CN101444664B

CN101444664B - Racket holding device of racket threading machine

Info

Publication number: CN101444664B
Application number: CN2007101503667A
Authority: CN
Inventors: 黄淑娥
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-26
Filing date: 2007-11-26
Publication date: 2011-01-12
Anticipated expiration: 2027-11-26
Also published as: CN101444664A

Abstract

A racket holding device of racket threading machine comprises a main body provided with a runner, two holding arms respectively arranged at the two sides of the main body and capable of adjusting the distance therebetween; a hooking component arranged in the runner of the main body and capable of moving in the runner; a predetermined number of sensors arranged on the racket holding device for sensing the deflection of the holding arms and hooking component in the holding process to generate sensing signals; and a control module used for summarizing the sensing signals generated by each sensor; therefore, the sensing signals summarized by the control module can determine the cable tension of the racket threading machine so as to reduce the deflection error of the racket in threading process.

Description

The holding device of racket of racket threader

Technical field

The present invention relates to a kind of holding device of racket of racket threader.

Background technology

Existing racket threader, as shown in Figure 5, it is by a pedestal 9, an one anchoring (not shown) and a turntable 91 constitute, these pedestal 9 one ends are provided with the anchoring in order to control racket string degree of tightness, the turntable 91 of the other end for horizontally rotating, this turntable 91 is provided with two adjustable shelfs 92, which is provided with two racket fixtures 93, it comprises a platform 94, one press box spare 96, one screw rod 97 and a knob 98, and has a chute 95 on this platform 94, the displacement that supplies racket fixture 93 to do by a small margin, pass chute 95 with a screw rod 97, generally the press box spare 96 that is cuboid, knob 98, and these screw rod 97 below bolts are fixed in chute 95 places 94 on press box spare 96 and platform with a racket housing 1, and, this racket housing is fixed with knob 98 these press box spares of packing 96.

But when carrying out the threading action, be to clamp racket housing 1 with this fixture 93, then again this racket is carried out the action of threading, yet the wire-drawing tension of threading action can be considered the loading that racket string is born, when the threading operation is carried out, the racket part is installed with line, be that racket is only born loading in the part, this moment is promptly easily because of unbalance stress, and make the racket housing produce distortion, and if under the situation of racket housing distortion, still proceed the threading action, will influence density and the racket string elasticity of racket string on racket, can reduce the yield of racket when the threading operation thus.

Summary of the invention

Technical problem underlying to be solved by this invention is, overcome the above-mentioned defective that prior art exists, and a kind of holding device of racket of racket threader is provided, it can control the wire-drawing tension of racket threader, to reduce the distortion inaccuracy of racket when carrying out threading work.

The technical solution adopted for the present invention to solve the technical problems is:

A kind of holding device of racket of racket threader is characterized in that comprising: a body, and in order to be arranged on the adjustable shelf, these body both sides respectively have a pivot end, and offer a chute on this body, are provided with a knob in this chute; Two jig arm, be articulated in respectively on the pivot end of these body both sides, and can adjust distance between two jig arm so that a racket housing is carried out holding action, and respectively be provided with a holder in the end of this each jig arm, this each holder has a contact-making surface, and this two jig arm is in contact with one another and this racket of clamping with this racket housing with the contact-making surface of its holder respectively; One colludes gripping member, is to be located in the chute of this body, and this colludes gripping member and is subjected to this knob driving and carries out a lateral displacement in this chute; Predetermined number of sensors, at least be located at this body pivot end, this holder contact-making surface maybe this collude gripping member one of them, and collude the deflection of gripping member when carrying out holding action, and convert institute's sensed data to a sensor signal in order to this jig arm of sensing and this; One control module in order to receive and to converge and put in order by the sensor signal that this each inductor produced, determines the threading tension force of racket according to this.

The holding device of racket of aforesaid racket threader, wherein set knob has a rotating part and a screw rod in the chute, the described screw rod that colludes gripping member and this knob joins, and when rotating the rotating part of this knob, this colludes gripping member and can be subjected to this screw rod drive and carry out lateral displacement in this chute.

The holding device of racket of aforesaid racket threader, wherein each inductor is an effector (Strain gauge).

The holding device of racket of aforesaid racket threader, wherein each effector is located at described body pivot end and described colluding on the gripping member respectively, and colludes the shift motion of gripping member when carrying out lateral displacement so as to the pivot pivot angle degree of the described body pivot end of sensing and this.

The holding device of racket of aforesaid racket threader, wherein each inductor is located on the holder of described jig arm respectively and described colluding on the gripping member, and so as to the stress value of the described holder contact-making surface of sensing and collude the shift motion of gripping member when carrying out lateral displacement.

The holding device of racket of aforesaid racket threader wherein also has an anchoring, and this anchoring and described control module link mutually, and this anchoring is subjected to described control module to converge whole sensor signal control to determine the tension force size of its racket threading.

The holding device of racket of aforesaid racket threader, wherein each inductor is a contact inductor.

The holding device of racket of aforesaid racket threader, wherein each contact inductor is located on the holder of described jig arm respectively and described colluding on the gripping member, so as to described holder contact-making surface of sensing and the stress value that colludes gripping member.

The invention has the beneficial effects as follows that it can control the wire-drawing tension of racket threader, to reduce the distortion inaccuracy of racket when carrying out threading work.

Description of drawings

The present invention is further described below in conjunction with drawings and Examples.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a user mode schematic diagram of the present invention.

Fig. 3 is the schematic perspective view of another embodiment of the present invention.

Fig. 4 is the user mode schematic diagram of another embodiment of the present invention.

Fig. 5 is the schematic diagram of existing racket threader.

The specific embodiment

At first please cooperate and consult Fig. 1 and Fig. 2, the invention relates to a kind of holding device of racket of racket threader, this threader comprises a pedestal 11, an anchoring 21 and a turntable 31, these pedestal 11 1 ends are provided with the anchoring 21 in order to control racket string degree of tightness, the turntable 31 of the other end for horizontally rotating; This turntable 31 comprises a base plate 32, two adjustable shelfs 34 and two holding device of racket 41, this base plate 32 is provided with some rail grooves 321, and this adjustable shelf 34 is to be located in this rail groove 321, this adjustable shelf 34 can move and be fixed in the ad-hoc location of this base plate 32 in this rail groove 321, adjust these two adjustable shelfs, 34 different distance whereby promptly applicable to different big or small rackets.

This holding device of racket 41 is colluded gripping member 49, several inductors 51 and a control module 52 and is constituted by a body 42, two jig arm 46,, wherein:

Body 42 in order to be arranged on this adjustable shelf 34, moves and can adjust with this adjustable shelf 34, and respectively has a pivot end 43 in these body 42 both sides, offer a chute 44 on this body 42, and in this chute 44, be provided with a knob 45, and this knob 45 has a rotating part 451 and a screw rod 452;

Two jig arm 46, be articulated on the pivot end 43 of these body 42 both sides with its base portion respectively, and the distance that can adjust 46 of two jig arm by an adjustment part 47 is to carry out holding action to a racket housing 71, and respectively be provided with a holder 48 in the end of each jig arm 46, and each holder 48 has a contact-making surface, and this two jig arm 46 is in contact with one another so as to clamping this racket housing 71 with this racket housing 71 with the contact-making surface of its holder 48 respectively;

Collude gripping member 49, be located in the chute 44 of this body 42, and join with the screw rod 452 of this knob 45, and when this knob 45 of rotation, this colludes gripping member 49 and driven by this screw rod 452 and carry out a lateral displacement in chute 44;

Each inductor 51, be an effector (Strain gauge), this each inductor 51 is in order to be located between these jig arm 46 base portions and this body 42 pivot ends 43, and this colludes between gripping member 49 and this chute 44, collude gripping member 49 so as to sensing when carrying out holding action when jig arm 46 and this, the pivot pivot angle degree of these body 42 pivot ends 43 and this collude the shift motion of gripping member 49 when carrying out lateral displacement, and this deflection conversion is produced a sensor signal;

Control module 52, in order to converging the whole sensor signal that is produced by each inductor 51, and this control module 52 links mutually with anchoring 21, and the sensor signal that this anchoring 21 is converged by this control module 52 and puts in order is controlled to determine the tension force size of its racket threading.

The holding device of racket of forming by above-mentioned member 41 in use, please continue to consult shown in Figure 2, be that this racket housing 71 is set up on this holding device of racket 41, this racket housing 71 is subjected to this to collude the clamping of gripping member 49 and this jig arm 46 and is fixed on this clamping device 41 at this moment, and this anchoring 21 of arranging in pairs or groups again can carry out racket threading work; And carrying out threading when action when this anchoring 21, this each inductor 51 can be responded to this jig arm 46 accurately and collude the deflection of gripping member 49 when carrying out the racket holding action with this, and measured sensor signal is passed to this control module 52, adjust the wire-drawing tension of this anchoring 21 again by this control module 52, the distortion inaccuracy value of this racket when carrying out the threading action can effectively be reduced.

Then please continue to consult Fig. 3 and shown in Figure 4, wherein each inductor 51 is a contact inductor, and each inductor 51 is located at respectively on the contact-making surface of these jig arm 46 holders 48 and this colludes on the gripping member 49, and be in contact with one another with this racket housing 71, and by the difference that contacts stressed degree, and can measure this jig arm 46 with this collude gripping member 49 when carrying out the racket holding action stress value and to the sensor signal of converting, and the sensor signal that is produced by this inductor 51, be passed to control module 52 equally, make and converged whole sensor signal by this control module 52 and decide the wire-drawing tension of this anchoring 21; Each inductor 51 can be responded to this jig arm 46 equally accurately and changes with the stress value that this colludes gripping member 49 whereby, and make this anchoring 21 can be at the deflection of racket housing 71, decide the wire-drawing tension of this anchoring 21, and the distortion inaccuracy value of this racket when carrying out the threading action can effectively be reduced.

Claims

1. the holding device of racket of a racket threader is characterized in that comprising:

One body, in order to be arranged on the adjustable shelf, these body both sides respectively have a pivot end, and offer a chute on this body, are provided with a knob in this chute;

Two jig arm, be articulated in respectively on the pivot end of these body both sides, and can adjust distance between two jig arm so that a racket housing is carried out holding action, and respectively be provided with a holder in the end of this each jig arm, this each holder has a contact-making surface, and this two jig arm is in contact with one another and this racket of clamping with this racket housing with the contact-making surface of its holder respectively;

One colludes gripping member, is to be located in the chute of this body, and this colludes gripping member and is subjected to this knob driving and carries out a lateral displacement in this chute;

Predetermined number of sensors, at least be located at this body pivot end, this holder contact-making surface maybe this collude gripping member one of them, and collude the deflection of gripping member when carrying out holding action, and convert institute's sensed data to a sensor signal in order to this jig arm of sensing and this;

One control module in order to receive and to converge and put in order by the sensor signal that this each inductor produced, determines the threading tension force of racket according to this.

2. the holding device of racket of racket threader according to claim 1, it is characterized in that: set knob has a rotating part and a screw rod in the described chute, the described screw rod that colludes gripping member and described knob joins, and when rotating the rotating part of this knob, this colludes gripping member and can be subjected to this screw rod drive and carry out lateral displacement in this chute.

3. the holding device of racket of racket threader according to claim 1, it is characterized in that: described each inductor is an effector.

4. the holding device of racket of racket threader according to claim 3, it is characterized in that: described each effector is located at described body pivot end and described colluding on the gripping member respectively, and so as to the pivot pivot angle degree and the described shift motion of gripping member when carrying out lateral displacement that collude of the described body pivot end of sensing.

5. the holding device of racket of racket threader according to claim 1, it is characterized in that: described each inductor is located on the holder of described jig arm respectively and described colluding on the gripping member, and so as to the stress value of the described holder contact-making surface of sensing and collude the shift motion of gripping member when carrying out lateral displacement.

6. the holding device of racket of racket threader according to claim 1, it is characterized in that: also have an anchoring, this anchoring and described control module link mutually, and this anchoring is subjected to described control module to converge whole sensor signal control to determine the tension force size of its racket threading.

7. the holding device of racket of racket threader according to claim 1, it is characterized in that: described each inductor is a contact inductor.

8. the holding device of racket of racket threader according to claim 7, it is characterized in that: described each contact inductor is located on the holder of described jig arm respectively and described colluding on the gripping member, so as to described holder contact-making surface of sensing and the stress value that colludes gripping member.