CN204474834U - Additional spindle structure - Google Patents

Abstract

The utility model discloses an additional formula spindle structure, it is used for supplying a spool to insert and locates on it, drives this spool rotation and carries out the spinning operation, and it contains: a spindle, a positioning member and a clamping unit, wherein the spindle is a spindle of the prior art and has a receiving seat, a yarn tube shaft and a spindle rod, the positioning member is sleeved on the yarn tube shaft of the spindle and fixed, the clamping unit comprises: the clamping and abutting unit is arranged on a spindle blade of the spindle, and when spinning is carried out, the clamping and abutting unit is clamped and fixed with a bobbin by utilizing the centrifugal force generated when the spindle rotates, so that the bobbin is smoothly driven to rotate along with the spindle; therefore, when in use, the spindle can be simply and additionally arranged on the spindle of the existing spinning machine, the cost is low, the time consumed by additionally arranging is short, and the practicability and the economic benefit can be effectively improved.

Description

Add-on spindle structure

technical field

The utility model relates to a spindle structure of a spinning machine, in particular to an additional spindle structure which can be easily installed on the spindle of the current spinning machine and reduces the pull-out force and the push-in force when the bobbins are replaced.

Background technique

The spindle structure of the traditional spinning machine, as shown in Figure 1 and Figure 2, its spindle 10 has a receiving seat 101, a bobbin shaft 102 extending upward from the receiving seat 101 and a bobbin shaft 102 extending from the bobbin shaft 102. The spindle bar 103 formed by extending from above, the bobbin shaft 102 and the spindle bar 103 have a suitable taper for a bobbin 20 to be in a clamping state when inserted thereon, so that the bobbin 20 can be Rotate with this spindle 10, thereby carry out spinning operation smoothly.

However, in actual use, since the bobbin 20 and the spindle 10 are clamped and fixed in a tapered manner, and in order to prevent the bobbin 20 from slipping on the spindle 10 during the spinning process, the bobbin 20 and the spindle 10 are There must be a certain fixing force between the bobbin 20, so that when the bobbin 20 needs to be replaced, a considerable pull-out force and a pressing force need to be applied, so that the bobbin 20 cannot be directly automatically clamped from the spindle 10 by the mechanical arm after spinning, but must be done manually. The method utilizes the rotating method to pull the bobbin 20 away from the spindle 10 one by one, which is quite time-consuming and labor-intensive, and does not meet the requirements of economic benefits.

In order to improve the above-mentioned defects, there is a new patent in Taiwan, China, such as the No. 427338 "spindle of spinning machine" in the Announcement No. 427338. The spindle rotates, and it can reduce the pull-out force and push-in force when the bobbin is replaced, and the bobbin is directly clamped away from the spindle by the mechanical arm after spinning, achieving the effect of automation. However, this patent requires the original spindles of the spinning machine to be completely replaced, and each spinning machine has a considerable number of spindles, so the cost of replacing the spindles is high and takes a long time, resulting in spinning The long-term downtime of the yarn machine is the loss, so the willingness of the spinning industry to use it is low.

Utility model content

In view of the above-mentioned problems existing in the prior art, the problem to be solved by the utility model is to provide an additional spindle structure to solve the need to replace the original spindle used in the spinning machine during use, which is not only costly and time-consuming, but also makes spinning The problem that the machine needs to be shut down for a long time for replacement operations.

In order to solve the above problems, the utility model provides an additional spindle structure, which is used for inserting a bobbin on it, and drives the bobbin to rotate for spinning operation, which includes: a spindle, a positioning piece and a The clamping unit, wherein the spindle is an existing spindle, has a receiving seat, a bobbin shaft extending upward from the receiving seat, and a spindle bar extending upward from the bobbin shaft; the positioning The fitting is set on the bobbin shaft of the spindle and fixed; the clamping unit includes: a fitting and a plurality of spindle caps, the fitting is in the shape of a hollow cylinder, has an inner hole, and is arranged at multiple intervals around the periphery. A perforation, the inner hole is provided with a circle of grooves corresponding to the perforation, and is fixed on the spindle bar by using the inner hole sleeve; The inner hole of the fitting protrudes outwards, and the flange part is stuck against the groove to limit the position; therefore, when spinning, the spindle cap is used to clamp the inner surface of the bobbin outward due to centrifugal force to form a fixation, so that The bobbin rotates with the spindle.

Preferably, the positioning member is sleeved on the bobbin shaft of the spindle and fixed.

Preferably, the locating member is a two-stage sleeve with a small diameter section and a large diameter section, the small diameter section has a fixing hole, and the fixing hole of the small diameter section is sleeved on the bobbin shaft of the spindle Cooperate with at least one bolt threaded through the small-diameter section and press against the surface of the bobbin shaft to fix it. The end surface of the large-diameter section facing the end of the spindle bar is provided with a set groove, and the set groove is used for loose fitting of one end of the bobbin. In addition, a tooth-shaped convex ring is provided on the outer edge of the large-diameter section towards the end of the spindle rod.

Preferably, the locking unit also includes an elastic piece, the elastic piece has a C-shaped section, and a groove is provided on the edge of the inner hole of the sleeve corresponding to the perforation, and the elastic piece is sleeved on the sleeve. In the groove of the valve, the spindle cap is bounced outward.

Preferably, the inner hole of the sleeve of the locking unit is an inner tapered hole.

Preferably, the sleeve of the clamping unit utilizes the inner hole to be sleeved and clamped on the spindle bar, and at least one bolt is threaded through the sleeve to press against the surface of the spindle bar for fixing.

The beneficial effect of the utility model is that it can be easily installed on the spindle of the current spinning machine without replacing the original spindle of the spinning machine, so the required cost is low, and the time required for the installation is short , which can greatly reduce the loss of spinning machine downtime.

Description of drawings

Fig. 1 is a three-dimensional exploded view of a conventional spindle and bobbin.

Fig. 2 is a combined sectional view of a conventional spindle and bobbin.

Fig. 3 is a three-dimensional sectional view of the structure of the additional type spindle of the utility model.

Fig. 4 is a three-dimensional semi-assembled view of the additional spindle structure of the present invention.

Fig. 5 is a partial combined sectional view of the additional spindle structure of the present invention.

Fig. 6 is another partial combined sectional view of the additional spindle structure of the present utility model.

Fig. 7 is a schematic cross-sectional view of clamping and fixing of the additional spindle structure of the present invention during spinning operation.

reference sign

[current technology]

10 spindle 101 receiving seat

102 bobbin shaft 103 spindle rod

20 bobbins

[this utility model]

1 Spindle 11 Receptacle

12 bobbin shaft 13 spindle bar

2 Positioner 21 Small diameter section

211 Fixing hole 212 Bolt

22 large diameter section 221 sleeve slot

222 toothed protruding ring 3 locking unit

31 Composite piece 311 Inner hole

312 Perforation 313 Groove

314 bolt 32 spindle cap

321 Cap part 322 Flange part

33 elastic piece 4 bobbin

Detailed ways

Please refer to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the additional spindle structure of the present invention is used for inserting a bobbin 4 on it, and drives the bobbin 4 to rotate for spinning operation, which includes : a spindle 1, a positioning part 2 and a clamping unit 3, wherein the spindle 1 is a spindle of an existing spinning machine, which has a receiving seat 11, a yarn formed by extending upward from the receiving seat 11 Bobbin 12 and a spindle rod 13 formed by extending upward from the bobbin shaft 12, the positioning member 2 is a two-step sleeve with a small-diameter section 21 and a large-diameter section 22, and the small-diameter section 21 has a fixing hole 211, and the fixing hole 211 of the small-diameter section 21 is sleeved on the bobbin shaft 12 of the spindle 1, and at least one bolt 212 is threaded through the small-diameter section 21 to be fixed against the surface of the bobbin shaft 12. The number of the bolts 212 in the embodiment is two, and the end surface of the large-diameter section 22 facing the end of the spindle bar 13 is provided with a set groove 221. In addition, the outer edge of the large-diameter section 22 facing the end of the spindle bar 13 is provided with a tooth-shaped protrusion. Ring 222, the locking unit 3 includes: a fitting 31, a plurality of spindle caps 32 and an elastic piece 33, the fitting 31 is in the shape of a hollow cylinder, and has an axially penetrating inner hole 311, the inner The hole 311 can be an inner tapered hole, and the peripheral edge of the sleeve 31 is arranged with a plurality of perforations 312 communicating with the inner tapered hole 311. In addition, the edge of the inner hole 311 of the sleeve 31 corresponds to the perforation. A circle of grooves 313 is provided at 312, and the inner hole 311 is used to fit and clamp on the spindle rod 13, and at least one bolt 314 is threaded through the sleeve 31 to be fixed against the surface of the spindle rod 13. The number of the bolts 314 is two. The spindle cap 32 has a cap portion 321 and a flange portion 322 extending outward from the end edge of the cap portion 321. The cap portion 321 can just protrude outward from the inner hole 311 of the fitting 31. Protrude through the hole 312, the flange portion 322 is larger than the through hole 312 of the sleeve 31, and is stuck against the groove surface of the groove 313, the section of the elastic piece 33 is C-shaped, and is placed in the groove of the sleeve 31 313 springs outward against the spindle cap 32, so that when the locking unit 3 is separated from the spindle 1, the fixed cap 32 will not fall off.

When the bobbin 4 is inserted on the spindle 1, as shown in Fig. 5 and Fig. 6, one end of the bobbin 4 is placed in the nesting groove 221 of the large-diameter section 22 of the positioning part 2 to form a loose fit positioning, and the snap-on unit The spindle cap 32 of 3 is pushed outward by the elastic sheet 33, so that the spindle cap 32 is initially fixed against the inner edge of the bobbin 4. At this time, due to the blocking and positioning of the positioning member 2, the bobbin shaft 12 of the spindle 1 and the spindle The rod 13 will not form a clamped state with the bobbin 4 .

Therefore, when the spinning machine drives the spindle 1 to rotate during the spinning operation, as shown in FIG. The inner surface of the tight bobbin 4 is fixed so that the bobbin 4 rotates with the spindle 1 smoothly without causing the bobbin 4 to slip on the spindle 1. In addition, when the spinning is completed and the spindle 1 stops rotating, the caps 32 of the clamping unit 3 are no longer thrown outward by the centrifugal force of rotation, but are only bounced outward by the elastic piece 33, so that the caps 32 are pressed against the yarn. The inner edge of the tube 4 forms a preliminary fixed state, then the mechanical arm can directly clamp the yarn tube 4 away from the spindle 1 to achieve the effect of automation.

By the structure of above-mentioned specific embodiment, can obtain following effect:

In the additional spindle structure of the utility model, the positioning part 2 and the locking unit 3 can be easily installed on the spindle 1 of the existing spinning machine, so as to reduce the pull-out force and the push-in force of the bobbin 4 during replacement, and the When the spinning is completed, the bobbin 4 is directly clamped away from the spindle 1 by the mechanical arm. It is not necessary to completely replace the original spindle 1 of the spinning machine, so the required cost is low, and the time required for installation is short, and can be greatly improved. Reduce the loss of spinning machine downtime, to effectively improve the practicality and economic benefits.

Claims (6)

1. An additional type spindle structure, which is used for inserting a bobbin on it to drive the bobbin to rotate for spinning operation, characterized in that it comprises: A spindle with a receiving seat, a bobbin shaft extending upward from the receiving seat, and a spindle bar extending upward from the bobbin shaft; a locating member is fitted over the spindle and fixed thereto; and One card arrival unit, including: A composite piece is in the shape of a hollow cylinder, has an inner hole, and a plurality of perforations are arranged at intervals around the periphery, and is fixed on the spindle bar of the spindle by using the inner hole to fit and engage; and A plurality of spindle caps have a cap portion and a flange portion extending outward from the end edge of the cap portion. The cap portion can just protrude from the inner hole of the fitting to protrude from the hole, and the flange portion is locked against The position is limited in the inner hole, and when the spinning operation is performed, the inner surface of the bobbin is clamped outward by the spindle cap due to centrifugal force to form a fixation, so that the bobbin rotates with the spindle. 2 . The add-on spindle structure according to claim 1 , wherein the positioning member is sleeved on the bobbin shaft of the spindle and fixed. 3. The additional type spindle structure according to claim 2, wherein the positioning member is a two-step sleeve with a small diameter section and a large diameter section, the small diameter section has a fixing hole, and the The fixing hole of the small-diameter section is sleeved on the bobbin shaft of the spindle, and at least one bolt is threaded through the small-diameter section to be fixed against the surface of the bobbin shaft. , the nesting groove is used for one end of the bobbin to be nested loosely. In addition, the outer edge of the large-diameter section facing the end of the spindle bar is provided with a tooth-shaped convex ring. 4. The add-on spindle structure according to claim 1, characterized in that, the locking unit further comprises an elastic piece, the surface of the elastic piece is C-shaped, and the groove is arranged on the edge of the inner hole of the sleeve. Where the hole should be perforated, the elastic sheet is placed in the groove of the sleeve, and springs outward against the spindle cap. 5. The add-on spindle structure according to claim 1, characterized in that, the inner hole of the fitting part of the locking unit is an inner tapered hole. 6. The add-on spindle structure according to claim 1, characterized in that, the fitting part of the engaging unit utilizes the inner hole to fit on the spindle rod, and at least one bolt is threaded through the fitting part to It is fixed against the surface of the spindle bar.