Balanced clamping device for fiber tows for hair

Abstract

The utility model discloses a hair fiber tow balanced clamping device which comprises a rotary power driving mechanism, a cylindrical shell, a bottom cover plate and a top cover plate, the center line of the cylindrical shell is arranged in the vertical direction, the bottom cover plate is installed at the bottom of the cylindrical shell, a lower round hole is formed in the center of the bottom cover plate, and the outer circle of the top cover plate is rotationally connected with the inner circle of the cylindrical shell through a large bearing. An upper round hole vertically corresponding to the lower round hole is formed in the center of the top cover plate, and the rotary power driving mechanism is in transmission connection with the top cover plate; a necking-down type circle clamping assembly with the upper end in transmission connection with the top cover plate is arranged in the cylindrical shell, and the lower end of the necking-down type circle clamping assembly is connected to the bottom cover plate in a sliding mode. The clamping device is scientific in principle and compact in structure, centripetal clamping of hair fiber tows is achieved in the mode that the eight clamping blocks are necked at the same time, the clamping force can be adjusted, it is guaranteed that the tows basically have no hair and are not clamped, it is avoided that many hair is combed down during combing operation, and therefore the combing effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hair use fiber production technical field, concretely relates to a hair use fiber tow balanced clamping device. BACKGROUND

[0002] Hair use fiber tow (wig tow) during hair combing operation, usually need to clamp one end of the tow, currently generally adopt similar flat clamping opening structure of vice to clamp the tow, because the left and right sides of flat clamping opening are not closed, the tow will spread to the left and right sides of flat clamping opening after being stressed, and part of hair will not be clamped, and will be combed down in the combing process, and the combing tow is obviously reduced and thinned. CONTENT OF UTILITY MODEL

[0003] In order to solve the above technical problems in the prior art, the utility model provides a hair use fiber tow balanced clamping device driven by motor, which can clamp the tow entirely and balance the clamping force.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a hair use fiber tow balanced clamping device, which comprises a rotary power driving mechanism, a cylindrical shell, a bottom cover plate and a top cover plate, the center line of the cylindrical shell is arranged in a vertical direction, the bottom cover plate is installed at the bottom of the cylindrical shell, a lower circular hole is formed in the center of the bottom cover plate, an annular partition is integrally arranged in the inner circle of the cylindrical shell, the top cover plate is arranged on the upper part of the annular partition, the outer circle of the top cover plate is rotatably connected to the inner circle of the cylindrical shell through a large bearing, an upper circular hole corresponding to the lower circular hole is formed in the center of the top cover plate, and the rotary power driving mechanism is in transmission connection with the top cover plate; a necked circular clamping assembly is arranged in the cylindrical shell and in transmission connection with the top cover plate at the upper end, and the lower end of the necked circular clamping assembly is slidably connected to the bottom cover plate.

[0005] The rotary power driving mechanism comprises a servo motor, a driving gear and a sector gear, the sector gear is fixedly connected to the rear side of the top surface of the top cover plate through an upper screw, the sector gear is concentric with the top cover plate, the servo motor is vertically arranged at the rear side of the cylindrical shell, the driving gear is installed at the upper end of the main shaft of the servo motor, and the driving gear is in meshing connection with the sector gear.

[0006] The constricted round clamping assembly comprises eight clamping blocks arranged in a circumferential array around the center line of the cylindrical shell, each clamping block is in isosceles right triangle structure, a wheel shaft is vertically arranged on each clamping block, an upper roller is arranged on the upper end of the wheel shaft and located above the clamping block, a lower roller is arranged on the lower end of the wheel shaft and located below the clamping block, a long slot is arranged on one right angle side of each clamping block, a concave sliding block is fixedly arranged on the other right angle side of each clamping block by an L-shaped connecting piece, the concave sliding block is provided with a groove corresponding to the long slot, a row of balls is arranged on the two sides of the groove, a linear guide rail is arranged on the hypotenuse of each clamping block, and an elongated sliding groove is arranged on the two sides of the linear guide rail and can roll with the row of balls;

[0007] The anti-winding sliding block and the linear guide rail of the hypotenuse of one clamping block are in sliding cooperation with the long slot and the two rows of balls on the two sides of the concave sliding block of one adjacent right angle side of the clamping block, and the long slot and the two rows of balls on the two sides of the concave sliding block of the right angle side of the clamping block are in sliding cooperation with the anti-winding sliding block and the linear guide rail of the hypotenuse of another adjacent clamping block;

[0008] Eight lower fixed guide grooves are arranged on the bottom cover plate in a circumferential array around the center line of the cylindrical shell, and each lower roller is correspondingly inserted into and rollingly connected in one lower fixed guide groove; eight upper driving guide grooves are arranged on the top cover plate in a circumferential array around the center line of the cylindrical shell, and each upper roller is correspondingly inserted into and rollingly connected in one upper driving guide groove, and the right angle sides of the eight clamping blocks with the long slots are combined to form a scalable regular octagonal round clamping opening.

[0009] An annular cover plate is arranged on the upper end of the cylindrical shell and seals the large bearing, the annular cover plate is connected with the upper end of the cylindrical shell through vertically arranged upper sunk head bolts, and the bottom cover plate is connected with the lower end of the cylindrical shell through vertically arranged lower sunk head bolts.

[0010] Compared with the prior art, the technical scheme has the following beneficial effects:

[0011] (1) The servo motor drives the upper cover plate to rotate through gear transmission (the driving gear drives the arc gear), eight upper driving guide grooves are arranged on the bottom surface of the upper cover plate and drive the upper rollers, the lower rollers coaxial with the upper rollers move in the eight lower fixed guide grooves arranged on the lower cover plate, so that eight isosceles right triangle clamping blocks are linked, the expansion and contraction of the octagonal circle clamping opening are realized, the moving direction of the clamping blocks is along the length direction of the lower fixed guide groove, and the upper driving guide groove drives the clamping blocks to move in the rotating process. The sliding structure between the adjacent two clamping blocks is designed ingeniously, the close sliding cooperation between the anti-winding hair sliding block and the long groove ensures that the hair in the fiber bundle cannot enter the long groove. The sliding cooperation between the two rows of balls on the two sides of the concave sliding block of the right angle side of the clamping block and the two elongated sliding grooves on the two sides of the linear guide rail of the inclined side of the adjacent clamping block ensures the requirement of the tightness of the adjacent clamping blocks, reduces the sliding friction force, and improves the reliability of movement.

[0012] (2) The annular cover plate plays the role of sealing the large bearing and axially limiting the top cover plate. Through the upper and lower sink head bolts, the installation and disassembly of the components of the whole device are facilitated.

[0013] (3) The upper end of the hair fiber bundle extends into the octagonal circle clamping opening, the servo motor rotates to drive the six clamping blocks to slide synchronously, the octagonal circle clamping opening is contracted, the length of the octagonal side is shortened to form a circular clamping opening, the hair fiber bundle is clamped, each clamping block generates a clamping force on the hair fiber bundle, the clamping force is a centripetal force, and each hair in the hair fiber bundle is clamped. And by setting the torque of the servo motor, the clamping force is prevented from being overloaded to damage the servo motor. When the servo motor reaches the set torque, the constant clamping force on the hair fiber bundle is realized.

[0014] In summary, the principle of the utility model is scientific, the structure is compact, the centripetal clamping of the hair fiber bundle is realized by the mode that eight clamping blocks are contracted at the same time, and the clamping force can be adjusted, so that it is ensured that the hair fiber bundle is basically not clamped, and many hairs will not be combed off during the combing operation, so that the combing effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the overall structure schematic diagram of the utility model;

[0016] Figure 2 is the internal structure schematic diagram of the cylinder shell after removing the top cover plate;

[0017] Figure 3 is Figure 2 is the bottom view structure schematic diagram of the top cover plate in the B-B section;

[0018] Figure 4 is Figure 3 is the bottom view structure schematic diagram of the top cover plate in the B-B section;

[0019] Figure 5 isFigure 3 A top view structural schematic diagram of the middle bottom cover plate;

[0020] Figure 6 is Figure 3 A perspective structural schematic diagram of the middle clamp block;

[0021] Figure 7 is Figure 6 A planar structural schematic diagram of the middle A direction. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples.

[0023] As Figures 1-7 shown, the application discloses a spinning fiber tow balanced clamping device, which comprises a rotary power driving mechanism, a cylindrical shell 11, a bottom cover plate 12 and a top cover plate 13, the center line of the cylindrical shell 11 is arranged along the vertical direction, the bottom cover plate 12 is installed at the bottom of the cylindrical shell 11, a lower circular hole 14 is formed in the center of the bottom cover plate 12, an annular partition plate 15 is integrally arranged in the inner circle of the cylindrical shell 11, the top cover plate 13 is arranged at the upper part of the annular partition plate 15, the outer circle of the top cover plate 13 is rotationally connected with the inner circle of the cylindrical shell 11 through a large bearing 16, and an upper circular hole 59 corresponding to the lower circular hole 14 is formed in the center of the top cover plate 13; a necked circular clamping assembly is arranged in the cylindrical shell 11 and is transmissionally connected with the top cover plate 13 at the upper end, and the lower end of the necked circular clamping assembly is slidingly connected with the bottom cover plate 12.

[0024] The rotary power driving mechanism comprises a servo motor 8, a driving gear 9 and a sector gear 10, the sector gear 10 is fixedly connected with the rear side of the top surface of the top cover plate 13 through an upper screw, the sector gear 10 is concentric with the top cover plate 13, the servo motor 8 is arranged at the rear side of the cylindrical shell 11, the driving gear 9 is installed at the upper end of the main shaft of the servo motor 8, and the driving gear 9 is engaged with the sector gear 10.

[0025] The eight clamping blocks 18 are arranged in a circumferential array around the center line of the cylindrical shell 11, each clamping block 18 is in the shape of an isosceles right triangle, a vertical wheel shaft 19 is arranged on each clamping block 18, an upper roller 20 is arranged on the upper end of the wheel shaft 19 and above the clamping block 18, a lower roller 21 is arranged on the lower end of the wheel shaft 19 and below the clamping block 18, a long slot 22 is arranged on one of the right angle edges of each clamping block 18, a concave sliding block 24 is arranged on the other right angle edge of each clamping block 18 adjacent to the long slot 22, the concave sliding block 24 is provided with a concave groove 25 corresponding to the long slot 22, a row of balls 26 is arranged on both sides of the concave groove 25, a linear guide rail 28 is arranged on the hypotenuse of each clamping block 18, an elongated sliding groove 27 is arranged on both sides of the linear guide rail 28 and can roll with the row of balls 26, and an anti-winding sliding block 29 is arranged on the linear guide rail 28 adjacent to the right angle edge with the long slot 22, and the anti-winding sliding block 29 has the same length and width as the long slot 22.

[0026] The anti-winding sliding block 29 and the linear guide rail 28 of the hypotenuse of one clamping block 18 are in sliding cooperation with the long slot 22 of the right angle edge of one adjacent clamping block 18 and the two rows of balls 26 on both sides of the concave sliding block 24, and the long slot 22 of the right angle edge of the clamping block 18 and the two rows of balls 26 on both sides of the concave sliding block 18 are in sliding cooperation with the anti-winding sliding block 29 and the linear guide rail 28 of the hypotenuse of the other adjacent clamping block 18.

[0027] Eight lower fixed guide grooves 31 are arranged on the bottom cover plate 12 in a circumferential array around the center line of the cylindrical shell 11, and each lower roller 21 is correspondingly inserted into and rollingly connected in one lower fixed guide groove 31; eight upper driving guide grooves 32 are arranged on the top cover plate 13 in a circumferential array around the center line of the cylindrical shell 11, and each upper roller 20 is correspondingly inserted into and rollingly connected in one upper driving guide groove 32, and the right angle edges of the eight clamping blocks 18 with the long slots 22 form an octagonal circular clamping opening 30.

[0028] An annular cover plate 7 is arranged on the upper end of the cylindrical shell 11 to seal the large bearing 16, the annular cover plate 7 is connected with the upper end of the cylindrical shell 11 through the vertically arranged upper countersunk head bolts 6, and the bottom cover plate 12 is connected with the lower end of the cylindrical shell 11 through the vertically arranged lower countersunk head bolts 5.

[0029] The specific working process of the utility model is as follows: the upper end of the fiber tow is inserted into the octagon-like round clamping opening 30, the servo motor 8 is started, the servo motor 8 rotates in the positive direction to drive the driving gear 9 to rotate, the driving gear 9 drives the meshing sector gear 10 to rotate, the top cover plate 13 fixedly connected with the sector gear 10 rotates, the eight upper driving guide grooves 32 on the bottom surface of the top cover plate 13 simultaneously drive the eight upper rollers 20 to move, the lower roller 21 coaxial with the upper roller 20 moves along the lower fixed guide groove 31 on the bottom cover plate 12, the eight clamping blocks 18 simultaneously move to the center of the cylindrical shell 11, the anti-winding silk slider 29 slides in the long groove 22, the two rows of balls 26 on the two sides of the recess 25 of the concave slider 24 roll along the linear guide rail 28, the linear guide rail 28 rolls on the two sides of the elongated sliding groove 27, the side length of the octagon-like round clamping opening 30 is shortened, until the eight clamping blocks 18 clamp the whole fiber tow, the clamping force of the clamping block 18 on the fiber tow is determined by the torque of the servo motor 8, the torque of the servo motor 8 is set as the existing conventional technology. The servo motor 8 reversely rotates, so that the fiber tow can be loosened.

[0030] The above examples illustrate the basic principles and characteristics of the utility model, but the above only illustrates the relatively optimal embodiment of the utility model, and is not limited by the described embodiment. Ordinary skilled in the art can make many forms of deformation and improvement under the inspiration of the patent without departing from the purpose of the utility model and the scope protected by the claims, and these all belong to the protection scope of the utility model. Therefore, the utility model patent and the protection scope should be subject to the appended claims.

Claims

1. A device for holding a bundle of hair fibers in a balanced manner, characterized by: The utility model relates to a kind of circular clamping devices, including rotary power drive mechanism, cylinder shell, bottom cover plate and top cover plate, cylinder shell center line is arranged along vertical direction, bottom cover plate is installed at the bottom of cylinder shell, bottom cover plate center is equipped with lower circular hole, cylinder shell inner circle is integrally provided with annular partition, top cover plate is equipped in annular partition upper portion, top cover plate outer circle is rotatably connected between cylinder shell inner circle, top cover plate center is equipped with upper circular hole corresponding with lower circular hole up and down, rotary power drive mechanism is transmissionally connected with top cover plate;Cylinder shell is equipped with necked circular clamping assembly with top cover plate transmission connection upper end, necked circular clamping assembly lower end is slidably connected on bottom cover plate.

2. The hair fiber tow equalization clamp apparatus of claim 1, wherein: Rotary power drive mechanism includes servo motor, driving gear and sector gear, sector gear is fixedly connected with top cover plate top surface rear side by upper screw, sector gear is concentric with top cover plate, servo motor is vertically arranged in the rear side of cylinder shell, driving gear is installed on the main shaft upper end of servo motor, driving gear is engaged with sector gear.

3. The hair fiber tow equalization clamp apparatus according to claim 1 or 2, wherein: Necked circular clamping assembly includes eight clamping blocks arranged in circumferential array around cylinder shell center line, each clamping block is isosceles right triangle structure, one is vertically arranged on each clamping block, upper roller is arranged on the upper end of wheel shaft, lower roller is arranged on the lower end of wheel shaft, one long slot is formed in one right angle edge of each clamping block, one concave slide is fixedly arranged on the other right angle edge of each clamping block by L-shaped connecting piece adjacent to long slot, recess is arranged on the concave slide, recess is provided with a row of balls on both sides, one straight line guide rail is arranged on the inclined edge of each clamping block, straight line guide rail is provided with one elongated sliding groove on both sides, which can be rolled with the row of balls, straight line guide rail is provided with one anti-winding slide block at one end of right angle edge with long slot, the cross-sectional dimension of anti-winding slide block is consistent with long slot; The anti-winding slide block and straight line guide rail of the inclined edge of one clamping block are slidably connected with the long slot and the two rows of balls on both sides of the concave slide of the right angle edge of one adjacent clamping block, and the long slot and the two rows of balls on both sides of the concave slide of the right angle edge of the clamping block are slidably connected with the anti-winding slide block and the straight line guide rail of the inclined edge of another adjacent clamping block. Bottom cover plate is provided with eight lower fixed guide grooves arranged in circumferential array around cylinder shell center line, each lower roller is correspondingly inserted into and rollingly connected in one lower fixed guide groove, top cover plate is provided with eight upper driving guide grooves arranged in circumferential array around cylinder shell center line, each upper roller is correspondingly inserted into and rollingly connected in one upper driving guide groove, the right angle edges of the eight clamping blocks with long slots form a scalable regular octagon clamping opening.

4. The hair fiber tow equalizing clamp apparatus according to claim 1 or 2, wherein: Cylinder shell upper end is provided with annular cover plate for sealing large bearing, annular cover plate is connected with cylinder shell upper end by vertically arranged upper countersunk head bolt, bottom cover plate is connected with cylinder shell lower end by vertically arranged lower countersunk head bolt.

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