CN213681110U - Support arrangement for drafting machine yarn spool - Google Patents

Abstract

The utility model relates to a support arrangement of drafting machine yarn axle, it relates to the technical field of weaving, and this application includes the base, all be equipped with the bracing piece on the upper surface at base both ends, be equipped with on the roof of bracing piece with the axle inlay card complex arc cardboard of accepting at yarn axle both ends, the one end that lies in the running gear on the upper surface of base slides about the running gear symmetry has two gag lever posts, two lateral wall that the gag lever post is relative supports tightly with running gear's lateral wall, be equipped with on the base and be used for driving the drive assembly that two gag lever posts slided in opposite directions or back on the body in step. This application utilizes the base, and the area of increase bracing piece and ground contact helps promoting the stability of arc cardboard when accepting the yarn axle, recycles two gag lever posts of drive assembly drive and slides in opposite directions in step for two gag lever posts support tightly with drive gear's lateral wall, thereby promote the stability of gag lever posts when spacing to drive gear, and then promote the stability of this strutting arrangement when supporting the yarn axle.

Description

Support arrangement for drafting machine yarn spool

Technical Field

The application relates to the technical field of spinning, in particular to a supporting device for a yarn shaft of a drafting machine.

Background

Drafting is the last step of harness wire preparation, and workers pass yarns wound on yarn shafts through drop wires and heddle eyes according to the requirements of process design and finally insert the yarns into corresponding dents of reeds. Before workers harness, the yarn shafts need to be conveyed to a designated place by a forklift, and then the yarn shafts are supported by a supporting device.

Referring to fig. 1 and 2, in the related art, one end of a yarn shaft 1 is fixedly connected with a rotating gear 11 for rotationally matching with a drafting machine, a supporting device 2 includes two supporting frames 21 and a butting rod 22, an arc-shaped plate 23 is arranged on a top wall of the supporting frame 21, two ends of the yarn shaft 1 are extended to be provided with a bearing shaft 12, a bottom end of the bearing shaft 12 is in clamping and embedding fit with a top wall of the arc-shaped plate 23, one end of the butting rod 22 is supported on the ground, and the other end of the butting rod 22 is clamped and embedded between two adjacent teeth of the rotating gear 11; after a worker carries the yarn spool 1 to a designated position by using a forklift, one support frame 21 is placed below one bearing shaft 12, the other support frame 21 is placed below the other bearing shaft 12, the yarn spool 1 is lowered to the bearing shaft 12 to be borne on the arc-shaped plate 23 by using the forklift, one end of the abutting rod 22 abuts against the ground, and the other end of the abutting rod 22 is clamped between two adjacent teeth of the rotating gear 11, so that the yarn spool 1 is supported.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the process of combing the yarn end by the worker, the rotating gear has the possibility of slight shaking under the action of external force, so that the possibility of separation from the rotating gear exists at one end of the clamping and embedding of the limiting rod and the rotating gear, namely the possibility of toppling over the limiting rod exists, the limiting of the limiting rod on the rotating gear is unstable, and the problem of poor stability of the supporting device when the supporting device supports the yarn shaft is caused.

SUMMERY OF THE UTILITY MODEL

In order to improve the poor problem of stability when strutting arrangement supports to the yarn axle, this application provides a drafting machine yarn spool's strutting arrangement.

The application provides a strutting arrangement of drafting machine yarn spool adopts following technical scheme:

the utility model provides a support arrangement of drafting machine yarn axle, includes the base, all be equipped with the bracing piece on the upper surface at base both ends, be equipped with on the roof of bracing piece with the yarn axle both ends accept axle inlay card complex arc cardboard, the one end that lies in rotating gear on the upper surface of base slides about rotating gear symmetry has two gag lever posts, two lateral wall that the gag lever post is relative supports tightly with rotating gear's lateral wall, be equipped with the drive assembly who is used for driving two gag lever posts and slides in step in opposite directions or back on the body mutually on the base.

Through adopting above-mentioned technical scheme, utilize the base, increase the area of bracing piece and ground contact, thereby promote the stability when the bracing piece holds the yarn axle, connect yarn bearing back on two arc cardboards when the workman, utilize two gag lever posts of drive assembly drive to slide in step in opposite directions, make two gag lever posts support tightly with the lateral wall of rotating gear, thereby realize the spacing to rotating gear, because the gag lever post is stably slided spacingly on the upper surface of base, help promoting the stability of gag lever post to the spacing back of rotating gear, thereby promote the stability when this strutting arrangement supports the yarn axle.

Optionally, be equipped with the direction spout on the upper surface of base, drive assembly includes two-way screw rod, the screw thread at two-way screw rod both ends revolves to the opposite direction, one end of two-way screw rod runs through one of them gag lever post and with this gag lever post threaded connection, the other end of two-way screw rod runs through another gag lever post and with this gag lever post threaded connection, the one end of two-way screw rod runs through the lateral wall of base and coaxial coupling has the hand wheel.

By adopting the technical scheme, under the initial state, the two limiting rods are mutually far away, when a worker is required to limit the rotating gear, the worker rotates the hand wheel to enable the hand wheel to drive the two-way screw to rotate, and under the action of thread feeding, the two-way screw drives the two limiting rods to slide in opposite directions, so that the limiting rods abut against the rotating gear, the structure is simple and stable, and the operation is convenient.

Optionally, a plurality of tooth sockets are arranged on the opposite side walls of the two limiting rods, and teeth of the rotating gear are in clamping fit with the tooth sockets.

Through adopting above-mentioned technical scheme, through the inlay card cooperation of tooth's socket and rotating gear tooth, help increasing the area of contact when gag lever post supports tightly with rotating gear to promote the stability behind the gag lever post supports tightly rotating gear.

Optionally, two flexible abutting blocks are arranged on the side walls opposite to the limiting rods, and the tooth grooves are formed in the side walls of the flexible abutting blocks.

Through adopting above-mentioned technical scheme, because the distance between the two adjacent teeth of rotating gear is less, in order to guarantee the smooth and easy nature when tooth's socket on the gag lever post and the tooth inlay card on the rotating gear cooperate, set up the tooth's socket on flexible tight piece that supports to when flexible tight piece and rotating gear butt cooperation, provide more adjustment space for flexible tight piece that supports.

Optionally, the bracing piece includes inside and outside first branch and the second branch of sliding the connection, the inside cavity of second branch, first branch slides and connects in the second branch, the roof of first branch is connected with the diapire of arc cardboard, be equipped with the first reciprocal adjusting part that slides of drive on the second branch.

Through adopting above-mentioned technical scheme, under the initial state, arc cardboard distance is accepted the axle and is had certain height, utilizes fork truck to remove the yarn axle to the top of two arc cardboards after the workman, for guaranteeing the stability that the yarn bearing connects on the bracing piece, utilizes the vertical upwards slip of length direction of first branch of adjusting part drive along the second branch for the arc cardboard smoothly with the bottom inlay card cooperation of accepting the axle.

Optionally, the adjusting part includes the screw rod, the one end and the one end threaded connection that first branch is located the second branch of screw rod, the other end of screw rod rotates to be connected on the interior diapire of second branch, the one end coaxial coupling that first branch was kept away from to the screw rod has first bevel gear, it is connected with second bevel gear to rotate through the pivot on the inside wall of second branch bottom, second bevel gear and the meshing of first bevel gear, the pivot runs through the lateral wall of second branch and coaxial coupling has the spiral cover, the spiral cover rotates to be connected on the lateral wall of second branch.

Through adopting above-mentioned technical scheme, at the in-process of adjusting the bracing piece height, revolve the spiral cover soon, make the spiral cover drive second bevel gear, first bevel gear and screw rod in order and rotate, under the screw feed effect for the screw rod drives the vertical upwards slip of length direction of first branch along the second branch, and simple structure is stable, the operation of being convenient for.

Optionally, the bottom end of the supporting rod is rotatably connected to the upper surface of the base, and a locking assembly for fixing the supporting rod is arranged on the upper surface of the base.

Through adopting above-mentioned technical scheme, at fork truck along the length direction of base with the in-process of yarn axle removal to bracing piece top, consider that the bracing piece has the possibility that blocks the yarn axle and remove, rotate the bracing piece and set up on the base for the bracing piece is accomodate on the roof of base along the length direction of base earlier, after the workman removes the yarn axle to the top of bracing piece, it is relative with accepting the axle to overturn the bracing piece to the arc cardboard again, thereby guarantee the smooth and easy nature when fork truck carried the yarn axle.

Optionally, locking Assembly includes fixed block and stopper, the fixed block sets up on the upper surface of base along bracing piece rotation direction one side, the stopper slides and connects on the upper surface of base along bracing piece rotation direction opposite side, the bracing piece centre gripping is between fixed block and stopper, it is equipped with the end plate to extend on the lateral wall of stopper bottom, the end plate passes through locking bolt and can dismantle with the base and be connected.

Through adopting above-mentioned technical scheme, when locking the bracing piece after overturning, the workman slides the stopper to relative with the fixed block, recycles the locking bolt and fixes the stopper on the base to spacing the bracing piece between fixed block and bracing piece, and then realize the fixed to the bracing piece, simple structure is stable, the operation of being convenient for.

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

1. the base is used for increasing the contact area of the supporting rod and the ground, so that the stability of the supporting rod when the supporting rod bears a yarn spool is increased, after the supporting rod bears the yarn spool, the driving assembly is used for driving the two limiting rods to slide in opposite directions to abut against the rotating gear, and therefore the limiting of the rotating gear is realized, the two limiting rods are stably arranged on the base in a sliding mode, the stability of the limiting rods when the rotating gear is limited is ensured, and the stability of the supporting device when the supporting device supports the yarn spool is further improved;

2. after the yarn bearing is connected to the two arc-shaped clamping plates, workers rotate the hand wheel to enable the hand wheel to drive the bidirectional screw to rotate, so that the two limiting rods slide in opposite directions to be tightly abutted against the two sides of the rotating gear, the structure is simple and stable, and the operation is convenient;

3. the flexible abutting block is beneficial to improving the smoothness when the tooth grooves are matched with the teeth of the rotating gear in a clamping and embedding manner, so that the stability when the limiting rod abuts against the rotating gear is improved;

4. after the yarn axle was located the top of two arc cardboards, the workman rotated the spiral cover, made the spiral cover drive pivot, second bevel gear, first bevel gear and screw rod in order and rotated for the screw rod drives the vertical upwards slip of the length direction of first branch along the second branch, makes the roof of arc cardboard and the bottom inlay card cooperation of accepting the axle, thereby promotes the stability when arc cardboard accepts the yarn axle.

Drawings

Fig. 1 is a schematic structural diagram of the related art.

Fig. 2 is a schematic structural view for showing a connection relationship among the support frame, the arc plate, the rotating gear and the abutment lever in the related art.

Fig. 3 is a schematic overall structure diagram for embodying the embodiment of the present application.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is a schematic structural diagram for showing the connection relationship among the fixing block, the limiting block, the lug, the rotating shaft, the second support rod, the end plate and the locking bolt in the embodiment of the present application.

Fig. 6 is a schematic cross-sectional view for showing a connection relationship among the first support rod, the second support rod, the screw, the first bevel gear, the second bevel gear, the rotating shaft, and the screw cap in an embodiment of the present application.

Fig. 7 is a schematic structural diagram for embodying the connection relationship among the handwheel, the bidirectional screw, the slider, the connecting rod and the flexible abutting block in the embodiment of the present application.

Description of reference numerals: 1. a bobbin of yarn; 11. a rotating gear; 12. a bearing shaft; 2. a support device; 21. a support frame; 22. a butting rod; 23. an arc-shaped plate; 3. a base; 31. a guide chute; 4. a support bar; 41. a first support bar; 411. a thread groove; 42. a second support bar; 5. an arc-shaped clamping plate; 6. a limiting rod; 60. a tooth socket; 61. a flexible abutting block; 62. a slider; 63. a connecting rod; 64. fixing the bolt; 7. a drive assembly; 71. a bidirectional screw; 72. a hand wheel; 8. an adjustment assembly; 81. a screw; 82. a first bevel gear; 83. a rotating shaft; 84. a second bevel gear; 85. screwing a cover; 9. a locking assembly; 91. a fixed block; 92. a limiting block; 93. an end plate; 94. locking the bolt; 10. a lug; 101. a rotating shaft; 13. and a limiting sliding groove.

Detailed Description

The present application is described in further detail below with reference to figures 3-7.

The embodiment of the application discloses a supporting device for a yarn shaft of a drafting machine. Referring to fig. 3, a support arrangement of drafting machine yarn axle includes base 3, the length direction of base 3 and yarn axle 1's material loading direction syntropy, arrow point direction is used for instructing yarn axle 1's material loading direction in the picture, yarn axle 1's both ends all are equipped with accepts axle 12, be fixed with rotating gear 11 on the lateral wall of yarn axle 1 one end, all be equipped with bracing piece 4 on the upper surface at base 3 both ends, be equipped with on bracing piece 4's the roof and accept the diapire inlay card complex arc cardboard 5 of axle 12, the bottom of bracing piece 4 is rotated and is connected on base 3's upper surface, base 3's upper surface is equipped with the locking Assembly 9 that is used for fixed support bar 4.

Referring to fig. 3, a guide chute 31 is arranged on the upper surface of the base 3 far from the feeding side, the length direction of the guide chute 31 is perpendicular to the feeding direction of the yarn shaft 1, two limit rods 6 are connected to the guide chute 31 in a sliding manner, the two limit rods 6 are symmetrically arranged about the rotating gear 11, a driving assembly 7 for driving the two limit rods 6 to synchronously slide is arranged on the base 3, the support rod 4 comprises a first support rod 41 and a second support rod 42 which are connected in a sliding manner, the second support rod 42 is hollow, the cross section of the first support rod 41 is rectangular, the first support rod 41 is connected in the second support rod 42 in a sliding manner, the top wall of the first support rod 41 is connected with the bottom wall of the arc-shaped clamping plate 5, and an adjusting assembly 8 for driving the first support rod 41 to slide in a reciprocating manner along the length direction of the second support rod.

Referring to fig. 3 and 4, in an initial state, the height of the support rod 4 is smaller than the height of the bearing shaft 12 from the ground, and the two limit rods 6 are away from each other, wherein the support rod 4 close to the loading side is turned towards the side away from the base 3, the length direction of the turned support rod 4 is the same as the loading direction of the bobbin 1, if a worker pushes the forklift from the side close to the limit rod 6, considering that the limit rod 6 can prevent the bobbin 1 from moving synchronously with the forklift, the limit rod 6 and the base 3 need to be detachably connected, the limit rod 6 comprises a sliding block 62 and a connecting rod 63, the sliding block 62 is detachably connected with the connecting rod 63 through a fixing bolt 64, and the loading from the direction away from the side of the limit rod 6 is taken as an example in the present application.

Referring to fig. 3 and 4, the direction indicated by the arrow in the figure is taken as the carrying direction of the forklift, the supporting rod 4 far away from the limiting rod 6 is turned towards the side far away from the base 3, the length direction of the turned supporting rod 4 is the same as the feeding direction of the yarn shaft 1, when a worker carries the yarn shaft 1 to the upper part of the two support rods 4 by using a forklift, the worker turns the support rod 4 far away from one side of the limiting rod 6 to be vertical to the base 3, the locking component 9 is used for fixing the first supporting rod 4, the adjusting component 8 is used for driving the first supporting rod 41 to vertically slide upwards along the length direction of the second supporting rod 42, so that the arc-shaped clamping plate 5 is in clamping fit with the bottom end of the bearing shaft 12, the driving component 7 is used for driving the two limiting rods 6 to synchronously slide towards each other to tightly abut against the rotating gear 11, the support rod 4 and the limiting rod 6 are matched together, so that the stability of the support device 2 after supporting the yarn shaft 1 is improved.

Referring to fig. 3 and 5, two lugs 10 of equal fixedly connected with on the upper surface at base 3 both ends, it is connected with axis of rotation 101 to rotate between the relative lateral wall of two lugs 10, the lateral wall and the axis of rotation 101 fixed connection of second branch 42 bottom, locking Assembly 9 includes fixed block 91, stopper 92, end plate 93 and locking bolt 94, fixed block 91 fixed connection is on the upper surface that base 3 is located bracing piece 4 rotation direction one side, be equipped with spacing spout 13 on the upper surface that base 3 is close to bracing piece 4, the bottom of stopper 92 is slided and is connected in spacing spout 13, the lateral wall fixed connection of end plate 93 and stopper 92 bottom, and end plate 93 and stopper 92 integrated into one piece.

Referring to fig. 3 and 5, when a worker needs to fix the support rod 4, the limit block 92 is slid to the side wall of the second support rod 42 far away from the fixing block 91 and is tightly abutted, and then the locking bolt 94 penetrates through the top wall of the end plate 93 and is screwed with the upper surface of the base 3, so that the support rod 4 is fixed.

Referring to fig. 3 and 6, a threaded groove 411 is formed in an end wall of one end of the first support rod 41 located in the second support rod 42, the adjusting assembly 8 includes a screw 81, a first bevel gear 82, a rotating shaft 83, a second bevel gear 84 and a screw cap 85, one end of the screw 81 is in threaded connection with the threaded groove 411, the other end of the screw 81 is rotatably connected to an inner bottom wall of the second support rod 42, the first bevel gear 82 is coaxially connected with one end of the screw 81 far away from the first support rod 41, the rotating shaft 83 penetrates through a side wall of the second support rod 42 and is rotatably connected with a side wall of the second support rod 42, one end of the rotating shaft 83 located in the second support rod 42 is coaxially connected with the second bevel gear 84, and the other end of the rotating shaft 83 penetrates through a side wall of the.

Referring to fig. 3 and 6, when a worker needs to make the arc-shaped clamping plate 5 bear the bearing shaft 12, the screw cap 85 is screwed, so that the screw cap 85 sequentially drives the rotating shaft 83, the second bevel gear 84, the first bevel gear 82 and the screw 81 to rotate, and the screw 81 drives the first supporting rod 41 to vertically slide upwards along the length direction of the second supporting rod 42, so that the arc-shaped clamping plate 5 is in clamping fit with the bearing shaft 12, and then the forklift is pushed away, thereby facilitating the stability of the yarn bobbin 1 when the yarn bobbin is borne on the bearing shaft 12.

Referring to fig. 3 and 7, the driving assembly 7 includes a bidirectional screw 71 and a hand wheel 72, the thread directions of both ends of the bidirectional screw 71 are opposite, the bidirectional screw 71 is rotatably connected in the guide chute 31, the length direction of the bidirectional screw 71 is the same as the length direction of the guide chute 31, one end of the bidirectional screw 71 penetrates through one of the limiting rods 6 and is in threaded connection with the slide block 62 corresponding to the limiting rod 6, the other end of the bidirectional screw 71 penetrates through the other limiting rod 6 and is in threaded connection with the slide block 62 corresponding to the limiting rod 6, one end of the bidirectional screw 71 penetrates through the side wall of the base 3 and is coaxially connected with the hand wheel 72, a limiting groove 121 is formed on the peripheral side wall of the receiving shaft 12, a limiting rib 51 is formed on the top wall of the arc-shaped clamping plate 5, and the limiting rib 51 is in snap-fit with the limiting groove 121, which is beneficial to limiting the yarn shaft 1 in the feeding direction, and reducing the.

Referring to fig. 3 and 7, in an initial state, the two limit rods 6 are far away from each other, and after the bobbin 1 is received on the arc-shaped clamping plate 5, a worker screws the hand wheel 72 to enable the hand wheel 72 to drive the two-way screw 71 to rotate, and under the action of thread feeding, the two-way screw 71 drives the two limit rods 6 to slide in opposite directions, so that the flexible abutting block 61 and the rotating gear 11 are tightly clamped and embedded, thereby fixing the rotating gear 11, and further ensuring the stability of the bobbin 1 when the bobbin is received on the arc-shaped clamping plate 5.

Referring to fig. 3 and 7, one end of each of the two connecting rods 63, which is far away from the sliding block 62, is fixedly connected with a flexible abutting block 61, the flexible abutting blocks 61 are arranged in a crescent shape, a plurality of tooth grooves 60 are arranged on the opposite side walls of the two flexible abutting blocks 61, and the teeth of the rotating gear 11 are in clamping fit with the tooth grooves 60; through the cooperation of the flexible tight piece 61 of supporting, a plurality of tooth's socket 60 and the tooth of rotating gear 11, help promoting the stability behind two gag lever posts 6 support tight rotating gear 11, and utilize flexible tight piece 61 of supporting, smooth and easy nature when the tooth that helps promoting rotating gear 11 and tooth's socket 60 inlay card.

The implementation principle of the supporting device for the yarn shaft of the drafting machine in the embodiment of the application is as follows: the worker firstly turns the support rod 4 far away from the side of the limit rod 6 to the side far away from the base 3, so that the length direction of the turned support rod 4 is the same as the length direction of the base 3, then the bobbin 1 is conveyed to the upper part of the base 3 from the side far away from the limit rod 6 by using a forklift, then the support rod 4 turned previously is rotated, the limit block 92 is slid to be opposite to the fixed block 91, the limit block 92 is fixed in the limit sliding groove 13 through the matching of the locking bolt 94 and the end plate 93, so that the support rod 4 far away from the side of the limit rod 6 is fixed, the worker twists and then rotates the cover 85, so that the rotating cover 85 sequentially drives the rotating shaft 83, the second bevel gear 84, the first bevel gear 82 and the screw 81 to rotate, so that the screw 81 drives the first support rod 41 to slide along the length direction of the second support rod 42, so that the arc-shaped clamping plate 5 is in, then, the hand wheel 72 is rotated, so that the hand wheel 72 drives the two-way screw rod 71 to rotate, the two-way screw rod 71 drives the two limiting rods 6 to slide oppositely, and the two flexible abutting blocks 61 abut against two sides of the rotating gear 11; this application is through base 3, two bracing pieces 4, locking Assembly 9, adjusting part 8, two gag lever posts 6 and drive assembly 7's cooperation, stability when helping promoting this strutting arrangement 2 and supporting bobbin 1.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: 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 (8)

1. The utility model provides a support arrangement of drafting machine yarn spool which characterized in that: including base (3), all be equipped with bracing piece (4) on the upper surface at base (3) both ends, be equipped with on the roof of bracing piece (4) with spool (1) both ends accept axle (12) inlay card complex arc cardboard (5), the one end that lies in rotating gear (11) on the upper surface of base (3) slides about rotating gear (11) symmetry has two gag lever post (6), two the lateral wall that gag lever post (6) is relative supports tightly with the lateral wall of rotating gear (11), be equipped with on base (3) and be used for driving drive assembly (7) that two gag lever posts (6) slided in opposite directions or back on the body mutually in step.

2. A support device for bobbins of drafting machines according to claim 1, characterized in that: be equipped with direction spout (31) on the upper surface of base (3), drive assembly (7) include two-way screw rod (71), the screw thread at two-way screw rod (71) both ends is turned to the opposite direction, one end of two-way screw rod (71) run through one of them gag lever post (6) and with this gag lever post (6) threaded connection, the other end of two-way screw rod (71) run through another gag lever post (6) and with this gag lever post (6) threaded connection, the lateral wall and the coaxial coupling of base (3) have hand wheel (72) are run through to the one end of two-way screw rod (71).

3. A support device for bobbins of drafting machines according to claim 1, characterized in that: and a plurality of tooth grooves (60) are formed in the opposite side walls of the two limiting rods (6), and the teeth of the rotating gear (11) are in clamping fit with the tooth grooves (60).

4. A support device for bobbins of drafting machines according to claim 3, characterized in that: two all be equipped with flexible tight piece (61) that supports on the relative lateral wall of gag lever post (6), tooth's socket (60) set up on the lateral wall of flexible tight piece (61).

5. A support device for bobbins of drafting machines according to claim 1, characterized in that: bracing piece (4) are including inside and outside first branch (41) and the second branch (42) of sliding connection, the inside cavity of second branch (42), first branch (41) slide and connect in second branch (42), the roof of first branch (41) is connected with the diapire of arc cardboard (5), be equipped with the first branch of drive (41) adjusting part (8) that reciprocates to slide on second branch (42).

6. A support device for bobbins of drafting machines according to claim 5, characterized in that: adjusting part (8) include screw rod (81), the one end threaded connection that one end and first branch (41) of screw rod (81) are located second branch (42), the other end of screw rod (81) rotates to be connected on the interior diapire of second branch (42), the one end coaxial coupling that first branch (41) were kept away from in screw rod (81) has first bevel gear (82), it is connected with second bevel gear (84) to rotate through pivot (83) on the inside wall of second branch (42) bottom, second bevel gear (84) and first bevel gear (82) meshing, pivot (83) run through the lateral wall and the coaxial coupling of second branch (42) have spiral cover (85), spiral cover (85) rotate to be connected on the lateral wall of second branch (42).

7. A support device for bobbins of drafting machines according to claim 1, characterized in that: the bottom of bracing piece (4) rotates to be connected on the upper surface of base (3), be equipped with locking Assembly (9) that are used for fixed bracing piece (4) on the upper surface of base (3).

8. A support device for bobbins of drafting machines according to claim 7, characterized in that: locking Assembly (9) are including fixed block (91) and stopper (92), fixed block (91) set up on base (3) along bracing piece (4) rotation direction one side's upper surface, stopper (92) slide to be connected on base (3) along bracing piece (4) rotation direction opposite side's upper surface, bracing piece (4) centre gripping is between fixed block (91) and stopper (92), it is equipped with end plate (93) to extend on the lateral wall of stopper (92) bottom, end plate (93) can dismantle with base (3) through locking bolt (94) and be connected.

Images