Tension-constant wire feeding and feeding device

Abstract

The utility model discloses a constant-tension wire feeding and feeding device which comprises a base, an electric control cabinet, a wire coil frame, a rotating motor, a first wire arranging frame, a second wire arranging frame, a vertical frame, a fixed pulley, a movable pulley assembly and a height detection assembly. The electric control cabinet, the wire coil frame and the vertical frame are all fixedly installed on the base, the first wire arranging frame is fixedly installed on the wire coil frame, the second wire arranging frame is fixedly installed on the vertical frame and is close to the first wire arranging frame, a lifting groove is formed in the side of the vertical frame, the movable pulley assembly enters the lifting groove, and the movable pulley assembly is connected with the lifting groove. The fixed pulley is fixedly installed at the top of the vertical frame, a wire coil sequentially penetrates through the first wire arranging frame and the second wire arranging frame for wire arranging after being unwound, cable shaking is reduced, the height of the movable pulley assembly is changed along with the tension change of the cable, and then the height of the movable pulley assembly is detected through the height detection assembly. Therefore, the pay-off speed of the rotating motor is correspondingly adjusted, and the tension of the cable is kept constant.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable production packaging equipment field, concretely relates to a tension constant feeding line loading device. BACKGROUND

[0002] The existing high-definition video line needs to put the big line roll to cut into small line rolls in the packaging process, wherein the big line roll cannot be put on the line through pulling the cable due to the big weight, and can only be put on the line through the motor rotation, and the different winding mode of the cable on the big line roll or the radius change in the process makes the tension of the cable continuously change in the process, which conflicts with the constant rotation of the motor, thereby causing the line speed too fast or too slow, and further causing the cable relaxation deformation or breakage. UTILITY MODEL CONTENT

[0003] Therefore, the utility model aims at providing a tension constant feeding line loading device to solve the above problems.

[0004] In order to solve the above technical problems, the technical scheme of the utility model is as follows: a tension constant feeding line loading device, comprising a base, an electric control cabinet, a line roll frame, a rotating motor, a first wire arranging frame, a second wire arranging frame, a stand, a fixed pulley, a movable pulley assembly and a height detection assembly; the electric control cabinet, the line roll frame and the stand are all fixedly installed on the base, the rotating motor is fixedly installed on the line roll frame and used for driving the line roll to put on the line, the first wire arranging frame is fixedly installed on the line roll frame, the second wire arranging frame is fixedly installed on the stand and close to the first wire arranging frame, a lifting groove is formed in the side of the stand, the movable pulley assembly enters the lifting groove and can only move along the lifting groove under the limiting action of the lifting groove; the fixed pulley is fixedly installed on the top of the stand and located above the movable pulley assembly; the height detection assembly is fixedly installed on the side of the stand and detects the height of the movable pulley assembly; the line roll frame is clamped and fixed with the line roll, the rotating motor is fixedly installed on the line roll frame and used for driving the line roll to put on the line, the line roll is sequentially threaded through the first wire arranging frame and the second wire arranging frame after putting on the line, and then at least wound one circle on the fixed pulley and the movable pulley assembly, and the line is sent to the next process after passing through the fixed pulley again, wherein the movable pulley assembly changes the height along with the tension change of the cable, the height of the movable pulley assembly is detected through the height detection assembly, and the line speed of the rotating motor is adjusted correspondingly.

[0005] As preferred, the height detection comprises a first support, an inclination detection module, a hinged rod, a connecting rod and a hinge joint; the first support is fixedly installed beside the first support, the inclination detection module is fixedly installed on the first support, a detection end of the inclination detection module is fixedly installed with a hinged rod, a through slot is formed in the hinged rod, the hinge joint is hingedly installed on a fixed end of the movable pulley assembly, one end of the connecting rod is fixedly installed with the hinge joint, and the other end passes through the through slot and is in sliding connection with the through slot.

[0006] As preferred, a first to-position detection module is arranged on the stand near the height detection assembly, and a second to-position detection module is arranged near the fixed pulley.

[0007] As preferred, the first wire arranging frame comprises a second support, vertically arranged vertical rods and first wire arranging rollers arranged in parallel; the second support is fixedly installed on the wire reel stand, a first hinge hole and an arc-shaped adjusting slot are formed in the second support, the bottom of the stand is hingedly connected with the first hinge hole and fixedly installed through the arc-shaped adjusting slot by a screw, and the first wire arranging rollers are fixedly installed on the top of the vertical rods and located between the two vertical rods.

[0008] As preferred, the second wire arranging frame comprises a third support, second wire arranging rollers and third wire arranging rollers; the third support is fixedly installed on the stand and near the fixed pulley, the end of the third support is outwardly bent and tangent to the fixed pulley, the second wire arranging rollers are arranged in parallel with the first wire arranging rollers and hingedly installed on the end of the third support, the third wire arranging rollers are symmetrically arranged and hingedly connected towards the third support; and the third wire arranging rollers are perpendicular to the second wire arranging rollers.

[0009] As preferred, the movable pulley assembly comprises a lifting base, a supporting shaft, a movable pulley body and a counterweight; the lifting base enters the lifting groove and is limitedly slid in the lifting groove, the lifting base outwardly extends to form a connecting portion, the supporting shaft is fixedly installed on the connecting portion, the hinge joint is fixedly connected with the connecting portion, the movable pulley body is rotationally connected on the supporting shaft, and the counterweight is clamped and fixedly installed on the supporting shaft.

[0010] As preferred, the wire reel stand and the base are fixedly connected through a screw nut, and the wire reel stand can be angle-adjusted by loosening the screw nut.

[0011] As preferred, the bottom of the wire reel stand is provided with an abutting block, and a limit switch is arranged on the base corresponding to the position of the abutting block.

[0012] The utility model discloses technical effect mainly embodies: the height of the dynamic pulley assembly is detected through height detection subassembly, thereby corresponding adjustment pay-off speed of rotating motor, when cable tension increases, dynamic pulley group rises, at this moment, pay-off speed of rotating motor is increased, makes dynamic pulley group descend, and reduces cable tension, when cable tension reduces, at this moment, pay-off speed of rotating motor is reduced, makes dynamic pulley group descend, increases cable tension, thereby realizes constant tension pay-off of cable, avoids cable without tension, also can avoid cable rupture. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is front view of the utility model;

[0014] Figure 2 It is Figure 1 Sectional view;

[0015] Figure 3 It is side sectional view of stand.

[0016] Signs are: 1 - base, 11 - electric control cabinet, 12 - limit switch, 2 - line reel stand, 21 - abutment block, 3 - rotating motor, 4 - first wire arranging frame, 41 - second support, 42 - vertical rod, 43 - first wire arranging roller, 44 - first hinged hole, 45 - arc-shaped adjusting groove, 5 - second wire arranging frame, 51 - third support, 52 - second wire arranging roller, 53 - third wire arranging roller, 6 - stand, 61 - lifting groove, 62 - first arrival detection module, 63 - second arrival detection module, 7 - fixed pulley, 8 - dynamic pulley assembly, 81 - lifting base, 82 - support shaft, 83 - dynamic pulley body, 84 - counterweight, 9 - height detection subassembly, 91 - first support, 92 - inclination detection module, 93 - hinged rod, 94 - connecting rod, 95 - hinged joint. DETAILED DESCRIPTION

[0017] The specific embodiment of the utility model is further described in detail in combination with the drawings, so that the technical scheme of the utility model is more easily understood and mastered.

[0018] In the embodiment, it needs to be understood that the orientation or positional relationship indicated by the terms "intermediate", "upper", "lower", "top", "right side", "left end", "upper", "back", "middle" and the like is the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0019] In addition, in this specific embodiment, if the connection or fixing method between components is not specifically described, the connection or fixing method can be through bolt fixing or pin fixing, or pin shaft connection, etc. commonly used in the prior art, so it will not be described in detail in this embodiment.

[0020] The utility model provides a wire feeding device with constant tension, such as Figures 1-3 As shown, it includes a base 1, an electric control cabinet 11, a wire reel rack 2, a rotating motor 3, a first wire management rack 4, a second wire management rack 5, a vertical frame 6, a fixed pulley 7, a movable pulley assembly 8 and a height detection assembly 9; the electric control cabinet 11, the wire reel rack 2 and the vertical frame 6 are all fixedly mounted on the base 1, the rotating motor 3 is fixedly mounted on the wire reel rack 2 for driving the wire reel to unwind, the first wire management rack 4 is fixedly mounted on the wire reel rack 2, the second wire management rack 5 is fixedly mounted on the vertical frame 6, and is close to the first The cable management rack 4 has a lifting slot 61 on the side of the vertical frame 6. The movable pulley assembly 8 enters the lifting slot 61 and can only move along the lifting slot 61 under the limiting effect of the lifting slot 61. The fixed pulley 7 is fixedly mounted on the top of the vertical frame 6 and is located above the movable pulley assembly 8. The height detection assembly 9 is fixedly mounted on the side of the vertical frame 6 and detects the height of the movable pulley assembly 8, thereby judging the cable tension by the height of the movable pulley assembly 8. When the cable tension increases, The movable pulley assembly 8 receives the tension component of the cable and moves upward. When the cable tension decreases, the movable pulley group moves downward under the action of gravity. A wire reel is clamped and fixed on the wire reel frame 2, and the rotating motor 3 is fixedly installed on the wire reel frame 2 for driving the wire reel to pay out the wire. After the wire reel is paid out, it passes through the first wire arrangement frame 4 and the second wire arrangement frame 5 in sequence, and then is wound around the fixed pulley 7 and the movable pulley assembly 8 for at least one circle. After the cable passes through the fixed pulley 7 again, the wire is sent to the next process. The movable pulley assembly 8 changes its height as the cable tension changes. The height of the movable pulley assembly 8 is detected by the height detection component 9, so as to adjust the pay-out speed of the rotating motor 3 accordingly. When the cable tension increases, the movable pulley group rises. At this time, the pay-out speed of the rotating motor 3 is increased, so that the movable pulley group descends and the cable tension is reduced. When the cable tension decreases, the pay-out speed of the rotating motor 3 is reduced, so that the movable pulley group descends and the cable tension is increased, thereby achieving constant tension pay-out of the cable, avoiding no tension in the cable and also avoiding cable breakage.

[0021] As preferred, the height detection comprises a first support 91, an inclination detection module 92, a hinged rod 93, a hinged rod 9 connecting rod 94 and a hinged joint 95; the first support 91 is fixedly installed on the side of the first support 91, the inclination detection module 92 is fixedly installed on the first support 91, the detection end of the inclination detection module 92 is fixedly installed with the hinged rod 93, the hinged rod 93 is provided with a through groove, the hinged joint 95 is hingedly installed on the fixed end of the movable pulley assembly 8, one end of the hinged rod 9 connecting rod 94 is fixedly installed with the hinged joint 95, the other end passes through the through groove and is in sliding connection with the through groove, when the pulley assembly is lifted, the hinged rod 9 connecting rod 94 moves in the through groove and makes the hinged rod 93 rotate, at the same time, the hinged joint 95 also rotates correspondingly, so that the inclination detection module 92 detects the angle of the hinged rod 9 connecting rod 94 and obtains the height of the pulley assembly.

[0022] As preferred, the first to position detection module 62 is arranged on the stand 6 close to the height detection assembly 9, and the second to position detection module 63 is arranged close to the fixed pulley 7, when the movable pulley assembly 8 continuously rises and is detected by the second to position detection module 63, it indicates that the cable tension is abnormal and needs to be stopped for emergency inspection; when the front section of the cable is cut off, the subsequent cable loses tension, at this time, the movable pulley assembly 8 quickly descends and is detected by the second to position detection module 63, at this time, the machine should be temporarily stopped and wait for the next cable feeding.

[0023] As preferred, the first wire arrangement frame 4 comprises a second support 41, vertically arranged vertical rods 42 and first wire arrangement rollers 43 arranged in parallel; the second support 41 is fixedly installed on the wire reel frame 2, the second support 41 is provided with a first hinged hole 44 and an arc-shaped adjusting groove 45, the bottom of the stand 6 is hinged with the first hinged hole 44 and is fixedly installed through the arc-shaped adjusting groove 45 by screws, the first wire arrangement rollers 43 are fixedly installed on the top of the vertical rods 42 and are located between the two vertical rods 42, when the pulley assembly is lifted, the hinged rod 9 connecting rod 94 moves in the through groove and makes the hinged rod 93 rotate, at the same time, the hinged joint 95 also rotates correspondingly, so that the inclination detection module 92 detects the angle of the hinged rod 9 connecting rod 94 and obtains the height of the pulley assembly.

[0024] As preferred, the second wire arranging frame 5 comprises a third support 51, a second wire arranging roller 52 and a third wire arranging roller 53; the third support 51 is fixedly installed on the stand 6 and is close to the fixed pulley 7, the end of the third support 51 is outwardly bent and tangentially faces the fixed pulley 7, the second wire arranging roller 52 is parallel to the first wire arranging roller 43 and is hingedly installed on the end of the third support 51, and the third wire arranging roller 53 is symmetrically arranged and is hingedly connected towards the third support 51; the third wire arranging roller 53 is perpendicular to the second wire arranging roller 52, and through the cooperation of the first wire arranging frame 4 and the second wire arranging frame 5, the cable on the large cable roll is horizontally arranged twice and vertically arranged once, and then is transmitted to the fixed pulley 7, so that the shaking of the cable is reduced and the stability of the tension is maintained.

[0025] As preferred, the movable pulley assembly 8 comprises a lifting base 811, a supporting shaft 82, a movable pulley body 83 and a counterweight 84; the lifting base 811 enters into the lifting groove 61 and is limitingly slid in the lifting groove 61, the lifting base 811 outwardly extends to form a connecting portion, the supporting shaft 82 is fixedly installed on the connecting portion, the hinge joint 95 is fixedly connected with the connecting portion, the movable pulley body 83 is rotationally connected on the supporting shaft 82, and the counterweight 84 is clampingly and fixedly installed on the supporting shaft 82; through the counterweight 84 with the corresponding weight according to the required tension of the cable, the movable pulley assembly 8 is closer to the middle section of the lifting groove 61 during working.

[0026] As preferred, the wire roll frame 2 is adjustably fixedly connected with the base 1 through screws and nuts, and the wire roll frame 2 can be angle-adjusted by loosening the screws and nuts.

[0027] As preferred, the bottom of the wire roll frame 2 is provided with an abutting block 21, and the base 1 is provided with a limit switch 12 corresponding to the position of the abutting block 21, which is used for detecting whether the wire roll frame 2 is loosened and falls, and the wire roll frame 2 is stopped in emergency through the limit switch 12.

[0028] The technical effect of the utility model mainly embodies: the height of the movable pulley assembly is detected through the height detection assembly, so that the pay-off speed of the rotating motor is adjusted correspondingly; when the cable tension increases, the movable pulley assembly rises, at this time, the pay-off speed of the rotating motor is increased, so that the movable pulley assembly descends and the cable tension is reduced; when the cable tension decreases, at this time, the pay-off speed of the rotating motor is reduced, so that the movable pulley assembly descends and the cable tension is increased, so that the constant tension pay-off of the cable is realized, the cable without tension is avoided, and the cable breakage is also avoided.

[0029] Of course, the above is only a typical example of the present application, in addition to this, the present application can have other various specific embodiments, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.

Claims

1. A constant tension wire feeding device, characterized in that: The utility model comprises a base, an electric control cabinet, a wire winding rack, a rotating motor, a first wire winding rack, a second wire winding rack, a vertical frame, a fixed pulley, a movable pulley assembly and a height detection assembly; the electric control cabinet, the wire winding rack and the vertical frame are all fixedly mounted on the base, the rotating motor is fixedly mounted on the wire winding rack for driving the wire winding to unwind, the first wire winding rack is fixedly mounted on the wire winding rack, the second wire winding rack is fixedly mounted on the vertical frame and is close to the first wire winding rack, a lifting slot is opened on the side of the vertical frame, the movable pulley assembly enters the lifting slot and can only move along the lifting slot under the limiting action of the lifting slot; the fixed pulley is fixedly mounted on the The top of the stand and is located above the movable pulley assembly; the height detection assembly is fixedly installed on the side of the stand and detects the height of the movable pulley assembly; a wire reel is clamped and fixed on the wire reel stand, and the rotating motor is fixedly installed on the wire reel stand to drive the wire reel to pay out the wire. After the wire reel is paid out, it passes through the first wire management frame and the second wire management frame in sequence, and then is wound around the fixed pulley and the movable pulley assembly for at least one circle. After the cable passes through the fixed pulley again, the cable is sent to the next process, wherein the movable pulley assembly changes height as the cable tension changes, and the height of the movable pulley assembly is detected by the height detection assembly, thereby adjusting the pay-out speed of the rotating motor accordingly.

2. A constant tension wire feeding device according to claim 1, characterized in that: The height detection includes a first bracket, an inclination detection module, an articulated rod, a connecting rod and an articulated head; the first bracket is fixedly mounted on the side of the first bracket, the inclination detection module is fixedly mounted on the first bracket, the detection end of the inclination detection module is fixedly mounted with an articulated rod, a through slot is provided in the articulated rod, the articulated head is articulatedly mounted on the fixed end of the movable pulley assembly, one end of the connecting rod is fixedly mounted on the articulated head, and the other end passes through the through slot and is slidably connected to the through slot.

3. A constant tension wire feeding device according to claim 1, characterized in that: A first in-place detection module is provided on the stand near the height detection assembly, and a second in-place detection module is provided near the fixed pulley.

4. A constant tension wire feeding device as claimed in claim 2, characterized in that: The first cable management rack includes a second bracket, parallel vertical poles, and parallel first cable management rollers; the second bracket is fixedly mounted on the wire reel rack, and a first hinge hole and an arc-shaped adjustment slot are provided on the second bracket. The bottom of the vertical bracket is hinged to the first hinge hole and is fixedly mounted by screws passing through the arc-shaped adjustment slot. The first cable management roller is fixedly mounted on the top of the vertical pole and is located between the two vertical poles.

5. A constant tension wire feeding device as claimed in claim 4, characterized in that: The second cable management rack includes a third bracket, a second cable management roller and a third cable management roller; the third bracket is fixedly mounted on the vertical frame and close to the fixed pulley, the end of the third bracket is bent outward and the tangent is toward the fixed pulley, the second cable management roller is parallel to the first cable management roller and is hingedly mounted on the end of the third bracket, the third cable management roller is symmetrically arranged and hingedly connected toward the third bracket; the third cable management roller is perpendicular to the second cable management roller.

6. A constant tension wire feeding device according to claim 5, characterized in that: The movable pulley assembly includes a lifting base, a support shaft, a movable pulley body and a counterweight block. The lifting base enters the lifting slot and slides within the lifting slot. The lifting base extends outward to form a connecting portion. The support shaft is fixedly installed on the connecting portion. The hinge head is fixedly connected to the connecting portion. The movable pulley body is rotatably connected to the support shaft, and the counterweight block is clamped and fixedly installed on the support shaft.

7. A constant tension wire feeding device according to claim 1, characterized in that: The wire reel stand is adjustably fixedly connected to the base via screws and nuts, and the angle of the wire reel stand can be adjusted by loosening the screws and nuts.

8. A constant tension wire feeding device according to claim 1, characterized in that: An abutment block is provided at the bottom of the wire reel stand, and a limit switch is provided on the base at a position corresponding to the abutment block.

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