An automatic strapping tightening mechanism

Abstract

The present application relates to a kind of automatic strapping tightening mechanism, including rack, and strapping compression group, strapping lock catch group, power push piece group, strapping tightening group and strapping cutting group are installed in rack in turn.The head of strapping is compressed by strapping compression group, and it is guided to provide for strapping insertion lock catch hole, the end of strapping rack is inserted into lock catch hole by strapping lock catch group, power push piece group is provided for strapping lock catch when providing boost, so that the end of strapping rack can smoothly pass through lock catch hole, after strapping is tightened by strapping tightening group, the remaining strapping is cut off by strapping cutting group;The automatic strapping tightening mechanism changes the traditional manual material strapping tightening mode, so that the performance of fully automated processing equipment is more perfect, greatly improves the production efficiency of enterprise, guarantees product quality and production safety.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic processing equipment, and particularly relates to an automatic strapping tightening mechanism. BACKGROUND

[0002] With the rapid development of production and manufacturing industry, the material needs to be strapping tightened in the automatic processing equipment, and the strapping tightening degree of the material and the need to cut off the excess strapping after strapping tightening are considered, so that the efficiency of manual operation is extremely low. Therefore, many enterprises and manufacturers will choose automatic strapping tightening of the material to realize high efficiency, economy and safety of the working process. In view of this, the present application provides an automatic strapping tightening mechanism, which realizes full-automatic tightening of the material through strapping pressing, strapping locking, thrust aid, strapping tightening and strapping cutting, changes the traditional manual strapping tightening mode, and can be widely used in automatic processing equipment. SUMMARY

[0003] The present application aims at overcoming the deficiencies of the prior art, adapting to the real needs, providing an automatic strapping tightening mechanism, changing the traditional manual strapping tightening mode, making the performance of the full-automatic processing equipment more perfect, greatly improving the production efficiency of the enterprise, and ensuring the product quality and production safety.

[0004] In order to achieve the object of the present application, the technical scheme adopted by the present application is as follows:

[0005] An automatic strapping tightening mechanism comprises a rack.

[0006] A strapping pressing group is installed on the rack and is used for pressing the strapping head locking position and enabling the other end of the strapping to be inserted into the locking hole for tightening.

[0007] A strapping locking group is installed on the rack and is used for inserting the end of the strapping rack into the locking hole for locking.

[0008] A thrust aid group is installed on the rack and is used for pushing the end of the strapping rack through the locking hole.

[0009] A strapping tightening group is installed on the rack and is used for tightening the strapping.

[0010] A strapping cutting group is installed on the rack and is used for cutting the remaining strapping after tightening.

[0011] The automatic strapping tightening mechanism changes the traditional manual strapping tightening mode of the material, makes the performance of the full-automatic processing equipment more perfect, greatly improves the production efficiency of the enterprise, and ensures the product quality and production safety.

[0012] Preferably, the rack comprises a base plate, a side support plate, a front support plate, an optical axis support, an adjusting groove plate, a left side beam plate, a right side beam plate, a face cover plate A and a face cover plate B; the side support plate is vertically fixed on the left side of the top surface of the base plate; the front support plate is vertically fixed on the right end of the front side of the base plate; the optical axis support is vertically fixed on the right end of the back side of the base plate; the adjusting groove plate is a reverse L-shaped plate structure, the vertical plate bottom of the adjusting groove plate is fixedly connected with the top surface of the base plate; the left side beam plate is fixed on the top of the side support plate; the right side beam plate is symmetrically arranged with the left side beam plate, and the bottom front side of the right side beam plate is fixedly connected with the top of the front support plate, and the bottom back side of the right side beam plate is fixedly connected with the top of the optical axis support; the face cover plate A and the face cover plate B are symmetrically arranged front and back, and the gap between the face cover plate A and the face cover plate B forms a mounting cavity, the bottom two ends of the face cover plate A are fixedly connected with the top front side of the left side beam plate and the top front side of the right side beam plate respectively, and the bottom two ends of the face cover plate B are fixedly connected with the top back side of the left side beam plate and the top back side of the right side beam plate respectively.

[0013] Preferably, the cable pressing group comprises a rotary pressing cylinder, a cable inlay block, a supporting surface block, a cable supporting piece, a cable pressing handle and an infrared photoelectric switch; the rotary pressing cylinder is installed on the bottom of the right side beam plate, and the piston rod of the rotary pressing cylinder penetrates through the right side beam plate and extends to the mounting cavity; the cable inlay block is arranged at the mounting cavity, one end of the bottom of the cable inlay block is fixedly connected with the top of the right side beam plate through the supporting surface block, the other end of the bottom of the cable inlay block is fixedly connected with the top of the right side beam plate through the cable supporting piece, and an inlay groove is formed in the cable inlay block; the cable pressing handle is a reverse L-shaped plate structure, the horizontal plate bottom of the cable pressing handle is fixedly connected with the end of the piston rod of the rotary pressing cylinder, and a guide groove is arranged on the outer side of the vertical plate of the cable pressing handle; the infrared photoelectric switch is fixed on the right side beam plate. When the cable is installed in the inlay groove of the cable inlay block, whether the cable is installed in place is detected by the infrared photoelectric switch, then the rotary pressing cylinder works, the piston rod of the rotary pressing cylinder drives the cable pressing handle to move downward and press the head of the cable, and at the same time, the guide groove of the cable pressing handle is aligned with the lock buckle hole after the installation position of the cable pressing handle is adjusted, so that the cable pressing group can ensure the stability of the cable and accurately insert the other end of the cable into the lock buckle.

[0014] Preferably, the cable lock buckle group comprises an adjusting block, a turnover support plate, a first servo motor, a first motor mounting plate, a driving pulley A, a driven pulley A, a synchronous belt A, a pulley transmission shaft A, a turnover fixing piece, a welded bent cable piece, a threaded air cylinder and a cylinder fixing plate; the adjusting block is arranged on the top of the horizontal plate of the adjusting groove plate, and the left end of the adjusting block is detachably connected with the side support plate through a bolt; the turnover support plate is vertically fixed on the top of the adjusting block; the first servo motor is mounted on one side of the turnover support plate through the first motor mounting plate; the driving pulley A is coaxially fixed on the output shaft of the first servo motor; the driven pulley A is rotatably connected to the upper end of the turnover support plate through a bearing; the synchronous belt A is sequentially arranged on the driving pulley A and the driven pulley A, and the driven pulley A is frictionally driven by the synchronous belt A; one end of the pulley transmission shaft A is coaxially fixedly connected with the driven pulley A, and the middle part of the pulley transmission shaft A is supported and fixed on the turnover support plate through four deep groove ball bearings, and one shaft gap washer is arranged between every two deep groove ball bearings; the turnover fixing piece is fixed on the other end of the pulley transmission shaft A; the welded bent cable piece is fixed on the turnover fixing piece, the upper end of the welded bent cable piece is bent towards the cable pressing handle, and a notch for guiding the cable is formed in the length direction of the welded bent cable piece; the threaded air cylinder is supported and fixed on the pulley transmission shaft A through the cylinder fixing plate, and the piston rod of the threaded air cylinder can block the cable when it is extended.

[0015] Preferably, the cable lock buckle group further comprises a connecting block, a tension spring, an L-shaped baffle A, an L-shaped baffle B and an air pipe baffle; the connecting block is fixedly connected with the top of the left side beam plate through a screw at the bottom, and the right end of the connecting block is connected with the side support plate through a screw; one end of the tension spring is fixedly connected with the connecting block, and the tension spring is fixedly connected with the cylinder fixing plate; the L-shaped baffle A is mounted on the face cover plate A; the L-shaped baffle B is mounted on the face cover plate B; and the air pipe baffle is mounted on the turnover support plate. The first servo motor transmits power from the driving pulley A to the driven pulley A through the synchronous belt A, so as to drive the pulley transmission shaft A to rotate; the first servo motor can control the rotation of the welded bent cable piece by driving the pulley transmission shaft A to rotate, so as to realize the insertion of the end of the cable rack into the lock buckle hole; when the welded bent cable piece sends the cable into the lock buckle hole, the threaded air cylinder is ventilated, the telescopic shaft of the threaded air cylinder is popped out to block the cable, so as to prevent the cable from running out of the notch of the welded bent cable piece and being synchronously rotated by the welded bent cable piece; after the cable is sent into the lock buckle hole, the cylinder fixing plate returns to the initial position and is pulled back by the tension spring, and the welded bent cable piece returns under the control of the first servo motor.

[0016] Preferably, the assisting pushing piece group comprises a cylinder L plate, a double-shaft cylinder and a thrust assisting piece; one end of the cylinder L plate is fixedly connected with the adjusting groove plate; the double-shaft cylinder is installed at the other end of the cylinder L plate; the thrust assisting piece is fixed at the end of the piston rod of the double-shaft cylinder, and a clamping groove matched with the cable tie is formed at the top of the thrust assisting piece. The thrust assisting piece is controlled by the double-shaft cylinder to provide assistance when locking the cable tie, that is, the thrust assisting piece moves upward against the middle part of the cable tie rack, and because the pressing handle of the cable tie is pressed, the guide groove is aligned with the locking hole of the cable tie, thus having a guiding effect, so that the end of the cable tie rack can smoothly pass through the locking hole after the assistance.

[0017] Preferably, the cable tie tightening group comprises a steel sliding table, a second motor mounting plate, a second servo motor, a driving pulley B, a driven pulley B, a synchronous belt B, a pulley transmission shaft B, a shaft coupling, a gas claw fixing plate, a parallel cylinder, a left claw connecting piece, a right claw connecting piece and a cable tie pulling clamp; the steel sliding table is fixedly arranged in parallel inside the front side support plate; the second servo motor is installed on the side of the steel sliding table through the second motor mounting plate; the driving pulley B is coaxially fixed on the output shaft of the second servo motor; the driven pulley B is rotatably connected with the second motor mounting plate through a bearing; the synchronous belt B is sequentially wound around the driving pulley B and the driven pulley B, and the driven pulley B is frictionally driven with the driving pulley B through the synchronous belt B; the lower end of the pulley transmission shaft B is coaxially fixedly connected with the driven pulley B, and the upper end of the pulley transmission shaft B is connected with the lead screw of the steel sliding table through the shaft coupling; one end of the gas claw fixing plate is fixedly connected with the sliding block of the steel sliding table; the parallel cylinder is installed at the other end of the gas claw fixing plate; the cable tie pulling clamp is symmetrically provided with two, and the gap between the two cable tie pulling clamps forms a clamping cavity, and the two cable tie pulling clamps are connected with the two piston ends of the parallel cylinder through the left claw connecting piece and the right claw connecting piece respectively. The second servo motor transmits power from the driving pulley B to the driven pulley B through the synchronous belt B, thereby driving the pulley transmission shaft B to rotate, the pulley transmission shaft B drives the lead screw of the steel sliding table to rotate through the shaft coupling, so that the sliding block thereof can move up and down; the second servo motor can control the steel sliding table sliding block to move up and down, thereby controlling the parallel cylinder to move, that is, controlling the two cable tie pulling clamps to move up and down at the same time, and the parallel cylinder can control the clamping and opening of the two cable tie pulling clamps, that is, the two cable tie pulling clamps are controlled to move upward to the end of the cable tie rack after being opened relative to each other, and the cable tie pulling clamps are controlled to move downward after clamping the cable tie rack, thereby tightening the cable tie.

[0018] Preferably, the cable tie cutting group comprises a cylinder fixed inverted piece, an ultra-thin cylinder, a push-cutting piece, a flat blade fixing block and a blade; the cylinder fixed inverted piece is fixed on the right side beam plate by screws, and a guide rail is arranged on the cylinder fixed inverted piece; the ultra-thin cylinder is installed on the cylinder fixed inverted piece; one end of the push-cutting piece is fixedly connected with the end of the piston rod of the ultra-thin cylinder by screws, and the push-cutting piece is slidably connected with the guide rail on the cylinder fixed inverted piece through a sliding block; the flat blade fixing block is fixed on the push-cutting piece; and the blade is installed on the flat blade fixing block.

[0019] Preferably, the cable tie cutting group further comprises a waste groove, which is fixed on the base plate and located below the blade. The ultra-thin cylinder can control the advance and retreat of the blade by controlling the advance and retreat of the push-cutting piece, that is, the remaining cable tie after tightening is cut off, and the cut-off cable tie waste falls into the waste groove for collection.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] The present application provides a cable tie pressing group, a cable tie locking group, a power-assisted pushing piece group, a cable tie tightening group and a cable tie cutting group. The cable tie head locking position is pressed by the cable tie pressing group, and the cable tie is guided when being inserted into the locking hole. The cable tie rack end is inserted into the locking hole by the cable tie locking group. The cable tie locking is assisted by the power-assisted pushing piece group, so that the cable tie rack end can smoothly pass through the locking hole. The remaining cable tie is cut off by the cable tie cutting group after being tightened by the cable tie tightening group. The automatic cable tie tightening mechanism changes the traditional manual material cable tie tightening method, so that the performance of the fully automatic processing equipment is more perfect, the production efficiency of the enterprise is greatly improved, and the product quality and production safety are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 FIG. 1 is a structural schematic view of an embodiment of an automatic cable tie tightening mechanism of the present application;

[0023] Figure 2 FIG. 2 is a rear view structural schematic view of the automatic cable tie tightening mechanism of the embodiment of the present application;

[0024] Figure 3 FIG. 3 is a split structural schematic view of the cable tie pressing group of the embodiment of the present application;

[0025] Figure 4 FIG. 4 is a split structural schematic view of the cable tie locking group and the power-assisted pushing piece group of the embodiment of the present application;

[0026] Figure 5 FIG. 5 is a structural schematic view of the cable tie tightening group of the embodiment of the present application;

[0027] Figure 6 Structure diagram of the strap tightening group and the strap cutting group of the embodiment of the present application.

[0028] Explanation of the reference numerals in the drawing:

[0029] 1, frame; 11, base plate; 12, side support plate; 13, front side support plate; 14, optical axis support; 15, adjusting groove plate; 16, left side beam plate; 17, right side beam plate; 18, face cover plate A; 19, face cover plate B; 2, strap pressing group; 21, rotary pressing cylinder; 22, strap inlay block; 23, face supporting block; 24, strap supporting piece; 25, strap pressing handle; 26, infrared photoelectric switch; 3, strap locking group; 31, adjusting block; 32, overturning support plate; 33, first servo motor; 34, first motor mounting plate; 35, driving pulley A; 36, driven pulley A; 37, synchronous belt A; 38, pulley transmission shaft A; 39, overturning fixing piece; 310, welded bent strap piece; 311, threaded cylinder; 312, cylinder fixing plate; 313, connecting block; 314, tension spring; 315, L-shaped baffle A; 316, L-shaped baffle B; 317, air pipe baffle; 4, power-assisted pushing piece group; 41, cylinder L plate; 42, double-shaft cylinder; 43, pushing force assisting piece; 5, strap tightening group; 51, steel sliding table; 52, second motor mounting plate; 53, second servo motor; 54, driving pulley B; 55, driven pulley B; 56, synchronous belt B; 57, pulley transmission shaft B; 58, shaft coupling; 59, air claw fixing plate; 510, parallel cylinder; 511, left claw connecting piece; 512, right claw connecting piece; 513, strap pulling clamp; 6, strap cutting group; 61, cylinder fixing inverted piece; 62, ultra-thin cylinder; 63, cutting piece; 64, flat blade fixing block; 65, blade; 66, waste groove. DETAILED DESCRIPTION

[0030] For the convenience of those skilled in the art to understand the technical scheme of the present application, the technical scheme of the present application will be further described in conjunction with the drawings of the specification.

[0031] The terms "first", "second", "third", etc. are used only for the purpose of description and should not be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0032] Embodiment 1

[0033] As Figure 1 , Figure 2As shown, this embodiment provides an automatic cable tie tightening mechanism, including a frame 1, and a cable tie clamping group 2, a cable tie locking group 3, a power pusher group 4, a cable tie tightening group 5, and a cable tie cutting group 6 sequentially installed on the frame 1.

[0034] like Figure 1 , Figure 2 As shown, and specifically with Figure 1 With the orientation as a reference, the frame 1 in this embodiment includes a base plate 11, a side support plate 12, a front support plate 13, an optical axis support 14, an adjustment slot plate 15, a left crossbeam plate 16, a right crossbeam plate 17, a face cover plate A18, and a face cover plate B19; the side support plate 12 is vertically welded or fixed to the left side of the top surface of the base plate 11 with screws; the front support plate 13 is vertically welded or fixed to the right front end of the base plate 11 with screws; the optical axis support 14 is vertically welded or fixed to the right rear end of the base plate 11; the adjustment slot plate 15 has an inverted L-shaped plate structure, and the bottom of the vertical plate of the adjustment slot plate 15 is welded to the top surface of the base plate 11 or fixed with screws; the left crossbeam plate 16 is welded or fixed to the side support plate 17 with screws. The top of the support plate 12; the right crossbeam plate 17 and the left crossbeam plate 16 are symmetrically arranged, and the bottom front side of the right crossbeam plate 17 is welded to the top of the front support plate 13 or fixed with screws, and the bottom rear side of the right crossbeam plate 17 is welded to the top of the optical axis support 14 or fixed with screws; the face cover plate A18 and the face cover plate B19 are symmetrically arranged front and back, and the gap between the face cover plate A18 and the face cover plate B19 forms an installation cavity, and the bottom two ends of the face cover plate A18 are welded to the top front side of the left crossbeam plate 16 and the top front side of the right crossbeam plate 17 respectively or fixed with screws, and the bottom two ends of the face cover plate B19 are welded to the top rear side of the left crossbeam plate 16 and the top rear side of the right crossbeam plate 17 respectively or fixed with screws.

[0035] like Figures 1-3 As shown, and specifically with Figure 1 With the orientation as a reference, the cable tie clamping assembly 2 in this embodiment includes a rotary clamping cylinder 21, a cable tie insert block 22, a support block 23, a cable tie support 24, a cable tie clamping handle 25, and an infrared photoelectric switch 26; the rotary clamping cylinder 21 is installed at the bottom of the right crossbeam plate 17, and the piston rod of the rotary clamping cylinder 21 passes through the right crossbeam plate 17 and extends to the mounting cavity; the cable tie insert block 22 is disposed in the mounting cavity, and one end of the bottom of the cable tie insert block 22 is connected to the right crossbeam plate through the support block 23. The top of the cable tie inlay block 22 is fixedly connected to the top of the right crossbeam plate 17 via the cable tie support 24, and the cable tie inlay block 22 is provided with an inlay groove 221; the cable tie pressure handle 25 is an inverted L-shaped plate structure, and the bottom of the horizontal plate of the cable tie pressure handle 25 is welded to or fixedly connected to the piston rod end of the rotary pressing cylinder 21 by screws, and the outer side of the vertical plate of the cable tie pressure handle 25 is provided with a guide groove 251; the infrared photoelectric switch 26 is installed on the right crossbeam plate 17.

[0036] When the cable tie is installed in the inlay groove 221 of the cable tie inlay block 22, the infrared photoelectric switch 26 detects whether the cable tie is installed in place, and then the rotary pressing cylinder 21 works, the piston rod drives the cable tie pressing handle 25 to descend and press the head of the cable tie, and the guide groove 251 of the cable tie pressing handle 25 is aligned with the cable tie locking hole after the installation position is adjusted, so that the cable tie pressing group 2 can ensure the stability of the cable tie while the other end of the cable tie can be accurately inserted into the lock.

[0037] As shown in Figures 1-4 , and specifically in Figure 1With reference to the orientation of the figure, the strap buckle set 3 of the present embodiment comprises an adjusting block 31, a turnover support plate 32, a first servo motor 33, a first motor mounting plate 34, a driving pulley A 35, a driven pulley A 36, a synchronous belt A 37, a pulley transmission shaft A 38, a turnover fixing member 39, a welded bent strap member 310, a threaded cylinder 311, a cylinder fixing plate 312, a connecting block 313, a tension spring 314, an L-shaped baffle A 315, an L-shaped baffle B 316, and an air pipe baffle 317. The adjusting block 31 is arranged on the top of the horizontal plate of the adjusting groove plate 15, and the left end of the adjusting block 31 is detachably connected to the side support plate 12 through a bolt. The turnover support plate 32 is vertically fixed on the top of the adjusting block 31. The first servo motor 33 is mounted on one side of the turnover support plate 32 through the first motor mounting plate 34. The driving pulley A 35 is coaxially fixed on the output shaft of the first servo motor 33. The driven pulley A 36 is rotatably connected to the upper end of the turnover support plate 32 through a bearing. The synchronous belt A 37 is sequentially arranged on the driving pulley A 35 and the driven pulley A 36. The driven pulley A 36 is frictionally driven by the synchronous belt A 37 and the driving pulley A 35. One end of the pulley transmission shaft A 38 is coaxially fixedly connected to the driven pulley A 36. The pulley transmission shaft A 38 is supported and fixed on the turnover support plate 32 through four deep groove ball bearings in the middle part, and each two deep groove ball bearings are separated by an axial gap washer. The turnover fixing member 39 is fixed on the other end of the pulley transmission shaft A 38. The welded bent strap member 310 is fixed on the turnover fixing member 39. The upper end of the welded bent strap member 310 is bent towards the strap pressing handle 25, and a notch for guiding the strap is formed on the length direction of the welded bent strap member 310. The threaded cylinder 311 is supported and fixed on the pulley transmission shaft A 38 through the cylinder fixing plate 312. The piston rod of the threaded cylinder 311 can block the strap. The bottom left beam plate 16 of the connecting block 313 is fixedly connected to the top of the right end of the side support plate 12 through a screw. One end of the tension spring 314 is fixedly connected to the connecting block 313, and the other end is fixedly connected to the cylinder fixing plate 312. The L-shaped baffle A 315 is mounted on the face cover plate A 18. The L-shaped baffle B 316 is mounted on the face cover plate B 19, which is used for guiding the strap and preventing the strap from running left and right. The air pipe baffle 317 is mounted on the turnover support plate 32, which is used to limit the direction of the air pipe and protect the air pipe from being disturbed.

[0038] The first servo motor 33 transmits power from the driving pulley A35 to the driven pulley A36 through the synchronous belt A37, thereby driving the pulley transmission shaft A38 to rotate; the first servo motor 33 can control the rotation of the welding bend strap piece 310 by driving the pulley transmission shaft A38 to rotate, thereby achieving the insertion of the strap rack end into the lock hole; when the welding bend strap piece 310 sends the strap into the lock hole, the threaded air cylinder 311 is ventilated, the threaded air cylinder 311 extension shaft pops up to block the strap, so as to prevent the strap from running out of the notch of the welding bend strap piece 310, and the threaded air cylinder 311 extension shaft is driven to rotate synchronously by the welding bend strap piece 310; when the strap is sent into the lock hole, the air cylinder fixing plate 312 returns to the initial position and is pulled back by the tension spring 314, and the welding bend strap piece 310 is controlled to return by the first servo motor 33.

[0039] As Figure 1 , Figure 2 and Figure 4 indicated, and specifically with the orientation of Figure 1 as the reference, the power-assisted pushing piece group 4 of the embodiment includes the air cylinder L plate 41, the double-shaft air cylinder 42 and the pushing-assisted piece 43; one end of the air cylinder L plate 41 is fixedly connected with the adjusting groove plate 15; the double-shaft air cylinder 42 is installed at the other end of the air cylinder L plate 41; the pushing-assisted piece 43 is fixed at the piston rod end of the double-shaft air cylinder 42, and a clamping groove matched with the strap is formed at the top of the pushing-assisted piece 43.

[0040] The pushing-assisted piece 43 is controlled by the double-shaft air cylinder 42 to provide assistance when locking the strap, that is, the pushing-assisted piece 43 pushes against the middle part of the strap rack to move upward, and because the guiding groove of the strap pressing handle 25 is aligned with the lock hole of the strap, the guiding groove has a guiding effect, so that the end of the strap rack can smoothly pass through the lock hole after the assistance.

[0041] As Figure 1 , Figure 2 , Figure 5 and Figure 6 indicated, and specifically with the orientation of Figure 1With reference to the orientation, the strap tightening group 5 of the present embodiment comprises a steel slide 51, a second motor mounting plate 52, a second servo motor 53, a driving pulley B 54, a driven pulley B 55, a synchronous belt B 56, a pulley transmission shaft B 57, a shaft coupling 58, a gas claw fixing plate 59, a parallel gas cylinder 510, a claw connecting piece left 511, a claw connecting piece right 512, and a strap pulling clamp 513; the steel slide 51 is fixed in parallel inside the front side support plate 13; the second servo motor 53 is mounted on the side of the steel slide 51 through the second motor mounting plate 52; the driving pulley B 54 is coaxially fixed on the output shaft of the second servo motor 53; the driven pulley B 55 is rotationally connected with the second motor mounting plate 52 through a bearing; the synchronous belt B 56 is sequentially wound around the driving pulley B 54 and the driven pulley B 55, and the driven pulley B 55 is frictionally driven with the driving pulley B 54 through the synchronous belt B 56; the lower end of the pulley transmission shaft B 57 is coaxially fixedly connected with the driven pulley B 55, and the upper end of the pulley transmission shaft B 57 is connected with the lead screw of the steel slide 51 through the shaft coupling 58; one end of the gas claw fixing plate 59 is fixedly connected with the sliding block of the steel slide 51; the parallel gas cylinder 510 is mounted on the other end of the gas claw fixing plate 59; the strap pulling clamp 513 is symmetrically provided with two, and the gap between the two strap pulling clamps 513 forms a clamping cavity, and the two strap pulling clamps 513 are respectively connected with the two piston ends of the parallel gas cylinder 510 through the claw connecting piece left 511 and the claw connecting piece right 512.

[0042] The second servo motor 53 transmits power from the driving pulley B 54 to the driven pulley B 55 through the synchronous belt B 56, thereby driving the pulley transmission shaft B 57 to rotate, the pulley transmission shaft B 57 drives the lead screw of the steel slide 51 to rotate through the shaft coupling 58, so that the sliding block thereof moves up and down; the second servo motor 53 can control the parallel gas cylinder 510 to move by controlling the sliding block of the steel slide 51 to move up and down, that is, the two strap pulling clamps 513 are simultaneously controlled to move up and down, and the parallel gas cylinder 510 can control the two strap pulling clamps 513 to be clamped and opened, that is, after the two strap pulling clamps 513 are relatively opened, they are controlled by the second servo motor 53 to move upward to the end of the strap rack, and after clamping the strap rack, the strap pulling clamps 513 are controlled by the second servo motor 53 to move downward, thereby tightening the strap.

[0043] As shown in Figure 1 , Figure 2 and Figure 6 , and specifically in Figure 1With reference to the orientation of the figures, the strap cutting group 6 of the present embodiment comprises a cylinder fixing inverting piece 61, an ultra-thin cylinder 62, a push-cutting piece 63, a flat blade fixing block 64, a blade 65 and a waste groove 66; the cylinder fixing inverting piece 61 is fixed on the right side beam plate 17 by screws, and a guide rail is arranged on the cylinder fixing inverting piece 61; the ultra-thin cylinder 62 is installed on the cylinder fixing inverting piece 61; one end of the push-cutting piece 63 is fixedly connected with the end of the piston rod of the ultra-thin cylinder 62 by screws, and the push-cutting piece 63 is slidably connected with the guide rail on the cylinder fixing inverting piece 61 through a sliding block; the flat blade fixing block 64 is fixed on the push-cutting piece 63; the blade 65 is installed on the flat blade fixing block 64; the waste groove 66 is fixed on the base plate 11, and the waste groove 66 is located below the blade 65.

[0044] The ultra-thin cylinder 62 can control the advance and retreat of the push-cutting piece 63, thereby controlling the advance and retreat of the blade 65, i.e. cutting the remaining strap after tightening, and the cut strap waste falls into the waste groove 66 for collection.

[0045] Working principle: the present application provides an automatic strap tightening mechanism, before the material is sent, the strap is sent into the mechanism in advance, the strap head is installed in the strap inlay block 22, the infrared photoelectric switch 26 detects the strap installation in place, the rotary compression cylinder 21 works, drives the strap pressing handle 25 to descend and compresses the strap head, and the guide groove of the strap pressing handle 25 is aligned with the strap lock hole; after the strap is placed, the material is transported to the strap waiting to be tightened, at this time, the first servo motor 33 operates, power is transmitted to the pulley transmission shaft A38 through the synchronous belt A37, the welding bent strap piece 310 is driven to rotate, the strap rack end is inserted into the lock hole, the threaded cylinder 311 is ventilated in the process, the threaded cylinder 311 telescopic shaft pops out and blocks the strap to prevent the strap from running out of the slot of the welding bent strap piece 310, at this time, the threaded cylinder 311 is driven by the welding bent strap piece 310 and rotates synchronously; after the strap rack end is inserted into the lock hole, the double-shaft cylinder 42 works, so that the thrust aid 43 pushes the middle part of the strap rack and moves upward, after boosting, the strap rack end smoothly passes through the lock hole; the second servo motor 53 operates to control the steel slide 51 slider to move upward, drives the parallel cylinder 510 to move upward, so that the upward movement of the strap pull clamp 513, at the same time, the parallel cylinder 510 works to control the two strap pull clamps 513 to open, after the strap pull clamp 513 moves to the end of the strap rack, the parallel cylinder 510 works to control the two strap pull clamps 513 to clamp the strap, the second servo motor 53 operates to control the steel slide 51 slider to move downward, drives the parallel cylinder 510 to move downward, so that the strap pull clamp 513 moves downward, thereby stretching the strap to tighten the material; after the strap tightens the material, the ultra-thin cylinder 62 works to control the push cutting member 63 to advance, thereby driving the blade 65 to advance, and cutting the remaining strap after tightening; after cutting, the parallel cylinder 510 works to control the two strap pull clamps 513 to open, and the strap waste falls into the waste groove 66 for collection; after cutting, the ultra-thin cylinder 62 works to control the push cutting member 63 to retreat, thereby driving the blade 65 to retreat; at the same time, the double-shaft cylinder 42 works, so that the thrust aid 43 moves downward to return to the initial position; the first servo motor 33 operates, power is transmitted to the pulley transmission shaft A38 through the synchronous belt A37, controls the welding bent strap piece 310 to return to the initial position, the tension spring 314 pulls the cylinder fixing plate 312 back to the original position through the spring tension, so that the threaded cylinder 311 returns to the initial position; after the above-mentioned parts return to the original position, the material is transported away from the station after being tightened, waiting for the subsequent strap and material to be sent in.

[0046] The present application is provided with the strap pressing group 2, the strap locking group 3, the assisting pushing piece group 4, the strap tightening group 5 and the strap cutting group 6, the strap head locking position is pressed by the strap pressing group 2, and the strap is guided to insert into the locking hole, the strap rack end is inserted into the locking hole by the strap locking group 3, the strap locking is assisted by the assisting pushing piece group 4, so that the strap rack end can smoothly pass through the locking hole, the strap is tightened by the strap tightening group 5, and the remaining strap is cut by the strap cutting group 6; the automatic strap tightening mechanism changes the traditional manual material strap tightening mode, the performance of the fully-automatic processing equipment is more perfect, the production efficiency of the enterprise is greatly improved, and the product quality and production safety are ensured.

[0047] The present application discloses the preferred embodiments, but is not limited to this, and the ordinary skilled in the art can easily understand the spirit of the present application according to the above embodiments, and make different inferences and changes, as long as they do not deviate from the spirit of the present application, they are within the protection scope of the present application.

Claims

1. An automatic strapping tightening mechanism characterized by: It comprises a rack (1); A cable tie pressing group (2) is installed on the rack (1) to press the cable tie head locking position and provide guidance for the cable tie insertion into the locking hole; A cable tie locking group (3) is installed on the rack (1) to lock the cable tie rack end into the locking hole; A booster pushing piece group (4) is installed on the rack (1) to push the cable tie rack end through the locking hole; A cable tie tightening group (5) is installed on the rack (1) to tighten the cable tie; A cable tie cutting group (6) is installed on the rack (1) to cut the remaining cable tie after tightening; The rack (1) comprises a base plate (11), a side support plate (12), an adjustment slot plate (15), a left side beam plate (16), a right side beam plate (17), a face cover plate A (18), and a face cover plate B (19); the side support plate (12) is vertically fixed on the left side of the top surface of the base plate (11); the adjustment slot plate (15) is a reverse L-shaped plate structure, the bottom of the vertical plate of the adjustment slot plate (15) is fixedly connected with the top surface of the base plate (11); the left side beam plate (16) is fixed on the top of the side support plate (12); the right side beam plate (17) is symmetrically arranged with the left side beam plate (16); the face cover plate A (18) and the face cover plate B (19) are symmetrically arranged front and back, and the gap between the face cover plate A (18) and the face cover plate B (19) forms a mounting cavity; The cable tie pressing group (2) comprises a rotary pressing cylinder (21) and a cable tie pressing handle (25); the rotary pressing cylinder (21) is installed at the bottom of the right side beam plate (17), and the piston rod of the rotary pressing cylinder (21) penetrates through the right side beam plate (17) and extends to the mounting cavity; the cable tie pressing handle (25) is a reverse L-shaped plate structure, the bottom of the horizontal plate of the cable tie pressing handle (25) is fixedly connected with the end of the piston rod of the rotary pressing cylinder (21), and the outer side of the vertical plate of the cable tie pressing handle (25) is provided with a guide groove; The strap lock buckle group (3) comprises an adjusting block (31), an overturning support plate (32), a first servo motor (33), a first motor mounting plate (34), a driving pulley A (35), a driven pulley A (36), a synchronous belt A (37), a pulley transmission shaft A (38), an overturning fixing part (39), a welded bent strap part (310), a threaded air cylinder (311) and an air cylinder fixing plate (312); the adjusting block (31) is arranged on the top of the horizontal plate of the adjusting groove plate (15), and the left end of the adjusting block (31) is detachably connected with the side edge support plate (12) through a bolt; the overturning support plate (32) is vertically fixed on the top of the adjusting block (31); the first servo motor (33) is mounted on one side of the overturning support plate (32) through the first motor mounting plate (34); the driving pulley A (35) is coaxially fixed on the output shaft of the first servo motor (33); the driven pulley A (36) is rotatably connected to the upper end of the overturning support plate (32) through a bearing; the synchronous belt A (37) is sequentially arranged on the driving pulley A (35) and the driven pulley A (36); the driven pulley A (36) is frictionally driven by the synchronous belt A (37) and the driving pulley A (35); one end of the pulley transmission shaft A (38) is coaxially fixedly connected with the driven pulley A (36); the pulley transmission shaft A (38) is supported and fixed on the overturning support plate (32) through four deep groove ball bearings in the middle part, and one shaft gap washer is arranged between every two deep groove ball bearings; the overturning fixing part (39) is fixed on the other end of the pulley transmission shaft A (38); the welded bent strap part (310) is fixed on the overturning fixing part (39); the upper end of the welded bent strap part (310) is bent towards the direction of the strap pressing handle (25); and a slot for guiding the strap is formed in the length direction of the welded bent strap part (310); the threaded air cylinder (311) is supported and fixed on the pulley transmission shaft A (38) through the air cylinder fixing plate (312); and the piston rod of the threaded air cylinder (311) can block the strap when it is elongated. The strap lock buckle group (3) further comprises a connecting block (313), a tension spring (314), an L-shaped baffle A (315), an L-shaped baffle B (316) and an air pipe baffle (317); the bottom of the connecting block (313) is fixedly connected with the top of the left side beam plate (16) through a screw; the right end of the connecting block (313) is connected with the side edge support plate (12) through a screw; one end of the tension spring (314) is fixedly connected with the connecting block (313); the tension spring (314) is fixedly connected with the air cylinder fixing plate (312); the L-shaped baffle A (315) is mounted on the face cover plate A (18); the L-shaped baffle B (316) is mounted on the face cover plate B (19); and the air pipe baffle (317) is mounted on the overturning support plate (32).

2. The automatic strapping tensioning mechanism of claim 1, wherein: The rack (1) further comprises a front side support plate (13) and an optical axis support (14); the front side support plate (13) is vertically fixed at the front right end of the base plate (11); the optical axis support (14) is vertically fixed at the rear right end of the base plate (11); and the bottom front side of the right side beam plate (17) is fixedly connected with the top of the front side support plate (13), and the bottom rear side of the right side beam plate (17) is fixedly connected with the top of the optical axis support (14); the bottom two ends of the face cover plate A (18) are fixedly connected with the top front side of the left side beam plate (16) and the top front side of the right side beam plate (17) respectively, and the bottom two ends of the face cover plate B (19) are fixedly connected with the top rear side of the left side beam plate (16) and the top rear side of the right side beam plate (17) respectively.

3. The automatic strapping tensioning mechanism of claim 2, wherein: The cable pressing group (2) further comprises a cable inlay block (22), a supporting surface block (23), a cable supporting piece (24) and an infrared photoelectric switch (26); the cable inlay block (22) is arranged at the mounting cavity, one end of the bottom of the cable inlay block (22) is fixedly connected with the top of the right side beam plate (17) through the supporting surface block (23), the other end of the bottom of the cable inlay block (22) is fixedly connected with the top of the right side beam plate (17) through the cable supporting piece (24), and an inlay groove is formed in the cable inlay block (22); and the infrared photoelectric switch (26) is fixed on the right side beam plate (17).

4. The automatic strapping tensioning mechanism of claim 3, wherein: The assisting pushing piece group (4) comprises a cylinder L plate (41), a double-shaft cylinder (42) and a pushing force assisting piece (43); one end of the cylinder L plate (41) is fixedly connected with the adjusting groove plate (15); the double-shaft cylinder (42) is installed at the other end of the cylinder L plate (41); the pushing force assisting piece (43) is fixed at the piston rod end of the double-shaft cylinder (42), and a clamping groove matched with the cable is formed in the top of the pushing force assisting piece (43).

5. The automatic strapping tensioning mechanism of claim 4, wherein: The strap tightening group (5) comprises a steel slide (51), a second motor mounting plate (52), a second servo motor (53), a driving pulley B (54), a driven pulley B (55), a synchronous belt B (56), a pulley transmission shaft B (57), a shaft coupling (58), a gas claw fixing plate (59), a parallel gas cylinder (510), a pull claw connecting piece left (511), a pull claw connecting piece right (512), and a strap pull clamp (513); the steel slide (51) is fixed in parallel on the inner side of the front side support plate (13); the second servo motor (53) is mounted on the side of the steel slide (51) through the second motor mounting plate (52); the driving pulley B (54) is coaxially fixed on the output shaft of the second servo motor (53); the driven pulley B (55) is rotatably connected with the second motor mounting plate (52) through a bearing; the synchronous belt B (56) is sequentially wound around the driving pulley B (54) and the driven pulley B (55), and the driven pulley B (55) is frictionally transmitted with the driving pulley B (54) through the synchronous belt B (56); the lower end of the pulley transmission shaft B (57) is coaxially fixedly connected with the driven pulley B (55), and the upper end of the pulley transmission shaft B (57) is connected with the lead screw of the steel slide (51) through the shaft coupling (58); one end of the gas claw fixing plate (59) is fixedly connected with the sliding block of the steel slide (51); the parallel gas cylinder (510) is mounted on the other end of the gas claw fixing plate (59); the strap pull clamp (513) is symmetrically provided with two, and the gap between the two strap pull clamps (513) forms a clamping cavity, and the two strap pull clamps (513) are respectively connected with the two piston ends of the parallel gas cylinder (510) through the pull claw connecting piece left (511) and the pull claw connecting piece right (512).

6. The automatic strapping tensioning mechanism of claim 5, wherein: The strap cutting group (6) comprises a gas cylinder fixed inverted piece (61), an ultra-thin gas cylinder (62), a push-cutting piece (63), a flat blade fixing block (64), and a blade (65); the gas cylinder fixed inverted piece (61) is fixed on the right side beam plate (17) through screws, and a guide rail is arranged on the gas cylinder fixed inverted piece (61); the ultra-thin gas cylinder (62) is mounted on the gas cylinder fixed inverted piece (61); one end of the push-cutting piece (63) is fixedly connected with the piston rod end of the ultra-thin gas cylinder (62) through screws, and the push-cutting piece (63) is slidably connected with the guide rail on the gas cylinder fixed inverted piece (61) through a sliding block; the flat blade fixing block (64) is fixed on the push-cutting piece (63); the blade (65) is mounted on the flat blade fixing block (64).

7. The automatic strapping tensioning mechanism of claim 6, wherein: The strap cutting group (6) further comprises a waste groove (66), and the waste groove (66) is fixed on the base plate (11) and located below the blade (65).

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