Ribbon strapping device with position-adjustable cut-off tool

Abstract

The utility model relates to a tie strapping device with an adjustable position of a cut-off tool, which comprises a tensioning and cutting module, the tensioning and cutting module comprises a tensioning mechanism and a cut-off tool, the tensioning mechanism is used for receiving and stretching the tail of a tie strapped on a fixed strapped piece, the cut-off tool is used for cutting off the tail of the tie, and the cut-off tool is used for cutting off the tail of the tie. The device further comprises a sliding seat and a cutter position adjusting mechanism, the sliding seat is fixed, the tensioning and cutting module is connected to the sliding seat in a sliding mode, and the cutter position adjusting mechanism is used for driving the tensioning and cutting module to slide relative to the sliding seat, so that the position of a cutter on the tensioning and cutting module is adjusted. According to the cable tie binding device, the cutting position of the cutting knife can be adaptively adjusted when the cable tie binding device faces cable ties with different length specifications, namely the length of the cut cable tie is adjusted, even if the lengths of the cable ties are different, the cable ties can be cut to the proper length, and the applicability and the flexibility of the cable tie binding device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic binding equipment, concretely relates to a kind of ribbon binding device of cutting knife position adjustable. BACKGROUND

[0002] The utility model quotes the Chinese patent CN220483660U, CN220640344U of applicant as reference.

[0003] Prior art CN220483660U discloses a ribbon binding device, which can be applied in the wiring harness automatic binding equipment provided by prior art CN220640344U to perform automatic binding operation of ribbon, wherein the ribbon binding device includes a tensioning part and a cutting knife, the tensioning part is configured as a pair of clamping wheels in CN220483660U, after the ribbon is bound on a fixed and immovable bound object, the tensioning part clamps and stretches the tail of the ribbon, as the tail of the ribbon is continuously stretched, the ribbon is bound tighter and tighter, and after the ribbon is stretched by the tensioning part, the tail of the ribbon is cut by the cutting knife. In the prior art, the distance between the cutting knife and the ribbon cannot be adjusted, that is, the cutting position of the cutting knife cannot be adjusted, so the cutting knife cannot adaptively adjust the length of the cut ribbon when facing ribbons of different length specifications. If different cutting knives are selected to adapt to ribbons of different length specifications, the process of disassembling and assembling the cutting knife is more troublesome, resulting in insufficient flexibility of the ribbon binding device. SUMMARY

[0004] In view of the above problems, the utility model provides a ribbon binding device with adjustable cutting knife position.

[0005] The utility model adopts the following technical solutions:

[0006] The utility model provides a ribbon binding device with adjustable cutting knife position, which includes a tensioning and cutting module, the tensioning and cutting module includes a tensioning mechanism and a cutting knife, the tensioning mechanism is used to receive and stretch the tail of the ribbon bound on a fixed and immovable bound object, the cutting knife is used to cut the tail of the ribbon, and the ribbon binding device further includes a sliding seat and a cutting knife position adjusting mechanism, the sliding seat is fixedly arranged, the tensioning and cutting module is slidably connected to the sliding seat, and the cutting knife position adjusting mechanism is used to drive the tensioning and cutting module to slide relative to the sliding seat, so as to adjust the position of the cutting knife on the tensioning and cutting module.

[0007] Preferably, the direction in which the cutting knife position adjusting mechanism drives the tensioning and cutting module to slide relative to the sliding seat is the same as the direction of the tensioning force of the tensioning mechanism when stretching the ribbon.

[0008] Preferably, the over-travel detector is triggered by the relative displacement of the tensioning cutting-off module and the sliding seat, and is used to detect whether the position adjustment of the cutting knife position adjustment mechanism to the tensioning cutting-off module is within the allowable travel range.

[0009] Preferably, the over-travel detector comprises a pair of sensors fixed on the tensioning cutting-off module and a blocking part fixed on the sliding seat, and the sliding of the tensioning cutting-off module relative to the sliding seat can trigger the blocking part to block or not to block the pair of sensors.

[0010] Preferably, the cutting knife position adjustment mechanism comprises a self-locking motor fixedly connected to the tensioning cutting-off module, a gear hub connected to an output shaft of the self-locking motor, and a rack fixedly arranged on the sliding seat and engaged with the gear.

[0011] Preferably, the tensioning mechanism comprises two clamping wheels rotating in opposite directions.

[0012] Preferably, the cutting knife comprises a movable blade and a fixed blade arranged oppositely, and the cutting of the cable tie is formed by the movement of the movable blade to the fixed blade.

[0013] The cable tie bundling device of the utility model can adaptively adjust the cutting position of the cutting knife when facing cable ties of different length specifications, that is, adjust the length of the cut cable tie, even if the length of the cable tie is different, it can also be cut to the appropriate length, and the applicability and flexibility of the cable tie bundling device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective view of the cable tie bundling device with adjustable cutting knife position in the embodiment (angle one);

[0015] Figure 2 is an exploded view of the tensioning cutting-off module and the sliding seat in the embodiment;

[0016] Figure 3 is a perspective view of the cable tie bundling device with adjustable cutting knife position in the embodiment (angle two);

[0017] Figure 4 is a schematic view of the tensioning mechanism and the speed reduction wheel train of the tensioning cutting-off module in the embodiment, which are shown in a separated form;

[0018] Figure 5 is a schematic view of a variant of the tensioning mechanism in the embodiment. DETAILED DESCRIPTION

[0019] To further illustrate the embodiments, the present application provides the accompanying drawings. These drawings are part of the disclosure of the present application, which are mainly used to illustrate the embodiments, and can be combined with the related description of the specification to explain the operating principle of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementations and the advantages of the present application. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0020] The present application will be further described in conjunction with the drawings and specific embodiments.

[0021] Referring to Figures 1-4 As shown in the drawings, as a preferred embodiment of the present application, a strapping device with adjustable cutting knife position is provided, which comprises a tensioning and cutting module 1 and a sliding seat 2. The tensioning and cutting module 1 comprises a tensioning mechanism 5 and a cutting knife 9. The tensioning mechanism 5 is used to receive and stretch the tail of the strapping that has been strapped on a fixed and immovable strapping object. The cutting knife 9 is used to cut the tail of the strapping.

[0022] In this embodiment, the tensioning mechanism 5 is two clamping wheels rotating in opposite directions. The first motor 4 is drivingly connected to the tensioning mechanism 5, and the rotation of the tensioning mechanism 5 is driven and controlled by the first motor 4. When the tensioning mechanism 5 rotates, it can tension the tail of the strapping that extends between the two clamping wheels, thereby realizing automatic strapping tensioning. A speed reduction gear train 6 can be drivingly connected between the first motor 4 and the tensioning mechanism 5, which reduces the rotation speed and increases the torque.

[0023] The tensioning mechanism 5 can be replaced by other mechanisms in other embodiments, for example, the tensioning mechanism 5 can also be replaced by a mechanical gripper structure that can grab and pull the strapping. For another example, Figure 5 A variant of the tensioning mechanism 5 of this embodiment is shown. In this variant, the tensioning mechanism comprises a first clamping block 5A and a second clamping block 5B. The first clamping block 5A is slidingly connected to the first slide rail 101, and the second clamping block 5B is slidingly connected to the second slide rail 102. The first clamping block 5A and the second clamping block 5B are driven by a driving device (such as a motor or an air cylinder) to move synchronously along the respective slide rails. When the first clamping block 5A and the second clamping block 5B slide on the inclined sections of the slide rails, they can approach each other to clamp the tail of the strapping. When the first clamping block 5A and the second clamping block 5B slide on the vertical sections of the slide rails, they can pull the tail of the strapping. However, the tensioning mechanism 5 with two clamping wheels in this embodiment can be more conducive to the guidance and reception of the strapping, and occupies less space.

[0024] The cutting knife 9 in the embodiment comprises a movable blade and a fixed blade arranged oppositely, the movable blade is controlled to move by a driving device (such as a motor, a pneumatic cylinder), when the movable blade moves to the fixed blade, the cutting of the binding tape is formed. The cutting knife 9 in other embodiments can be replaced by other mechanisms, such as a rotary cutting mechanism of scissors type or a laser cutting mechanism.

[0025] The sliding seat 2 is fixedly arranged, the tension cutting module 1 is slidably connected to the sliding seat 2, a cutting knife position adjusting mechanism is installed on the tension cutting module 1 and the sliding seat 2, which is used to control the tension cutting module 1 to slide relative to the sliding seat 2, so as to adjust the position of the cutting knife 9.

[0026] In the embodiment, the cutting knife position adjusting mechanism comprises a second motor 10 fixedly connected to the tension cutting module 1, a gear 11 is connected to the output shaft hub of the second motor 10, a rack 21 engaged with the gear 11 is fixedly arranged on the sliding seat 2, then when the second motor 10 is started, the tension cutting module 1 is driven to slide relative to the sliding seat 2 through the cooperation of the gear 11 and the rack 21, so as to adjust the position of the cutting knife 9 on the tension cutting module 1, and further adjust the length of the binding tape cut. In this way, the binding tape bundling device of the embodiment can adaptively adjust the cutting position of the cutting knife 9 when facing binding tapes of different length specifications, that is, adjust the length of the cut binding tape, even if the length of the binding tape is different, it can also be cut to the appropriate length, improving the applicability and flexibility of the binding tape bundling device.

[0027] Preferably, in the embodiment, the direction in which the cutting knife position adjusting mechanism drives the tension cutting module 1 to slide relative to the sliding seat 2 and the direction of the tension force of the tensioning mechanism 5 are in the same direction, so that the cutting knife position adjusting mechanism of the embodiment actually adjusts the position of the tensioning mechanism 5, but the adjustment of the position of the tensioning mechanism 5 only affects the position where it contacts the binding tape, and does not affect the size of the tensioning force it applies to the binding tape, so it does not affect the tensioning of the binding tape by the tensioning mechanism 5.

[0028] In order to maintain the position of the tension cutting module 1 after the position adjustment, the second motor 10 is a self-locking motor (i.e. the motor can automatically lock the rotating part after stopping working). In the cutter position adjustment mechanism of the embodiment, the second motor 10 can also be fixedly connected to the sliding seat 2, and the corresponding rack 21 is fixedly connected to the tension cutting module 1. In addition to the gear and rack structure, other transmission structures such as a screw nut structure can also be used. Or other driving devices can also be used to drive the tension cutting module 1 to slide relative to the sliding seat 2, such as a cylinder, an oil cylinder, and a linear stepper motor with a self-locking function acting directly on the tension cutting module 1. In order to save more labor, a labor-saving lever can also be arranged between the driving device and the tension cutting module 1, for example, a cylinder acts on the long force arm end of the labor-saving lever, and the short force arm end of the labor-saving lever acts on the tension cutting module 1.

[0029] An over-travel detector is arranged on the tension cutting module 1 and the sliding seat 2, which is used to detect whether the position adjustment of the cutter position adjustment mechanism to the tension cutting module 1 is within the allowed travel range. In the embodiment, the over-travel detector includes a reflection sensor 12 fixed on the tension cutting module 1 and a blocking part 22 fixed on the sliding seat 2. The sliding of the tension cutting module 1 relative to the sliding seat 2 can trigger the blocking part 22 to block or not to block the reflection sensor 12. In the embodiment, the over-travel detector is arranged as follows: once the sliding of the tension cutting module 1 relative to the sliding seat 2 exceeds the allowed travel, the blocking part 22 is just away from the transmission end and the receiving end of the reflection sensor 12, that is, the blocking part 22 does not block the reflection sensor 12, thereby generating a warning signal, which can avoid the tension cutting module 1 from colliding with other components when exceeding the allowed adjustment travel range. The over-travel detector can use any detector triggered by the relative displacement of the tension cutting module 1 and the sliding seat 2, such as a Hall sensor, an ultrasonic sensor, and even a micro switch.

[0030] Although the utility model is specifically shown and introduced in combination with the preferred embodiment, those skilled in the art should understand that various changes can be made to the utility model in form and detail without departing from the spirit and scope of the utility model defined in the appended claims, and all fall within the protection scope of the utility model.

Claims

1. A cable tie binding device with an adjustable cutting blade position, comprising a tensioning and cutting module, which includes a tensioning mechanism and a cutting blade. The tensioning mechanism is used to receive and stretch the tail of a cable tie tied to a fixed bundled object, and the cutting blade is used to cut the tail of the cable tie. The device is characterized by: The cutting knife position adjusting mechanism drives the tensioning cutting-off module to slide relative to the sliding seat, so as to adjust the position of the cutting knife on the tensioning cutting-off module.

2. The strap bundling apparatus according to claim 1, wherein: The direction in which the cutting knife position adjusting mechanism drives the tensioning cutting-off module to slide relative to the sliding seat and the direction of the tensioning force of the tensioning mechanism in stretching the cable tie are in the same direction.

3. The strap bundling apparatus according to claim 1, wherein: The overstroke detector can be triggered by the relative displacement of the tensioning cutting-off module and the sliding seat, and is used to detect whether the position adjustment of the cutting knife position adjusting mechanism to the tensioning cutting-off module is within the allowed stroke range.

4. The strap bundling device according to claim 3, wherein: The overstroke detector comprises a pair of sensors fixed on the tensioning cutting-off module and a blocking part fixed on the sliding seat, and the sliding of the tensioning cutting-off module relative to the sliding seat can trigger the blocking part to block or not to block the pair of sensors.

5. The strap bundling apparatus according to claim 1, wherein: The cutting knife position adjusting mechanism comprises a self-locking motor fixedly connected to the tensioning cutting-off module, a gear hub connected to the output shaft of the self-locking motor, and a rack fixedly arranged on the sliding seat and engaged with the gear.

6. The strap bundling apparatus according to claim 1, wherein: The tensioning mechanism is two clamping wheels rotating in opposite directions.

7. The strap bundling device according to claim 1, wherein: The cutting knife comprises a movable blade and a fixed blade arranged oppositely, and the cutting of the cable tie is formed by the movement of the movable blade to the fixed blade.

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