A semi-automatic feeding platform device for a combined punching and shearing machine

Abstract

A kind of semi-automatic feeding platform device for combined punching and shearing machine equipment relates to the feeding technical field of punching and shearing machine equipment.To solve the problem that the existing feeding operation of punching and shearing machine equipment uses bridge crane to hoist feeding, utilizes hoisting mode to feed, cannot guarantee the levelness of profile, is prone to error, causes the low qualified rate of workpiece, and the operation is complex, there are safety hazards.The driving input hole on the plurality of groups of pushing unit is connected in series by transmission shaft, the middle part of transmission shaft is sleeved with driven gear, the upper surface of rack is provided with No.1 driving motor, the output shaft of No.1 driving motor is provided with driving gear, the driving gear is connected with driven gear by No.1 chain, so as to drive transmission shaft to rotate, and then the pushing trolley on the plurality of groups of pushing unit can be synchronously driven to move upward;The levelness of profile is guaranteed, processing error is avoided, and the qualified rate of workpiece is improved.The present application is suitable for the feeding operation of combined punching and shearing machine equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of feeding of punch shear equipment, in particular to a semi-automatic feeding platform device for combined punch shear equipment. BACKGROUND

[0002] Steel structural members are an important part of modern construction projects, and their quality and efficiency requirements are increasingly high. In the past, the production of steel structural members mainly relied on manual operation, which was low in efficiency and prone to quality problems. With the introduction of mechanization technology, steel structural member production equipment has been significantly improved and innovated. Combined punch shear machines are mainly used for plate shearing, profile shearing, punching and die shearing, but there are certain problems in use. In particular, in the feeding process, a workshop bridge crane is used to lift and load into the equipment feed inlet for processing, it is difficult to maintain the level of the profile during processing, which can easily cause dimensional errors, the operation process is complex, and the quality and size of the processed parts cannot be guaranteed, and there are great safety hazards.

[0003] In summary, the existing punch shear equipment feeding operation is carried out by using a workshop bridge crane for lifting and feeding. This lifting and feeding method cannot guarantee the levelness of the profile, is prone to errors, results in a low pass rate of workpieces, and is complex to operate, which poses a safety hazard. SUMMARY

[0004] The present application is to solve the problem that the existing punch shear equipment feeding operation is carried out by using a workshop bridge crane for lifting and feeding. This lifting and feeding method cannot guarantee the levelness of the profile, is prone to errors, results in a low pass rate of workpieces, and is complex to operate, which poses a safety hazard. A semi-automatic feeding platform device for combined punch shear equipment is proposed.

[0005] The semi-automatic feeding platform device for combined punch shear equipment of the present application has the specific structure comprising a rack 1, a transmission shaft 2, a first drive motor 3, a driving gear 4, a first chain 5, a driven gear 6, a track assembly 8, a platform lifting unit 9, a pushing unit 10, a linkage drive motor 11, a transmission gear 12, a driven shaft 13, a main gear 14, a U-shaped frame 15, a second chain 16, a linkage shaft 17, a coupling 18, and a second drive motor 19.

[0006] The upper surface of the rack 1 is uniformly provided with n pushing units 10 in the length direction, n is a positive integer, and the driving input holes on the n pushing units 10 are connected in series through a transmission shaft 2, the middle part of the transmission shaft 2 is sleeved with a driven gear 6, the central part of the upper surface of the rack 1 is provided with a first driving motor 3, the output shaft of the first driving motor 3 is provided with a driving gear 4, the driving gear 4 is connected with the driven gear 6 through a first chain 5, the lower surface of the rack 1 is respectively provided with a platform lifting unit 9 at both ends, and the bottom surface of each platform lifting unit 9 is slidably connected with a track assembly 8, the track assembly 8 is fixedly connected with the ground, a linkage shaft 17 is arranged between the driving shafts of the two platform lifting units 9, the end of the linkage shaft 17 is fixedly connected with the end of the driving shaft of the platform lifting unit 9 through a shaft coupling 18, and the outer end of the driving shaft of one of the platform lifting units 9 is fixedly connected with the output shaft end of a second driving motor 19, a U-shaped frame 15 is arranged at the middle part of the long edge of the lower surface of the rack 1, the closed end surface of the U-shaped frame 15 is fixedly connected with the lower surface of the rack 1, a linkage driving motor 11 is arranged on the back surface of the U-shaped frame 15, the output end of the linkage driving motor 11 is fixedly connected with a main gear 14 through the U-shaped frame 15, two driven shafts 13 are uniformly arranged in the length direction of the inside of the U-shaped frame 15, and the driven shafts 13 are rotatably connected with the U-shaped frame 15, the ends of the driven shafts 13 are fixedly connected with transmission gears 12 after penetrating through the U-shaped frame 15, and the two transmission gears 12, the main gear 14 and the power input ends of the two platform lifting units 9 are connected through a second chain 16;

[0007] Further, the upper surface of the rack 1 is provided with a layer of platform pavement 7;

[0008] Further, the number n of the pushing units 10 is 6≤n≤12;

[0009] Further, the pushing unit 10 comprises a tray column 10-1, a longitudinal wheel shaft 10-2, a connecting rod 10-3, a sliding block 10-4, a transverse wheel shaft 10-5, a longitudinal auxiliary wheel shaft 10-6, an ear plate 10-7, a ring positioning pin 10-8, an auxiliary connecting block 10-9, a first sprocket 10-10, a pushing chain 10-11, a pushing slide rail 10-12, a circular stop block 10-13, a pushing trolley 10-14, a second sprocket 10-15, a U-shaped pin shaft support seat 10-16 and a pin shaft 10-17;

[0010] The tray column 10-1 is provided with a sliding block 10-4, and the two sides of the sliding block 10-4 are respectively provided with an auxiliary connecting block 10-9. The front surface of each auxiliary connecting block 10-9 is provided with a through hole, the inside of the through hole is inserted with a transverse wheel shaft 10-5, the ends of the two transverse wheel shafts 10-5 are inserted and fixed through a connecting rod 10-3, the upper surface of the connecting rod 10-3 is processed with a through hole, the inside of the through hole is inserted with a longitudinal wheel shaft 10-2, the top of the front surface of the tray column 10-1 is respectively provided with a pair of ear plates 10-7, the upper surface of the ear plate 10-7 is processed with a through hole, and the through holes of each pair of ear plates 10-7 are inserted with a longitudinal auxiliary wheel shaft 10-6, the upper surface of each auxiliary connecting block 10-9 is processed with a threaded hole, the threaded hole is in communication with the through hole on the auxiliary connecting block 10-9, and the inside of the threaded hole is provided with an annular positioning pin 10-8, the top end of the tray column 10-1 is fixedly connected with one end of a pushing slide rail 10-12, the side surface of one end of the pushing slide rail 10-12 is processed with a U-shaped through hole, the U-shaped through hole is provided with a first sprocket 10-10, and the first sprocket 10-10 is inserted on the transmission shaft 2, the other end of the pushing slide rail 10-12 is fixedly connected with the opening end of a U-shaped pin shaft support seat 10-16, the inside of the U-shaped pin shaft support seat 10-16 is provided with a second sprocket 10-15, and the second sprocket 10-15 is rotatably connected with the U-shaped pin shaft support seat 10-16 through a pin shaft 10-17, the second sprocket 10-15 is connected with the first sprocket 10-10 through a pushing chain 10-11, the pushing chain 10-11 is provided with a pushing trolley 10-14, and the bottom end of the pushing trolley 10-14 is provided with a pair of rollers opposite to the two side surfaces, and the rollers are rotatably connected with the grooves on the side surface of the pushing slide rail 10-12, and the top surface of the pushing trolley 10-14 is provided with a circular stop block 10-13.

[0011] Further, the axis of the pushing slide rail 10-12 is arranged at an angle a with the axis of the tray column 10-1.

[0012] Further, a=45~120;

[0013] Further, the platform lifting unit 9 comprises a driving gear disc 9-1, a lead screw 9-2, a connecting sleeve 9-3, a first parallel cross group 9-4, a second parallel cross group 9-5 and a grooved wheel 9-6.

[0014] One end of the upper part of the first parallel cross group 9-4 is hingedly connected to one end of the upper part of the second parallel cross group 9-5 through a connecting sleeve 9-3, and one end of the lower part of the first parallel cross group 9-4 is hingedly connected to one end of the lower part of the second parallel cross group 9-5; a threaded hole is formed in the middle of the outer surface of the connecting sleeve 9-3, and a lead screw 9-2 is arranged inside the threaded hole; the end of the lead screw 9-2 is fixedly connected to the inner hole of the driving gear disc 9-1 after penetrating through the hinge rod of the other end of the upper part of the second parallel cross group 9-5; and each of the four driving ends of the first parallel cross group 9-4 is provided with a groove wheel 9-6 respectively.

[0015] Further, the four groove wheels 9-6 at the top of the first parallel cross group 9-4 are rollingly connected to the inside of the groove at the edge of the lower surface of the rack 1.

[0016] Further, the four groove wheels 9-6 at the bottom of the first parallel cross group 9-4 and the two groove wheels 9-6 at the bottom of the second parallel cross group 9-5 are rollingly connected to the upper surface of the track assembly 8.

[0017] Further, the two transmission gears 12, the main gear 14 and the driving gear disc 9-1 on the two platform lifting units 9 are connected by a No. 2 chain 16.

[0018] Further, in use, according to the model and size specification of the workpiece to be machined, the length of the extension of the transverse wheel shaft 10-5 on the pushing unit 10 is adjusted, and after adjustment, the transverse wheel shaft 10-5 is locked and fixed by using the annular positioning pin 10-8; and according to the cross-section height of the workpiece to be machined, the height of the longitudinal auxiliary wheel shaft 10-6 and the longitudinal wheel shaft 10-2 can also be adjusted to adapt to the cross-section height of the workpiece to be machined; at this time, the workpiece to be machined is placed on the pushing trolley 10-14 of the pushing unit 10, and according to the length of the workpiece to be machined, several groups of pushing units 10 can be selected for use; after placement, the No. 1 driving motor 3 is started, the driving input holes on the multiple groups of pushing units 10 are connected in series by the transmission shaft 2, the middle part of the transmission shaft 2 is sleeved with the driven gear 6, the upper surface of the rack 1 is provided with the No. 1 driving motor 3, the output shaft of the No. 1 driving motor 3 is provided with the driving gear 4, the driving gear 4 is connected with the driven gear 6 by the No. 1 chain 5, so as to drive the transmission shaft 2 to rotate, and the No. 1 sprocket 10-10 on the pushing unit 10 is inserted on the transmission shaft 2; at this time, the chains on the multiple groups of pushing units 10 can be synchronously driven to move, so as to drive the pushing trolley 10-14 to move upwards along the pushing slide rail 10-12, and after the top end of the pushing slide rail 10-12, the workpiece to be machined falls into the chute composed of the two transverse wheel shafts 10-5, the longitudinal auxiliary wheel shaft 10-6, the longitudinal wheel shaft 10-2 and the connecting rod 10-3.

[0019] According to the height of the feeding opening of the punching and shearing machine device, the platform lifting unit 9 at the bottom of the rack 1 is adjusted, the linkage driving motor 11 is started, a U-shaped frame 15 is arranged at the middle of the lower surface of the rack 1 along the long edge, the closed end surface of the U-shaped frame 15 is fixedly connected with the lower surface of the rack 1, the back surface of the U-shaped frame 15 is provided with the linkage driving motor 11, the output end of the linkage driving motor 11 is fixedly connected with the main gear 14 through the U-shaped frame 15, two driven shafts 13 are arranged in the U-shaped frame 15 along the length direction, the driven shafts 13 are rotatably connected with the U-shaped frame 15, the end portion of each driven shaft 13 is fixedly connected with the transmission gear 12 after penetrating through the U-shaped frame 15, the two transmission gears 12, the main gear 14 and the power input ends of the two platform lifting units 9 are connected through a No. 2 chain 16, and the height of the rack 1 can be adjusted through the transmission mechanism.

[0020] After the above operation is completed, the workpiece to be processed placed in the chute is completely aligned with the corresponding profile feeding opening of the combined punching and shearing machine device, the operator moves the workpiece to be processed on the chute mechanism according to the discharging size, and the processing is completed; the above operation is repeated, and the plurality of workpieces to be processed can be continuously fed to the feeding opening of the combined punching and shearing machine device; the above feeding device can effectively ensure the horizontal degree of the profile, avoid processing errors, improve the qualified rate of the workpiece, and is simple to operate, which greatly improves the safety.

[0021] Compared with the prior art, the present application has the following beneficial effects:

[0022] The present application overcomes the shortcomings of the prior art, places the workpiece to be processed on the pushing trolley of the pushing unit, according to the length of the workpiece to be processed, a plurality of groups of pushing units can be selected for use, after placement is completed, a first driving motor is started, the driving input holes on the plurality of groups of pushing units are connected in series through a transmission shaft, a driven gear is sleeved on the middle part of the transmission shaft, a first driving motor is arranged on the upper surface of the rack, a driving gear is arranged on the output shaft of the first driving motor, the driving gear is connected with the driven gear through a first chain, so that the transmission shaft is driven to rotate, and a first sprocket on the pushing unit is inserted on the transmission shaft, at this time, the chains on the plurality of groups of pushing units can be synchronously driven to move, so that the pushing trolley moves upwards along the pushing slide rail, until the top end of the pushing slide rail, and then the workpiece to be processed falls into the chute composed of two transverse shafts, a longitudinal auxiliary shaft, a longitudinal shaft and a connecting rod, the chute with the structure of bearing sleeve is adopted, so that the resistance is greatly reduced, and the feeding of the workpiece to be processed is facilitated; this mode can effectively ensure the levelness of the profile, avoid processing errors, and improve the qualified rate of the workpiece;

[0023] According to the height of the feeding opening of the punching and shearing machine equipment, the platform lifting unit at the bottom of the rack is adjusted, a linkage driving motor is started, a U-shaped frame is arranged on the lower surface of the rack along the long edge, the closed end surface of the U-shaped frame is fixedly connected with the lower surface of the rack, the back surface of the U-shaped frame is provided with a linkage driving motor, the output end of the linkage driving motor is fixedly connected with the main gear through the U-shaped frame, two driven shafts are uniformly arranged in the U-shaped frame along the length direction, and the driven shafts are rotatably connected with the U-shaped frame, and the end portions of each driven shaft are fixedly connected with the transmission gears after penetrating through the U-shaped frame, the two transmission gears, the main gear and the power input ends of the two platform lifting units are connected through a second chain, and through the transmission mechanism, the height of the two platform lifting units at the bottom of the rack can be simultaneously and synchronously adjusted, the stability of the platform lifting is ensured, so that the height of the rack can be adjusted, and the positive rotation or reverse rotation of the second driving motor can also be controlled, so that the device moves forward and backward on the track assembly, and then the output end of the feeding structure with this structure is aligned with the feeding opening of the combined punching and shearing machine equipment, which is convenient to operate and greatly improves the safety of the feeding operation.

[0024] The driving mode of the feeding platform device of the present application adopts a sprocket transmission, which is suitable for cold regions and solves the problem that hydraulic driving cannot be used in winter in the north. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a top view of a semi-automatic feeding platform device for a combined punching and shearing machine equipment according to the present application;

[0026] Figure 2It is a three-dimensional structure schematic view of a semi-automatic feeding platform device for a combined punching and shearing machine equipment according to the present application;

[0027] Figure 3 It is a side view of a semi-automatic feeding platform device for a combined punching and shearing machine equipment according to the present application;

[0028] Figure 4 It is a front view of a semi-automatic feeding platform device for a combined punching and shearing machine equipment according to the present application;

[0029] Figure 5 It is a three-dimensional structure schematic view of an adjusting pushing unit in a semi-automatic feeding platform device for a combined punching and shearing machine equipment according to the present application;

[0030] Figure 6 It is a three-dimensional structure schematic view of a platform lifting unit in a semi-automatic feeding platform device for a combined punching and shearing machine equipment according to the present application. DETAILED DESCRIPTION

[0031] Specific implementation one: combined Figures 1 to 4 In this embodiment, a semi-automatic feeding platform device for a combined punching and shearing machine equipment is described, which includes a rack 1, a transmission shaft 2, a first driving motor 3, a driving gear 4, a first chain 5, a driven gear 6, a track assembly 8, a platform lifting unit 9, a pushing unit 10, a linkage driving motor 11, a transmission gear 12, a driven shaft 13, a main gear 14, a U-shaped frame 15, a second chain 16, a linkage shaft 17, a coupling 18, and a second driving motor 19.

[0032] The upper surface of the frame 1 is provided with n pushing units 10 in the middle part along the length direction, n is a positive integer, and the driving input holes on the n pushing units 10 are connected in series through a transmission shaft 2, the middle part of the transmission shaft 2 is sleeved with a driven gear 6, the central part of the upper surface of the frame 1 is provided with a first driving motor 3, the output shaft of the first driving motor 3 is provided with a driving gear 4, the driving gear 4 is connected with the driven gear 6 through a first chain 5, the lower surface of the frame 1 is provided with a platform lifting unit 9 at both ends respectively, and the bottom surface of each platform lifting unit 9 is slidingly connected with a track assembly 8, the track assembly 8 is fixedly connected with the ground, the driving shafts of the two platform lifting units 9 are provided with a linkage shaft 17, the end part of the linkage shaft 17 is fixedly connected with the end part of the driving shaft of the platform lifting unit 9 through a coupling 18, the outer side end of the driving shaft of one of the platform lifting units 9 is fixedly connected with the output shaft end of a second driving motor 19, the middle part of the long edge of the lower surface of the frame 1 is provided with a U-shaped frame 15, and the closed end surface of the U-shaped frame 15 is fixedly connected with the lower surface of the frame 1, the back surface of the U-shaped frame 15 is provided with a linkage driving motor 11, the output end of the linkage driving motor 11 is fixedly connected with a main gear 14 through the U-shaped frame 15, the inside of the U-shaped frame 15 is provided with two driven shafts 13 along the length direction, and the driven shafts 13 are rotationally connected with the U-shaped frame 15, the end part of each driven shaft 13 is fixedly connected with a transmission gear 12 after penetrating through the U-shaped frame 15, and the two transmission gears 12, the main gear 14 and the power input ends of the two platform lifting units 9 are connected through a second chain 16.

[0033] In use, the length of the transverse wheel shaft 10-5 of the pushing unit 10 is adjusted according to the model and size of the workpiece to be processed, and then the transverse wheel shaft 10-5 is locked and fixed by using the annular positioning pin 10-8. The height of the longitudinal auxiliary wheel shaft 10-6 and the longitudinal wheel shaft 10-2 can also be adjusted according to the cross-sectional height of the workpiece to be processed, so as to adapt to the cross-sectional height of the workpiece to be processed. At this time, the workpiece to be processed is placed on the pushing trolley 10-14 of the pushing unit 10. According to the length of the workpiece to be processed, several groups of pushing units 10 can be selected for use. After the placement is completed, the first driving motor 3 is started. The driving input holes on the multiple groups of pushing units 10 are connected in series through the transmission shaft 2. The middle part of the transmission shaft 2 is sleeved with a driven gear 6. The upper surface of the rack 1 is provided with a first driving motor 3. The output shaft of the first driving motor 3 is provided with a driving gear 4. The driving gear 4 is connected with the driven gear 6 through a first chain 5, so as to drive the transmission shaft 2 to rotate. The first sprocket 10-10 of the pushing unit 10 is inserted into the transmission shaft 2. At this time, the chains of multiple groups of pushing units 10 can be driven synchronously. In turn, the pushing trolley 10-14 is driven to move upward along the pushing slide rail 10-12. After the top end of the pushing slide rail 10-12, the workpiece to be processed falls into the chute composed of the two transverse wheel shafts 10-5, the longitudinal auxiliary wheel shaft 10-6, the longitudinal wheel shaft 10-2 and the connecting rod 10-3.

[0034] According to the height of the feeding port of the punching and shearing machine, the platform lifting unit 9 at the bottom of the rack 1 is adjusted. The linkage driving motor 11 is started. A U-shaped frame 15 is arranged at the middle of the lower surface of the rack 1 along the long edge. The closed end surface of the U-shaped frame 15 is fixedly connected with the lower surface of the rack 1. The back surface of the U-shaped frame 15 is provided with a linkage driving motor 11. The output end of the linkage driving motor 11 penetrates through the U-shaped frame 15 and is fixedly connected with the main gear 14. Two driven shafts 13 are uniformly arranged in the U-shaped frame 15 along the length direction and are rotatably connected with the U-shaped frame 15. The end part of each driven shaft 13 penetrates through the U-shaped frame 15 and is fixedly connected with the transmission gear 12. The two transmission gears 12, the main gear 14 and the power input ends of the two platform lifting units 9 are connected through a second chain 16. Through this transmission mechanism, the two platform lifting units 9 at the bottom of the rack 1 can be adjusted synchronously, so that the height of the rack 1 can be adjusted. The driving shafts of the two platform lifting units 9 are provided with a linkage shaft 17. The end part of the linkage shaft 17 is fixedly connected with the end part of the driving shaft of the platform lifting unit 9 through a coupling 18. The outer end of the driving shaft of one of the platform lifting units 9 is fixedly connected with the output shaft end of the second driving motor 19. By starting the forward rotation or reverse rotation of the second driving motor 19, the device can move forward and backward on the track assembly 8.

[0035] After the above operation is completed, the workpiece to be processed placed in the chute is completely aligned with the corresponding profile feed inlet of the combined punching and shearing machine device, and the operator moves the workpiece to be processed on the chute mechanism according to the unloading size to complete the processing; the above operation can be repeated to continuously feed multiple workpieces to be processed to the feed inlet of the combined punching and shearing machine device; the use of such a feeding device can effectively ensure the levelness of the profile, avoid processing errors, thereby improving the workpiece qualification rate, and the operation is simple, greatly improving the safety.

[0036] Specific implementation method two: combined Figures 1 to 4 This embodiment is a further limitation of the feeding platform device described in specific implementation method one. The semi-automatic feeding platform device for the combined punching and shearing machine device has a platform pavement 7 on the upper surface of the rack 1.

[0037] In this specific embodiment, the upper surface of the rack 1 is provided with a layer of platform pavement 7, and the platform pavement 7 is made of anti-skid steel plate to facilitate the operator to walk on the platform and prevent slipping.

[0038] Specific implementation method three: combined Figures 1 to 4 This embodiment is a further limitation of the feeding platform device described in specific implementation method one. The semi-automatic feeding platform device for the combined punching and shearing machine device has a number n of pusher units 10, and 6≤n≤12.

[0039] In this specific embodiment, the number of pusher units 10 can be selected according to the length of the workpiece to be processed.

[0040] Specific implementation method four: combined Figure 5 This embodiment is a further limitation of the feeding platform device described in specific implementation method three. The semi-automatic feeding platform device for the combined punching and shearing machine device has a pusher unit 10 including a tray stand column 10-1, a longitudinal wheel shaft 10-2, a connecting rod 10-3, a sliding block 10-4, a transverse wheel shaft 10-5, a longitudinal auxiliary wheel shaft 10-6, an ear plate 10-7, a ring positioning pin 10-8, an auxiliary connecting block 10-9, a first sprocket 10-10, a pusher chain 10-11, a pusher slide rail 10-12, a circular stop block 10-13, a pusher trolley 10-14, a second sprocket 10-15, a U-shaped pin shaft support seat 10-16, and a pin shaft 10-17.

[0041] The tray column 10-1 is provided with a sliding block 10-4, and the two sides of the sliding block 10-4 are respectively provided with an auxiliary connecting block 10-9. The front surface of each auxiliary connecting block 10-9 is provided with a through hole, and a transverse wheel shaft 10-5 is inserted in the through hole. The ends of the two transverse wheel shafts 10-5 are fixedly connected through a connecting rod 10-3. The upper surface of the connecting rod 10-3 is provided with a through hole, and a longitudinal wheel shaft 10-2 is inserted in the through hole. The top of the front surface of the tray column 10-1 is provided with a pair of ear plates 10-7 at both ends. The upper surface of the ear plate 10-7 is provided with a through hole, and a longitudinal auxiliary wheel shaft 10-6 is inserted between the through holes of each pair of ear plates 10-7. The upper surface of each auxiliary connecting block 10-9 is provided with a threaded hole in communication with the through hole in the auxiliary connecting block 10-9, and an annular positioning pin 10-8 is arranged in the threaded hole. The top end of the tray column 10-1 is fixedly connected with one end of a pushing slide rail 10-12. The side surface of the other end of the pushing slide rail 10-12 is provided with a U-shaped through hole, and a first sprocket 10-10 is arranged in the U-shaped through hole. The first sprocket 10-10 is inserted on the transmission shaft 2. The other end of the pushing slide rail 10-12 is fixedly connected with an opening end of a U-shaped pin shaft support seat 10-16. A second sprocket 10-15 is arranged in the U-shaped pin shaft support seat 10-16, and the second sprocket 10-15 is rotatably connected with the U-shaped pin shaft support seat 10-16 through a pin shaft 10-17. The second sprocket 10-15 is connected with the first sprocket 10-10 through a pushing chain 10-11. The pushing chain 10-11 is provided with a pushing trolley 10-14, and a pair of rollers are arranged in the bottom end of the pushing trolley 10-14 opposite to the two side surfaces. The rollers are rotatably connected with the grooves in the side surface of the pushing slide rail 10-12. A circular stop block 10-13 is arranged in the middle of the top surface of the pushing trolley 10-14.

[0042] Specific embodiment five: in combination with Figure 3 and Figure 5 This embodiment is a further limitation of the feeding platform device described in specific embodiment four. The axis of the pushing slide rail 10-12 is arranged at an angle a with the axis of the tray column 10-1.

[0043] Specific embodiment six: in combination with Figure 3 and Figure 5 This embodiment is a further limitation of the feeding platform device described in specific embodiment five. In this embodiment, a=45~120.

[0044] Specific embodiment seven: in combination with Figure 6The embodiment is a further limitation of the feeding platform device of embodiment one. The semi-automatic feeding platform device for the combined punching and shearing machine device comprises a platform lifting unit 9, a driving gear plate 9-1, a lead screw 9-2, a connecting sleeve 9-3, a first parallel cross group 9-4, a second parallel cross group 9-5, and a groove wheel 9-6.

[0045] One end of the upper part of the first parallel cross group 9-4 is hingedly connected to one end of the upper part of the second parallel cross group 9-5 through the connecting sleeve 9-3, and one end of the lower part of the first parallel cross group 9-4 is hingedly connected to one end of the lower part of the second parallel cross group 9-5. A threaded hole is formed in the middle of the outer surface of the connecting sleeve 9-3, and the inside of the threaded hole is provided with the lead screw 9-2. The end of the lead screw 9-2 passes through the hinge rod of the other end of the upper part of the second parallel cross group 9-5 and is fixedly connected to the inner hole of the driving gear plate 9-1. The four driving ends of the first parallel cross group 9-4 and the two driving ends of the other end of the bottom of the second parallel cross group 9-5 are respectively provided with a groove wheel 9-6.

[0046] Specific embodiment eight: Figure 2 and Figure 6 The embodiment is a further limitation of the feeding platform device of embodiment seven. The semi-automatic feeding platform device for the combined punching and shearing machine device comprises a first parallel cross group 9-4, and four groove wheels 9-6 at the top of the first parallel cross group 9-4 are rollingly connected to the inside of the groove at the edge of the lower surface of the rack 1.

[0047] In this embodiment, the four groove wheels 9-6 at the top of the first parallel cross group 9-4 are rollingly connected to the inside of the groove at the edge of the lower surface of the rack 1, which reduces friction and effectively prolongs the service life of the device.

[0048] Specific embodiment nine: Figure 2 and Figure 6 The embodiment is a further limitation of the feeding platform device of embodiment seven. The semi-automatic feeding platform device for the combined punching and shearing machine device comprises a first parallel cross group 9-4, and four groove wheels 9-6 at the top of the first parallel cross group 9-4 are rollingly connected to the inside of the groove at the edge of the lower surface of the rack 1.

[0049] In this embodiment, the four groove wheels 9-6 at the top of the first parallel cross group 9-4 are rollingly connected to the inside of the groove at the edge of the lower surface of the rack 1, which reduces friction and effectively prolongs the service life of the device.

[0050] Specific embodiment ten:Figure 2 and Figure 6 The embodiment is a further limitation of the feeding platform device described in embodiment seven. The two transmission gears 12, the main gear 14 and the drive gear disc 9-1 on the two platform lifting units 9 are connected by a second chain 16.

[0051] Working principle

[0052] In use, according to the model and size specification of the workpiece to be processed, the extension length of the transverse axle 10-5 on the pushing unit 10 is adjusted, and after adjustment, the transverse axle 10-5 is locked and fixed by using the annular positioning pin 10-8. According to the cross-section height of the workpiece to be processed, the height of the longitudinal auxiliary axle 10-6 and the longitudinal axle 10-2 is adjusted to adapt to the cross-section height of the workpiece to be processed. At this time, the workpiece to be processed is placed on the pushing trolley 10-14 on the pushing unit 10. According to the length of the workpiece to be processed, several groups of pushing units 10 can be selected for use. After placement is completed, the first driving motor 3 is started. The driving input hole on the multiple pushing units 10 is connected in series through the transmission shaft 2. The middle part of the transmission shaft 2 is sleeved with a driven gear 6. The upper surface of the rack 1 is provided with a first driving motor 3. The output shaft of the first driving motor 3 is provided with a driving gear 4. The driving gear 4 is connected with the driven gear 6 through a first chain 5, so as to drive the transmission shaft 2 to rotate. The first sprocket 10-10 on the pushing unit 10 is inserted into the transmission shaft 2. At this time, the chains on the multiple pushing units 10 can be synchronously driven to move, so as to drive the pushing trolley 10-14 to move upwards along the pushing slide rail 10-12. After the top end of the pushing slide rail 10-12, the workpiece to be processed falls into the chute composed of the two transverse axles 10-5, the longitudinal auxiliary axle 10-6, the longitudinal axle 10-2 and the connecting rod 10-3.

[0053] According to the height of the feeding opening of the punching and shearing machine, the platform lifting unit 9 at the bottom of the rack 1 is adjusted, the linkage driving motor 11 is started, a U-shaped frame 15 is arranged at the middle of the lower surface of the rack 1 along the long edge, the closed end surface of the U-shaped frame 15 is fixedly connected with the lower surface of the rack 1, the back surface of the U-shaped frame 15 is provided with the linkage driving motor 11, the output end of the linkage driving motor 11 is fixedly connected with the main gear 14 through the U-shaped frame 15, two driven shafts 13 are uniformly arranged in the U-shaped frame 15 along the length direction, the driven shafts 13 are rotatably connected with the U-shaped frame 15, the end portions of each driven shaft 13 are fixedly connected with the transmission gear 12 after penetrating through the U-shaped frame 15, the two transmission gears 12, the main gear 14 and the power input ends of the two platform lifting units 9 are connected through a No. 2 chain 16, the transmission mechanism can realize the synchronous adjustment of the two platform lifting units 9 at the bottom of the rack 1, so that the height of the rack 1 can be adjusted; the linkage shaft 17 is arranged between the driving shafts of the two platform lifting units 9, the end portions of the linkage shaft 17 are fixedly connected with the end portions of the driving shafts of the platform lifting units 9 through the shaft coupling 18, the outer end of the driving shaft of one of the platform lifting units 9 is fixedly connected with the output shaft end of the No. 2 driving motor 19, the forward and backward movement of the device on the track assembly 8 is realized by starting the forward rotation or reverse rotation of the No. 2 driving motor 19.

[0054] After the above operation is completed, the workpiece placed in the chute is completely aligned with the corresponding profile feeding opening of the combined punching and shearing machine, the operator moves the workpiece on the chute mechanism according to the discharging size, and the machining is completed; the above operation can be repeated to continuously feed multiple workpieces to the feeding opening of the combined punching and shearing machine; the above feeding device can effectively ensure the horizontal degree of the profile, avoid machining errors, improve the qualified rate of the workpiece, and is simple to operate, greatly improving the safety.

Claims

1. A semi-automatic loading platform device for a combined punching and shearing machine apparatus, characterized by: It includes rack (1), transmission shaft (2), No. 1 drive motor (3), driving gear (4), No. 1 chain (5), driven gear (6), track assembly (8), platform lifting unit (9), pushing unit (10), linkage drive motor (11), transmission gear (12), driven shaft (13), main gear (14), U-shaped frame (15), No. 2 chain (16), linkage shaft (17), shaft coupling (18) and No. 2 drive motor (19); The upper surface of the rack (1) is uniformly provided with n pushing units (10) along the length direction in the middle, n is a positive integer, and the driving input holes on the n pushing units (10) are connected in series through the transmission shaft (2), the middle of the transmission shaft (2) is sleeved with the driven gear (6), the upper surface of the rack (1) is provided with the No. 1 drive motor (3) at the center, the output shaft of the No. 1 drive motor (3) is provided with the driving gear (4), the driving gear (4) is connected with the driven gear (6) through the No. 1 chain (5), the lower surface of the rack (1) is provided with one platform lifting unit (9) at each end, and the bottom surface of each platform lifting unit (9) is slidably connected with the track assembly (8), the track assembly (8) is fixedly connected with the ground, the linkage shaft (17) is arranged between the driving shafts of the two platform lifting units (9), the end of the linkage shaft (17) is fixedly connected with the end of the driving shaft of the platform lifting unit (9) through the shaft coupling (18), and the outer side end of the driving shaft of one of the platform lifting units (9) is fixedly connected with the output shaft end of the No. 2 drive motor (19). A U-shaped frame (15) is arranged at the middle of the long edge of the lower surface of the rack (1), the closed end surface of the U-shaped frame (15) is fixedly connected with the lower surface of the rack (1), the back surface of the U-shaped frame (15) is provided with the linkage drive motor (11), the output end of the linkage drive motor (11) penetrates through the U-shaped frame (15) and is fixedly connected with the main gear (14), two driven shafts (13) are uniformly arranged in the U-shaped frame (15) along the length direction, and the driven shafts (13) are rotatably connected with the U-shaped frame (15). The end of each driven shaft (13) penetrates through the U-shaped frame (15) and is fixedly connected with the transmission gear (12), and the power input ends of the two transmission gears (12), the main gear (14) and the two platform lifting units (9) are connected through the No. 2 chain (16); The pushing unit (10) comprises a tray stand (10-1), a longitudinal wheel shaft (10-2), a connecting rod (10-3), a sliding block (10-4), a transverse wheel shaft (10-5), a longitudinal auxiliary wheel shaft (10-6), an ear plate (10-7), a ring-shaped positioning pin (10-8), an auxiliary connecting block (10-9), a No. 1 chain wheel (10-10), a pushing chain (10-11), a pushing slide rail (10-12), a circular stop block (10-13), a pushing trolley (10-14), a No. 2 chain wheel (10-15), a U-shaped pin shaft support seat (10-16) and a pin shaft (10-17). The tray column (10-1) is provided with a sliding block (10-4), the two sides of the sliding block (10-4) are respectively provided with an auxiliary connecting block (10-9), the front surface of each auxiliary connecting block (10-9) is provided with a through hole, a transverse wheel shaft (10-5) is inserted in the through hole, the ends of the two transverse wheel shafts (10-5) are fixedly connected through a connecting rod (10-3), a longitudinal wheel shaft (10-2) is inserted in the through hole in the middle of the upper surface of the connecting rod (10-3), the top of the front surface of the tray column (10-1) is provided with a pair of ear plates (10-7) at both ends, a through hole is formed in the upper surface of the ear plate (10-7), and a longitudinal auxiliary wheel shaft (10-6) is inserted between the through holes of each pair of ear plates (10-7), a threaded hole is formed in the upper surface of each auxiliary connecting block (10-9), the threaded hole is in communication with the through hole in the auxiliary connecting block (10-9), and an annular positioning pin (10-8) is arranged in the threaded hole, the top end of the tray column (10-1) is fixedly connected with one end of a pushing slide rail (10-12), a U-shaped through hole is formed in the side surface of the other end of the pushing slide rail (10-12), a first sprocket (10-10) is arranged in the U-shaped through hole, the first sprocket (10-10) is inserted on a transmission shaft (2), the other end of the pushing slide rail (10-12) is fixedly connected with the open end of a U-shaped pin shaft support seat (10-16), a second sprocket (10-15) is arranged in the U-shaped pin shaft support seat (10-16), the second sprocket (10-15) is rotatably connected with the U-shaped pin shaft support seat (10-16) through a pin shaft (10-17), the second sprocket (10-15) is connected with the first sprocket (10-10) through a pushing chain (10-11), a pushing trolley (10-14) is arranged on the pushing chain (10-11), a pair of rollers are arranged in the bottom end of the pushing trolley (10-14) opposite to the two side surfaces, the rollers are rotatably connected with the grooves in the side surface of the pushing slide rail (10-12), and a circular stop block (10-13) is arranged in the middle of the top surface of the pushing trolley (10-14).

2. A semi-automatic loading platform device for a combined punching and shearing machine apparatus as claimed in claim 1, characterized in that: The upper surface of the rack (1) is provided with a layer of platform pavement (7).

3. A semi-automatic loading platform device for a combined punching and shearing machine apparatus as claimed in claim 1, characterized in that: The number n of the pushing unit (10) is 6≤n≤12.

4. A semi-automatic loading platform device for a combined punching and shearing machine apparatus as claimed in claim 1, characterized in that: The axis of the pushing slide rail (10-12) is arranged at an angle a with the axis of the tray column (10-1).

5. A semi-automatic loading platform device for a combined punching and shearing machine apparatus as claimed in claim 4, characterized in that: The a is 45-120.

6. A semi-automatic loading platform device for a combined punching and shearing machine apparatus as claimed in claim 1, characterized in that: The platform lifting unit (9) comprises a driving gear disc (9-1), a lead screw (9-2), a connecting sleeve (9-3), a first parallel cross group (9-4), a second parallel cross group (9-5) and a groove wheel (9-6). One end of the first parallel cross group (9-4) is hingedly connected to one end of the second parallel cross group (9-4) through a connecting sleeve (9-3), and the lower part of the first parallel cross group (9-4) is hingedly connected to the lower part of the second parallel cross group (9-5) through a connecting rod, a threaded hole is formed in the middle of the outer surface of the connecting sleeve (9-3), a lead screw (9-2) is arranged inside the threaded hole, the end of the lead screw (9-2) is fixedly connected to the inner hole of the driving gear disc (9-1) after penetrating through the hinge rod of the other end of the second parallel cross group (9-5), and the four driving ends of the first parallel cross group (9-4) and the two driving ends of the other end of the second parallel cross group (9-5) are respectively provided with a groove wheel (9-6).

7. A semi-automatic loading platform device for a combined punching and shearing machine apparatus as claimed in claim 6, characterized in that: The four groove wheels (9-6) on the top of the first parallel cross group (9-4) are rollingly connected to the inside of the groove at the edge of the lower surface of the rack (1).

8. A semi-automatic loading platform device for a combined punching and shearing machine apparatus as claimed in claim 7, characterized in that: The four groove wheels (9-6) on the bottom of the first parallel cross group (9-4) and the two groove wheels (9-6) on the bottom of the second parallel cross group (9-5) are rollingly connected to the upper surface of the track assembly (8).

9. A semi-automatic loading platform device for a combined punching and shearing machine apparatus as claimed in claim 7, characterized in that: The two transmission gears (12), the main gear (14) and the driving gear disc (9-1) on the two platform lifting units (9) are connected by a No.2 chain (16).

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