CN209921662U - A material feeding, dividing and pushing mechanism of a cable tie tool - Google Patents

Abstract

The utility model provides a feeding, distributing and pushing mechanism of a binding tool, which comprises an intermittent indexing mechanism, a distributing mechanism, a pushing mechanism and a slider mechanism; sequentially: the intermittent indexing mechanism conveys one binding tape to the working position of the material distribution mechanism at a time, the material distribution mechanism separates the binding tape from the binding tape connecting plate of the integrated binding tape, and the material pushing mechanism pushes the separated binding tape into the sliding block for positioning; the slide block mechanism slides the binding belt from the pre-positioning position to a binding working position, after binding is finished, the head of the binding belt exits from the slide block, and the slide block retreats from the binding working position to the pre-positioning position; the intermittent indexing mechanism, the material distributing mechanism, the material pushing mechanism and the sliding block mechanism are all driven by electric power, the controller controls the intermittent indexing mechanism, the material distributing mechanism, the material pushing mechanism and the sliding block mechanism to sequentially act according to time logic, and the intermittent indexing mechanism, the material distributing mechanism and the material pushing mechanism are driven by a motor to act according to time sequence.

Description

A material feeding, dividing and pushing mechanism of a cable tie tool

technical field

The invention relates to the technical field of strapping equipment, in particular to a feeding, distributing and pushing mechanism of a strapping tool.

Background technique

Ordinary plastic cable ties have a square head. The existing feeding, distributing and pushing mechanism of a cable tie tool uses the square head of the cable tie for positioning to achieve automatic bundling operations, while cars, trains, motorcycles and other means of transportation The one-piece fixed cable tie is widely used. The integrated fixed cable tie is a combination of ordinary cable tie functions and additional head fixing features. The fixing features of the head of the cable tie are mainly used to buckle on the frame or home appliances. on the shell. Common types of head features of one-piece fixed cable ties are: fir head plus butterfly, or fir head plus wing combination, arrow plus butterfly, or arrow plus wing combination, flat plate with locking hole type, etc. Due to the irregular shape of the head of the one-piece fixed cable ties and the variety of shapes, most of the one-piece fixed cable ties are neither suitable for feeding by a vibrating plate nor feeding by a pipe, so that they can be positioned and automatically fed in an automatic tool. Feeding is relatively difficult, and the design concepts and methods of various automatic cable tie machines and tools that have come out are not suitable for the automation of one-piece fixed cable ties. According to the introduction of large multinational companies in the automotive wiring harness industry, a number of well-known automotive manufacturing companies and multinational companies in the automotive wiring harness industry have been trying to develop a suitable one-piece fixed cable tie by themselves or with some well-known tool manufacturers in the past 30 years. The feeding, distributing and pushing mechanism of the cable tie tool, but their efforts for more than 30 years have not been successful.

SUMMARY OF THE INVENTION

The purpose of the present invention includes providing a material feeding, distributing and pushing mechanism of a cable tie tool, so as to solve the technical problems of high labor intensity and low efficiency in manual operation of the cable tie; Linkage design.

The present invention is mainly designed to solve the problem of automatic bundling and positioning of conjoined one-piece fixed cable ties with different head shapes or automatic strapping and positioning of label cable ties, but the present invention is also applicable to one-piece ordinary cable ties with regular head shapes. The automatic strapping operation of the strap, for the convenience of description in the following text, the different types of straps are collectively referred to as straps or one-piece straps.

The present invention provides a material feeding, distributing and pushing mechanism for a tie tool, including an intermittent indexing mechanism, a material distributing mechanism, a pushing mechanism, and a slider mechanism; sequentially: the intermittent indexing mechanism will The cable tie is conveyed to the working position of the material distribution mechanism, the material distribution mechanism separates the cable tie from the cable tie connecting plate of the one-piece cable tie, and the push mechanism pushes the separated cable tie into the slider Positioning; the slider mechanism slides the cable tie from the pre-positioning position to the binding working position. After the strapping is completed, the head of the cable tie exits the slider, and the slider returns from the binding working position to the pre-positioning position; the intermittent indexing mechanism, the material distribution The mechanism, the pushing mechanism and the sliding block mechanism are all driven by electric power, which are controlled by the controller to act in sequence according to the time logic, and the intermittent indexing mechanism, the material distribution mechanism and the pushing mechanism are driven by a motor to act in sequence.

Further, the intermittent indexing mechanism includes at least a wheel disc and a double-acting cam, and a plurality of pitch pins are evenly arranged on the end face of the wheel disc along its axial or radial extension, and the plurality of pitch pins are connected with the The wheel disc is made into one piece or tightly fitted on the wheel disc; or a pitch roller is installed on each pitch pin in an empty sleeve; the wheel disc is also pivotally connected with a double-acting divider in the axial or radial direction. an indexing cam, the groove of the indexing cam is in contact with the outer peripheral surface of the pitch roller or the pitch pin, and is configured to drive the wheel disc to perform intermittent indexing rotation;

Or, the intermittent indexing mechanism at least includes a wheel disc, a single-acting cam and a locking block elastically connected to the frame, and the end face of the wheel disc is evenly arranged with a plurality of pitches along its axial or radial extension The plurality of pitch pins are integrally formed with the wheel disc or tightly fitted on the wheel disc; or a pitch roller is installed on each pitch pin in an empty sleeve; it also includes a pivotal connection to the wheel disc. A single-acting indexing cam or pawl of the frame and a locking block resiliently connected to the frame, wherein the single-acting indexing cam or pawl is configured to toggle the pitch pin or pitch roller During the sub-rotational feeding, the locking block always has a tendency to be snapped between two adjacent pitch pins to lock the roulette;

Or, the intermittent indexing mechanism at least includes a wheel disc, a pawl and a locking block elastically connected to the frame, and evenly distributed ratchet teeth are arranged on the circumference of the wheel disc, and the pawl drives the The roulette rotates, and the locking block locks the roulette to realize the intermittent indexing movement of the roulette;

Alternatively, the intermittent indexing mechanism at least includes a wheel disc and an incomplete gear with only one tooth around it, and the inner circumference of the wheel disc is provided with alternately distributed incomplete inner tooth profiles and inner concave arcs, and the incomplete setting is not complete. The teeth of the gear mesh with the incomplete inner tooth profile of the wheel disc to drive the wheel disc to rotate, and the outer convex arc of the incomplete gear cooperates with the inner concave arc of the wheel disc to lock the wheel disc, so as to realize the Intermittent indexing movement of the roulette;

Or, the intermittent indexing mechanism at least includes a wheel disc, an incomplete gear with only one tooth around the periphery, and a locking block elastically connected to the frame, and the inner circumference of the wheel disc is provided with alternately evenly distributed incomplete gears. The inner tooth profile, the teeth of the incomplete gear mesh with the incomplete inner tooth profile of the wheel disc to drive the wheel disc to rotate, and a locking block elastically connected to the frame is also arranged to lock the wheel disc, so as to realize the wheel disc. Intermittent indexing movement of the disc;

Or, the intermittent indexing mechanism includes at least one wheel disc and one sheave mechanism, and the wheel disc is provided with alternately evenly distributed radial grooves and inner concave arcs, and a drive disc is provided outside the circumference of the wheel disc, A toggle pin and an outer convex arc are installed on the drive plate, the toggle pin on the drive plate engages with the groove of the wheel plate to drive the wheel plate to rotate, and the outer convex arc on the drive plate is connected to the wheel plate. The inner concave arc is matched to lock the wheel disc to realize the intermittent indexing movement of the wheel disc.

Further, the wheel disc is a hollow ring, configured to rotate and feed the cable tie; the wheel disc is supported by a plurality of centering wheels or bearings and can rotate around the axis of the wheel disc, and the fixed The spindle or bearing is mounted on the frame or on the housing.

Wherein, the wheel disc for intermittent indexing motion can transport one of the cable ties to a position between the symmetrical center plane of the cable tie and the feeding, distributing and pushing mechanism of the one type of cable tie tool in each binding cycle. the center planes are coplanar.

Further, radial positioning columns are evenly distributed on the circumference of the wheel disc, positioning holes are provided on the binding plate of the cable tie, and the positioning columns of the wheel disc are matched with the positioning holes of the cable tie;

Alternatively, radial positioning holes are evenly arranged on the upper circumferential surface of the wheel disc, and positioning posts are provided on the strap connecting plate of the one-piece cable tie, and the positioning posts are matched with the positioning holes.

Further, the outer circumferential surface of the wheel disc is provided with a profiling pit that matches the shape of the head of the cable tie, the number of the profiling pits is multiple, and each of the profiling pits is They are evenly distributed on the outer circumference of the roulette at a fixed pitch.

The slider mechanism includes a slider and a guide rail, the slider mechanism is arranged on the inner side of the circumference of the wheel disc, and the slider cooperates with the guide rail and slides along the length direction of the guide rail, except along the length of the guide rail. In addition to sliding in the length direction, the other 5 spatial degrees of freedom of the slider are constrained by the guide rails.

Further, both the slider and the guide rail are located inside the circumference of the wheel disc.

Further, the sliding block is provided with a guide groove in the vertical direction for installing the dividing knife.

Further, it also includes a motor, a reduction box, a swing arm, a connecting rod and a pin shaft. The motor drives the swing arm through the reduction box, the swing arm drives the connecting rod through the pin shaft, and the connecting rod drives the slider on the guide rail. slide.

The pushing mechanism includes: a pushing rod and a cam that drives the pushing rod to move. The working end of the pushing rod is installed on the outer circumference of the wheel disc, and the pushing rod divides the material. The knife pushes the cable tie separated from the cable tie connecting plate to the slider for pre-positioning, and the slider drives the cable tie to slide from the pre-positioning position to the binding working position.

The material distribution mechanism further includes a material distribution mechanism configured to separate each cable tie in the one-piece cable tie from the cable tie connecting plate in the one-piece cable tie, and the material distribution mechanism includes: A distributing knife, and a cam for driving the moving of the distributing knife, the distributing knife is installed on the sliding block.

Further, the distributing knife is installed on the slider, and a cam driven by a motor and a link mechanism are configured to drive the distributing knife to move up and down on the slider.

Further, protruding ribs are provided on the slider or/and the dividing knife, and are configured to clamp the head of the cable tie;

Alternatively, the slider is provided with a contoured recess matching the shape of the head of the cable tie, and is configured to clamp the head of the cable tie.

In addition to the above-mentioned intermittent indexing mechanism, material distribution mechanism, pushing mechanism, and slider mechanism, the automatic strapping tool also includes a guide claw mechanism, a tensioning wheel mechanism and a cutting knife, and the controller controls the intermittent indexing mechanism, Distributing mechanism, pushing mechanism, sliding block mechanism, tightening and cutting are performed in sequence according to time logic to complete a bundling cycle.

The automatic strapping method provided by the present invention comprises the following steps:

S1: Place the cable tie on the intermittent indexing mechanism, and the intermittent indexing mechanism acts to transport the cable tie to a place where the symmetrical center plane of the cable tie is coplanar with the center plane of the feeding, distributing, and pushing mechanism of a cable tie tool. position;

S2: The dividing knife moves to separate the cable tie that has moved in place in step S1 from the cable tie connecting plate of the one-piece cable tie;

S3: the action of the pusher rod, deduce the upper pre-positioning of the zip tie that is separated from the tie-tie connecting plate in step S2;

S4: The slider moves to drive the cable tie to slide from the pre-positioned position in step S3 to the binding working position. During the sliding process of the slider, the belt body of the cable tie is in the guide grooves in the first guide claw and the second guide claw Curl and rotate the first guide claw to pass the tail of the cable tie through the hole of the head of the cable tie;

S5: The tension wheel rotates to tighten the cable tie, and the cutting knife cuts off the tightened cable tie.

S6: The head of the cable tie exits the slider, and the slider retreats from the binding working position to the pre-positioning position along the guide rail.

The beneficial effects of the present invention are:

The material feeding, distributing and pushing mechanism of the tie tool provided by the invention realizes automatic bundling and improves the disadvantages of high labor intensity and low bundling efficiency in manual bundling operations;

The present invention provides a material feeding, distributing and pushing mechanism for a tie tool, which solves the problem of automatic bundling of various integral fixed ties with irregular head shapes;

The feeding, distributing and pushing mechanism of the tie tool provided by the invention is also suitable for the automatic bundling operation of the one-piece type common nylon tie with a regular head shape. great convenience;

In particular, the invention provides an all-electric feeding, distributing and pushing mechanism of a cable tie tool, which highlights electric drive and is convenient for high-altitude, field, and aircraft interior wire harness bundling, and other operating occasions that require safety requirements or are limited in space.

Description of drawings

1 is an axonometric view of a material feeding, dividing and pushing mechanism of a cable tie tool provided by an embodiment of the present invention;

Fig. 2 is the axonometric view of the embodiment of the present invention in the cable tie tool, with the casing removed;

Fig. 3 is the top view of the present invention;

Figure 4 is a front view, and is a cross-sectional view corresponding to Figure 3 A-A, wherein, the roulette just completes the indexing action, and the cam of the dividing knife is about to act on the top rod connecting rod of the dividing knife;

Fig. 5 is a cross-sectional view A-A corresponding to Fig. 3, wherein the cam of the distributing knife acts on the connecting rod of the distributing knife ejector rod, the ejecting rod of the distributing knife pushes the distributing knife upward, and the distributing knife pushes the cable tie from the cable tie connecting plate upper separation;

Fig. 6 is the A-A sectional view corresponding to Fig. 3, wherein, the push rod cam is about to act on the push rod connecting rod, the push rod pushes the tie and the dividing knife downward, and the tie is positioned in the slider;

Fig. 7 is the right side view corresponding to Fig. 4, Fig. 5, Fig. 6;

Fig. 8 is an axonometric view of the assembly of the guide rail, the slider and the distributing knife according to the embodiment of the present invention. Part of the ribs on the slider are integrated with the distributing knife, and the distributing knife can be placed in the guide rail in the direction of the arrow in the figure. slide up and down;

Fig. 9 is a rear view with reference to Fig. 4, the roulette is removed, and the linkage action mechanism of the indexing cam, the dividing knife, and the pushing rod is mainly shown, and the slider is at the pre-positioning position of the tie;

Fig. 10 is a rear view with reference to Fig. 4, the wheel disc is removed, and the linkage action mechanism of the indexing cam, the dividing knife, and the pushing rod is mainly shown, and the slider and the cable tie are sent to the bundling working position;

FIG. 11 is an axonometric view of the application of an embodiment of the present invention in an automatic cable tie tool;

FIG. 12 is a front view of the application of an embodiment of the present invention in an automatic cable tie tool;

Figure 13 is a top view of the application of the automatic cable tie tool corresponding to Figure 12;

Fig. 14 is a T-T sectional view corresponding to Fig. 13, wherein the push rod is retracted to the upper end, and the tie is positioned in the slider;

Fig. 15 is a T-T sectional view corresponding to Fig. 13, the second guide claw is closed, and the slider together with the cable tie is sent to the binding working position;

Fig. 16 is a T-T sectional view corresponding to Fig. 13, the first guide claw swings inwardly, and the tail of the tie is inserted into the hole of the head of the tie;

Figure 17 is a T-T sectional view corresponding to Figure 13, the tensioning wheel tightens the tie under the drive of the motor, the cutting knife cuts the tie under the drive of the motor, the second guide claw is opened, and the head of the tie is withdrawn from the slider;

Figure 18 is an alternative to the intermittent indexing mechanism shown in Figure 7, the cam toggles the pitch roller to drive the wheel, and the locking block locks the wheel;

Fig. 19 is an alternative scheme of the intermittent indexing mechanism shown in Fig. 7, the wheel disc is driven by the meshing of the incomplete gear with the inner tooth profile of the wheel disc, and the outer convex arc of the incomplete gear cooperates with the inner concave arc of the wheel disc to lock the wheel disc;

Fig. 20 is an axonometric view of the one-piece fixed cable ties with irregular head shapes such as aircraft noses, mushroom heads, and fir tree heads, cable ties with labels, and common cable ties with regular head shapes.

The A-A section and the T-T section in the figure are the symmetrical center plane of the automatic cable tie tool, the center plane of the feeding, distributing and pushing mechanism of the cable tie tool, and the symmetrical center plane of the cable tie that has entered the pre-positioning.

Reference numerals: 000, controller; 001, line; 1, slider; 104, rib; 100, motor; 11, trigger; 110, reduction box; 111, swing arm; 112, pin; 113, connecting rod ;114, pin; 117, trigger return spring; 118, trigger center shaft; 119, return spring; 2, guide rail; 20, cable tie; 201, cable tie head; 202, cable tie connecting plate; 203, positioning hole; 3. The first guide claw; 31. The central axis of the first guide claw; 30, The dividing knife; 302, The dividing knife ejector rod; 304, The pin shaft; ; 308, the cam of the dividing knife; 309, the return spring of the ejector rod of the dividing knife; 31, the rotating shaft of the first guide claw; 4, the second guide claw; 41, the central axis of the second guide claw; 5, the frame; Tightening wheel; 600, motor; 610, reduction box; 620, cycle control gear; 621, induction part; 622, sensor; 630, tensioning gear; 7, cutting knife; 8, intermittent indexing mechanism; 800, motor; 801 , wheel disc; 802, positioning column; 803, pitch roller; 804, indexing cam; 805, camshaft; 806, centering wheel; 807, profiling pit; 808, pitch pin; 809, locking block ;810, incomplete gear; 811, gear; 812, gear shaft; 813, gear box; 820, gear; 814, pin; 815, spring; 9, push rod; 903, pin; 904, push rod Connecting rod; 905, connecting rod central axis; 906, cam roller; 907, camshaft; 908, push rod cam; 909, push rod return spring; 10, housing; 12, waste box; 121, waste box Door panel; 122. Door panel shaft.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

Please refer to FIG. 1 and FIG. 2. In this embodiment, FIG. 2 is an axonometric view of the present invention applied to an automatic cable tie tool. The housing is removed. As shown in FIG. 2, the motor 800 passes through the gear 820, and then passes through the gear. The box 813 is output to the gear shaft 812. FIG. 1 is an axonometric view of the present invention. The motor 800, the gear 820 and the gear box 813 are omitted. As shown in FIG. It is a linkage mechanism driven by a motor 800. The gear shaft 812 is the output shaft of the gear box 813. The gear shaft 812 transmits the power to the double-acting indexing cam 804 and the cam shaft 907 through the gear 820. The material rod cam 908 is fixed coaxially with the camshaft 907, and both the feeder ejector rod connecting rod 305 and the material pushing rod connecting rod 904 can rotate around the axis of the connecting rod central axis 905; The axes are arranged vertically in space but do not intersect, and the wheel disc 801 rotates one pitch every time the double-acting cam 804 rotates, and the rotation of the double-acting cam 804 makes the wheel disc 801 perform intermittent indexing motion; The frame 5 is installed on the housing 10 of the automatic strapping tool; in this embodiment, the intermittent indexing mechanism 8 mainly includes a wheel disc 801 and an intermittent indexing mechanism (in this embodiment, the indexing mechanism is an indexing cam 804); the material distribution mechanism mainly includes a material distribution knife cam 308 and a material distribution knife 30; the material pushing mechanism mainly includes a material push rod cam 908 and a material push rod 9.

Please continue to refer to FIG. 1 and FIG. 2 , the intermittent indexing mechanism at least includes a wheel disc 801 for intermittent indexing motion, and the wheel disc 801 is a hollow ring configured to rotate and feed the cable tie; The wheel disc 801 is supported by a plurality of centering wheels 806 (not shown in FIG. 1 ) or bearings that can rotate around the axis of the wheel disc 801 , and the centering wheels 806 or bearings are installed on the frame or on the housing ;

Further, please continue to refer to FIG. 1, FIG. 2, and FIG. 11, radial positioning posts 802 are evenly arranged on the circumference of the wheel disc 801, and positioning holes 203 are provided on the strap connecting plate 202 of the cable tie, The positioning column 802 of the wheel disc 801 is matched with the positioning hole 203 of the cable tie connecting plate 202;

Alternatively, radial positioning holes are evenly provided on the circumferential surface of the wheel disc 801, and positioning posts are provided on the strap connecting plate 202 of the one-piece cable tie, and the positioning posts are matched with the positioning holes;

Further, please continue to refer to FIG. 1 and FIG. 2 , the outer circumferential surface of the wheel disc 801 is provided with a profiling pit 807 that matches the shape of the head of the cable tie. The number is multiple, and each of the profiling pits 807 is evenly distributed on the outer circumference of the wheel disc 801 at a fixed pitch.

Further, please continue to refer to FIG. 1 and FIG. 2 , the end surface of the wheel disc 801 extends with a plurality of pitch pins 808 along its axial direction, and the plurality of pitch pins 808 are evenly distributed on the end surface of the wheel disc 801 , so The plurality of pitch pins 808 are integrally formed with the wheel disc 801 or mounted on the wheel disc 801 in a tight fit. A double-acting indexing cam 804 is pivotally connected to the end surface of the wheel disc 801 , the pitch roller 803 or the pitch pin 808 is installed in the groove of the double-acting cam 804 , and the pitch roller 803 Or the outer peripheral surface of the pitch pin 808 is in contact with both sides of the groove of the double-acting cam 804, and the two sides of the groove of the double-acting cam 804 have the function of driving or locking the wheel disc 801, driving the wheel The disc 801 is rotated intermittently;

Please continue to refer to FIGS. 3 to 7 . In this embodiment, FIG. 3 is a top view of the present invention, and FIGS. 4 to 6 show the indexing action of the roulette 801 , the upward movement of the dividing knife 30 to separate the ties and the pushing action. The action process of the rod 9 pressing down the cable tie 20 and the dividing knife 30 is carried out in sequence according to the time logic;

In FIG. 4 , the double-acting cam 804 has just completed the indexing action of the wheel disc 801 . At this time, the gear 820 drives the double-action cam 804 to continue to rotate and the wheel disc 801 is locked by the double-action cam 804 ; Driven by the 820, the rising edge of the cam 308 of the driving distributing knife acts on the cam roller 307, so that the distributing knife ejector connecting rod 305 rotates clockwise around the central axis 905 of the connecting rod, and the distributing knife ejecting rod connecting rod 305 passes through the pin The shaft 304 drives the distributing knife ejector rod 302 to move upward, and the distributing knife ejector rod 302 drives the distributing knife 30 upward to slide upward in the slider 1 to separate the cable tie 20 from the cable tie connecting plate 202;

In FIG. 5, the dividing knife 30 has cut and separated the cable tie 20 from the cable tie connecting plate 202. At this time, the gear 820 drives the double-acting cam 804 to continue to rotate and the wheel 801 is locked by the double-acting cam 804; the camshaft 907 Driven by the gear 820, the rising edge of the push rod cam 908 is driven to act on the cam roller 906, so that the push rod connecting rod 904 rotates counterclockwise around the central axis 905 of the connecting rod, and the push rod connecting rod 904 passes through the pin shaft 903. The push rod 9 is driven to move downward, and the push rod 9 presses the cut tie 20 to the bottom plate of the horizontal section of the L-shaped dividing knife 30. At this time, the falling edge of the dividing knife cam 308 and the cam roller 307 Contact, the dividing knife ejector rod return spring 309 pulls the dividing knife ejector rod 302 downward to reset;

In FIG. 6 , the push rod 9 pushes the cut tie 20 and the dividing knife 30 downward together into the slider 1 for positioning. At this time, the gear 820 drives the double-acting cam 804 to continue to rotate and the wheel 801 is double-acted. The cam 804 is locked, the cam shaft 907 is driven by the gear 820 to drive the falling edge of the push rod cam 908 to contact the cam roller 906, and the push rod return spring 909 pulls the push rod 9 upward to reset;

It should be noted that, in this embodiment, because the dividing knife cam 308 and the pushing rod cam 908 are both single-acting cams, it is necessary to set the dividing knife top rod return spring 309 and the pushing rod return spring 909 to separate the material respectively. The knife ejector rod 302 and the push rod 9 are pulled back to their original positions.

FIG. 7 is a right side view corresponding to FIG. 4 , FIG. 5 , and FIG. 6 .

Please continue to refer to FIGS. 8 , 9 and 10 . In this embodiment, FIG. 8 shows: the slider 1 , the guide rail 2 , the dividing knife 30 , the cable tie 20 , the swing arm 111 and the pin shaft that drive the slider 1 . 112. Axonometric view of the assembly relationship of connecting rod 113 and pin 114; Figures 9 and 10 are rear views with reference to Figure 4; in Figure 8, the slider mechanism mainly includes: slider 1 and guide rail 2, and also Including: motor 100, reduction box 110, swing arm 111, pin 112, connecting rod 113, pin 114, the slider 1 and the guide rail 2 are matched with rectangular grooves, and the slider 1 can slide along the length of the guide rail 2. , the other five spatial degrees of freedom of the slider 1 are constrained by the guide rail 2. The motor 100 drives the swing arm 111, the pin shaft 112, the connecting rod 113 and the pin shaft 114 through the reduction box 110 to drive the slider 1 to slide on the guide rail 2. The slider 1 is also provided with a vertical rectangular guide groove, the dividing knife 30 is L-shaped, the vertical section of the dividing knife 30 is matched with the rectangular guide groove in the vertical direction of the slider 1, and the dividing knife 30 can follow the sliding. The block 1 slides together, and can also slide up and down along the rectangular guide groove in the vertical direction of the slider 1. The position shown in FIG. 9 is that the slider 1 is in the pre-positioning position of the cable tie, and the ejector rod 302 of the dividing knife and the push rod 9 are reset. After that, the motor 100 drives the swing arm 111 to rotate counterclockwise as shown in the figure. The swing arm 111 drives the connecting rod 113 through the pin shaft 112, and the connecting rod 113 drives the slider 1 and the cable tie 20 from the pre-positioned position along the guide rail 2 through the pin shaft 114. Slide to the strapping working position; the position shown in Figure 10 is that the slider 1 is in the strapping working position. After the strapping is completed, the strap head 201 is withdrawn from the slider 1, and the motor 100 drives the swing arm 111 to rotate clockwise as shown in the figure , the swing arm 111 drives the connecting rod 113 through the pin shaft 112, and the connecting rod 113 drives the slider 1 to slide from the binding working position along the guide rail 2 to the pre-positioning position through the pin shaft 114; the push rod 9 is installed on the frame 5 through the sliding guide rail Or on the housing 10 of the feeding, dividing and pushing mechanism of a cable tie tool; or the dividing knife 30 is installed on the pushing rod 9 and moves up and down with the pushing rod 9; the dividing knife 30 is installed on the slider 1, the distributing knife 30 slides up and down on the slider 1, the distributing knife 30 moves with the slider 1, and the distributing knife 30 and the slider 1 are provided with ribs 104 for clamping. live tie head 201,

Please continue to refer to FIG. 8 , the dividing knife is set to be L-shaped (in FIG. 8 , the two lead lines refer to the vertical part and the horizontal section of the L-shaped respectively), among the four ribs 104 , two of the ribs 104 follow the sliding The block 1 is made into one piece; another two convex ribs 104 are made on the horizontal section of the L-shaped dividing knife 30;

Alternatively, the four protruding ribs 104 are integrated with the dividing knife 30, and can slide up and down in the slider 1 together with the dividing knife 30 in the direction indicated by the arrow in FIG. 8;

Alternatively, the four protruding ribs 104 are integrated with the slider 1;

In addition, in this embodiment, the above-mentioned structural form in which convex ribs are arranged on the slider 1 or/and the dividing knife 30 to position the head of the cable tie 20 may be adopted, but it is not limited to this, and other arrangements may also be adopted. In the form of, for example, a contoured dimple matching the shape of the head of the cable tie 20 is provided on the slider 1 or the dividing knife 30 . Therefore, as long as this structure is used, the positioning of the head of the cable tie 20 can be realized.

Please continue to refer to FIG. 11 , FIG. 12 and FIG. 13 . In this embodiment, FIG. 11 is an axonometric view of an integrated fixed cable tie that is loaded by an automatic cable tie tool, and FIG. 12 is a front view of the automatic cable tie tool. 13 is a front view corresponding to FIG. 12 .

Please continue to refer to FIGS. 14 to 17 . In this embodiment, FIGS. 14 to 17 are A-A sectional views. As shown in FIG. 14 , the second guide claw 4 is in an open state, and the tie 20 is positioned in the slider 1 and is in a predetermined position. As shown in FIG. 15 , when the trigger 11 is pulled, the second guide claw 4 rotates around the center pin 41 of the second guide claw to close with the first guide claw 3 , and the motor 100 drives the swing arm 111 as shown in FIG. 14 . Rotate counterclockwise, the swing arm 111 drives the connecting rod 113 through the pin shaft 112, and the connecting rod 113 drives the slider 1 through the pin shaft 114 to drive the strap 20 to slide from the right end of the guide rail 2 to the left end, that is, from the pre-positioning position to the binding working position. , during the sliding process of the slider 1, the belt body of the tie 20 is curled in the guide grooves in the first guide claw 3 and the second guide claw 4; as shown in FIG. 16, the first guide claw 3 is in the motor 600. Under the driving of the motor 600, it rotates around the central axis 31 of the first guide claw to pass the tail of the cable tie 20 through the hole of the cable tie head 201. The tension wheel 6 rotates under the driving of the motor 600 to tighten the cable tie 20. Driven by the motor 600, the tensioned cable tie 20 is cut off, and the binding is completed; as shown in FIG. The motor 100 drives the swing arm 111 to rotate clockwise as shown in FIG. 17 , the swing arm 111 drives the connecting rod 113 through the pin shaft 112 , and the connecting rod 113 drives the slider 1 to return to the pre-positioning position of the cable tie through the pin shaft 114 , which is the lower part. Prepare for a strapping cycle;

Summarizing the above action process, a bundling cycle that acts in a time-logical sequence includes:

S1. Place the cable tie on the intermittent wheel disc 801, and the intermittent indexing motion of the wheel disc 801 sends the conjoined cable tie 20 to the top of the distributing knife;

S2. The dividing knife 30 moves upward to separate the tie 20 from the tie connecting plate 202;

S3. The push rod 9 pushes the separated cable tie 20 downward into the slider 1 for positioning;

S4. The slider moves to drive the cable tie to slide from the pre-positioned position in step S3 to the binding working position. During the sliding process of the slider, the belt body of the cable tie is in the first guide claw 3 and the second guide claw 4. The guide groove is curled, and the first guide claw 3 is rotated to pass the tail of the cable tie through the hole of the head of the cable tie;

S5: The tension wheel 6 rotates to tighten the cable tie, and the cutting knife cuts off the tightened cable tie;

S6: The head of the cable tie exits the slider, and the slider retreats from the binding working position to the pre-positioning position along the guide rail.

Please continue to refer to FIG. 18. This embodiment is an alternative design scheme of the structure shown in FIG. 1. As shown in FIG. 18, the wheel disc 801 is mounted on the bracket 5 by a plurality of centering wheels 806 or a plurality of bearings. The end face of the wheel disc 801 is extended with a plurality of pitch pins 808 along its axial direction, the plurality of pitch pins 808 are evenly distributed on the end face of the wheel disc 801, and the plurality of pitch pins 808 are formed with the wheel disc. It is integrally or tightly fitted on the wheel disc 801. In order to reduce friction, or install the pitch roller 803 on each pitch pin 808, a single-acting cam 804 and a dividing knife cam are arranged inside the wheel disc 801. 308 and the push rod cam 908, the single-acting cam 804 is driven by the gear 820, the gear 820 also drives the other two gears 820, the dividing knife cam 308 and the push rod cam 908 are respectively coaxially and fixedly connected with the gear 820, and the power passes through the gears. 820 is respectively transmitted to the single-acting indexing cam 804, the dividing knife cam 308 and the pushing rod cam 908. The single-acting cam 804 acts on the pitch roller 803, and the single-acting cam 804 rotates the dial 801 every time it rotates. With an indexing pitch, the locking block 809 is wedge-shaped, and the locking block 809 is also arranged on the inner side of the circumference of the wheel disc 801. The locking block 809 is idle on the pin shaft 814 and can rotate around the pin shaft 814. The spring 815 always keeps the locking block 809 in the direction. The outer circumference of the wheel disc 801 is pushed out. Under the action of the spring force, the locking block 809 always has a tendency to be stuck between the two adjacent pitch pins, locking the indexed wheel disc 801. In the locked state, the cam 804 continues to rotate. Sequentially, the rising edge of the dividing knife cam 308 causes the dividing knife ejector rod 302 to rise. When the dividing knife 30 reaches the highest position and has connected the strap 20 to the strap After 202 is separated, the rising edge of the push rod cam 908 starts to act to make the push rod 9 move downward, and push the cable tie head 201 into the slider 1 for positioning; in this embodiment, the intermittent indexing mechanism 8 includes: At least one wheel 801, one single-acting cam 804 and one locking block 809 elastically pivoted to the frame.

It should be noted that, in the embodiment shown in FIG. 18 , because the dividing knife cam 308 and the pushing rod cam 908 are both single-acting cams, it is necessary to set the dividing knife top rod return spring 309 and the push rod return spring 909 Pull the ejector rod 302 of the distributing knife and the push rod 9 back to their original positions respectively.

It should also be noted that the structure shown in FIG. 18 is similar to the working principle of the ratchet pawl, that is, the intermittent indexing mechanism 8 may include: at least one wheel disc 801 and a ratchet pawl mechanism.

Please continue to refer to FIG. 19 , this embodiment is also another alternative design scheme of the structure shown in FIG. 1 , using incomplete gear meshing instead of the cam to drive the wheel disc 801 to perform intermittent indexing motion, and the incomplete gear 810 is arranged on the circumference of the wheel disc 801 . On the inner side, the circumference of the incomplete gear 810 has only one tooth and an outer convex arc segment. The inner circumference of the wheel disc 801 is provided with a plurality of uniformly distributed inner tooth profiles that can mesh with the teeth of the incomplete gear 810. 801 is also provided with a plurality of evenly distributed inner concave arc surfaces that can cooperate with the arc segments of the incomplete gear 810. The incomplete gear 810 is driven by the gear 820, and the gear 820 also drives the other two gears 820. The knife cam 308 and the push rod cam 908 are respectively coaxially and fixedly connected with the gear 820; the power is transmitted to the single incomplete gear 810, the dividing knife cam 308 and the push rod cam 908 respectively through the gear 820. When the incomplete gear 810 When the teeth are engaged with the inner tooth profile of the wheel disc 801, the outer convex arc section of the incomplete gear 810 is out of contact with the inner concave arc surface of the wheel disc 801, and the wheel disc 801 is in the indexing position. In the motion state, when the teeth of the incomplete gear 810 are just disengaged from the (incomplete) inner tooth profile on the wheel disc 801 , the convex arc-shaped segment of the incomplete gear 810 is in contact with the wheel disc 801 . The inner concave arc surface of the feeder remains in contact, the wheel disc 801 is in a locked state, and the incomplete gear 810 continues to rotate. After the knife 30 reaches the highest position and has separated the cable tie 20 from the cable tie connecting plate 202, the rising edge of the push rod cam 908 starts to act on the cam roller 906 to move the push rod 9 downward, and the head 201 of the cable tie is moved downward. Push into the slider 1 for positioning; this embodiment proves that the intermittent indexing mechanism at least includes a wheel disc 801 and an incomplete gear 810 with only one tooth around it.

It should be noted that, in the embodiment shown in FIG. 19 , because the dividing knife cam 308 and the pushing rod cam 908 are both single-acting cams, it is necessary to set the dividing knife top rod return spring 309 and the push rod return spring 909 Pull the ejector rod 302 of the distributing knife and the push rod 9 back to their original positions respectively.

Further, or, in the embodiment shown in FIG. 19 , the inner concave arc on the wheel disc 801 is canceled, and the outer convex arc on the incomplete gear 810 is canceled, and the locking block 809 in the embodiment shown in FIG. 18 is added. That is, the intermittent indexing mechanism is formed by the combination of the wheel disc 801, the incomplete gear mechanism and the locking block 809. This embodiment shows that the intermittent indexing mechanism at least includes a wheel disc 801, an incomplete gear with only one tooth on the periphery 810 and a locking block 809 elastically pivoted to the frame.

It should also be noted that: the working principle of the incomplete gear indexing mechanism shown in FIG. 19 is similar to that of the sheave mechanism, that is, a driving disk is arranged outside the circumference of the wheel disk 801, and a dial pin and an outer ring are installed on the driving disk. A convex arc, alternately distributed radial grooves and inner concave arcs are arranged on the wheel disc 801, the dial pin on the driving disc meshes with the groove of the wheel disc 801 to drive the wheel disc 801 to rotate, and the The outer convex arc on the drive disc cooperates with the inner concave arc of the wheel disc 801 to lock the wheel disc 801 to realize the intermittent indexing motion of the wheel disc 801; it should be noted that the incomplete gear mechanism shown in FIG. 19 Compared with the sheave mechanism, the space required is small, and the structure is compact; this embodiment illustrates that the intermittent indexing mechanism at least includes a wheel disc 801 and a sheave mechanism.

Please continue to refer to FIG. 2 , in this embodiment, the first guide claw 3 , the tensioning wheel 6 , and the cutting knife 7 are all driven by the motor 600 to drive the reduction box 610 , and the reduction box 610 drives the period control gear 620 , and the period control The gear 620 drives the tensioning gear 630, and the tensioning gear 630 is coaxially and fixedly connected with one of the wheels of the tensioning wheel 6. There is an induction part 621 on the period control gear 620, and the period control gear 620 The sensor 622 is arranged adjacent to the end face of the sensor 622. When the sensor 622 detects the sensing part 621, it sends a signal to make the motor 600 stop running. and the cutting knife 7 moves at least once; the slider 1 is driven by the motor 100 to drive the reduction box 110 to drive the swing arm 111 to swing, the swing arm 111 drives the connecting rod 113 through the pin shaft 112, and the connecting rod 113 drives the slider 1 along the guide rail 2 through the pin shaft 114 Slide reciprocatingly at the pre-positioning position (right end in Figure 2) and the bundling working position (left end in Figure 2) (before bundling, the slider 1 sends the strap to the bundling position, and the slider 1 returns to the pre-positioning position after the bundling is completed); As shown in FIG. 2 , the intermittent indexing mechanism 8 , the pushing rod 9 , and the dividing knife 30 are linkage mechanisms driven by a motor 800 through a reduction box 810 . The controller 000 controls the motor 800 , the motor 100 and the motor 600 to press The time logic starts or stops in sequence, and at any time in a strapping cycle, only one of the motor 800 , the motor 100 and the motor 600 is rotating.

Please continue to refer to FIG. 20. In this embodiment, the one-piece fixed cable ties with irregular head shapes such as aircraft noses, mushroom heads, and fir tree heads, labelled cable ties, and ordinary cable ties with regular head shapes are shown. As long as the protruding ribs 104 or the profiling pits are reasonably arranged on the slider 1 or/and the distributing knife 30 according to the specific shape of the head of the cable tie, the present invention can fix the integrated cable ties, Or labelled cable ties, or ordinary cable ties with regular head shape to achieve automatic binding.

Based on the disclosure and teaching of the above specification, those skilled in the art to which the present invention pertains can also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present invention.

Industrial Applicability

The material feeding, distributing and pushing mechanism of the cable tie tool provided by the present invention realizes the automatic strapping of the strapping, and improves the disadvantages of high labor intensity and low strapping efficiency in the manual strapping operation. Moreover, the present invention provides an all-electric design It is convenient for the automatic strapping tool to operate at high altitude or in the field. The present invention is especially designed for the automatic strapping of bulk or conjoined one-piece fixed straps or straps with labels with different head shapes. It is also suitable for the automatic strapping operation of bulk or one-piece ordinary cable ties with regular head shape. The degree of generalization is high, which brings great convenience to the strapping operation.

Claims (11)

1. A material feeding, dividing and pushing mechanism of a tie tool, characterized in that: comprising an intermittent indexing mechanism, a material dividing mechanism, a pushing mechanism, and a slider mechanism; the intermittent indexing mechanism comprises at least one wheel, The wheel disc is installed on the frame or the housing through bearings or rollers; the pushing mechanism includes at least a pushing rod installed on the outer circumference of the wheel disc; the intermittent indexing mechanism, the material distribution mechanism, The pushing mechanism and the sliding block mechanism are controlled by the controller to act in sequence according to time logic, and the intermittent indexing mechanism, the material dividing mechanism and the pushing mechanism are driven by a motor to act in sequence. 2. The material feeding, distributing and pushing mechanism of a cable tie tool according to claim 1, wherein the intermittent indexing mechanism at least comprises a wheel disc and a double-acting cam, and the end face of the wheel disc is along its axis A plurality of pitch pins are evenly arranged extending in the radial direction, and the plurality of pitch pins are integrally formed with the wheel disc or tightly fitted on the wheel disc; or an empty sleeve is placed on each pitch pin A pitch roller is installed; a double-acting indexing cam is also pivotally connected to the axial or radial direction of the wheel disc, and the groove of the indexing cam is in contact with the outer peripheral surface of the pitch roller or the pitch pin, is configured to drive the roulette to do intermittent indexing rotation; Or, the intermittent indexing mechanism at least includes a wheel disc, a single-acting cam and a locking block elastically pivoted to the frame, and the end face of the wheel disc is evenly arranged along its axial or radial extension. Pitch pins, the plurality of pitch pins are integrally formed with the wheel disc or tightly fitted on the wheel disc; or a pitch roller is installed on each pitch pin in an empty sleeve; further comprising a pivot A single-acting indexing cam or pawl connected to the frame and a locking block elastically connected to the frame, wherein the single-acting indexing cam or pawl is configured to toggle the pitch pin or pawl When the distance roller is rotated and fed, the locking block always has a tendency to be stuck between two adjacent pitch pins, so as to lock the wheel disc; Alternatively, the intermittent indexing mechanism at least includes a wheel disc, a pawl and a locking block elastically connected to the frame, and evenly distributed ratchet teeth are arranged on the circumference of the wheel disc, and the pawl drives the The roulette rotates, and the locking block locks the roulette to realize the intermittent indexing movement of the roulette; Alternatively, the intermittent indexing mechanism at least includes a wheel disc and an incomplete gear with only one tooth around it, and the inner circumference of the wheel disc is provided with alternately distributed incomplete inner tooth profiles and inner concave arcs, and the incomplete setting is not complete. The teeth of the gear mesh with the incomplete inner tooth profile of the wheel disc to drive the wheel disc to rotate, and the outer convex arc of the incomplete gear cooperates with the inner concave arc of the wheel disc to lock the wheel disc, so as to realize the Intermittent indexing movement of the roulette; Alternatively, the intermittent indexing mechanism at least includes a wheel disc, an incomplete gear with only one tooth on the periphery, and a locking block elastically connected to the frame. Complete internal tooth profile, the teeth of the incomplete gear mesh with the incomplete internal tooth profile of the wheel disc to drive the wheel disc to rotate, and a locking block elastically connected to the frame is also configured to lock the wheel disc, so as to realize the Intermittent indexing movement of the roulette; Or, the intermittent indexing mechanism includes at least one wheel disc and one sheave mechanism, and the wheel disc is provided with alternately evenly distributed radial grooves and inner concave arcs, and a drive disc is provided outside the circumference of the wheel disc, A toggle pin and an outer convex arc are installed on the drive plate, the toggle pin on the drive plate engages with the groove of the wheel plate to drive the wheel plate to rotate, and the outer convex arc on the drive plate is connected to the wheel plate. The inner concave arc is matched to lock the wheel disc to realize the intermittent indexing movement of the wheel disc. 3. The feeding, distributing and pushing mechanism of a cable tie tool according to claim 2, wherein the wheel disc is a hollow annular shape, and the wheel disc is mounted on the machine by a plurality of centering wheels or bearings. On the frame, it is configured so that the wheel disc can be indexed and rotated around its axis. 4. The material feeding, distributing and pushing mechanism of a cable tie tool according to claim 2, characterized in that: radial positioning columns or radial positioning holes are evenly arranged on the circumferential surface of the wheel disc; Or the circumference of the wheel disc is provided with positioning ribs or positioning grooves. 5 . The feeding, distributing and pushing mechanism of a cable tie tool according to claim 2 , wherein: the outer circumference of the wheel disc is evenly provided with a plurality of shapes corresponding to the head shape of the cable tie. 6 . Matching profiling dimples. 6 . The material feeding, distributing and pushing mechanism of a cable tie tool according to claim 1 , wherein the sliding block mechanism comprises a sliding block and a guide rail, and the sliding block mechanism is arranged on the circumference of the wheel disc. 7 . On the inner side, the slider cooperates with the guide rail and slides along the length direction of the guide rail. Except for sliding along the length direction of the guide rail, the other five spatial degrees of freedom of the slider are constrained by the guide rail. The length of the guide rail The directions are arranged parallel to the axial direction of the wheel. 7 . The material feeding, distributing and pushing mechanism of a cable tie tool according to claim 6 , wherein the sliding block is provided with a guide groove in the vertical direction. 8 . 8 . The material feeding, distributing and pushing mechanism of a cable tie tool according to claim 6 , wherein: the slider is provided with a positioning rib to clamp the head of the cable tie; The dimple with the head profile catches the head of the cable tie. 9 . The feeding, dividing and pushing mechanism of a cable tie tool according to claim 1 , wherein the feeding mechanism at least comprises a cam and a dividing knife, and the dividing knife is L-shaped, 10 . The cam drives the distributing knife to slide in the guide groove in the vertical direction of the slider; Alternatively, the dividing knife is installed on the pushing rod. 10 . The feeding, distributing and pushing mechanism of a cable tie tool according to claim 9 , wherein the L-shaped horizontal section of the distributing knife is provided with raised ribs or profiling pits to be stuck and tied. 11 . with head. 11. The material feeding, dividing and pushing mechanism of a cable tie tool according to claim 1, wherein the intermittent indexing mechanism, the material dividing mechanism, the pushing mechanism and the sliding block mechanism are all driven by electric power .

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