Steel wire stretching device

Abstract

The utility model discloses a steel wire stretching device. The device comprises a rack, a stretching mechanism is arranged in the middle of the rack, a pay-off mechanism is arranged at one end of the rack, a take-up mechanism is arranged at the other end of the rack, the pay-off mechanism and the take-up mechanism respectively comprise two supports arranged at intervals, and a rotating shaft is connected to each support through a bearing. Wherein one rotating shaft is fixedly connected with an output shaft of a driving component fixed to the outer side of the support, the inner ends of the two rotating shafts are fixedly connected with the outer end of a first telescopic cylinder, a plug is arranged at the inner end of the first telescopic cylinder, and the plug is used for being inserted into a slot in the outer side of a wire reel. The pay-off mechanism and the take-up mechanism are arranged on the two sides of the stretching mechanism respectively, wire fixation is achieved through the self-locking characteristic of hydraulic motors of the pay-off mechanism and the take-up mechanism, and the wire on the pay-off mechanism can be stretched continuously in a segmented mode; and the stretched wire rod can be directly wound on the wire winding mechanism, so that the wire rod stretching efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel wire manufacturing, in particular to a steel wire stretching device. Background Art

[0002] Steel wire refers to small diameter round steel, which is usually wound into a coil to form a wire rod. The diameter of the wire is usually 5-19 mm, among which 5 mm wire is the minimum cross-section size of hot-rolled steel. The wire stretching device stretches and tensions the wire to adjust the material size.

[0003] Patent application number 202121761590.1 discloses a wire stretching device for wire production, which can only stretch wires in segments, and when in use, the two ends of the wire need to be fixed on the fixing mechanism respectively, and the two ends of the wire need to be removed from the fixing mechanism after each stretching, which is time-consuming and laborious. Therefore, improvements are needed. Utility Model Content

[0004] The utility model aims to provide a steel wire stretching device in view of the deficiencies in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides a steel wire stretching device, comprising a frame, a stretching mechanism is provided in the middle of the frame, a wire-releasing mechanism is provided at one end of the frame, and a wire-retracting mechanism is provided at the other end thereof, the wire-releasing mechanism and the wire-retracting mechanism respectively include two spaced-apart supports, a bearing on each support is connected to a rotating shaft, one of the rotating shafts is fixedly connected to an output shaft of a driving component fixed on the outside of the support, the inner ends of the two rotating shafts are fixedly connected to the outer end of a first telescopic cylinder, the inner end of the first telescopic cylinder is provided with a plug, and the plug is used to be inserted into a slot on the outside of the wire reel.

[0006] Furthermore, the stretching mechanism includes a support fixed on the upper side of the frame, a first wheel group and a second wheel group are respectively provided on both sides of the front end of the support, and a sliding mechanism is provided in the middle, a third wheel group is fixed on the sliding mechanism, and a second telescopic cylinder is connected between the third wheel group and the support.

[0007] Furthermore, the sliding mechanism includes two sliding rails fixed on the rear side of the support, a slider is slidably connected to the sliding rails, the slider is fixedly connected to the skateboard, an avoidance hole is provided in the middle of the support, a mounting block is fixed in the middle of the front side of the skateboard, the front end of the mounting block passes through the avoidance hole and is arranged on the front side of the support, and the third wheel group is installed on the mounting block.

[0008] Furthermore, a first connecting seat and a second connecting seat are fixed to the middle of the slide plate and the lower side of the rear end of the support respectively, and the upper and lower ends of the second telescopic cylinder are hinged to the first connecting seat and the second connecting seat respectively.

[0009] Furthermore, the first wheel group, the second wheel group and the third wheel group respectively include two pulleys arranged in parallel, and the edges of the two pulleys cooperate to form a wire hole for the wire to pass through.

[0010] Furthermore, a straightening wheel set is provided between the stretching mechanism and the wire-taking mechanism.

[0011] Furthermore, the driving component is a hydraulic motor, and the first telescopic cylinder and the second telescopic cylinder are both hydraulic telescopic cylinders.

[0012] Beneficial effects: The utility model respectively arranges a wire-releasing mechanism and a wire-retracting mechanism on both sides of the stretching mechanism, utilizes the self-locking characteristics of the hydraulic motors of the wire-releasing mechanism and the wire-retracting mechanism to fix the wire, and then can continuously stretch the wire on the wire-releasing mechanism in sections; the stretched wire can be directly rolled up onto the wire-retracting mechanism, greatly improving the wire stretching efficiency; the stretching mechanism of the utility model has a stable structure and meets the wire stretching requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a steel wire drawing device according to an embodiment of the utility model;

[0014] Figure 2 yes Figure 1 A schematic diagram of the local enlarged structure of the middle A area;

[0015] Figure 3 yes Figure 1 A schematic diagram of the local enlarged structure of the middle B area;

[0016] Figure 4 It is a partial structural schematic diagram of the stretching mechanism of an embodiment of the utility model. DETAILED DESCRIPTION

[0017] The present invention is further explained below in conjunction with the accompanying drawings and specific embodiments. The embodiments are implemented based on the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0018] like Figures 1 to 4As shown, the embodiment of the utility model provides a steel wire stretching device, including a frame 1, a stretching mechanism 2 is provided in the middle of the frame 1, a wire-releasing mechanism 3 is provided at one end of the frame 1, and a wire-receiving mechanism 4 is provided at the other end of the frame 1. The wire-releasing mechanism 3 has the same structure as the wire-receiving mechanism 4, and respectively includes two spaced supports 5, each of which is connected to a rotating shaft 6 with a bearing on each support 5, and the rotating shaft 6 can rotate freely relative to the support 5, one of the rotating shafts 6 is fixedly connected to the output shaft of the driving component 7, and the driving component 7 is preferably a hydraulic motor, which has good self-locking characteristics. When the oil supply to the hydraulic motor stops, it can be kept in a stable position and will not move due to external force. The driving component 7 is fixed on the outer side of the support 5, and the driving component 7 can drive the rotating shaft 6 to rotate. The inner ends of the two rotating shafts 6 are fixedly connected to the outer ends of the first telescopic cylinder 8, and the first telescopic cylinder 8 is preferably a hydraulic telescopic cylinder. Since the hydraulic telescopic cylinder rotates with the rotating shaft 6 during operation, the hydraulic oil pipe needs to be connected to the hydraulic telescopic cylinder through a hydraulic rotary joint. A plug 81 is provided at the inner end of the first telescopic cylinder 8 , and the plug 81 is used to be inserted into a slot 91 outside the wire reel 9 .

[0019] The stretching mechanism 2 of the embodiment of the utility model includes a support 21 fixed on the upper side of the frame 1, a first wheel group 22 and a second wheel group 23 are respectively provided on both sides of the front end of the support 21, a sliding mechanism is provided in the middle of the support 21, a third wheel group 24 is fixed on the sliding mechanism, a second telescopic cylinder 25 is connected between the sliding mechanism and the support 21, the retraction and extension positions of the second telescopic cylinder 25 can be set by components such as proximity sensors, and the second telescopic cylinder 25 is also preferably a hydraulic telescopic cylinder. The sliding mechanism of the embodiment of the utility model includes two slide rails 26 fixed on the rear side of the support 21, a slider 27 is slidably connected to the slide rails 26, the slider 27 is fixedly connected to the slide plate 28, an avoidance hole 210 is provided in the middle of the support 21, a mounting block 29 is fixed in the middle of the front side of the slide plate 28, a gap is provided between the two sides of the mounting block 29 and the support 21, the front end of the mounting block 29 passes through the avoidance hole 210 and is arranged on the front side of the support 21, and the third wheel group 24 is installed on the mounting block 29. The first wheel group, the second wheel group and the third wheel group respectively include two pulleys arranged in parallel, and the edges of the two pulleys cooperate to form a wire hole for the wire to pass through, and the wire holes formed by the first wheel group 22, the second wheel group 23 and the third wheel group 24 are arranged in the same plane. Preferably, a first connecting seat 281 is fixedly arranged in the middle of the slide plate 28, a second connecting seat 211 is fixed at the lower side of the rear end of the support 21, and the upper and lower ends of the second telescopic cylinder 25 are respectively hinged on the first connecting seat 281 and the second connecting seat 211.

[0020] In order to facilitate straightening the stretched wire before winding it onto the wire reel 9 of the wire take-up mechanism 4, a straightening wheel set 10 is preferably provided between the stretching mechanism 2 and the wire take-up mechanism 4. The straightening wheel set 10 specifically includes a wheel frame and two rows of rollers arranged on the wheel frame, each row of rollers has a plurality of rollers, and when the wire passes between the two rows of rollers, the wire can be straightened so that the wire can be neatly wound onto the wire reel 9.

[0021] The wire to be stretched is pre-wound on the wire reel 9 of the wire-releasing mechanism 3. When the two first telescopic cylinders 8 are in the retracted state, the wire reel 9 with the wire to be stretched can be suspended between the two supports 5 by an external crane. The drive component 7 is controlled to rotate so that the plug 81 on this side is aligned with the slot 91 on one side of the wire reel 9. The first telescopic cylinder 8 on the other side is manually rotated to align the plug 81 with the slot 91 on the other side of the wire reel 9. Then the first telescopic cylinder 8 is controlled to extend so that the plug 81 is inserted into the wire reel 9. Then, the end of the wire to be stretched is passed through the wire holes formed by the first wheel group 22, the third wheel group 24 and the second wheel group 23 in sequence, and then passed through the straightening wheel group 10 and fixed on the wire reel 9 of the wire-taking mechanism 4. Then, the second telescopic cylinder 25 can be controlled to extend outward to stretch the wire, and then the spacing between the two rows of rollers on the lower straightening wheel group 10 is adjusted to match the size of the stretched wire. Then, the wire-taking mechanism 4 is controlled to reel in the stretched wire, and the wire-releasing mechanism 3 releases new wire at the same time, and then the next round of wire stretching is performed. While controlling the wire-reeling mechanism 4 to reel in the stretched wire, the winding position of the wire can also be adjusted by controlling the synchronous extension and contraction of its two first telescopic cylinders 8, so that the stretched wire is evenly coiled on the wire reel 9.

[0022] The above is only a preferred embodiment of the utility model. It should be pointed out that for ordinary technicians in this technical field, other parts not specifically described belong to the prior art or common knowledge. Under the premise of not departing from the principle of the utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the utility model.

Claims

1. A steel wire stretching device, characterized in that: It includes a frame, a stretching mechanism is provided in the middle of the frame, a wire-releasing mechanism is provided at one end of the frame, and a wire-retracting mechanism is provided at the other end thereof, the wire-releasing mechanism and the wire-retracting mechanism respectively include two spaced-apart supports, a bearing on each support is connected to a rotating shaft, one of the rotating shafts is fixedly connected to an output shaft of a driving component fixed on the outside of the support, the inner ends of the two rotating shafts are fixedly connected to the outer end of a first telescopic cylinder, the inner end of the first telescopic cylinder is provided with a plug, and the plug is used to be inserted into a slot on the outside of the wire reel.

2. A steel wire stretching device according to claim 1, characterized in that: The stretching mechanism includes a support fixed on the upper side of the frame, a first wheel group and a second wheel group are respectively provided on both sides of the front end of the support, and a sliding mechanism is provided in the middle, a third wheel group is fixed on the sliding mechanism, and a second telescopic cylinder is connected between the third wheel group and the support.

3. A steel wire stretching device according to claim 2, characterized in that: The sliding mechanism includes two sliding rails fixed on the rear side of the support, a slider is slidably connected to the sliding rails, the slider is fixedly connected to the skateboard, an avoidance hole is provided in the middle of the support, a mounting block is fixed in the middle of the front side of the skateboard, the front end of the mounting block passes through the avoidance hole and is arranged on the front side of the support, and the third wheel group is installed on the mounting block.

4. A steel wire stretching device according to claim 3, characterized in that: A first connecting seat and a second connecting seat are fixed to the middle of the slide plate and the lower side of the rear end of the support respectively, and the upper and lower ends of the second telescopic cylinder are hinged to the first connecting seat and the second connecting seat respectively.

5. A steel wire stretching device according to claim 2, characterized in that: The first wheel group, the second wheel group and the third wheel group respectively include two pulleys arranged in parallel, and the edges of the two pulleys cooperate to form a wire hole for the wire to pass through.

6. A steel wire stretching device according to claim 1, characterized in that: A straightening wheel set is provided between the stretching mechanism and the wire taking-up mechanism.

7. A steel wire stretching device according to claim 1, characterized in that: The driving component is a hydraulic motor, and the first telescopic cylinder and the second telescopic cylinder are both hydraulic telescopic cylinders.

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