place the next pre-punched workpiece and repeat Steps 1 to 5 again for punching operation. The punching processing equipment of the present invention can quickly complete the installation of the punching die head 313, is convenient for clamping and die removal, and the entire production and processing process is reasonably configured. Through the settings of the support module 30 and the punching module 31, the punching and blanking processes can be completed simultaneously during the running process of the punching die head 313 towards the punching sleeve die base 302, improving the production efficiency, reducing the production cost, and effectively ensuring the accuracy of the relative positions of the standard section connecting plate workpiece, the punching sleeve die base 302, and the punching sleeve 305, thereby improving the processing accuracy of the plate holes of the standard section connecting plate.

[0043] The above is only the preferred implementation mode of the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle of the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A punching processing equipment for tower crane standard sections, characterized in that: It includes an operation table (1), a loading component (2), a punching component (3) and a discharging component (4). The loading 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) includes a support module (30) and a punching module (31) arranged directly above the support module (30). The support module (30) is fixed to the operation table (1) by bolts. The punching module (31) is sleeved on the operation table (1) through a support housing (32). Vertical tightening and pressing components (33) are respectively arranged on the support housing (32) above the left and right ends of the support module (30) close to it. The punching module (31) includes an upper support platform (310), an upper top plate (311), a punch die base (312), a punch die head (313), and a movable top plate (314). The upper support platform (310) is arranged at the inner top end of the support housing (32). Long holes (311a) are arranged around the upper top plate (311). The lower surface of the upper support platform (310) is connected to the long holes (311a) of the upper top plate (311) through first fastening bolts (311b). Multiple rows of fixed through holes (311c) along the length direction are arranged at the center of the upper top plate (311). The punch die base (312) is fixed to the lower surface of the upper top plate (311) by second fastening bolts (311d) passing through the fixed through holes (311c) from top to bottom. A plurality of punch holes (315) with a large upper end and a small lower end are arranged through the punch die base (312) from top to bottom. A clamping step (316) is arranged in the middle and lower part of the punch hole (315). The movable top plate (314) and the punch die head (313) are respectively arranged in the punch hole (315) from top to bottom. The upper end of the punch die head (313) is clamped on the clamping step (316). The lower end of the punch die head (313) vertically extends outwards from the lower end of the punch hole (315). The support module (30) is arranged directly below the lower end of the punch die head (313). The support module (30) includes a lower support platform (300), a base (301), a punch sleeve die base (302), and a stripping pressure plate (303). The lower support platform (300) is arranged on the operating table (1). A plurality of blanking holes (304) corresponding to the punch die head (313) are arranged through the lower support platform (300), the base (301), the punch sleeve die base (302), and the stripping pressure plate (303). The base (301) is fixed to the upper surface of the lower support platform (300) through third fastening bolts (300a) passing through from bottom to top. The punch sleeve die base (302) is arranged on the upper surface of the base (301). The stripping pressure plate (303) is arranged above the punch sleeve die base (302). The stripping pressure plate (303) is connected to the base (301) through screws respectively. A punch sleeve (305) is arranged in the blanking hole (304) of the punch sleeve die base (302). A fourth fastening bolt (302a) penetrating through to the outside of the punch sleeve (305) is arranged on the side wall of the punch sleeve die base (302). The sizes of the left and right ends of the material discharging pressure plate (303) are larger than those of the punch sleeve die base (302), and buffer supports (306) are arranged between the edges of the left and right ends of the material discharging pressure plate (303) and the base (301); material discharging plate fixing seats (303a) are respectively fixed on the base (301) at the front and rear side edges of the punch sleeve die base (302), and the material discharging pressure plate (303) is connected to the material discharging plate fixing seats (303a) by screws; L-shaped support steps (301a) are arranged on the front and rear side edges of the base (301), L-shaped pressing round steel (307) that fits with the L-shaped support steps (301a) is arranged on the base (301), a limiting pressure plate (308) is arranged on the surface of the L-shaped pressing round steel (307), and the L-shaped support steps (301a), L-shaped pressing round steel (307) and limiting pressure plate (308) of the base (301) are fixedly connected by a third fastening bolt (300a) passing through from bottom to top; A limiting and fixing component (20) that slides along the material feeding direction is arranged on the material feeding component (2), one end of the limiting and fixing component (20) is slidably connected to one side edge of the material feeding component (2), and the other end of the limiting and fixing component (20) is connected to the other side edge of the material feeding component (2) by bolts; The material feeding component (2) includes a driving roller support (200) and driving rollers (201) fixed on the operating table (1), the driving rollers (201) are arranged at the two side edges of the driving roller support (200) at intervals in sequence along the conveying direction, the limiting and fixing component (20) includes a sliding seat (21), a clamping pressure plate (22) and a positioning screw rod (23), a sliding support plate (202) extending to one side of the punching component (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 component (3), the sliding seat (21) is slidably connected to the sliding support plate (202), the fixed end of the clamping pressure plate (22) is hinged to the sliding seat (21), a fixing hole (24) is arranged at the free end of the clamping pressure plate (22), the fixing hole (24) at the free end of the clamping pressure plate (22) is fixed to the connecting fixing seat (203) by bolts, and a positioning screw rod (23) extending along the direction of the punching component (3) is arranged on the outer wall of the center of the clamping pressure plate (22).

2. The punching processing equipment for the standard section of a tower crane according to claim 1, characterized in that: A push rod (25) is arranged on the outer wall of the free end of the clamping pressure plate (22).

3. A punching method using the punching processing equipment for a tower crane standard section according to any one of claims 1 or 2, characterized in that: It includes the following steps: Step 1, determine the number of holes to be punched and the punching positions of the pre-punched workpieces, and then set corresponding intervals and numbers of punching dies (313) in the punch die base (312); Step 2: Transfer the pre-punched workpiece along the feeding component (2) to the punch sleeve die base (302) of the support module (30). Adjust the relative position between the punching position of the pre-punched workpiece and the blanking hole (304) on the punch sleeve die base (302). Adjust the limit pressing plates (308) at the front and rear edges of the base (301) to closely adhere to the pre-punched workpiece, and fix the pre-punched workpiece on the punch sleeve die base (302) with bolts. Step 3: Place a stripping pressing plate (303) on the pre-punched workpiece. Set buffer support members (306) between the left and right ends of the stripping pressing plate (303) and the base (301). Connect the stripping pressing plate (303) to the stripping plate fixing seat (303a) with screws, and fixedly connect the stripping pressing plate (303) to the pre-punched workpiece with bolts. Then, tightly press the vertical tightening and pressing assembly (33) on the left and right end surfaces of the pre-punched workpiece. Step 4: Slide the limit fixing component (20) on the transmission roller support (200) and approach the punch sleeve die base (302). After fixing the clamping pressing plate (22) across the transmission roller support (200), adjust the positioning screw (23) to extend towards the discharging component (4) side, so that the positioning screw (23) closely adheres to the side wall of the punched workpiece. Step 5: Apply an impact force to the punching module (31). When the punch head die base (312) descends for the first time, the punching die head (313) performs pre-punching positioning on the pre-punched workpiece, and precisely fix the punch sleeve (305) in the blanking hole (304) with the fourth fastening bolt (302a). When the punch head die base (312) descends again, make the punching die head (313) downwardly guide and punch towards the pre-punched position of the pre-punched workpiece, so that the punching waste falls along the blanking hole (304) to the lower part of the operating table (1). Step 6: After punching is completed, sequentially remove the screws on the limit fixing component (20) and the stripping pressing plate (303), so that the buffer support member (306) pushes the stripping pressing plate (303) upward. After removing the stripping pressing plate (303), take out the pre-punched workpiece from the punch sleeve die base (302) to complete the pre-punched workpiece. Place the next pre-punched workpiece and repeat Steps 1 to 5 again.

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