CN219669816U - Electronic tensioner - Google Patents

Abstract

The utility model relates to the field of yarn tension control, in particular to an electronic tensioner which comprises a tensioner main body for controlling yarn tension, a wheel disc coaxially and fixedly connected with a damping wheel of the tensioner main body, and a stopping part capable of being abutted against the wheel disc, wherein the tensioner main body is provided with an electric cylinder of which a power rod is connected with the stopping part, the stopping part is fixedly connected with a guide rod, and the tensioner main body is connected with a guide block for the guide rod to tightly penetrate along the moving direction of the stopping part, so that a part of radial external force born by the power rod of the electric cylinder can be shared between the guide rod and the guide block, and the maintenance frequency of the tensioner is reduced.

Description

Electronic tensioner

Technical Field

The utility model relates to the field of yarn tension control, in particular to an electronic tensioner.

Background

In the winding process of the coil, in order to enable the finally obtained coil to be full and appropriate in tightness, the tension of the yarn needs to be regulated and controlled in real time by using a tensioner so as to ensure that the yarn cannot be too loose or tight in the winding process, and the quality of the coil is improved.

The existing electronic tensioners such as the electronic tensioners with the brake device with the publication number of CN211871028U are more used, the passing yarns acquire proper tension through different damping forces generated on the damping wheels, meanwhile, in order to ensure that the damping wheels are not easy to continue to rotate greatly due to inertia when the yarns are required to stop conveying, a brake disc and a brake pad are arranged, and when the rotation of the damping wheels is required to be stopped, a cylinder drives the brake pad to move towards the brake disc, so that the damping wheels can stop rotating in time.

In the related art, when the brake pad and the brake disc are in close contact, the cylinder power rod driving the brake pad to move bears a larger radial force, so that the cylinder is easy to damage, and the tensioner needs to be repaired more frequently.

Disclosure of Invention

In order to reduce the repair frequency of the tensioner, the utility model provides an electronic tensioner.

The utility model provides an electronic tensioner which adopts the following technical scheme:

the utility model provides an electronic tensioner, includes the tensioner main part that carries out the tension control to the yarn, coaxial fixed connection in the rim plate of the damping wheel of tensioner main part, can support tightly in the system of rim plate stop the portion, be equipped with the power pole on the tensioner main part and connect in the electric jar that the system stopped the portion, system stop portion fixedly connected with guide arm, tensioner main part is connected with the guide block that supplies the guide arm to stop the closely wearing of portion direction of movement along the system.

Through adopting above-mentioned technical scheme for when the jar power pole bears radial external force, guide arm and guide block can share, make in long-time use, the tensioning ware be difficult for carrying out maintenance more, reduce the maintenance frequency of tensioning ware.

Optionally, the brake part includes arc rack and fixed connection in jar power pole and guide arm and supplies the pole piece that arc rack connects, and the coaxial fixed connection of rim plate has the dish gear that can mesh in the arc rack.

Through adopting above-mentioned technical scheme for meshing between arc rack and the dish gear can be so that when needs rim plate stop, the rim plate can more timely stop, further reduces the great pivoted possibility that the damping wheel of tensioner main part appears because of self inertia.

Alternatively, the arc rack can be slidably connected to the bar block in a direction away from the disk gear, and the bar block is provided with a compression spring for forcing the arc rack to move toward the disk gear.

Through adopting above-mentioned technical scheme for when the yarn on the damping wheel of tensioner main part bears unusual external force of pulling, sticiss the spring and will shrink, make the arc rack can keep away from in the dish gear, make the condition that is difficult for appearing damaging between electric jar power pole department and guide arm and the guide block more.

Optionally, the arc rack can be dismantled and be connected with the rack slider of sliding connection in the pole piece, sticiss the spring butt in the rack slider.

Through adopting above-mentioned technical scheme for under the long-time use of arc rack, can be convenient dismantle the arc rack and maintain or change, and the existence of rack slider also can make the arc rack keep better stable removal.

Optionally, the arc rack is sleeved with a plurality of mounting bolts which are connected with the rack sliding block in a threaded manner.

By adopting the technical scheme, the arc rack is not easy to move relative to the rack sliding block.

Optionally, the arc rack is fixedly connected with a positioning cylinder which is inserted into the rack sliding block and is penetrated by the mounting bolt.

By adopting the technical scheme, the arc rack is moved to the corresponding position on the rack slide block, so that the installation bolt corresponds to the arc rack and the rack slide block for installation.

Optionally, the guide arm is kept away from and stops portion one end and can be dismantled and be connected with the spacing piece that can butt in the guide block.

By adopting the technical scheme, the guide rod is not easy to separate from the guide block, and the pressure between the wheel disc and the stopping part is not easy to be too large.

Optionally, the limit piece is connected with the guide rod in a threaded manner.

By adopting the technical scheme, the limit piece is detached from the guide rod, and the movable distance of the guide rod relative to the guide block can be adjusted.

In summary, the present utility model includes at least one of the following beneficial effects:

1. when the electric cylinder power rod bears radial external force, the guide rod and the guide block can share, so that the tensioner is not easy to maintain in the long-time use process, and the maintenance frequency of the tensioner is reduced;

2. when the yarn on the damping wheel of the tensioner main body bears abnormal pulling external force, the compression spring can shrink, so that the arc rack can be far away from the disc gear, and the situation that the electric cylinder power rod and the guide block are more difficult to damage is caused.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a schematic view of the structure of the arc rack at one side of the positioning cylinder.

Reference numerals illustrate: 1. a tensioner body; 2. a wheel disc; 21. installing a bolt; 22. a positioning cylinder; 23. a chute; 24. a ring groove; 3. a stopping part; 31. an electric cylinder; 32. a guide rod; 33. a guide block; 34. an arc rack; 35. a disk gear; 36. a pole block; 37. compressing the spring; 38. a limiting piece; 39. a rack slide block.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment of the utility model discloses an electronic tensioner, which comprises a tensioner main body 1 for controlling yarn tension, wherein a wheel disc 2 is coaxially and fixedly connected to the end surface of a damping wheel of the tensioner main body 1, an electric cylinder 31 is detachably connected to the tensioner main body 1 through a bolt, and a stopping part 3 capable of being abutted against the wheel disc 2 is fixedly connected to a power rod of the electric cylinder 31, so that when the yarn stops conveying, the stopping part 3 can be abutted against the wheel disc 2 to stop rotation of the damping wheel of the tensioner main body 1.

Referring to fig. 2 and 3, the stopping portion 3 includes a rod block 36 fixedly connected to the end of the power rod of the electric cylinder 31, a sliding groove 23 is formed in the surface of the rod block 36, which is away from the tensioner body 1, the length direction of the sliding groove 23 is consistent with the moving direction of the rod block 36, a rack sliding block 39 is slidably connected in the sliding groove 23 along the length direction of the sliding groove, a compression spring 37 is fixedly connected in the sliding groove 23, and the compression spring 37 is fixedly connected to the side surface, away from the wheel disc 2, of the rack sliding block 39, so that the rack sliding block 39 moves towards the wheel disc 2. The rack slide block 39 is exposed out of the opening of the chute 23, the surface of the rack slide block 39 far away from the rod block 36 is attached with an arc rack 34, the arc rack 34 is fixedly connected with two positioning cylinders 22, and the positioning cylinders 22 are tightly inserted into the rack slide block 39, so that temporary positioning is achieved between the arc rack 34 and the rack slide block 39. The arc rack 34 is sleeved with two mounting bolts 21, the two mounting bolts 21 are inserted into the two positioning cylinders 22 in a one-to-one correspondence mode, and the mounting bolts 21 are connected with the rack sliding blocks 39 in a threaded mode.

Referring to fig. 2, the circumferential outer wall of the wheel disc 2 is coaxially provided with a ring groove 24, a disc gear 35 is coaxially and fixedly connected inside the ring groove 24, a toothless portion of the arc rack 34 can be abutted against the circumferential outer wall of the wheel disc 2, and the toothed portion of the arc rack 34 can be penetrated into the ring groove 24 to be meshed with the disc gear 35. When the damping wheel of the tensioner body 1 rotates due to self inertia, the arc rack 34 is meshed with the disk gear 35, and the compression spring 37 is not compressed at the moment, so that the damping wheel of the tensioner body 1 can be stopped in time. And when the damping wheel of the tensioner body 1 rotates under abnormal external force, the compression spring 37 is compressed, so that the arc rack 34 can be far away from the disk gear 35, and the power rod of the electric cylinder 31 is not easy to bear excessive external force.

Referring to fig. 2, the rod blocks 36 are fixedly connected with guide rods 32 at two ends of the side surface of the power rod of the electric cylinder 31, the length direction of the guide rods 32 is consistent with the moving direction of the power rod of the electric cylinder 31, two guide blocks 33 are fixedly connected to the surface of the tensioner main body 1, the two guide rods 32 are tightly penetrated in the two guide blocks 33 in one-to-one correspondence, and the guide rods 32 penetrate in the guide blocks 33 along the length direction of the guide rods 32, so that the power rod of the electric cylinder 31 is not easy to bear excessive radial external force. The guide arm 32 is kept away from the coaxial threaded connection of pole piece 36 one end and has spacing piece 38, and when the arc rack 34 meshing in the dish gear 35, spacing piece 38 butt in guide block 33 for the pressure between arc rack 34 and the dish gear 35 is difficult too big.

The implementation principle of the electronic tensioner of the embodiment of the utility model is as follows: when the yarn stops being conveyed, the electric cylinder 31 is communicated with an external power supply, the arc rack 34 is meshed with the disk gear 35, the damping wheel of the tensioner main body 1 can stop rotating in time, and the power rod of the electric cylinder 31 is not easy to bear larger external force due to the guide rod 32 and the guide block 33.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides an electronic tensioner, includes tensioner main part (1) that control the tension of yarn, coaxial fixed connection in the rim plate (2) of the damping wheel of tensioner main part (1), can support in the system portion of stopping (3) of rim plate (2), its characterized in that: the tensioner is characterized in that the tensioner body (1) is provided with an electric cylinder (31) with a power rod connected to a stopping part (3), the stopping part (3) is fixedly connected with a guide rod (32), and the tensioner body (1) is connected with a guide block (33) for the guide rod (32) to tightly penetrate along the moving direction of the stopping part (3).

2. An electronic tensioner as claimed in claim 1, wherein: the stopping part (3) comprises an arc rack (34) and a rod block (36) fixedly connected with a power rod and a guide rod (32) of the electric cylinder (31) and connected with the arc rack (34), and a disk gear (35) capable of being meshed with the arc rack (34) is coaxially and fixedly connected with the wheel disk (2).

3. An electronic tensioner as claimed in claim 2, wherein: the arc rack (34) can be connected to the rod block (36) in a sliding way along the direction far away from the disc gear (35), and the rod block (36) is provided with a pressing spring (37) for forcing the arc rack (34) to move towards the disc gear (35).

4. An electronic tensioner as claimed in claim 3, wherein: the arc rack (34) is detachably connected with a rack sliding block (39) which is connected with the rod block (36) in a sliding mode, and the compression spring (37) is abutted to the rack sliding block (39).

5. An electronic tensioner as claimed in claim 4, wherein: the arc rack (34) is sleeved with a plurality of mounting bolts (21) which are connected with the rack sliding block (39) in a threaded mode.

6. An electronic tensioner as claimed in claim 5, wherein: the arc rack (34) is fixedly connected with a positioning cylinder (22) which is inserted into the rack sliding block (39) and is penetrated by the mounting bolt (21).

7. An electronic tensioner as claimed in claim 1, wherein: one end of the guide rod (32) far away from the stopping part (3) is detachably connected with a limiting piece (38) which can be abutted against the guide block (33).

8. An electronic tensioner as claimed in claim 7, wherein: the limiting piece (38) is connected with the guide rod (32) in a threaded mode.