CN119059362A - A direct-connected spindle tension control device and a spindle rack containing the same - Google Patents

Abstract

The present invention provides a direct-connected spindle tension control device and a spindle frame, comprising a support plate, a driving source; a main shaft connected to the driving source, and a first supporting mechanism, wherein the main shaft is rotatably arranged on the first supporting mechanism; a tension arm connected to a swing roller, and also comprising a tension adjustment detection assembly, which comprises an elastic element, a tension sensor, and an adjustment mechanism, wherein the tension sensor has a first end of the tension sensor connected to the elastic element and a second end of the tension sensor connected to the adjustment mechanism, and the end of the elastic element away from the connection with the tension sensor is connected to the tension arm. The present invention mainly improves the detection accuracy of the tension sensor by providing a spindle tension control device having a tension sensor directly connected to the elastic element, and improves the accuracy of debugging by providing an amplifying adjustment member to adjust the tension of the linear material, thereby ensuring the consistency of the tension of the linear material between different strands.

Description

Direct-connected spindle tension control device and spindle frame comprising same

Technical Field

The invention relates to the field of linear material tension control, in particular to a direct-connection type spindle tension control device and a spindle frame.

Background

A spindle tension control device for maintaining a constant tension in a wire, nylon, or fiber during unreeling is disclosed in the applicant's earlier application No. 2023106084550, entitled spindle tension control device and spindle frame for maintaining a constant tension in a wire. The elastic tension detection device comprises a motor, a swinging roller, a swinging arm, a mandrel, a first supporting mechanism and a second supporting mechanism, wherein the mandrel is arranged on the first supporting mechanism, the swinging arm is arranged on the second supporting mechanism, one end of the swinging arm is connected with the swinging roller, the other end of the swinging arm is connected with the second supporting mechanism in a relatively swinging manner, the driving end of the motor is connected with the mandrel, the elastic tension detection device is connected with the swinging arm and comprises an elastic element, a fixed adjusting mechanism and a tension sensor, one end of the elastic element is connected with the swinging arm, the other end of the elastic element is connected with the fixed adjusting mechanism, and the fixed adjusting mechanism is connected with the tension sensor. The technical scheme disclosed in the patent is that under the action of an external paying-off tension force F, the swinging roller swings, and the tension force sensor is transmitted with the change of the tension force F in the swinging process through the elastic element so as to detect the tension force of the linear material in real time.

But this structure has the following two disadvantages when in use:

1. Because the elastic element is connected with the fixed adjusting mechanism and then connected with the tension sensor through the fixed adjusting mechanism, the tension sensor is affected by the fixed adjusting mechanism in the testing process, and the testing is not accurate enough, so that the tension control of the linear material is affected.

2. According to the structure, in the process of adjusting the tension through the rotary fixing adjusting mechanism, the tension of the linear material can be changed greatly by lightly touching the knob, the tension can not be adjusted accurately, and therefore the tension control of the linear material is affected.

Disclosure of Invention

In order to solve the technical problems, the invention provides a direct-connection spindle tension control device which comprises a supporting plate, a driving source arranged on the supporting plate, a main shaft connected with the driving source through a first transmission device, a first supporting mechanism arranged on the supporting plate, a tension arm rotatably arranged on the first supporting mechanism, a tension adjusting detection assembly and a tension adjusting control assembly, wherein the tension arm first end is connected with a swinging roller, the tension adjusting detection assembly comprises an elastic element, a tension sensor and an adjusting mechanism, the tension sensor is provided with a tension sensor first end and a tension sensor second end, the tension sensor first end is connected with the elastic element, the tension sensor second end is connected with the adjusting mechanism, and one end, far away from the tension sensor, connected with the tension sensor is connected with the tension arm.

Preferably, the tension device further comprises a tension frame connected with the first supporting mechanism, the adjusting mechanism is arranged on the tension frame and comprises an adjusting base, an adjusting rod and an amplifying adjusting piece arranged on the adjusting base, the adjusting rod is movably arranged on the adjusting base, one end of the amplifying adjusting piece is arranged on the adjusting rod, one end of the adjusting rod, far away from the amplifying adjusting piece, is provided with a connecting piece, the tension frame is provided with a slot hole, the connecting piece penetrates through the slot hole, and one end of the connecting piece, far away from the adjusting rod, is connected with the tension sensor.

Preferably, the amplifying adjusting piece is a worm wheel and a worm, the worm wheel and the worm are vertically meshed, the worm is rotatably arranged on the adjusting base, and the worm wheel is arranged on the adjusting rod in a threaded fit manner.

Preferably, the worm has an adjustment end with a detachable elongate adjustment member disposed thereon.

Preferably, the device further comprises a transition roller arranged on the supporting plate.

Preferably, the first transmission device is of a synchronous belt and synchronous pulley structure, and comprises a first synchronous pulley and a second synchronous pulley which are connected through the synchronous belt, wherein the first synchronous pulley is arranged at the driving end of the driving source, and the second synchronous pulley is fixedly arranged with the main shaft.

Preferably, the device further comprises an overload protection mechanism, wherein the overload protection mechanism is connected with the first transmission device, the other end of the overload protection mechanism is connected with the linear material roll, and the overload protection mechanism comprises a mounting seat, a plurality of magnets arranged in the mounting seat and an overload plate covered on the magnets through magnetic attraction.

Preferably, the tension arm further comprises a second supporting mechanism, the tension arm is provided with a second end part of the tension arm, the second end part of the tension arm is rotatably arranged in the second supporting mechanism through a rotating shaft, the tension arm further comprises an angular displacement sensor, and one end, far away from the tension arm, of the rotating shaft is connected with the angular displacement sensor.

Preferably, the tension arm further has a tension arm third end, and a weight is disposed on the tension arm third end.

The invention also provides a spindle frame, which comprises a frame body, a threading mechanism, a yarn supporting roller, a broken material detecting element and a plurality of direct-connected spindle tension control devices, wherein the threading mechanism, the yarn supporting roller and the broken material detecting element are arranged on the frame body.

According to the technical content disclosed by the invention, the spindle tension control device with the tension sensor directly connected with the elastic element is arranged to improve the detection accuracy of the tension sensor, and the amplifying adjusting piece is arranged to adjust the tension of the linear material to improve the debugging accuracy, so that the tension consistency of the linear material among different strands is ensured. And the lengthened adjusting piece is arranged to improve the operation safety of the equipment and protect personnel from being injured.

Drawings

Fig. 1 is an overall schematic view of a spindle tension control device according to the present invention.

Fig. 2 is a schematic view of a spindle tension control device with a coil of wire according to the present invention.

Fig. 3 is a partial cross-sectional view taken along A-A' of fig. 1.

Fig. 4 is a schematic view of a tension adjustment detecting assembly according to the present invention.

Fig. 5 is another view from the perspective of fig. 4.

Fig. 6 is an overall schematic view of the spindle carrier according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1 to 5, the present invention discloses a direct-connection spindle tension control device 1 (hereinafter referred to as spindle tension control device) for maintaining a constant tension output of a linear material (such as a steel wire, nylon wire, or fiber wire, etc.), comprising a support plate 10, a driving source 20 provided on the support plate 10, a spindle 41 connected to the driving source 20 through a first transmission 30, and a first support mechanism 51 provided on the support plate 10, the spindle 41 being rotatably provided on the first support mechanism 51, and further comprising a tension arm 60 having a tension arm first end 61, the tension arm first end 61 being connected to a swinging roller 42, and a tension adjustment detection assembly 70, the tension adjustment detection assembly 70 comprising an elastic member 71, a tension sensor 72, the tension sensor 72 having a tension sensor first end 721 and a tension sensor second end 722, the tension sensor first end 721 being directly connected to the elastic member 71 through a first joint bearing 711, the tension sensor second end 722 being connected to the adjustment mechanism 73, the tension arm first end 61 being connected to the tension sensor 72 through a second joint bearing 72.

When the device is used, the linear material roll of the linear material is arranged on the main shaft 41, when the linear material roll of the linear material is paid out, the linear material wound on the swinging roller 42 is continuously paid out under the action of the external paying-out tension force F, the swinging roller 42 swings along with the fluctuation of paying-out tension, the tension arm 60 connected with the swinging roller 42 is driven to swing, the swing amplitude of the tension arm 60 is directly transmitted to the tension sensor 72 by the elastic element 71, and the elastic element 71 is respectively and directly connected with the tension sensor 72 and the tension arm 60, so that the detection of the tension sensor 72 is more accurate, and the tension detection accuracy is improved.

As shown in fig. 1, 4 and 5, the tension adjustment detecting assembly 70 according to the present invention further includes a tension bracket 74, the tension bracket 74 is directly or indirectly detachably connected to the first supporting mechanism 51, the adjusting mechanism 73 is disposed on the tension bracket 74, the adjusting mechanism 73 includes an adjusting base 731, an adjusting rod 732, and an amplifying adjusting member disposed on the adjusting base 731, the adjusting rod 732 is movably disposed on the adjusting base 731 through threads, one end of the amplifying adjusting member is disposed on the adjusting rod 732, one end of the adjusting rod 732, which is far from the amplifying adjusting member, is provided with a connecting member 734, the tension bracket 74 is provided with a slot 741, the connecting member 734 is disposed through the slot 741, and one end of the connecting member 734, which is far from the adjusting rod 732, is connected to the tension sensor 72. The amplifying adjusting piece is used for amplifying the adjusting precision of the tension, so that the adjusting range of the tension is more accurate, the connecting piece 734 is driven to move in the range limited by the slot 741 by rotating the amplifying adjusting piece, the tension sensor 72 is driven to move, and the stretching amount of the elastic element 71 is directly adjusted, so that the swinging resistance of the tension arm 60 is more accurately adjusted, and the tension of the linear material is adjusted.

Preferably, the amplifying adjustment member includes a worm gear 7331 and a worm 7332, the worm gear 7331 and the worm 7332 are vertically engaged, the worm 7332 is rotatably disposed on the adjustment base 731, the worm gear 7331 is disposed on the adjustment base 732 through a threaded engagement, the worm 7332 is rotated to drive the worm gear 7331 to rotate, thereby driving the adjustment base 731 to move, driving the tension sensor 72 to move, and directly adjusting the stretching amount of the elastic element 71, thereby adjusting the swinging resistance of the tension arm 60, and further adjusting the tension of the linear material. By using the worm wheel 7331 and worm 7332 structure, the adjustment accuracy of the adjustment lever 732 is enlarged, so that the adjustment accuracy of the tension adjustment detecting assembly 70 is more accurate. Preferably, the tension is adjusted to a range between 0.02N and 0.1N when the worm 7332 is rotated one revolution.

Since the debugging stage equipment is operated, the safety of the debugging personnel needs to be sufficiently ensured when the worm wheel 7331 and the worm 7332 are adjusted. The worm 7332 of the present invention therefore has an adjustment end 7333, with a detachable extension adjustment (not shown) being provided on the adjustment end 7333. When normal production is carried out, the lengthened adjusting piece is separated from the adjusting end 7333, normal production is not affected, and when the worm adjusting end 7333 is manually rotated by using the lengthened adjusting piece in a debugging stage before normal production, the worm wheel 7331 meshed with the worm 7332 is driven to rotate, the adjusting rod 732 is driven to move by threaded fit, the connecting piece 734 is moved, and the position of the tension sensor 72 is adjusted, so that the stretching amount of the elastic element 71 is adjusted. By using the lengthened adjusting piece, tension can be more easily adjusted in the equipment debugging process, and personnel are protected from being injured. And the direction of the adjusting end 7333 can be opposite to the operator by the worm gear 7331 and the worm 7332 which are vertically engaged with each other, thereby facilitating the operator's operation. Preferably, the elastic element 71 according to the invention is a spring.

As shown in fig. 1, the present invention further includes a second support mechanism 52, and the first support mechanism 51 and the second support mechanism 52 may be integrally provided or separately provided, and the present invention is described only by way of example of an integrally provided structure. The tension arm 60 further has a tension arm second end 62, the tension arm second end 62 is rotatably disposed in the second support mechanism 52 by a rotation shaft (not shown), and further includes an angular displacement sensor 80, and an end of the rotation shaft remote from the tension arm 60 is connected to the angular displacement sensor 80. The angular displacement sensor 80 may determine the change of the external paying-out tension of the linear material roll according to the detected amplitude of the swing of the tension arm 60, and then send a signal detected by the angular displacement sensor 80 to a tension controller (not shown), and the tension controller actively adjusts the power output of the driving source 20, so as to adjust the rotation speed of the spindle 41 to substantially match the paying-out speed of the linear material roll. When the external paying-out tension is unchanged and the diameter of the linear material roll is changed in the paying-out process, the tension controller can also actively adjust the power output of the driving source 20, so that the rotating speed of the main shaft 41 is adjusted to be basically matched with the paying-out speed of the linear material roll. Therefore, the driving source 20 actively adjusts the rotation speed of the spindle 41 to match the external paying-out tension of the wire roll or the diameter of the wire roll, so as to ensure the wire tension to be substantially consistent. The angular displacement sensor 80 of the present invention is further provided with an angular displacement shield 81 for protecting the angular displacement sensor 80.

As shown in fig. 2, since the tension arm 60 itself has a certain weight, the weight thereof affects the tension of the linear material together with the output power of the driving source 20, the external tension force F to which the linear material is subjected, the resistance force provided by the tension adjustment detecting assembly 70, and the like. The tension required for the different thread-like materials is different. Optionally, in order to reduce the influence of gravity of the tension arm 60 on the tension of the linear material, thereby adjusting the tension of the linear material, the tension arm 60 further has a third tension arm end 64, and a balancing block (not shown) is connected to the third tension arm end 64 to balance the influence of the weight of the tension arm 60 on the gravity of the linear material. The size of the balance weight can be set according to the requirement.

The conventional spindle tension control device controls the tension of the wire between the wire roll on the spindle 41 and the swing roller 42, and the wire on the wire roll may be jammed on the wire roll (the wire roll is mostly fed in the form of a spool) during the wire-releasing process, thereby affecting the tension uniformity of the wire. In order to solve the above-mentioned problems, the spindle tension control device 1 according to the present invention further includes a transition roller 43 provided on the support plate 10, and in use, the thread-like material is pulled out from the thread-like material roll, passed through the transition roller 43, and wound around the swing roller 42. After the transition of the transition roller 43, the spindle tension control device 1 controls the tension of the linear material between the transition roller 43 and the swinging roller 42, so that the influence of the clamping of the raw material roll on the tension of the linear material can be effectively prevented, and after the transition roller 43 is used, the tension of the linear material can not be influenced by the change of the diameter of the roll, and the tension detection can be more accurate.

The first transmission device 30 of the present invention has a synchronous belt and synchronous pulley structure, and specifically includes a first synchronous pulley 32 and a second synchronous pulley 33 connected via a synchronous belt 31, wherein the first synchronous pulley 32 is disposed at the driving end of the driving source 20, and the second synchronous pulley 33 is fixedly disposed with the main shaft 41 via a tension member 34. As shown in fig. 2 and 3, the spindle tension control device according to the present invention further includes an overload protection mechanism 90, wherein the overload protection mechanism 90 is connected to the first transmission device 30, specifically, the overload protection mechanism 90 is fixedly connected to the second synchronous pulley 33, and the other end of the overload protection mechanism 90 is connected to the wire coil. When the wire-like material roll is suddenly subjected to a large force, the wire-like material roll is disconnected from the second timing pulley 33 by the overload protection mechanism 90, so that the drive source 20 and the main shaft 41 are prevented from being damaged by the excessive force applied to the wire-like material roll, and the accuracy of tension control is prevented from being affected.

Specifically, the overload protection mechanism 90 includes a mounting seat 91, a plurality of magnets 92 disposed in the mounting seat 91, and an overload board 93 covered on the magnets 92 by magnetic attraction, wherein the overload board 93 is made of magnetic material for generating magnetic attraction with the magnets 92, and the magnetic attraction between the magnets 92 and the overload board 93 is greater than the gravity of the linear material roll. When the linear material roll is used, the linear material roll is arranged on the main shaft 41, the overload plate 93 is fixedly connected with the linear material roll, the linear material roll is connected with the synchronous pulley through the magnetic attraction force of the magnet 92 to the overload plate 93, and then the linear material roll is connected with the driving source 20, and when the tensile force applied to the linear material roll is larger than the magnetic attraction force between the magnet 92 and the overload plate 93, the overload plate 93 is separated from the magnet 92, namely the linear material roll is disconnected with the driving source 20.

As shown in fig. 6, the present invention further discloses a spindle rack 100, where the spindle rack 100 includes a rack body 2, and further includes a plurality of spindle tension control devices 1, where the plurality of spindle tension control devices 1 are disposed on the rack body 2. The number of spindle tension control devices 1 is set according to the requirement. The wire threading mechanism 3 is further arranged on the frame body 2, so that the wire-shaped materials on the spindle paying-off device 1 at a plurality of different positions (like the positions with the same height) are sorted and separated through the wire threading mechanism 3 and are supplied to a subsequent process, the wire threading mechanism further comprises a wire supporting roller 4 and a wire breakage detection element 5, the wire supporting roller 4 is arranged between the wire threading mechanism 3 and the spindle paying-off device 1 and is higher than the wire breakage detection element 5, when the wire-shaped materials are disconnected between the wire threading mechanism 3 and the spindle paying-off device 1, the wire breakage of the wire-shaped materials can fall on the wire breakage detection element 5, the wire breakage detection element 5 detects the wire breakage materials and feeds the wire breakage signals back to the control system for wire breakage treatment, and when the wire-shaped materials are normally unreeled, the wire supporting roller 4 supports the wire-shaped materials, and the wire breakage detection element 5 is prevented from being contacted and affecting normal paying-off production. The spindle frame 100 transfers the linear material after being led out from the plurality of direct-connected spindle tension control devices 1 to a subsequent process, such as transferring to an extruder for coating the linear material for producing tires.

When the wire is in a stable unreeling stage, the tension detected by the tension sensor 72 is transmitted to a control system (not shown), and the power output of the driving source 20 is adjusted by the control system, so that the unreeling speed of the wire is adjusted, and the tension arm 60 is maintained within a certain constant angle range by matching the external unreeling tension F and the outer diameter of the wire, thereby realizing the unreeling of the wire at the same unreeling speed and with constant tension. In the pre-production debugging stage, the multi-spindle tension control device 1 is debugged at the same time, and in order to simplify the debugging, a control system is matched with the angular displacement sensor 80 to uniformly control the driving source 20 on the multi-spindle tension control device 1 to drive the tension arm 60 to achieve the same set angle. Since the production and installation of the components on the spindle tension control device 1 are within a certain tolerance, when the control system sets the tension arms 60 on the multi-spindle tension control device 1 to the same set angle, the tension of the linear material being guided through the multi-spindle tension control device 1 is not completely uniform, and there is a difference. The tension of the linear material is adjusted by the correction of the tension adjustment detection assembly 70 to thereby improve the tension uniformity of the different strand materials.

The invention mainly improves the detection accuracy of the tension sensor 72 by arranging the spindle tension control device 1 with the tension sensor 72 directly connected with the elastic element 71, and improves the debugging accuracy by arranging the amplifying adjusting piece to adjust the tension of the linear material, thereby ensuring the tension consistency of the linear material among different strands. The tension of the linear material is comprehensively adjusted by arranging the angular displacement sensor and the balance weight, so that the tension of the linear material is more accurately adjusted, the driving source and the main shaft are protected by arranging the overload protection mechanism, the driving source and the main shaft are ensured to be damaged in use, the accuracy of the spindle tension control device in the use process is further ensured, and the operation safety of equipment is improved by arranging the lengthening adjusting piece, so that personnel are protected from being damaged.

The foregoing is only a few embodiments of the present application, and is intended to illustrate the technical concept and features of the present application, and any equivalent changes or alternative technical solutions that will be apparent to those skilled in the art in light of the technical content of the present application should be included in the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a direct-connected spindle tension control device, its characterized in that includes the backup pad, sets up the actuating source in the backup pad, the main shaft of being connected with the actuating source through first transmission to and set up first supporting mechanism in the backup pad, the main shaft rotatable setting is on first supporting mechanism, still includes the tension arm, the tension arm has tension arm first tip, tension arm first tip is connected with the oscillating roller, still includes tension adjustment detection subassembly, tension adjustment detection subassembly includes elastic element, tension sensor and adjustment mechanism, tension sensor has tension sensor first tip and tension sensor second tip, tension sensor first tip is connected with elastic element, tension sensor second tip is connected with adjustment mechanism, elastic element keeps away from the one end of being connected with tension sensor and is connected with tension arm.

2. The direct-connection spindle tension control device according to claim 1, further comprising a tension frame connected with the first supporting mechanism, wherein the adjusting mechanism is arranged on the tension frame and comprises an adjusting base, an adjusting rod and an amplifying adjusting piece arranged on the adjusting base, the adjusting rod is movably arranged on the adjusting base, one end of the amplifying adjusting piece is arranged on the adjusting rod, one end of the adjusting rod, which is far away from the amplifying adjusting piece, is provided with a connecting piece, the tension frame is provided with a slot hole, the connecting piece passes through the slot hole, and one end of the connecting piece, which is far away from the adjusting rod, is connected with the tension sensor.

3. The direct-connection spindle tension control device according to claim 2, wherein the amplifying adjusting member is a worm wheel and a worm, the worm wheel and the worm are vertically meshed, the worm is rotatably arranged on the adjusting base, and the worm wheel is arranged on the adjusting rod in a threaded fit manner.

4. A direct-connect spindle tension control device as recited in claim 3 wherein said worm has an adjustment end with a detachable elongated adjustment member disposed thereon.

5. The direct-connect spindle tension control device of claim 1, further comprising a transition roller disposed on the support plate.

6. The direct-connection spindle tension control device according to claim 1, wherein the first transmission device is of a synchronous belt and synchronous pulley structure, and comprises a first synchronous pulley and a second synchronous pulley which are connected through the synchronous belt, wherein the first synchronous pulley is arranged at the driving end of the driving source, and the second synchronous pulley is fixedly arranged with the main shaft.

7. The direct-connect spindle tension control device according to any one of claims 1 to 6, further comprising an overload protection mechanism connected to the first transmission device, the other end of the overload protection mechanism being connected to the wire-like roll, the overload protection mechanism comprising a mounting seat, a plurality of magnets disposed in the mounting seat, and an overload plate covering the magnets by magnetic attraction.

8. The direct-connect spindle tension control device of any one of claims 1-6, further comprising a second support mechanism, the tension arm having a tension arm second end rotatably disposed in the second support mechanism by a rotating shaft, and further comprising an angular displacement sensor, the rotating shaft being connected to the angular displacement sensor at an end thereof remote from the tension arm.

9. The direct-connect spindle tension control device of any one of claims 1-6, wherein the tension arm further has a tension arm third end having a weight disposed thereon.

10. The utility model provides a spindle frame, includes the support body, sets up the threading mechanism on the support body, holds in the palm silk roller and broken material detecting element, its characterized in that still includes a plurality of direct-connected spindle tension controlling means of any one of claims 1 to 9, direct-connected spindle tension controlling means sets up on the support body.