Automatic assembling machine for metal cable ties

Abstract

The utility model discloses an automatic assembling machine for metal ribbons. According to the technical scheme, the device comprises a material belt conveying mechanism used for conveying continuous material belts; the material belt cutting and buckle stamping mechanism is used for cutting the material belt and stamping a buckle to form a belt strip; and the strip bending mechanism is arranged beside the material strip cutting and buckle stamping mechanism and comprises a rack, a first bending mechanism and a second bending mechanism, the first bending mechanism and the second bending mechanism are installed on the rack, and the first bending mechanism comprises a rotary bending rod which is vertically arranged. The device has the following advantages that cutting of a material belt, stamping of a belt buckle, bending of a belt and assembling of a binding belt head and the belt can be completed on one device at the same time, and the device has the advantages of being high in assembling efficiency, good in stability and the like.

Description

Technical Field

[0001] This utility model belongs to the field of automation equipment, and in particular relates to an automatic assembly machine for metal cable ties. Background Technology

[0002] Cable ties are straps used to bundle items; they are also called cable ties, wire ties, or locking straps. Based on material, cable ties can be divided into nylon cable ties and stainless steel cable ties. Stainless steel cable ties have the following structure: Figure 11 As shown, the assembly includes a strip 71 and a cable tie 72 connected to one end of the strip 71. To improve the connection between the strip 71 and the cable tie 72, a buckle 73 is usually stamped at one end of the strip 71, and this end is bent and connected to the cable tie 72. However, the assembly between the traditional strip 71 and the cable tie 72 is usually done manually, which results in low assembly efficiency. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an automatic assembly machine for metal cable ties.

[0004] To solve the above problems, the technical solution adopted by this utility model includes:

[0005] A conveyor belt mechanism is used to transport a continuous conveyor belt.

[0006] The strip cutting and buckling stamping mechanism is used to cut and buckle the strip to form a strip.

[0007] A strip bending mechanism, located next to the strip cutting and buckle stamping mechanism, includes a frame and a first bending mechanism and a second bending mechanism mounted on the frame. The first bending mechanism includes a vertically arranged rotary bending rod, a positioning block located on one side of the rotary bending rod, and a first drive mechanism that drives the rotary bending rod to rise, fall, and rotate. The rotary bending rod has a gap for the strip to pass through, and the front end of the positioning block has a positioning surface and a clearance groove adapted to the rotary bending rod. The second bending mechanism includes a horizontally arranged stamping bending rod and a second drive mechanism that drives the stamping bending rod to press towards the positioning block.

[0008] A cable tie head conveying mechanism includes a vibratory feeder and a material channel connected to the discharge port of the vibratory feeder. The lower end of the material channel is provided with an opening for the cable tie head to pass through.

[0009] The belt pulling mechanism includes a gripper located beside the feed channel for pulling the belt forward and a third drive mechanism for moving the gripper.

[0010] The metal cable automatic assembly machine is characterized in that the first driving mechanism comprises a first rotating shaft connected to the lower end of the rotating bending rod, a pinion gear arranged at the lower end of the first rotating shaft, a gear wheel engaged with the pinion gear, a second rotating shaft connected to the lower end of the gear wheel, a driving main shaft, and a first motor driving the rotating of the driving main shaft; the first rotating shaft is installed on the slide rail of the rack in a lifting manner through a first rotating shaft mounting base; the second rotating shaft is fixed to the rack through a second rotating shaft mounting base; a first linkage rod is arranged on the first rotating shaft mounting base; a second linkage rod is arranged on the rack in a rotatable manner; the second linkage rod is connected to the first eccentric wheel at the bottom of the second rotating shaft through a first bearing rod; the driving main shaft is provided with a first cam capable of driving the upward movement of the first linkage rod and a second cam capable of driving the rotation of the second linkage rod; and the first linkage rod and the second linkage rod are respectively provided with a first reset spring and a second reset spring capable of driving the reset thereof.

[0011] The metal cable automatic assembly machine is characterized in that the material belt conveying mechanism comprises a first feeding wheel, a second feeding wheel, a second motor driving the rotation of the first feeding wheel, and a first air cylinder driving the movement of the second feeding wheel to the side of the first feeding wheel; the first feeding wheel is provided with an annular groove matched with the material belt; the second feeding wheel is provided with a flange embedded in the annular groove; and the first feeding wheel and the second feeding wheel are provided with synchronous rotation gears engaged with each other.

[0012] The metal cable automatic assembly machine is characterized in that the material belt cutting and buckle stamping mechanism comprises an upper die plate, a lower die plate, and a fourth driving mechanism driving the stamping of the upper die plate; the bottom of the upper die plate is provided with a I-shaped cutting punch and a buckle punch; and the lower die plate is provided with a cutting edge matched with the I-shaped cutting punch and the buckle punch.

[0013] The metal cable automatic assembly machine is characterized in that it further comprises a flattening mechanism arranged in front of the material belt conveying mechanism; and the flattening mechanism comprises two rows of staggered flattening bearings.

[0014] The metal cable automatic assembly machine is characterized in that it further comprises a detection mechanism arranged beside the material channel; the detection mechanism comprises a photoelectric sensor for detecting the belt strip and a micro switch for detecting the cable head; a micro switch trigger block for triggering the micro switch and a third reset spring driving the reset of the micro switch trigger block are arranged on the shaft at the lower end of the material channel; and the front end of the micro switch trigger block is blocked at the edge of the cable head.

[0015] The metal cable automatic assembly machine is characterized in that the first linkage rod is provided with a first bearing shaft matched with the first cam; and the second linkage rod is provided with a second bearing shaft matched with the second cam.

[0016] The metal cable tie automatic assembly machine further comprises a guide mechanism, the guide mechanism comprises a guide groove arranged between the material belt conveying mechanism and the material belt cutting and buckle stamping mechanism and at least two guide holes arranged in the material belt cutting and buckle stamping mechanism.

[0017] The metal cable tie automatic assembly machine further comprises a guide mechanism, the guide mechanism comprises a guide groove arranged between the material belt conveying mechanism and the material belt cutting and buckle stamping mechanism and at least two guide holes arranged in the material belt cutting and buckle stamping mechanism.

[0018] The metal cable tie automatic assembly machine further comprises a guide mechanism, the guide mechanism comprises a guide groove arranged between the material belt conveying mechanism and the material belt cutting and buckle stamping mechanism and at least two guide holes arranged in the material belt cutting and buckle stamping mechanism.

[0019] The metal cable tie automatic assembly machine has the advantages that the cutting of the material belt, the stamping of the belt buckle, the bending of the belt and the assembly of the cable tie head and the belt can be simultaneously completed on one equipment, and the metal cable tie automatic assembly machine has the advantages of high assembly efficiency and good stability.

[0020] The metal cable tie automatic assembly machine will be further described below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the metal cable tie automatic assembly machine;

[0022] Figure 2 is a structural schematic view of the material belt conveying mechanism;

[0023] Figure 3 is a structural schematic view of the material belt cutting and buckle stamping mechanism;

[0024] Figure 4 is a structural schematic view of the upper die;

[0025] Figure 5 is a structural schematic view of the lower die;

[0026] Figure 6 is a structural schematic view of the belt bending mechanism;

[0027] Figure 7 is a partial enlarged view of Figure 6

[0028] Figure 8 ​is a structure schematic view of the cable tie head conveying mechanism of the utility model;

[0029] Figure 9 is a partial enlarged view of the cable tie head conveying mechanism of the utility model;

[0030] Figure 10 is a structure schematic view of the cable tie head conveying mechanism of the utility model;

[0031] Figure 11 is a structure schematic view of the traditional metal cable tie. DETAILED DESCRIPTION

[0032] Referring to Figures 1-10 the utility model discloses metal cable tie automatic assembly machine, include: material belt conveying mechanism 1, material belt cutting and buckle stamping mechanism 2, strip bending mechanism 3, cable tie head conveying mechanism 4 and cable tie mechanism 5.

[0033] The tape conveying mechanism 1 is used to convey the continuous tape, and the tail end of the tape is usually wound on a tape roll. The tape cutting and buckle stamping mechanism 2 is used to cut and stamp the buckle of the tape to form a tape strip with a required length. The tape strip bending mechanism 3 is arranged beside the tape cutting and buckle stamping mechanism 2, and includes a rack 6, a first bending mechanism 7 and a second bending mechanism 8 mounted on the rack 6. The first bending mechanism 7 includes a vertically arranged rotary bending rod 9, a positioning block 10 arranged on one side of the rotary bending rod 9, and a first driving mechanism 11 for driving the rotary bending rod 9 to ascend and rotate. The rotary bending rod 9 is provided with a gap 12 for the tape strip to pass through. The positioning block 10 is provided with a positioning surface 13 at the front end and a clearance slot 14 matched with the rotary bending rod 9. The positioning surface 13 is used to position the front end of the tape strip, so that the rotary bending rod 9 can rotate and bend the tail end of the tape strip. The clearance slot 14 is used to clear the rotary bending rod 9, so that the tape strip can be attached to the positioning surface 13 for better bending. The second bending mechanism 8 includes a horizontally arranged stamping bending rod 15 and a second driving mechanism 16 for driving the stamping bending rod 15 to stamp towards the positioning block 10. Since the tape strip is usually made of stainless steel and has good elasticity, it cannot be completely bent in place by the rotary bending rod 9, so further stamping by the stamping bending rod 15 is needed to complete better bending. The cable tie head conveying mechanism 4 includes a vibrating disc 17 and a material channel 18 connected to the discharge port of the vibrating disc 17, and the material channel 18 is provided with an opening 19 at the lower end for the tape strip to pass into the cable tie head. The cable tie head is conveyed to the opening 19 at the lower end of the material channel 18 by the vibrating disc 17. The tape pulling mechanism 5 includes a clamping jaw 20 arranged beside the material channel 18 for pulling the tape strip forward and a third driving mechanism 21 for driving the clamping jaw 20 to move. The assembly process is as follows: the tape cutting and buckle stamping mechanism cuts and stamps the buckle of the tape conveyed by the tape conveying mechanism, then the tape strip bending mechanism bends the tail end of the tape strip, and finally the tape pulling mechanism pulls the tape strip forward to make the buckle of the tape strip enter the cable tie head. Note that the front end of the tape strip has already passed into the cable tie head and extends out of the material channel when it is at the working position of the tape cutting and buckle stamping mechanism, and can be clamped by the clamping jaw.

[0034] Preferably, the first driving mechanism 11 comprises a first rotating shaft 22 connected to the lower end of the rotating bending rod 9, a pinion 23 arranged at the lower end of the first rotating shaft 22, a gear wheel 24 engaged with the pinion 23, a second rotating shaft 25 connected to the lower end of the gear wheel 24, a driving main shaft 26, and a first motor 27 driving the rotating of the driving main shaft 26. The first motor 27 is usually connected with the driving main shaft by a chain wheel. The first rotating shaft 22 is liftable mounted on the slide rail 29 of the frame 6 by a first rotating shaft mounting base 28, and the second rotating shaft 25 is fixed on the frame 6 by a second rotating shaft mounting base 30. A first linkage rod 31 is arranged on the first rotating shaft mounting base 28, and a second linkage rod 32 is rotatably arranged on the frame 6, and the second linkage rod 32 is connected with a first eccentric wheel 34 at the bottom of the second rotating shaft 25 by a first bearing rod 33. The driving main shaft 26 is provided with a first cam 35 capable of lifting the first linkage rod 31 and a second cam 36 capable of rotating the second linkage rod 32, and the first linkage rod 31 and the second linkage rod 32 are respectively provided with a first return spring 37 and a second return spring 38 capable of returning the first linkage rod 31 and the second linkage rod 32. When the belt strip is conveyed to the station, the first motor 27 drives the rotating of the driving main shaft 26, so that the first cam 35 first contacts the first linkage rod 31, and drives the first rotating shaft mounting base 28 and the rotating bending rod 9 to synchronously lift, so that the belt strip enters the gap 12, then the second cam 36 contacts the second linkage rod 32, and drives the rotating of the rotating bending rod 9, so as to realize the bending of the belt strip; when the driving main shaft 26 continues to rotate, the first cam 35 and the second cam 36 are respectively away from the first linkage rod 31 and the second linkage rod 32, and the first linkage rod 31 and the second linkage rod are respectively returned under the action of the first return spring 37 and the second return spring 38. Further, the lifting and rotating operations of the rotating bending rod 9 are realized.

[0035] Preferably, the belt strip conveying mechanism 1 comprises a first feeding wheel 39, a second feeding wheel 40, a second motor 41 driving the rotating of the first feeding wheel 39, and a first air cylinder 43 driving the second feeding wheel 40 to move to the side of the first feeding wheel 39. The first feeding wheel 39 is provided with an annular groove 42 matched with the belt strip, the second feeding wheel 40 is provided with a flange 69 embedded in the annular groove 42, and the first feeding wheel 39 and the second feeding wheel 40 are provided with synchronous rotating gears 70 engaged with each other. When the belt strip passes between the first feeding wheel 39 and the second feeding wheel 40, the second feeding wheel 40 is moved to the side of the first feeding wheel 39 by the first air cylinder 43, so as to press the belt strip, and finally the synchronous rotating of the first feeding wheel 39 and the second feeding wheel 40 is driven by the second motor 41, so as to realize the forward conveying of the belt strip.

[0036] Preferably, the strip cutting and buckle stamping mechanism 2 comprises an upper die plate 44, a lower die plate 45 and a fourth driving mechanism 46 for driving the upper die plate 44 to stamp. The bottom of the upper die plate 44 is provided with an I-shaped cutting punch 47 and a buckle punch 48. The I-shaped cutting punch 47 is used to stamp the head and tail of the strip, so that the head of the strip forms a tapered surface and the tail forms a flat surface. The lower die plate 45 is provided with a cutting edge 49 corresponding to the I-shaped cutting punch 47 and the buckle punch 48. Through the above structure, the strip is formed by one-time stamping.

[0037] Preferably, it also comprises a flattening mechanism arranged in front of the strip conveying mechanism 1. The flattening mechanism comprises two rows of staggered flattening bearings 50. The ideal number of flattening bearings 50 is 5-10 on each side, which can realize the flattening of the strip.

[0038] Preferably, it also comprises a detection mechanism arranged beside the material channel 18. The detection mechanism comprises a photoelectric sensor 51 for detecting the strip and a micro switch 52 for detecting the cable head. The lower end of the material channel 18 is provided with a micro switch trigger block 53 for triggering the micro switch 52 and a third reset spring 54 for driving the micro switch trigger block 53 to reset. The front end of the micro switch trigger block 53 is blocked at the edge of the cable head. When the strip is pulled forward by the pulling mechanism 5, the cable head drives the micro switch trigger block 53 to rotate, thereby triggering the micro switch 52, and effectively detecting whether the strip has been assembled with the cable head. The first reset spring 37, the second reset spring 38 and the third reset spring 54 all comprise compression springs, tension springs, spring leaves, etc.

[0039] Preferably, the first linkage rod 31 is provided with a first bearing shaft 55 matched with the first cam 35, and the second linkage rod 32 is provided with a second bearing shaft 56 matched with the second cam 36. The first bearing shaft 55 and the second bearing shaft 56 respectively contact with the first cam 35 and the second cam 36 to improve the smoothness of their sliding.

[0040] Preferably, it also comprises a guide mechanism, which comprises a guide groove 57 arranged between the strip conveying mechanism 1 and the strip cutting and buckle stamping mechanism 2, and at least two guide holes 58 arranged in the strip cutting and buckle stamping mechanism 2. The strip passes through the guide groove 57 and the guide hole 58, so that the strip can more accurately enter the strip cutting and buckle stamping mechanism 2 for stamping, and also more accurately pass through the gap 12 of the rotary bending rod 9 and the cable head.

[0041] Preferably, the second driving mechanism 16 comprises a first slider 59 and a third motor 60, the first slider 59 is connected with a second eccentric wheel 62 on the third motor 60 through a second bearing rod 61, and the punch bending rod 15 is installed on the first slider 59. The third driving mechanism 21 comprises a second slider 63 and a second cylinder 64 driving the second slider 63 to slide, and the clamping jaw 20 is installed on the second slider 63. The fourth driving mechanism 46 comprises a third slider 65 and a fourth motor 66, the third slider 65 is connected with a third eccentric wheel 68 on the fourth motor 66 through a third bearing rod 67, and the upper die plate 44 is installed on the third slider 65. The punch bending rod 15, the clamping jaw 20 and the upper die plate 44 are driven respectively by the second driving mechanism 16, the third driving mechanism 21 and the fourth driving mechanism 46. These driving mechanisms have the advantages of simple structure and stable reliability.

[0042] As described above, the utility model is not limited in any form, although the utility model has disclosed above with preferred embodiments, however, is not used to limit the utility model, any person skilled in the art, without departing from the technical scheme range of the utility model, when can utilize the structure and technical content disclosed above make a little change or modification for equivalent implementation examples of equivalent change, but any simple modification, equivalent change and modification of the above implementation examples, which do not depart from the technical scheme of the utility model, according to the technical essence of the utility model, still belong to the technical scheme range of the utility model.

Claims

1. A metal cable tie automatic assembly machine characterized by, The utility model relates to a kind of strip material conveying mechanism, strip material cutting and buckle stamping mechanism, strip material bending mechanism, cable tie head conveying mechanism and pull belt mechanism. The utility model discloses a kind of strip material conveying mechanism (1), for conveying continuous strip material;Strip material cutting and buckle stamping mechanism (2) are used for cutting and buckle stamping of strip material, form strip;Strip bending mechanism (3) is set in the strip material cutting and buckle stamping mechanism (2), including rack (6) and first bending mechanism (7) and second bending mechanism (8) mounted on the rack (6), the first bending mechanism (7) includes vertically arranged rotary bending bar (9), the positioning block (10) being arranged at one side of the rotary bending bar (9) and the first drive mechanism (11) of the rotary bending bar (9) driving the rotary bending bar (9) lifting and rotating, the rotary bending bar (9) is provided with gap (12) for strip passing, the positioning block (10) front end is provided with locating surface (13) and the give-way slot (14) being adapted to the rotary bending bar (9);The second bending mechanism (8) includes horizontally arranged stamping type bending bar (15) and the second drive mechanism (16) of the stamping type bending bar (15) driving the stamping type bending bar (15) to the direction of the positioning block (10) stamping; Cable tie head conveying mechanism (4) includes vibration disc (17) and material channel (18) being connected at the discharge port of the vibration disc (17), and the lower end of the material channel (18) is provided with an opening (19) for the strip to pass into the cable tie head; Pull belt mechanism (5) includes clamping jaw (20) for pulling the strip forward and third drive mechanism (21) for moving the clamping jaw (20). The first drive mechanism (11) includes first rotating shaft (22) connected to the lower end of the rotary bending bar (9), pinion (23) arranged at the lower end of the first rotating shaft (22), gear wheel (24) engaged with the pinion (23), second rotating shaft (25) connected to the lower end of the gear wheel (24), drive spindle (26) and first motor (27) for rotating the drive spindle (26), the first rotating shaft (22) is liftable mounted on the slide rail (29) of the rack (6) through first rotating shaft mounting seat (28), the second rotating shaft (25) is fixed on the rack (6) through second rotating shaft mounting seat (30), the first rotating shaft mounting seat (28) is provided with first linkage rod (31), the rack (6) is provided with rotatable second linkage rod (32), the second linkage rod (32) is connected with the first eccentric wheel (34) at the bottom of the second rotating shaft (25) through first bearing rod (33), the drive spindle (26) is provided with first cam (35) capable of lifting the first linkage rod (31) and second cam (36) capable of rotating the second linkage rod (32), the first linkage rod (31) and the second linkage rod (32) are respectively provided with first return spring (37) and second return spring (38) capable of driving them to return. ​ 2. The metal cable tie automatic assembly machine of claim 1, wherein: ​ 3. The metal cable tie automatic assembly machine of claim 1, wherein: The material belt conveying mechanism (1) comprises a first feeding wheel (39), a second feeding wheel (40), a second motor (41) driving the first feeding wheel (39) to rotate, and a first cylinder (43) driving the second feeding wheel (40) to move to the side of the first feeding wheel (39), the first feeding wheel (39) is provided with an annular groove (42) matched with the material belt, the second feeding wheel (40) is provided with a flange (69) embedded in the annular groove (42), and the first feeding wheel (39) and the second feeding wheel (40) are provided with synchronous rotating gears (70) engaged with each other.

4. The metal cable tie machine of claim 1, wherein: The material belt cutting and buckle stamping mechanism (2) comprises an upper die plate (44), a lower die plate (45), and a fourth driving mechanism (46) driving the upper die plate (44) to stamp, the bottom of the upper die plate (44) is provided with an I-shaped cutting punch (47) and a buckle punch (48), and the lower die plate (45) is provided with a cutting edge (49) matched with the I-shaped cutting punch (47) and the buckle punch (48).

5. The metal cable tie machine of claim 1, wherein: It also comprises a flattening mechanism arranged in front of the material belt conveying mechanism (1), and the flattening mechanism comprises two rows of staggered flattening bearings (50).

6. The metal cable tie machine of claim 1, wherein: It also comprises a detection mechanism arranged beside the material channel (18), and the detection mechanism comprises a photoelectric sensor (51) for detecting the belt strip and a micro switch (52) for detecting the cable tie head, the lower end of the material channel (18) is provided with a micro switch trigger block (53) for triggering the micro switch (52) and a third reset spring (54) driving the micro switch trigger block (53) to reset, and the front end of the micro switch trigger block (53) is blocked at the edge of the cable tie head.

7. The machine of claim 2, wherein: The first linkage rod (31) is provided with a first shaft sleeve (55) matched with the first cam (35), and the second linkage rod (32) is provided with a second shaft sleeve (56) matched with the second cam (36).

8. The metal cable tie machine of claim 1, wherein: It also comprises a guide mechanism, and the guide mechanism comprises a guide groove (57) arranged between the material belt conveying mechanism (1) and the material belt cutting and buckle stamping mechanism (2) and at least two guide holes (58) arranged in the material belt cutting and buckle stamping mechanism (2).

9. The metal cable tie machine of claim 1, wherein: The second driving mechanism (16) comprises a first sliding block (59) and a third motor (60), the first sliding block (59) is connected with a second eccentric wheel (62) on the third motor (60) through a second bearing rod (61), and the stamping type bending rod (15) is installed on the first sliding block (59), the third driving mechanism (21) comprises a second sliding block (63) and a second cylinder (64) driving the second sliding block (63) to slide, and the clamping jaw (20) is installed on the second sliding block (63).

10. The metal cable tie machine of claim 4 wherein: The fourth driving mechanism (46) comprises a third sliding block (65) and a fourth motor (66), the third sliding block (65) is connected with a third eccentric wheel (68) on the fourth motor (66) through a third bearing rod (67), and the upper die plate (44) is installed on the third sliding block (65).

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