CN208668001U - A kind of Linking machines thread hooking apparatus of startup power optimization - Google Patents

Abstract

The utility model discloses a kind of Linking machines thread hooking apparatus of startup power optimization, hook plate seat including hook plate, for limiting the hook plate motion amplitude, the driving mechanism for driving the hook plate movement, reset spring, the driving mechanism includes hook plate mandrel, and the hook plate mandrel is through the hook plate seat and the hinged hook plate.Hook plate mandrel bottom is equipped with an opening, and bearing is equipped in the opening, and the bearing is pivotable to be connected to the hook plate mandrel, and the hook plate is equipped with oval via hole, and the bearing setting is in the oval via hole.Hook plate mandrel is set in hook plate by the utility model, hook plate mandrel is up pushed away using the power that reset spring restores to generate when deformation with spring, the small reset spring of spring force can be used, greatly reduce the working strength of operator, improve working efficiency, make hook plate mandrel keep moving synchronously with hook plate simultaneously, hook line accuracy rate is improved, so that whole device is more stable.

Description

A kind of Linking machines thread hooking apparatus of startup power optimization

Technical field

The utility model belongs to Linking machines technical field, and in particular to a kind of Linking machines thread hooking apparatus of startup power optimization.

Background technique

Linking machines is for suturing sweater running-on, by Linking machines motor-driven, can efficiently, sweater is rapidly completed Garment piece sewing work, the efficiency than manual suture greatly improve.In existing structure, thread hooking apparatus is had the disadvantage that: 1, stitching disk When machine starts, needs the manual rotating pulley starting Linking machines of operative employee to suture two to four needles, make sweater piece is fixed to import seam disk On the needle tooth of machine, it is connected with reset spring between the hook plate in Linking machines thread hooking apparatus and hook plate seat, when hook plate moves down, needs Certain power makes reset spring stretcher strain, and the size of spring force directly determines that the labor intensity of operative employee, hook plate are up transported When dynamic, only relying on reset spring recovery deformation moves hook plate up, will in order to make reset spring be capable of providing enough pulling force For hook plate toward pull-up, the reset spring that must just use spring force big causes operator's operating difficulties, labor efficiency is low；2, Hook plate is separated with the hook plate mandrel in driving mechanism, and hook plate seat only relies on bolt with hook plate and connect, when driving mechanism exists When 600 revs/min or more high-speed motions, reset spring can not fast quick-recovery deformation, this has resulted in hook plate can not be with hook plate mandrel Holding moves synchronously, and when up and down motion, the bolt that hook plate seat is connect with hook plate is easy to appear abrasion, and hook plate seat motion profile occurs There is the case where sweater thread cast-off in deviation, increases the defect rate of sweater；3, hook plate is only fixed with one group of fixed plate, so that hook The exposed length of plate is too long, when hook plate high-speed motion, under the influence of centrifugal force, be easy to happen deformation or fixed plate with The hinged screw of hook plate loosens, and causes hook plate that violent shaking occurs at work, so that hook line position deviates, causes The increase of substandard products.

Utility model content

In order to overcome the above technical defects, the utility model provides a kind of Linking machines thread hooking apparatus of startup power optimization, Its shake strength that can reduce electric motor starting, keeps operator more labor-saving.

To solve the above-mentioned problems, the utility model is achieved by following technical scheme:

A kind of Linking machines thread hooking apparatus of startup power optimization, including hook plate, the hook for limiting the hook plate motion amplitude Panel seat, the driving mechanism for driving the hook plate movement, reset spring, the driving mechanism includes hook plate mandrel, the hook Plate core axis is through the hook plate seat and the hinged hook plate.

Further, hook plate mandrel bottom is equipped with an opening, is equipped with bearing in the opening, the bearing is pivotable Be connected to the hook plate mandrel, the hook plate is equipped with oval via hole, and the bearing setting is in the oval via hole.

Further, the driving mechanism further includes hook plate set, covers the drawing needle being sequentially arranged from top to bottom along the hook plate Cucurbit, hook seat, torque spring and axle sleeve；

The drawing needle cucurbit and the axle sleeve fixing sleeve are set to the hook plate set, and the hook seat and the torque spring can turn It is sheathed on the hook plate set dynamicly, the torque spring is connected with the hook seat and hook plate set respectively, the hook plate mandrel It is slidably disposed in the hook plate set and the upper end protrusion of the hook plate mandrel is arranged.

Further, the thread hooking apparatus further includes spring, and the spring pocket is set to the hook plate mandrel and is located at described In hook plate set, the both ends of the spring are abutted with the outer wall of the inner wall of hook plate set and the hook plate mandrel respectively.

Further, the hook plate mandrel further includes axle body, guide screw and hook plate core nut, the top of the axle body It being connect equipped with screw thread and with the hook plate core nut, the hook plate core nut is equipped with second boss at first boss, the axle body, The guide screw is set on the side wall of the hook plate mandrel.

Further, the both ends of the hook plate seat are respectively equipped with the first fixed board group and the second fixed board group, and described first Fixed board group includes two pieces of first fixed plates being oppositely arranged, the described second fixed board group include two pieces be oppositely arranged it is second solid Fixed board.

Further, the described first fixed board group is provided with long screw, and the long screw runs through the hook plate and two institutes The first fixed plate is stated, the other end of the hook plate is made to be articulated with the described first fixed board group.

Further, the hook plate is equipped with the via hole of strip, be provided in second fixed plate the second screw and Nut, second screw sequentially pass through one piece of second fixed plate and the via hole and support to other one piece described the Two fixed plates are connect with the nut.

Further, the inner wall of the hook plate set is disposed with First terrace and second step face from top to bottom；

The first boss is oppositely arranged with the First terrace, and the second boss is opposite with the second step face Setting.

It is additionally provided with compatible with the guide screw to guide groove on hook plate set inner wall, the guide screw is located at It is described into guide groove.

Further, the spring be set to hook plate set the First terrace and the hook plate mandrel described the Between one boss.

Compared with prior art, the utility model has the beneficial effects that

(1) hook plate mandrel is set in hook plate by the utility model, when hook plate mandrel moves downward, by bearing by hook Plate turns down, so that hook plate moves down；When hook plate mandrel moves upwards, while by hook plate toward pull-up, so that hook plate is up Movement shares a part of power for reset spring, the lesser reset spring of spring force can be used, to reduce the startup power of motor, greatly The working strength of operator is reduced greatly, improves working efficiency, meanwhile, the axis of hook plate and the use of hook plate mandrel contact portion It holds, reduces the friction of hook plate Yu hook plate mandrel.

(2) hook plate mandrel is set in hook plate by the utility model, when hook plate mandrel compound motion up and down, simultaneously Hook plate is driven to do synchronous compound motion up and down, the two motion frequency and path, avoid hook in the prior art Plate core axis is separated with hook plate, and when hook plate mandrel high-speed motion, hook plate resets not in time, and the case where lead to thread cast-off.

(3) the utility model is shortened the exposed length of hook plate, is avoided hook plate and existed by the fixed hook plate of two groups of fixed plates It when high-speed motion, causes the screw that hook plate deforms or fixed plate is hinged with hook plate to loosen since high speed is shaken, and makes Violent shaking occurs at work at hook plate, shifts so as to cause hook line position, greatly improves the accurate of hook line Rate keeps entire thread hooking apparatus performance more stable.

Detailed description of the invention

Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, in which:

Fig. 1 is a kind of structural schematic diagram of the thread hooking apparatus of Linking machines described in the utility model；

Fig. 2 is the explosive view of Fig. 1；

Fig. 3 is the perspective view of hook plate set described in the utility model；

Fig. 4 is the structural schematic diagram of hook plate core described in the utility model；

Fig. 5 is a kind of use state diagram of the thread hooking apparatus of Linking machines described in the utility model.

Description of symbols:

1, hook plate；11, oval via hole；12, via hole；14, line hook；2, hook plate seat；21, the first fixed board group；211 first Fixed plate；22, the second fixed board group；221 second fixed plates；23, long screw；24, the second screw；25, nut；26, axis hole； 27, oilhole；3, reset spring；4, driving mechanism；41, hook plate mandrel；42, the first screw；43, bearing；44, axle body；45, it is oriented to Screw；46, hook plate core nut；47, second boss；5, hook plate set；51, First terrace；52, second step face；53, it is oriented to Slot；6, needle cucurbit is drawn；7, hook seat；8, torque spring；9, axle sleeve；10, spring；

100- motor；101- roller box；102- cam；103- long rocker arm；104- long draw；105- short rocker arm|；The short drawing of 106- Bar；107- trisquare；108- balancing point arm.

Specific embodiment

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

The utility model discloses a kind of Linking machines thread hooking apparatus of startup power optimization, as Figure 1-Figure 4, including hook plate 1, the hook plate seat 2 for limiting 1 motion amplitude of hook plate, 4 structure of driving machine and reset spring for driving the hook plate movement 3, driving mechanism 4 includes hook plate mandrel 41, and hook plate mandrel 41 is through hook plate seat 2 and hinged hook plate 1.

Preferably, 41 bottom of hook plate mandrel is equipped with an opening, is equipped with bearing 43 in opening, bearing 43 is pivotable to be connected to Hook plate mandrel 41, hook plate 1 are equipped with oval via hole 11, and bearing 43 is arranged in oval via hole 11.Specifically, hook plate mandrel 41 Bottom is equipped with the first screw 42, and the first screw 42 sequentially passes through the outer wall, bearing 43 and oval via hole 11 of hook plate mandrel 41 simultaneously To the other side outer wall to hook plate mandrel 41, so that hook plate mandrel 41 is hinged on hook plate 1, when hook plate mandrel 41 moves downward When, hook plate 1 is turned down by bearing 43, so that hook plate 1 moves down；When hook plate mandrel 43 moves upwards, while by hook Plate 1 is toward pull-up, so that hook plate 1 up moves, driving mechanism 4 can also drive hook plate 1 to move, the two simultaneously in high-speed motion Motion frequency and path, at this point, due to being between bearing 43, hook plate mandrel 41 and the edge three of ellipse via hole 11 The mode of rolling friction, reduces frictional force, reduces the abrasion of thread hooking apparatus.

Further, driving mechanism 4 further include hook plate set 5, along hook plate set 5 be sequentially arranged from top to bottom drawing needle cucurbit 6, Hook seat 7, torque spring 8 and axle sleeve 9；Needle cucurbit 6 and 9 fixing sleeve of axle sleeve is drawn to be set to hook plate set 5, hook seat 7 and torque spring 8 can It is rotationally arranged and covers 5 with hook plate, torque spring 8 is connect with hook seat 7 and axle sleeve 9 respectively, and hook plate mandrel 41 is slidably disposed in Protrude setting in the hook plate set 5 and upper end of hook plate mandrel 41.In use, the hook plate mandrel 41 to protrusion is exerted oneself, can be realized Hook plate 1 is swung up and down, meanwhile, hook seat 7 is fixed, and hook plate set 5 draws needle cucurbit 6, axle sleeve 9 and hook plate 1 to move simultaneously, turns round Power spring 8 drives hook plate mandrel 41 to reset in the horizontal direction.

Preferably, thread hooking apparatus further includes spring 10, and spring 10, which is sheathed on, to be stated hook plate mandrel 41 and be located in hook plate set 5, The both ends of spring 10 are abutted with the outer wall of the inner wall of hook plate set 5 and hook plate mandrel 41 respectively.When hook plate mandrel 41 moves downward, 10 compressive deformation of spring, when hook plate mandrel 41 resets upwards, spring 10 restores deformation, and hook plate mandrel 41 is pushed to move upwards.

Preferably, hook plate mandrel 41 further includes axle body 44, guide screw 45 and hook plate core nut 46, the top of axle body 44 It being connect equipped with screw thread and with the hook plate core nut 46, hook plate core nut 46 forms first boss, and axle body 44 is equipped with second boss, Guide screw 45 is set on the side wall of hook plate mandrel 41.

Preferably, the both ends of hook plate seat 2 are respectively equipped with the first fixed board group 21 and the second fixed board group 22, the first fixed plate Group includes two pieces of first fixed plates 211 being oppositely arranged, and the second fixed board group includes two pieces of second fixed plates being oppositely arranged 221.There is a gap between two piece of first fixed plate, 211, two piece of second fixed plate 221, hook plate 1 is set in gap.

Preferably, the first fixed board group 21 is provided with long screw 23, and long screw 23 runs through hook plate 1 and two the first fixed plates 211, so that the other end of hook plate 1 is articulated with the first fixed board group 21, hook plate 1, can be around long screw 23 under the action of long screw 23 It moves up and down.Preferably, hook plate seat 2 is equipped with oilhole 27, and oilhole 27 is set to one end where the first fixed board group 21, and The gap between two the first fixed plates 211 and face long screw 23 are penetrated through, lubricating oil is injected by oilhole 27, hook plate can be reduced Friction between 1 and long screw 23 increases service life.

Preferably, hook plate 1 is equipped with the via hole 12 of strip, is provided with the second screw 24 and nut in the second fixed plate 22 25, the second screw 24 sequentially passes through one piece of second fixed plate and via hole and supports to other one piece of second fixed plate and nut 25 Connection.Two the second fixed plates 221 can limit the amplitude that hook plate 1 swings, and thread hooking apparatus vibration is acute when reducing work Strong and generation the case where cause horizontal direction to shake, influence the precision of hook plate hook line, avoid thread cast-off, meanwhile, by setting The second fixed plate 22 is set, the exposed length of hook plate is shortened, avoids hook plate in high-speed motion, is caused since high speed is shaken Hook plate deformation, shifts so as to cause hook line position.Moreover, passing through the second screw 24 and 25 adjustable two second, nut The distance between fixed plate 221, to change the amplitude peak of the shake of hook plate 1 or so.

Preferably, the inner wall of hook plate set 5 is disposed with First terrace 51 and second step face 52 from top to bottom, the One boss is oppositely arranged with First terrace 51, and second boss 47 is oppositely arranged with second step face 53；Hook plate is set to cover 5 sets On hook plate mandrel 41.Hook plate, which covers, to be additionally provided with guide screw 45 to the guide groove 53 being adapted on 5 inner walls, and guide screw 45 In in guide groove 53, guide screw 45 and the cooperation of guide groove 53 can be with restrict hook plate core axis 41 relative to 5 rotation of hook plate set.

Preferably, spring 10 is set between the First terrace 51 and the first boss of hook plate mandrel 41 of hook plate set 5.

Preferably, hook plate 1 be equipped with line hook 14, by line hook 14 complete hook line movement.

Preferably, the length of hook plate 1 can make the equal energy of this thread hooking apparatus according to the different adjustment of drive mechanism of sewing machine for knitting Suitable for pulley drive or the Linking machines of electric transmission.

Use state of the invention is described further below with reference to Fig. 5.

As shown in figure 5, the motor 100 on Linking machines will separate two transmission chains after power transmission to gear-box 101, first Transmission chain is successively sequentially connected by cam 102, long rocker arm 103 and long draw 104 to be formed, and the end of long draw 104 is articulated with The eccentric position of needle cucurbit 6 is drawn, drives and draws the left and right reciprocally swinging in the horizontal direction of needle cucurbit 6；Article 2 transmission chain is by short rocker arm| 105, short rod 106, crank 107 and balancing point arm 108 are successively sequentially connected composition, one end of balancing point arm 108 and hook plate mandrel 41 Connection drives hook plate mandrel 41 to slide up and down, to realize the compound oscillating up and down of hook plate 1.When hook plate 1 moves down, Hook plate 1 is turned down by bearing 43, so that hook plate 1 moves down；When hook plate mandrel 43 moves upwards, while by hook plate 1 Toward pull-up, so that hook plate 1 up moves, then the small reset spring 3 of spring force can be used, reduce the labor intensity of operative employee, Driving mechanism 4 can also drive hook plate 1 to move simultaneously in high-speed motion, the two motion frequency and path, meanwhile, by It is the mode of rolling friction between bearing 43, hook plate mandrel 41 and the edge three of oval via hole 11, reduces frictional force, Reduce the abrasion of thread hooking apparatus.By the way that the second fixed plate 22 is arranged, the exposed length of hook plate is shortened, avoids hook plate in height It when speed movement, causes hook plate to deform since high speed is shaken, or avoids shaking due to high speed and hook plate 1 and hook plate seat 2 is caused to connect Loosening is connect, is shifted so as to cause hook line position.

Compared with prior art, the utility model has the following beneficial effects:

(1) hook plate mandrel is set in hook plate by the utility model, when hook plate mandrel moves downward, by bearing by hook Plate turns down, so that hook plate moves down；When hook plate mandrel moves upwards, while by hook plate toward pull-up, so that hook plate is up Movement shares a part of power for reset spring, the lesser reset spring of spring force can be used, to reduce the startup power of motor, greatly The working strength of operator is reduced greatly, improves working efficiency, meanwhile, the axis of hook plate and the use of hook plate mandrel contact portion It holds, reduces the friction of hook plate Yu hook plate mandrel.

(2) hook plate mandrel is set in hook plate by the utility model, when hook plate mandrel compound motion up and down, simultaneously Hook plate is driven to do synchronous compound motion up and down, the two motion frequency and path, avoid hook in the prior art Plate core axis is separated with hook plate, and when hook plate mandrel high-speed motion, hook plate resets not in time, and the case where lead to thread cast-off.

(3) the utility model is shortened the exposed length of hook plate, is avoided hook plate and existed by the fixed hook plate of two groups of fixed plates It when high-speed motion, causes the screw that hook plate deforms or fixed plate is hinged with hook plate to loosen since high speed is shaken, and makes Violent shaking occurs at work at hook plate, shifts so as to cause hook line position, greatly improves the accurate of hook line Rate keeps entire thread hooking apparatus performance more stable.

The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model Limitation, therefore it is all without departing from the content of the technical scheme of the utility model, implement according to the technical essence of the utility model to above Any modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention made by example.

Claims (10)

1. a kind of Linking machines thread hooking apparatus of startup power optimization, including hook plate, the hook plate for limiting the hook plate motion amplitude Seat, the driving mechanism for driving the hook plate movement, reset spring, which is characterized in that the driving mechanism includes hook plate core Axis, the hook plate mandrel is through the hook plate seat and the hinged hook plate.

2. thread hooking apparatus according to claim 1, which is characterized in that hook plate mandrel bottom is equipped with an opening, described Bearing is equipped in opening, the bearing is pivotable to be connected to the hook plate mandrel, and the hook plate is equipped with oval via hole, described Bearing setting is in the oval via hole.

3. thread hooking apparatus according to claim 2, which is characterized in that the driving mechanism further includes hook plate set, along described Hook plate covers drawing needle cucurbit, hook seat, torque spring and the axle sleeve being sequentially arranged from top to bottom；

The drawing needle cucurbit and the axle sleeve fixing sleeve are set to the hook plate set, and the hook seat and the torque spring are rotationally It is sheathed on the hook plate set, the torque spring is connected with the hook seat and hook plate set respectively, and the hook plate mandrel can be slided It is set in the hook plate set dynamicly and the upper end protrusion of the hook plate mandrel is arranged.

4. thread hooking apparatus according to claim 3, which is characterized in that further include spring, the spring pocket is set to the hook Plate core axis is simultaneously located in hook plate set, the both ends of the spring inner wall and the hook plate mandrel with hook plate set respectively Outer wall abuts.

5. thread hooking apparatus according to claim 2, which is characterized in that the hook plate mandrel further includes axle body, guide screw And hook plate core nut, the top of the axle body are equipped with screw thread and connect with the hook plate core nut, the hook plate core nut is First boss, the axle body are equipped with second boss, and the guide screw is set on the side wall of the hook plate mandrel.

6. thread hooking apparatus according to claim 1, which is characterized in that it is fixed that the both ends of the hook plate seat are respectively equipped with first Board group and the second fixed board group, the described first fixed board group includes two pieces of first fixed plates being oppositely arranged, and described second is fixed Board group includes two pieces of second fixed plates being oppositely arranged.

7. thread hooking apparatus according to claim 6, which is characterized in that the described first fixed board group is provided with long screw, institute Long screw is stated through the hook plate and two first fixed plates, so that the other end of the hook plate is articulated with described first fixed Board group.

8. thread hooking apparatus according to claim 7, which is characterized in that the hook plate is equipped with the via hole of strip, and described the Be provided with the second screw and nut in two fixed plates, second screw sequentially pass through one piece of second fixed plate and The via hole and support connect to other one piece second fixed plate with the nut.

9. thread hooking apparatus according to claim 5, which is characterized in that the inner wall of the hook plate set is set gradually from top to bottom There are First terrace and second step face；

The first boss is oppositely arranged with the First terrace, and the second boss is opposite with the second step face to be set It sets；

It is additionally provided with compatible with the guide screw to guide groove on hook plate set inner wall, the guide screw is located at described Into guide groove.

10. thread hooking apparatus according to claim 9, which is characterized in that the spring is set to described the of hook plate set Between one step surface and the first boss of the hook plate mandrel.