CN218879018U

CN218879018U - Cable paying out machine with stable tension

Info

Publication number: CN218879018U
Application number: CN202223428645.4U
Authority: CN
Inventors: 张伟; 郭龙平
Original assignee: Shenzhen Jiutong Technology Co ltd
Current assignee: Shenzhen Jiutong Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-04-18
Anticipated expiration: 2032-12-20

Abstract

The application relates to a cable pay-off machine with stable tension, which belongs to the field of cable production and manufacturing and is mainly applied to paying off a cable on a wire coil to an injection molding cladding machine under the condition of keeping certain tension, and comprises an installation bracket, a pay-off mechanism and a control mechanism, wherein the pay-off mechanism is arranged on the installation bracket and comprises a pay-off shaft, a transmission assembly and a limiting assembly for blocking the pay-off shaft from sliding along the installation and disassembly directions; the control mechanism comprises a magnetic powder brake and a tension controller electrically connected with the magnetic powder brake. Through the rotational speed and the torque to tension controller input signal in order to control magnetic powder brake to the rotational speed and the torque of accessible transmission assembly control unwrapping wire axle realize then that the stable tensioning of drum unwrapping wire in-process exists the problem of control instability in order to improve the friction force control tension structure.

Description

Cable paying out machine with stable tension

Technical Field

The application relates to the field of cable manufacturing, in particular to a cable paying-off machine stable in tension.

Background

The cable is an electric energy or signal transmission device and is commonly used in various fields of aviation, aerospace, warships, medical treatment and the like. In the process of processing and manufacturing the cable, the outer peripheral wall of the cable needs to be coaxially coated with an insulating layer, so that the cable on a drum needs to be paid off to an injection molding coating machine by a paying-off machine under the condition of keeping a certain tension.

The pay-off machine in the related technical means generally adopts friction tension control, and generally comprises a mounting bracket, a pay-off shaft rotatably arranged on the mounting bracket, friction plates clamped and arranged at two shaft ends of a wire coil, two springs respectively arranged in the two friction plates, and an elastic force control system. The cable is wound on the wire coil, the wire coil and the pay-off shaft are coaxially and fixedly arranged, and the elasticity control system controls the friction force between the friction plate and the pay-off shaft through the elasticity of the two springs, so that the rotation speed of the pay-off shaft is controlled to keep the pay-off tension of the wire coil. However, the structure has the problem that the spring is easy to elastically fatigue to cause the elastic force to decline in the long-term working process, so that the friction control is unstable, and the paying-off tension of the wire coil is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the control of friction force is unstable and influences the paying-off tension of a wire coil in a friction force adjusting structure, the application provides a cable paying-off machine with stable tension.

The application provides a stable cable paying out machine of tension adopts following technical scheme.

A tension stabilized cable payout machine comprising:

mounting a bracket;

the pay-off mechanism is provided with a pay-off shaft for coaxially fixing a wire coil and a transmission assembly for limiting the rotating speed of the pay-off shaft, and the pay-off shaft is rotatably arranged on the mounting bracket;

the control mechanism comprises a magnetic powder brake for limiting the rotation speed of the transmission assembly and a tension controller for controlling the rotation speed and the torque of the magnetic powder brake; the magnetic powder brake set up in installing support just magnetic powder brake's rotation axis passes through drive assembly with paying out shaft synchronous rotation, tension controller fixed set up in installing support and with magnetic powder brake electric connection.

By adopting the technical scheme, the tension controller can input signals to control the rotating speed and the torque of the magnetic powder brake, so that the rotating speed and the torque of the pay-off shaft are controlled through the transmission assembly, and then the stable tensioning in the pay-off process of the cable is realized; compared with a structure for controlling the tension through friction, the structure has the advantage that the tension is controlled more accurately and stably.

Optionally, the transmission assembly comprises a brake gear coaxially and fixedly arranged with a rotating shaft of the magnetic powder brake and a tension gear coaxially and fixedly arranged with the pay-off shaft, and the brake gear and the tension gear are meshed with each other.

Through adopting above-mentioned technical scheme, thereby brake gear and tension gear intermeshing set up and make transmission structure more stable than the belt drive, then further improved tension control's stability and accuracy nature.

Optionally, the pay-off shaft is provided with first apex cone and second apex cone coaxially and fixedly, first apex cone with be formed with the coaxial tight space of clamp that is used for pressing from both sides tight and coaxial fixed drum between the second apex cone, first apex cone reaches the second apex cone all has the friction surface that is used for extending into drum inner perisporium with chucking drum.

Through adopting above-mentioned technical scheme, first addendum cone and second addendum cone fix the drum joint on the paying off shaft to make it can not produce relative slip along direction of rotation and paying off shaft at the rotation in-process, improved the stability that tension controller passes through paying off shaft control drum rotational speed and torque, realize then that the drum keeps the effect of certain tension unwrapping wire all the time.

Optionally, the shaft end of the first tip cone far away from the wire coil is provided with a wire coil abutting end, and the wire coil abutting end penetrates through a limiting abutting rod which is abutted against the peripheral wall of the paying-off shaft.

Through adopting above-mentioned technical scheme, the position of the adjustable fixed first addendum cone of spacing pole to but make the drum of paying out shaft adaptation installation different models, improved holistic product compatibility.

Optionally, the pay-off mechanism further comprises rotating bearings fixedly arranged at two shaft ends of the pay-off shaft in a one-to-one correspondence manner, outer rings of the rotating bearings are fixedly arranged on the mounting bracket, and inner rings of the rotating bearings are coaxially clamped with the outer peripheral surface of the pay-off shaft; the mounting bracket corresponds two the rolling bearing is provided with two spacing card strips, spacing card strip butt set up in the rolling bearing is close to drive assembly's terminal surface.

Through adopting above-mentioned technical scheme, two spacing card strip one-to-one butt are close to the terminal surface of transmission assembly in rolling bearing to make rolling bearing can not slide along the direction that is close to transmission assembly, then make the unwrapping wire axle can not slide in installing support along its axis direction, further improved this application tension control's stability.

Optionally, two rolling bearing all is provided with and is used for blockking the payoff axle is along the installation with dismantle the spacing subassembly that the direction slided, spacing subassembly includes the edge the fixed limit baffle that sets up of payoff axle installation direction and edge the vertical elbow that the direction set up was dismantled to the payoff axle presss from both sides, limit baffle with the tapered end that vertical elbow pressed from both sides encloses jointly and closes the formation and be used for blockking rolling bearing is along the perpendicular to the separation that the axis direction removed in the payoff axle keeps off the space.

By adopting the technical scheme, the spacing rotating bearing is limited by the spacing space, so that the freedom degree of the pay-off shaft sliding on the mounting bracket along the direction vertical to the central axis of the pay-off shaft is limited, the pay-off shaft drives the wire coil to stably rotate, and the stability of tension control is improved; meanwhile, the lock head of the vertical elbow clamp can be used for releasing the enclosing state of the partition space, so that the paying-off shaft is convenient to disassemble and assemble.

Optionally, the mounting bracket corresponds two the spacing card strip is provided with two horizontal support portions, horizontal support portion follows paying out spool dismantlement direction downwardly extending has the direction rake.

Through adopting above-mentioned technical scheme, the setting up of direction rake provides the direction support for the installation and the dismantlement of paying out spool, can realize the stable installation and the dismantlement of paying out spool, simple structure, convenient operation.

Optionally, the limit baffle is provided with and is used for fixing the vertical fixed part that vertical elbow pressed from both sides and is used for blockking the rolling bearing follows the spacing portion of bending that the unwrapping wire axle installation direction slided, the spacing portion of bending fixed set up in the installing support roof and the tapered end that vertical elbow pressed from both sides encloses jointly and closes the formation separate the fender space.

Through adopting above-mentioned technical scheme, vertical elbow presss from both sides through vertical fixed part and stable fixed setting, and the setting of the spacing portion of bending forms with vertical elbow presss from both sides the cooperation and separates the fender space in order to realize blockking that rolling bearing slides along the installation of unwrapping wire axle and dismantlement direction, has simplified overall structure, convenient realization and operation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. has higher tension control stability and accuracy. Tension controller and magnetic powder brake electric connection to the accessible inputs the rotational speed of tension value signal in order to control the magnetic powder brake rotation axis to tension controller, then through the rotational speed of brake gear restriction tension gear, thereafter through the rotational speed of tension gear restriction paying out shaft, finally realizes the control to drum unwrapping wire tension, and the structure of contrast spring control drum tension possesses higher control stability and accuracy nature.

2. The installation and the dismantlement of paying out spool are made things convenient for. The limiting baffle and the vertical elbow clamp jointly enclose to form a blocking space for limiting the rotating bearing to move along the mounting and dismounting directions of the pay-off shaft, and the limiting baffle is fixedly arranged on the top wall of the mounting bracket along the mounting direction of the pay-off shaft, so that a limiting surface is provided for mounting the pay-off shaft; vertical elbow presss from both sides and sets up in the installing support roof along the dismantlement direction of unwrapping wire axle to the tapered end that the accessible was pressed from both sides to the vertical elbow of control removes the enclosure state that separates the fender space, vacates the space then and has made things convenient for the dismantlement of unwrapping wire axle.

Drawings

FIG. 1 is an isometric view of the overall structure in an embodiment of the present application;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

fig. 3 shows a cross-sectional view of the overall structure in an embodiment of the present application.

Description of reference numerals:

100. mounting a bracket; 110. a horizontal support portion; 120. a guide slope portion; 130. limiting clamping strips; 200. a pay-off mechanism; 210. a pay-off shaft; 220. a transmission assembly; 221. a brake gear; 222. a tension gear; 230. a first tip cone; 240. a second tip cone; 250. rotating the bearing; 260. a limiting component; 261. a limit baffle; 2611. a vertical fixing portion; 2612. bending the limiting part; 262. vertically clamping the elbow; 300. a control mechanism; 310. a hollow support frame; 320. a magnetic powder brake; 330. a tension controller.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses cable paying out machine that tension is stable. Referring to fig. 1, the cable pay-off machine with stable tension comprises a mounting bracket 100, a pay-off mechanism 200 and a control mechanism 300, wherein the pay-off mechanism 200 and the control mechanism 300 are arranged on the mounting bracket 100, the pay-off shaft 210 is arranged on the mounting bracket 100 and used for coaxially penetrating and fixing a wire coil, and the transmission assembly 220 is used for limiting the rotation speed of the pay-off shaft 210, so that the rotation speed of the transmission assembly 220 can be controlled to control the rotation speed of the wire coil along with the pay-off shaft 210, and the effect that the wire coil always keeps a certain tension for paying off is achieved; the control mechanism 300 includes a hollow support frame 310 fixedly disposed on the top of the mounting bracket 100, a magnetic powder brake 320 rotatably disposed on the hollow support frame 310, and a tension controller 330 fixedly disposed on the top wall of the mounting bracket 100, wherein the tension controller 330 is electrically connected to the magnetic powder brake 320, so that the rotation speed and torque of the magnetic powder brake 320 can be controlled by inputting signals to the tension controller 330. Thereby the stable cable paying out machine of tension that installing support 100 bottom was provided with the universal wheel has possessed the mobility in making this application embodiment, has improved holistic product compatibility.

It is further explained that the tension controller 330 is an industrial instrument device for controlling the tension of the strip and line products, and is developed by a single chip or some embedded devices and peripheral circuits. The tension controller 330 has the functions of manual control, coil diameter calculation and taper adjustment, can directly set a tension value required to be controlled, directly inputs a signal of a tension sensor (a special sensor matched with the tension controller 330) as a tension feedback value, and achieves the purposes of minimum deviation and fastest system response after processing and control; the processing signal of the tension controller 330 is generally in millivolt level, and has a control effect with high accuracy and high stability.

Referring to fig. 1, the transmission assembly 220 is composed of a brake gear 221 and a tension gear 222 disposed to mesh with each other. The rotating shaft of the magnetic powder brake 320 is arranged through the hollow support frame 310 and coaxially and fixedly arranged with the brake gear 221, and the tension gear 222 is coaxially and fixedly arranged with the pay-off shaft 210, so that stable transmission can be realized to control the rotating speed of the pay-off shaft 210 by the magnetic powder brake 320. The implementation principle of the stable cable paying out machine of tension of this application embodiment is: a tension value signal is input to the tension controller 330 to control the rotating speed of the rotating shaft of the magnetic powder brake 320, then the rotating speed of the tension gear 222 is limited through the brake gear 221, and then the rotating speed of the pay-off shaft 210 is limited through the tension gear 222, so that the tension control of the pay-off of the wire coil is finally realized.

Referring to fig. 2 and 3, the paying-off shaft 210 is fixedly provided with a first tip cone 230 and a second tip cone 240 at the left end and the right end of the wire coil, the first tip cone 230 has a conical fixed end extending to the inner peripheral wall of the wire coil and a wire coil abutting end abutting against the left end wall of the wire coil, the outer peripheral wall of the conical fixed end abuts against the inner peripheral wall of the wire coil to form a friction surface for clamping the wire coil, and the wire coil abutting end abuts against the left end wall of the wire coil to limit the wire coil to slide towards the left along the central axis direction of the paying-off shaft 210; the spacing pole that supports of butt in paying out shaft 210 periphery wall is worn to establish through having the butt to drum butt end screw thread to make first apex cone 230 and paying out shaft 210 stable fixed setting, realize then that the drum rotates with paying out shaft 210's synchronization. The second tip cone 240 has the same structure and symmetrical shape with the first tip cone 230, so that the wire coil is limited to slide rightwards along the central axis of the paying-off shaft 210, and the wire coil is stably fixed on the paying-off shaft 210, and the tension control of paying-off of the wire coil is realized by controlling the rotating speed of the paying-off shaft 210.

Referring to fig. 1, the mounting bracket 100 is symmetrically provided with two horizontal supporting portions 110 on the left and right, the two horizontal supporting portions 110 are respectively provided with a guiding inclined portion 120 in a one-to-one correspondence manner, and the guiding inclined portion 120 extends downwards along the dismounting direction of the pay-off shaft 210, so that guiding support is provided for the mounting and dismounting of the pay-off shaft 210. It is further explained that the direction of the paying-off shaft 210 along the lower end wall of the guiding inclined part 120 passing through the horizontal supporting part 110 and approaching the magnetic powder brake 320 is the installation direction of the paying-off shaft 210, and conversely, the dismounting direction of the paying-off shaft 210. Because in the embodiment of the present application, the mounting bracket 100 is a mirror-image symmetric structure, and a left side structure is taken as an example to describe in detail herein, one end of the guiding inclined portion 120 close to the tension gear 222 is integrally formed with a limiting clamping strip 130, the limiting clamping strip 130 extends to the horizontal supporting portion 110 along a lower end of the guiding inclined portion 120, one end of the limiting clamping strip 130 far away from the tension gear 222 is provided with a rotating bearing 250 in an abutting manner, an inner ring of the rotating bearing 250 is coaxially clamped with an outer peripheral wall of the pay-off shaft 210, and an outer ring of the rotating bearing 250 is fixedly arranged on the mounting bracket 100. Therefore, the rotating bearing 250 on the left side is limited by the limiting clamping strip 130 on the left side and cannot slide rightwards, and similarly, the rotating bearing 250 on the right side cannot slide leftwards, so that the freedom degree of the left-right sliding of the pay-off shaft 210 is limited.

Referring to fig. 1 and 2, the pay-off mechanism 200 further includes a limiting component 260 disposed in one-to-one symmetry with the two rotating bearings 250, and the pay-off mechanism 200 in the embodiment of the present application is mirror-symmetrical in left and right, and is also described in detail herein by taking the left structure as an example. Spacing subassembly 260 includes along the fixed spacing baffle 261 that sets up of paying out shaft 210 installation direction and the vertical elbow that sets up along paying out shaft 210 dismantles the direction and presss from both sides 262, spacing baffle 261 encloses with vertical elbow presss from both sides 262 jointly and forms the fender space that separates that is used for blockking that rolling bearing 250 removes along the installation of paying out shaft 210 and dismantles the direction, thereby restricted paying out shaft 210 along being close to or keeping away from the horizontal migration in brake gear 221 direction through spacing rolling bearing 250, the tapered end of control vertical elbow press from both sides 262 moves towards the direction of keeping away from installing support 100 and can relieve the state of enclosing that separates the fender space, thereby vacate space easy to assemble or dismantle paying out shaft 210.

Further, referring to fig. 2, the limiting baffle 261 in the embodiment of the present application is a sheet metal welded component, which is integrally formed with a bending limiting portion 2612 fixedly disposed on the top wall of the mounting bracket 100 and a vertical fixing portion 2611 vertically extending upward along the top end of the bending limiting portion 2612, and the vertical elbow clamp 262 and the vertical fixing portion 2611 are fixedly disposed; spacing portion 2612 and the vertical fixed part 2611 integrated into one piece of bending sets up and follows vertical fixed part 2611 bottom towards the horizontal extension of paying out shaft 210 installation direction, then vertical downwardly extending, thereby it encloses jointly with vertical elbow clamp 262 tapered end and separates the fender space to be fixed in mounting bracket 100 roof along paying out shaft 210 installation direction extension once more at last, simple structure and conveniently realize the spacing to swivel bearing 250.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereby. Wherein like parts are designated by like reference numerals. It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a stable cable paying out machine of tension which characterized in that includes:

a mounting bracket (100);

the paying-off mechanism (200) is provided with a paying-off shaft (210) for coaxially fixing a wire coil and a transmission assembly (220) for limiting the rotating speed of the paying-off shaft (210), and the paying-off shaft (210) is rotatably arranged on the mounting bracket (100);

a control mechanism (300), said control mechanism (300) comprising a magnetic particle brake (320) for limiting the rotational speed of said drive assembly (220) and a tension controller (330) for controlling the rotational speed and torque of said magnetic particle brake (320); magnetic powder brake (320) set up in installing support (100) and the rotation axis of magnetic powder brake (320) passes through drive assembly (220) with paying out shaft (210) synchronous revolution, tension controller (330) fixed set up in installing support (100) and with magnetic powder brake (320) electric connection.

2. The tension-stabilized cable pay-off machine according to claim 1, characterized in that the transmission assembly (220) comprises a brake gear (221) fixedly arranged coaxially with the rotation axis of the magnetic powder brake (320) and a tension gear (222) fixedly arranged coaxially with the pay-off shaft (210), the brake gear (221) and the tension gear (222) being arranged in mesh with each other.

3. The tension-stabilized cable pay-off machine as claimed in claim 1, wherein the pay-off shaft (210) is coaxially and fixedly provided with a first tip cone (230) and a second tip cone (240), a coaxial clamping space for clamping and coaxially fixing the wire coil is formed between the first tip cone (230) and the second tip cone (240), and the first tip cone (230) and the second tip cone (240) are provided with friction surfaces for extending into the inner peripheral wall of the wire coil to clamp the wire coil.

4. The cable pay-off machine stable in tension as claimed in claim 3, wherein the end of the first tip cone (230) far away from the cable drum is provided with a cable drum abutting end, and the cable drum abutting end penetrates through a limiting abutting rod abutting against the outer circumferential wall of the pay-off shaft (210).

5. The cable pay-off machine with stable tension as claimed in claim 1, wherein the pay-off mechanism (200) further comprises rotary bearings (250) fixedly arranged at two shaft ends of the pay-off shaft (210) in a one-to-one correspondence manner, outer rings of the rotary bearings (250) are fixedly arranged on the mounting bracket (100), and inner rings of the rotary bearings (250) are coaxially clamped with the outer peripheral surface of the pay-off shaft (210); installing support (100) correspond two rolling bearing (250) are provided with two spacing card strip (130), spacing card strip (130) butt set up in rolling bearing (250) are close to the terminal surface of drive assembly (220).

6. The cable pay-off machine with stable tension as claimed in claim 5, wherein two said rotating bearings (250) are provided with a limiting component (260) for blocking said pay-off shaft (210) from sliding along the installation and disassembly directions, said limiting component (260) comprises a limiting baffle (261) fixedly arranged along the installation direction of said pay-off shaft (210) and a vertical elbow clip (262) arranged along the disassembly direction of said pay-off shaft (210), said limiting baffle (261) and the locking head of said vertical elbow clip (262) jointly enclose to form a blocking space for blocking said rotating bearing (250) from moving along the direction perpendicular to the central axis of said pay-off shaft (210).

7. The tension-stabilized cable pay-off machine as claimed in claim 5, wherein the mounting bracket (100) is provided with two horizontal supporting portions (110) corresponding to the two limiting clamping strips (130), and the horizontal supporting portions (110) are provided with guiding inclined portions (120) extending downwards along the dismounting direction of the pay-off shaft (210).

8. The tension-stabilized cable pay-off machine as claimed in claim 6, wherein the limiting baffle (261) is provided with a vertical fixing portion (2611) for fixing the vertical elbow clip (262) and a bending limiting portion (2612) for blocking the rotating bearing (250) from sliding along the installation direction of the pay-off shaft (210), and the bending limiting portion (2612) is fixedly arranged on the top wall of the mounting bracket (100) and the locking heads of the vertical elbow clip (262) jointly enclose the blocking space.