Machining and feeding device for variable-cross-section longitudinal beam with straight side on single side

Abstract

A machining and feeding device for a variable-cross-section longitudinal beam with a straight side on one side comprises a rack assembly and a feeding assembly. The machine frame assembly comprises a machine frame, and two rails are laid on the machine frame side by side. Compared with the prior art, the machining and feeding device for the variable cross-section longitudinal beam with the straight side on the single side has the advantages that the feeding clamp can properly adjust the transverse position of the longitudinal beam according to the change of the width of the variable cross section in the longitudinal feeding process; the position of the feeding clamp can be adjusted up and down and left and right according to the position of the longitudinal beam, the variable cross-section longitudinal beam with the single side being a straight edge can be accurately conveyed to a designated position, after feeding is in place, the punching positioning device only needs to fix the position of the longitudinal beam, and an existing punching machine can accurately conduct punching machining on a web plate or a wing plate of the longitudinal beam.

Description

Technical Field

[0001] The utility model relates to the technical field of longitudinal beam feeding and processing, in particular to a processing and feeding device for a longitudinal beam with a variable cross-section and a straight edge on one side. Background Art

[0002] Most of the longitudinal beams of light truck chassis are variable-section longitudinal beams, and their processing technology mostly adopts plate punching + press forming. When punching, the longitudinal beam needs to be fed and positioned, but the existing feeding devices are designed for longitudinal beams with equal cross-sections and are not suitable for feeding longitudinal beams with variable cross-sections. Moreover, during the longitudinal beam processing, the wing plates on both sides of the longitudinal beam need to be punched. For the longitudinal beam with variable cross-section and straight edges on one side, since the longitudinal beam itself is very long and the cross-section of the longitudinal beam is variable, the existing feeding device cannot achieve accurate feeding of the longitudinal beam during feeding, thereby affecting the punching accuracy of the longitudinal beam. Utility Model Content

[0003] In order to solve the problem that the existing feeding device is not suitable for feeding variable-section longitudinal beams and cannot meet the feeding position accuracy, the purpose of the utility model is to provide a variable-section longitudinal beam processing feeding device with a straight edge on one side, which can not only accurately feed along the length direction of the longitudinal beam, but also adjust the position of the longitudinal beam laterally according to the width of the longitudinal beam cross-section, thereby achieving accurate feeding.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a feeding device for processing a variable-section longitudinal beam with a straight edge on one side, comprising a frame assembly and a feeding assembly; the frame assembly comprises a frame, two rails are laid side by side on the frame, each of the rails is equipped with a rail slider, the rail slider is connected to the bottom of the feeding assembly, a frame inner cavity is provided in the frame, a feeding power mechanism is horizontally installed in the inner cavity of the frame, the feeding power mechanism is connected to the feeding assembly, and drives the feeding assembly to reciprocate along the track; the feeding assembly comprises a mounting seat, an adjustment mechanism and a feeding clamp; the mounting seat has a vertical plate, a side plate and a bottom plate, the bottom plate is connected to the rail slider, a vertical cylinder is installed on the mounting seat, and a vertical buffer spring is installed on the piston rod of the vertical cylinder; the adjustment mechanism has a connecting plate, two vertical slide rails are installed side by side on one side of the connecting plate, two vertical slide rails are installed on each vertical slide rail, and each vertical slide The plate is connected, and two groups of horizontal slides are installed side by side on the other side of the connecting plate, the two groups of horizontal slides are arranged horizontally, each group has two horizontal slides, and each group of horizontal slides cooperates with a horizontal slide rail; the vertical buffer spring is connected to the connecting plate through a connecting piece; the first cylinder and the transverse fine-tuning slide rail are horizontally installed on the connecting plate, the transverse fine-tuning slide rail is located between the two horizontal slide rails, and the transverse fine-tuning slide rail is provided with a fine-tuning slide, and the piston rod of the first cylinder is connected to the fine-tuning slide rail; the feeding clamp has a clamp body, each horizontal slide rail is fixedly connected to the clamp body, a jaw is provided at one end of the clamp body, an upper chuck and a lower chuck are installed at the jaw, a through hole is provided in the middle of the clamp body, the fine-tuning slide block is located in the through hole, and two connecting rods are horizontally installed on the clamp body, the two connecting rods are respectively located on both sides of the through hole, each connecting rod is provided with a spring, and the two springs respectively cooperate with both sides of the horizontal direction of the fine-tuning slide block.

[0005] The feeding power mechanism includes a screw installed horizontally in the frame assembly, a nut is installed on the screw, and the nut is connected to the bottom of the base plate; one end of the screw is connected to a passive wheel, and the passive wheel is connected to a driving wheel through a belt, and the driving wheel is driven by a motor. A blind hole is opened on each side of the fine-tuning slider, and the two blind holes are matched with two springs in a one-to-one manner. A fixed wheel frame is installed horizontally on the side plate, and the fixed wheel frame is connected to the side plate through a connecting seat. The fixed wheel frame is U-shaped, and a first horizontal wheel is installed at each end of the fixed wheel frame. A first guide rail is installed horizontally on each of the front and rear sides of the middle of the fixed wheel frame, and a first slider is installed on each of the first guide rails. Each first slider is connected to a movable wheel frame, and a vertical support wheel and a wing plate pressure roller are installed on each of the movable wheel frames. A second cylinder is installed horizontally on each of the front and rear sides of the fixed wheel frame, and the two second cylinders are connected to the two movable wheel frames in a one-to-one manner to drive the two movable wheel frames to reciprocate along their respective first guide rails. The end portion of the guide wheel assembly near the belt is provided with a belt tensioning adjustment mechanism, the belt tensioning adjustment mechanism comprises a guide sleeve arranged at the end portion of the frame assembly, the guide sleeve is equipped with a conical sleeve at one end away from the belt, and a plug sleeve is vertically arranged at the end of the conical sleeve extending out of the guide sleeve, and a threaded hole is opened at one end of the conical sleeve located in the guide sleeve, and a long screw is equipped in the threaded hole, and a tensioning frame is connected to the end of the long screw extending out of the guide sleeve. A first tensioning wheel and a second tensioning wheel are installed in the tensioning frame, and the belt is located between the first tensioning wheel and the second tensioning wheel, and a tensioning spring is arranged on the outer periphery of the long screw between the conical sleeve and the end of the guide sleeve. The tensioning spring always has the tendency to drive the tensioning frame close to the guide sleeve to relax the belt. A rotatable swing arm is hingedly installed on the inner side of the frame at the bottom of the track, and a first wedge is provided at the inner end of the swing arm, and a vertically arranged suspension rod is connected at the outer end of the swing arm, and a The plug plate matches the plug sleeve. When the plug plate is in the plug sleeve, the conical sleeve is positioned on the guide sleeve, the tension spring is in a compressed state, the tension frame moves away from the guide sleeve to tension the belt, and the driving wheel can transmit power to the passive wheel through the belt. The end of the swing arm close to the suspension rod is provided with a long slot, and the suspension rod is provided with a short shaft matching the long slot, wherein the weight of the suspension rod and the plug plate is greater than the weight of the first wedge block, and the plug plate always has a tendency to enter the plug sleeve under the action of gravity. The bottom of the mounting seat is provided with a second wedge block matching the first wedge block, and the inclined surface of the second wedge block corresponds to the inclined surface of the first wedge block. When the mounting seat moves to the extreme position at the end of the frame assembly, the first wedge block can push the second wedge block to drive the swing arm to rotate, so that the plug plate moves up and separates from the plug sleeve, and the tension spring drives the tension frame to move close to the guide sleeve to make the belt in a relaxed state, and at this time the driving wheel cannot transmit power to the passive wheel through the belt. The upper chuck is a vertical cylinder.

[0006] Compared with the prior art, the utility model has the following advantages:

[0007] The utility model discloses a feeding device for processing a variable-section longitudinal beam with a straight edge on one side. The feeding clamp can appropriately adjust the lateral position of the longitudinal beam according to the change of the variable-section width during the longitudinal feeding process, and the position of the feeding clamp can be adjusted up, down, left and right according to the position of the longitudinal beam. The variable-section longitudinal beam with a straight edge on one side can be accurately transported to the specified position. After the feeding is in place, the punching positioning device only needs to fix the position of the longitudinal beam, and the existing punching machine can accurately punch the web or wing plate of the longitudinal beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a three-dimensional diagram of a feeding device for processing a variable-section longitudinal beam with a straight edge on one side;

[0009] Figure 2 for Figure 1 The main view;

[0010] Figure 3 for Figure 2 Right view of;

[0011] Figure 4 is a three-dimensional diagram of the mounting base;

[0012] Figure 5 A three-dimensional view of the mounting base from another angle;

[0013] Figure 6 A three-dimensional diagram of the adjustment mechanism;

[0014] Figure 7 for Figure 6 A stereogram from another angle;

[0015] Figure 8 Front view of the feeding assembly

[0016] Fig. 9 for Figure 8 Left view of

[0017] Fig.10 for Figure 8 Rear view of

[0018] Fig.11 for Figure 8 A top view of

[0019] Fig.12 for Figure 8 Bottom view of

[0020] Fig.13 It is a three-dimensional diagram of the feeding assembly;

[0021] Fig.14 is a three-dimensional diagram of the positioning wheel mechanism;

[0022] Fig.15 for Fig.14A three-dimensional image from another angle;

[0023] Fig.16 It is a structural schematic diagram of the end-mounted belt tensioning and adjusting mechanism of the utility model;

[0024] Fig.17 It is a schematic installation diagram of the belt tensioning adjustment mechanism being arranged on the frame assembly;

[0025] Fig.18 It is the front view of the belt tensioning adjustment mechanism;

[0026] Fig.19 yes Fig.18 An enlarged view of the AA section view;

[0027] Fig. 20 yes Fig.18 A magnified view of the middle B-direction view;

[0028] Fig.21 It is a schematic diagram showing that the belt is in a relaxed state when the mounting base moves to the limit position.

[0029] Reference numerals:

[0030] 1 frame assembly 10 track 11 track slider, 12 lead screw, 13 driving wheel, 14 passive wheel, 15 belt, 16 nut, 17 frame, 18 frame inner cavity;

[0031] 2 Feeding assembly

[0032] 20 mounting seat, 200 vertical plate, 201 bottom plate, 202 vertical movement cylinder, 203 vertical buffer spring, 204 side plate, 205 fixed wheel frame mounting groove;

[0033] 21 adjustment mechanism, 210 vertical slide rail, 211 vertical slider, 212 horizontal slide rail, 213 horizontal slider, 214 transverse fine-tuning slide rail 215 connecting plate 216 cylinder seat 217 connecting piece;

[0034] 22 feeding clamp, 220 clamp body, 221 upper clamp, 222 lower clamp, 223 spring 224 connecting rod 225 first cylinder 226 through hole 227 blind hole 228 fine adjustment slider 229 jaws;

[0035] 23 positioning wheel mechanism, 230 connecting seat, 231 fixed wheel frame, 232 second cylinder, 233 movable wheel frame, 234 first slider, 235 first guide rail, 236 vertical supporting wheel, 237 wing plate pressure roller, 238 first horizontal wheel.

[0036] 3 belt tensioning adjustment mechanism, 30 guide sleeve, 31 tapered sleeve, 32 plug sleeve, 33 long screw, 34 tensioning frame, 35 first tensioning wheel, 36 second tensioning wheel, 37 tensioning spring, 38 rocker arm, 39 first wedge block, 310 suspension rod, 311 plug plate, 312 long groove, 313 short shaft, 314 second wedge block.

[0037] 4 Stringers

[0038] 5 lifting mechanism 50 swing arm support 51 third cylinder 52 swing arm 53 swing arm pulley DETAILED DESCRIPTION

[0039] The purpose of the utility model is to provide a feeding device for processing a variable-section longitudinal beam with a straight edge on one side. The utility model will be further described below in conjunction with specific embodiments.

[0040] A feeding device for processing a variable cross-section longitudinal beam with a straight edge on one side, such as Figure 1 and Figure 2 As shown, it includes a frame assembly 1 and a feeding assembly 2. The frame assembly 1 includes a horizontally extending frame 17, on which two rails 10 are laid side by side. Each of the rails 10 is equipped with a rail slider 11, and the rail slider 11 is connected to the bottom of the feeding assembly 2. Figure 1 As shown, a frame inner cavity 18 is provided in the frame 17, and a feeding power mechanism is horizontally installed in the frame inner cavity 18. The feeding power mechanism is connected to the feeding assembly 2, and drives the feeding assembly 2 to reciprocate along the track 10.

[0041] like Fig. 9 As shown, the feeding assembly 2 includes a mounting seat 20, an adjustment mechanism 21 and a feeding clamp 22. Figure 4 As shown, the mounting base 20 includes a vertical plate 200, a side plate 204 and a bottom plate 201. The bottom plate 201 is connected to the track slider 11. Fig.13 As shown, a vertical cylinder 202 is installed on the mounting seat 20 , and a vertical buffer spring 203 is installed on the piston rod of the vertical cylinder 202 .

[0042] like Figure 6 As shown, the adjustment mechanism 21 has a connecting plate 215. Two vertical slide rails 210 are installed side by side on one side of the connecting plate 215, and two vertical sliding blocks 211 are installed on each vertical slide rail 210. Fig.10 As shown, each vertical slider 211 is connected to the vertical plate 200. Figure 7 As shown, two groups of horizontal sliders 213 are installed side by side on the other side of the connecting plate 215. The two groups of horizontal sliders 213 are arranged horizontally, each group has two horizontal sliders 213, and each group of horizontal sliders 213 cooperates with a horizontal slide rail 212. Fig.13As shown, the vertical buffer spring 203 is connected to the connecting plate 215 through the connecting member 217. The vertical movement cylinder 202 can drive the connecting plate 215 to move vertically. Fig. 9 As shown, the first cylinder 225 and the transverse fine-tuning slide rail 214 are horizontally mounted on the connecting plate 215, and the transverse fine-tuning slide rail 214 is located between the two horizontal slide rails 212. A fine-tuning slider 228 is arranged on the transverse fine-tuning slide rail 214, and the piston rod of the first cylinder 225 is connected to the fine-tuning slider 228.

[0043] like Fig.10 As shown, the feeding clamp 22 has a clamp body 220, and each horizontal slide rail 212 is fixedly connected to the clamp body 220. Fig. 9 As shown, a jaw 229 is provided at one end of the clamp body 220, and an upper clamp 221 and a lower clamp 222 are installed at the jaw 229. The upper clamp 221 can be a vertical cylinder. The extension and contraction of the piston rod of the cylinder can cooperate with the lower clamp 222 to clamp or loosen the web of the longitudinal beam 4. A through hole 226 is provided in the middle of the clamp body 220, and a fine-tuning slider 228 is located in the through hole 226. Two connecting rods 224 are horizontally installed on the clamp body 220, and the two connecting rods 224 are respectively located on both sides of the through hole 226. Each connecting rod 224 is provided with a spring 223, and the two springs 223 cooperate with the two sides of the fine-tuning slider 228 in the horizontal direction. The upper clamp 221 and the lower clamp 222 cooperate to tighten the cross section of the longitudinal beam. The first cylinder 225 can drive the feeding clamp 22 to move horizontally relative to the connecting plate 215 by driving the fine-tuning slider 228. At the same time, the two springs 223 cooperate with the fine-tuning slider 228 respectively, which can basically determine the relative position of the feeding clamp 22 and the connecting plate 215, and at the same time, the feeding clamp 22 has a certain lateral fine-tuning displacement relative to the connecting plate 215. Therefore, when the feeding clamp 22 clamps the longitudinal beam 4 with variable cross-section and moves longitudinally, it can have a certain elastic displacement as the cross-section of the longitudinal beam 4 becomes wider or narrower, thereby preventing the longitudinal beam 4 from having a rigid collision during the transportation process.

[0044] In order to make the longitudinal beam 4 more evenly stressed during the conveying process, a lifting mechanism 5 is installed on the side of the frame 17, and the lifting mechanism 5 and the jaws 229 are located on the same side of the frame 17. The lifting mechanism 5 has a swing arm support 50, which is connected to the frame 17. A swing arm 52 and a third cylinder 51 are hinged on the swing arm support 50. The piston rod of the third cylinder 51 is hinged to the lower end of the swing arm 52, and a swing arm pulley 53 is installed on the upper end of the swing arm 52. The third cylinder 51 can drive the swing arm 52 to swing up and down relative to the swing arm support 50 to support the longitudinal beam 4. When the feeding clamp 22 moves along the track 10, the third cylinder 51 can drive the swing arm 52 to flip downward to avoid the feeding clamp 22. After the feeding clamp 22 clamps the longitudinal beam 4 and passes through the lifting mechanism 5, the third cylinder 51 can drive the swing arm 52 to flip upward, and the swing arm 52 and the swing arm pulley 53 can support the web of the longitudinal beam 4.

[0045] The working principle of the feeding device is as follows: Figure 2 As shown, first, the feeding power mechanism drives the feeding assembly 2 to move to the right end of the frame 17, and the vertical cylinder 202 and the first cylinder 225 adjust the feeding clamp 22 so that the longitudinal beam 4 is as shown in FIG. Fig. 9 As shown, it is located in the feeding clamp 22; thereafter, the upper clamp 221 and the lower clamp 222 cooperate to tighten the web of the longitudinal beam; driven by the feeding power mechanism, the feeding assembly 2 drives the longitudinal beam 4 to move longitudinally to realize feeding.

[0046] Further, such as Figure 1 As shown, the feeding power mechanism includes a screw 12 horizontally mounted on the frame assembly 1, as shown in FIG. Figure 3 As shown, a nut 16 is threadedly installed on the lead screw 12, and the nut 16 is connected to the bottom of the feeding frame 20. One end of the lead screw 12 is connected to the passive wheel 14, and the passive wheel 14 is connected to the driving wheel 13 through a belt 15. The driving wheel 13 is driven by a motor, and the belt 15 drives the passive wheel 14 to rotate, driving the lead screw 12 to rotate, so that the nut 16 drives the feeding assembly 2 to move longitudinally relative to the frame assembly 1. The feeding assembly 2 has high movement accuracy and accurate feeding, which makes it easy to send the variable-section longitudinal beam with a straight edge on one side to the specified position, and then the punching machine can accurately punch it.

[0047] Further, such as Figure 7 and Fig.13 As shown, the first cylinder 225 and the transverse fine-tuning slide 214 are installed on the connecting plate 215. The transverse fine-tuning slide 214 is located between the two horizontal slides 212. The transverse fine-tuning slide 214 is provided with a fine-tuning slider 228. The fine-tuning slider 228 passes through the through hole on the clamp body 220. The fine-tuning slider 228 is provided with a blind hole 227 to facilitate the positioning of the spring. Two connecting rods 224 are installed on the clamp body 220. Each connecting rod 224 is provided with a spring 223. The two springs 223 are respectively matched with the two sides of the fine-tuning slider 228. The first cylinder 225 is connected to the fine-tuning slider 228 through a piston rod. Fig.13 As shown, the first cylinder 225 pushes the fine-tuning slider 228 to move to the right. At this time, the fine-tuning slider 228 compresses the spring 223 on the right side to the right, and the spring 223 on the right side drives the clamp body 220 to move to the right. Similarly, if the first cylinder 225 pushes the fine-tuning slider 228 to move to the left, the fine-tuning slider 22 compresses the spring 223 on the left side to the left, thereby achieving accurate positioning of the horizontal position of the feeding clamp 22. At the same time, the feeding clamp 22 can also have a certain amount of activity within the elastic deformation range of the spring 223.

[0048] Furthermore, since the variable cross-section longitudinal beam 4 with a straight edge on one side is usually long and heavy, the variable cross-section longitudinal beam processing and feeding device with a straight edge on one side is provided with a positioning wheel mechanism 23 to lift and guide the longitudinal beam. Fig.14 and Fig.15 As shown, a fixed wheel frame 231 is horizontally installed on the side plate 204, and the fixed wheel frame 231 is connected to the side plate 204 through a connecting seat 230. The fixed wheel frame 231 is U-shaped, and a first horizontal wheel 238 is installed at each end of the fixed wheel frame 231, and a first guide rail 235 is horizontally installed on the front and rear sides of the middle of the fixed wheel frame 231, and a first slider 234 is installed on each first guide rail 235. A movable wheel frame 233 is connected to each first slider 234, and a vertical supporting wheel 236 and a wing plate pressure roller 237 are installed on each movable wheel frame 233. A second cylinder 232 is horizontally installed on the front and rear sides of the fixed wheel frame 231, and the two second cylinders 232 are connected to the two movable wheel frames 233 one by one to drive the two movable wheel frames 233 to reciprocate along their respective first guide rails 235.

[0049] When the variable-section longitudinal beam with a straight side on one side is tightened by the upper clamp 221 and the lower clamp 222, since the variable-section longitudinal beam is very long and has a straight side on one side, in order to realize the lifting and guiding of the longitudinal beam, the first horizontal wheel 238 contacts the outer side of the wing plate of the longitudinal beam 4, and the first slider 234 is driven by the second cylinder 232 to move horizontally on the first guide rail 235, driving the movable wheel frame 233 to move, and when the wing plate pressure rollers 237 on both sides are in contact and pressed with the inner side of the wing plate of the longitudinal beam, the guiding positioning of the longitudinal beam is completed. At this time, the two vertical supporting wheels 236 contact the inner side of the web of the longitudinal beam to realize the lifting of the longitudinal beam.

[0050] When the feeding clamp 22 drives the longitudinal beam 4 to move into position, the longitudinal beam 4 will be released, and then the feeding clamp 22 will be reset under the drive of the mounting seat 20 to clamp the longitudinal beam next time. The movement of the mounting seat 20 on the track 10 needs to be limited to prevent the mounting seat 20 from driving the longitudinal beam beyond the set position and causing collision damage to the longitudinal beam or device to be processed. A photoelectric switch needs to be set on the side of the frame assembly 1, and a detection plate that can be recognized by the photoelectric switch is set on the feeding assembly 2. The photoelectric switch is set in front of the limit position, and once the detection plate is recognized, the feeding of the mounting seat 20 will be stopped.

[0051] If the photoelectric switch fails, the parking function cannot be realized, the device or the longitudinal beam may be damaged by collision, or the motor may be burned. To avoid the above situation, Fig.16 and Fig.17As shown, the frame assembly 1 is provided with a belt tensioning adjustment mechanism 3 at the end near the belt 15. The belt tensioning adjustment mechanism 3 can adjust the belt 15 to two states: loose or tight. If the photoelectric switch fails and the mounting seat 20 moves beyond the set position, the belt tensioning adjustment mechanism 3 can adjust the belt 15 to a loose state, making it unable to transmit power, thus achieving a parking effect, so as to facilitate subsequent inspection and maintenance. When the photoelectric switch does not fail and the mounting seat 20 does not move beyond the set position, the belt tensioning adjustment mechanism 3 will adjust the belt 15 to a tight state to ensure normal power transmission.

[0052] like Figure 18-20 As shown, the belt tensioning and adjusting mechanism 3 includes a guide sleeve 30 disposed at the end of the frame assembly 1, the guide sleeve 30 is arranged horizontally, and a conical sleeve 31 is installed on the end of the guide sleeve 30 away from the belt 15, the small diameter end of the conical sleeve 31 is located inside the guide sleeve 30, and the large diameter end of the conical sleeve 31 is located outside the guide sleeve 30. The end of the conical sleeve 31 extending out of the guide sleeve 30 is vertically provided with a plug sleeve 32, and a threaded hole is opened at the end of the conical sleeve 31 located inside the guide sleeve 30.

[0053] A long screw rod 33 is installed in the threaded hole. One end of the long screw rod 33 extending out of the guide sleeve 30 is connected to a tensioning frame 34. The tensioning frame 34 is located at the end close to the belt 15. A first tensioning wheel 35 and a second tensioning wheel 36 are installed in the tensioning frame 34. The belt 15 is located between the first tensioning wheel 35 and the second tensioning wheel 36. The belt 15 can be tightened by the lateral movement of the tensioning frame 34. When the tensioning frame 34 moves away from the guide sleeve 30, the belt 15 can be tightened. When the tensioning frame 34 moves close to the guide sleeve 30, the belt 15 is in a loose state.

[0054] A tensioning spring 37 is sleeved on the outer periphery of the long screw 33 between the conical sleeve 31 and the end of the guide sleeve 30. The tensioning spring 37 always has a tendency to drive the tensioning frame 34 close to the guide sleeve 30 to put the belt 15 in a relaxed state.

[0055] In order to maintain the tension of the belt 15, that is, the conical sleeve 31 needs to be locked in the guide sleeve 30. To achieve the above function, a rotatable swing rod 38 is hingedly installed on the inner side of the frame at the bottom of the track 10. The end of the swing rod 38 located on the inner side is provided with a first wedge 39, and the end of the swing rod 38 located on the outer side is connected to a vertically arranged suspension rod 310. The bottom of the suspension rod 310 is provided with a plug plate 311 that matches the plug sleeve 32. In order to ensure that the left-direction support force exerted by the plug plate 311 on the plug sleeve 32 is strong enough in the locked state, a vertical guide sleeve can be fixedly installed on the frame 17, and the guide sleeve cooperates with the suspension rod 310 to ensure that the suspension rod 310 can only move vertically.

[0056] When the plug plate 311 is located in the plug sleeve 32 , the conical sleeve 31 is positioned on the guide sleeve 30 , the tensioning spring 37 is in a compressed state, the tensioning frame 34 moves away from the guide sleeve 30 to tension the belt 15 , and the driving wheel 13 can transmit power to the driven wheel 14 through the belt 15 .

[0057] Since the end of the swing rod 38 moves in an arc when it rotates, in order to ensure that the plug plate 311 can be vertically lifted and lowered along the plug sleeve 32, a long groove 312 is provided at the end of the swing rod 38 close to the suspension rod 310, and a short shaft 313 matching the long groove 312 is provided on the suspension rod 310. In this way, when the swing rod 38 rotates, it will drive the plug plate 311 to move vertically in and out of the plug sleeve 32.

[0058] The weight of the suspension rod 310 and the plug plate 311 is greater than the weight of the first wedge block 39. Under the action of gravity, the plug plate 311 always tends to enter the plug sleeve 32, that is, the conical sleeve 31 is locked in the guide sleeve 30, so that the belt 15 is tightened to ensure power transmission.

[0059] In order to stop the mounting base 20 from moving beyond the set position after the photoelectric switch fails, a second wedge block 314 is installed at the bottom of the mounting base 20 to match the first wedge block 39. The inclined surface of the second wedge block 314 corresponds to the inclined surface of the first wedge block 39. When the mounting base 20 moves to the limit position at the end of the rack assembly 1. Fig.21 As shown, the first wedge block 39 can push the second wedge block 314 to drive the rocker bar 38 to rotate, so that the plug plate 311 moves up and separates from the plug sleeve 32, and the tensioning spring 37 drives the tensioning frame 34 to move close to the guide sleeve 30 to let the belt 15 be in a relaxed state. At this time, the driving wheel 13 cannot transmit power to the driven wheel 14 through the belt 15, that is, the machine can be shut down to prevent the device or the longitudinal beam from being damaged by collision.

[0060] The distance that the long screw 33 extends out of the conical sleeve 31 can be adjusted by rotating the conical sleeve 31. When the long screw 33 extends out of the conical sleeve 31 to a greater extent, after the conical sleeve 31 is positioned relative to the guide sleeve 30, the tensioning frame 34 is farther away from the guide sleeve 30, and it is easier to tighten the belt 15. That is, the tensioning degree of the belt 15 can be changed by adjusting the length of the long screw 33 extending out of the conical sleeve 31. The circumferential force between the conical sleeve 31 and the guide sleeve 30 in contact can make the force on the conical sleeve 31 itself more uniform when realizing the lateral movement and guidance of the conical sleeve 31, and can effectively extend the service life of the conical sleeve 31.

[0061] The failure of the photoelectric switch is an accidental situation, so the above structure will always ensure that the belt 15 is in a tightened state when the device is operating normally, so that the power can be transmitted normally. Once the belt tensioning adjustment mechanism 3 takes effect and adjusts the belt 15 to a relaxed state and stops the device, the staff will inspect and maintain the device, move the mounting seat 20 to reset, and manually reset the cone sleeve 31, and re-insert the plug plate 311 into the plug sleeve 32 to position and lock the cone sleeve 31, and re-adjust the belt 15 to a tightened state to deal with subsequent emergencies.

[0062] The technical solution of the present invention is not limited to the scope of the embodiments described in the present invention. The technical contents not described in detail in the present invention are all known technologies.

Claims

1. A feeding device for processing a variable cross-section longitudinal beam with a straight edge on one side, characterized in that: The invention comprises a frame assembly (1) and a feeding assembly (2); the frame assembly (1) comprises a frame (17), two rails (10) are laid side by side on the frame (17), each rail (10) is provided with a rail slider (11), the rail slider (11) is connected to the bottom of the feeding assembly (2), a frame inner cavity (18) is provided in the frame (17), a feeding power mechanism is horizontally installed in the frame inner cavity (18), the feeding power mechanism is connected to the feeding assembly (2), and drives the feeding assembly (2) to reciprocate along the rail (10); The feeding assembly (2) comprises a mounting seat (20), an adjustment mechanism (21) and a feeding clamp (22); The mounting seat (20) comprises a vertical plate (200), a side plate (204) and a bottom plate (201), the bottom plate (201) being connected to the track slider (11), a vertical cylinder (202) being mounted on the mounting seat (20), and a vertical buffer spring (203) being mounted on the piston rod of the vertical cylinder (202); The adjustment mechanism (21) comprises a connecting plate (215), two vertical slide rails (210) are installed side by side on one side of the connecting plate (215), two vertical sliders (211) are installed on each vertical slide rail (210), each vertical slider (211) is connected to the vertical plate (200), and two groups of horizontal sliders (213) are installed side by side on the other side of the connecting plate (215), the two groups of horizontal sliders (213) are arranged horizontally, each group has two horizontal sliders (213), and each group of horizontal sliders (211) has two horizontal sliders (213). 3) each cooperates with a horizontal slide rail (212); the vertical buffer spring (203) is connected to the connecting plate (215) through a connecting piece (217); a first cylinder (225) and a transverse fine-tuning slide rail (214) are horizontally installed on the connecting plate (215), the transverse fine-tuning slide rail (214) is located between the two horizontal slide rails (212), a fine-tuning slide block (228) is provided on the transverse fine-tuning slide rail (214), and a piston rod of the first cylinder (225) is connected to the fine-tuning slide block (228); The feeding clamp (22) comprises a clamp body (220), each horizontal slide rail (212) is fixedly connected to the clamp body (220), a jaw (229) is provided at one end of the clamp body (220), an upper clamp (221) and a lower clamp (222) are installed at the jaw (229), a through hole (226) is provided in the middle of the clamp body (220), a fine-tuning slider (228) is located in the through hole (226), two connecting rods (224) are horizontally installed on the clamp body (220), the two connecting rods (224) are respectively located on both sides of the through hole (226), each connecting rod (224) is provided with a spring (223), and the two springs (223) respectively cooperate with both sides of the fine-tuning slider (228) in the horizontal direction.

2. The feeding device for processing a variable cross-section longitudinal beam with a straight edge on one side according to claim 1, characterized in that: The feeding power mechanism comprises a lead screw (12) mounted horizontally in the frame assembly (1), a nut (16) mounted on the lead screw (12), and the nut (16) is connected to the bottom of the base plate (201); one end of the lead screw (12) is connected to a passive wheel (14), the passive wheel (14) is connected to a driving wheel (13) via a belt (15), and the driving wheel (13) is driven by a motor.

3. The feeding device for processing a variable cross-section longitudinal beam with a straight edge on one side according to claim 1, characterized in that: A blind hole (227) is respectively provided on two sides of the fine-tuning slider (228), and the two blind holes (227) are matched with the two springs (223) in a one-to-one correspondence.

4. The device for processing and feeding a variable cross-section longitudinal beam with a straight edge on one side according to claim 1, characterized in that: A fixed wheel frame (231) is horizontally mounted on the side plate (204). The fixed wheel frame (231) is connected to the side plate (204) via a connecting seat (230). The fixed wheel frame (231) is U-shaped. A first horizontal wheel (238) is mounted on each end of the fixed wheel frame (231). A first guide rail (235) is horizontally mounted on each front and rear sides of the middle of the fixed wheel frame (231). A first slider (234) is mounted on each first guide rail (235). Each first slider (234) is connected to a movable wheel frame (233). A vertical supporting wheel (236) and a wing plate pressing roller (237) are mounted on each movable wheel frame (233). A second cylinder (232) is horizontally mounted on each front and rear sides of the fixed wheel frame (231). The two second cylinders (232) are connected to the two movable wheel frames (233) in a one-to-one correspondence to drive the two movable wheel frames (233) to reciprocate along their respective first guide rails (235).

5. The device for processing and feeding a variable cross-section longitudinal beam with a straight edge on one side according to claim 2, characterized in that: The end of the frame assembly (1) close to the belt (15) is equipped with a belt tensioning adjustment mechanism (3), the belt tensioning adjustment mechanism (3) comprising a guide sleeve (30) arranged at the end of the frame assembly (1), the end of the guide sleeve (30) away from the belt (15) is equipped with a conical sleeve (31), the end of the conical sleeve (31) extending out of the guide sleeve (30) is vertically equipped with a plug sleeve (32), one end of the conical sleeve (31) located in the guide sleeve (30) is provided with a threaded hole, a long screw (33) is equipped in the threaded hole, one end of the long screw (33) extending out of the guide sleeve (30) is connected to a tensioning frame (34), and the tensioning frame (34) is equipped with a first tensioning wheel (35) and a second tensioning wheel (36). ), the belt (15) is located between the first tensioning wheel (35) and the second tensioning wheel (36), a tensioning spring (37) is sleeved on the outer periphery of the long screw rod (33) between the end of the conical sleeve (31) and the guide sleeve (30), and the tensioning spring (37) always has a tendency to drive the tensioning frame (34) close to the guide sleeve (30) to make the belt (15) in a relaxed state, and a rotatable swing rod (38) is hingedly installed on the inner side of the frame at the bottom of the track (10), and a first wedge block (39) is provided at the end of the swing rod (38) located on the inner side, and a vertically arranged suspension rod (310) is connected to the end of the swing rod (38) located on the outer side, and a plug plate (310) matching with the plug sleeve (32) is provided at the bottom of the suspension rod (310). 1), when the plug plate (311) is located in the plug sleeve (32), the conical sleeve (31) is positioned on the guide sleeve (30), the tensioning spring (37) is in a compressed state, the tensioning frame (34) moves away from the guide sleeve (30) to tension the belt (15), the driving wheel (13) can transmit power to the driven wheel (14) through the belt (15), the end of the swing rod (38) close to the suspension rod (310) is provided with a long groove (312), the suspension rod (310) is provided with a short shaft (313) matched with the long groove (312), wherein the weight of the suspension rod (310) and the plug plate (311) is greater than the weight of the first wedge block (39), and under the action of gravity, the plug plate (311) always enters the plug sleeve. (32), a second wedge block (314) matching with the first wedge block (39) is installed at the bottom of the mounting seat (20), and the inclined surface of the second wedge block (314) corresponds to the inclined surface of the first wedge block (39). When the mounting seat (20) moves to the extreme position at the end of the frame assembly (1), the first wedge block (39) can push the second wedge block (314) to drive the swing rod (38) to rotate, so that the plug plate (311) moves up and separates from the plug sleeve (32), and the tensioning spring (37) drives the tensioning frame (34) to move close to the guide sleeve (30) to make the belt (15) in a relaxed state. At this time, the driving wheel (13) cannot transmit power to the driven wheel (14) through the belt (15).

6. The feeding device for processing a variable cross-section longitudinal beam with a straight edge on one side according to claim 1, characterized in that: The upper clamp (221) is a vertical cylinder.

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