CN209759672U - Lower spindle cap - Google Patents

Abstract

The utility model discloses a lower spindle cap, which comprises a spindle cap main body, wherein a spindle rod hole and a supporter installation cavity are arranged in the spindle cap main body, a supporter is arranged in the supporter installation cavity, and a cavity for reducing weight is arranged in the spindle cap main body; lower spindle cap, can reduce the weight of lower spindle cap as far as possible when guaranteeing structural strength, reduce the energy loss of electric spindle during operation.

Description

Lower spindle cap

Technical Field

The utility model belongs to the technical field of the electric spindle, in particular to a lower spindle cap for electric spindle.

Background

The electric spindle is one of the main components of twist winding on spinning machines. The electric ingot generally comprises an ingot rod, an upper ingot cap and a lower ingot cap.

As shown in the patent of 201720742470.4's Chinese utility model, this electric spindle includes the motor, and the main shaft of motor is the spindle blade, and the spindle blade upper end is equipped with the spindle cap, and the spindle blade middle part is equipped with down and is equipped with the tray on the spindle cap down, and a yarn section of thick bamboo cover is established at last spindle cap and the spindle cap outside down, and a yarn section of thick bamboo lower extreme is contradicted with the tray. When the electric spindle works, the spindle blade is driven by the motor to rotate, and the spindle blade drives the yarn barrel seat to rotate through the upper spindle cap and the lower spindle cap which are fixed on the spindle blade. Because the upper spindle cap and the lower spindle cap are fixed on the spindle blade, the upper spindle cap and the lower spindle cap also become a part of the motor load, and the power consumed when the motor load rotates is larger. The existing lower spindle cap is generally made of metal aluminum with low density, but the overall weight of the lower spindle cap and the upper spindle cap made of aluminum is still large, which is not beneficial to reducing extra power consumption when the motor works.

SUMMERY OF THE UTILITY MODEL

The utility model discloses spindle cap weight is big under the prior art that needs solve, and the technical problem that power consumption is big provides one kind and can reduce the weight of spindle cap down when guaranteeing structural strength to reduce a lower spindle cap of the consumption of electric energy.

In order to realize the technical purpose, the utility model discloses a provide following technical scheme: a lower spindle cap comprises a spindle cap main body, wherein a spindle rod hole and a support mounting cavity are formed in the spindle cap main body, a support is mounted in the support mounting cavity, and a cavity for reducing the weight of the spindle cap main body is formed in the spindle cap main body.

Through the technical scheme, the arrangement of the cavity can reduce the materials used by the spindle cap main body, so that the whole weight of the lower spindle cap is reduced, the purpose of reducing the load of a motor is achieved, and unnecessary energy consumption during the working of an electric spindle is reduced. The cavity can be in a circular shape, a fan-shaped ring shape, a polygonal shape or other shapes, and the circumference of the cavity is uniformly distributed in the spindle cap main body.

Preferably, the cavity is annular, the cavity is concentric with the spindle blade hole, the spindle cap main body part outside the cavity is an outer annular part, the spindle cap main body part inside the cavity is an inner annular part, and a reinforcing rib for connecting the inner annular part and the outer annular part is arranged in the cavity.

Through above-mentioned technical scheme, the cavity is the annular, can reduce more weight for the porous cavity of a plurality of, and cavity and spindle blade hole are concentric, can not take place great swing because of the problem of dynamic balance in the rotation process. The setting of strengthening rib can strengthen the structural strength of interior annular portion and outer annular portion, avoids leading to intensity to reduce by a wide margin because the setting of cavity.

Preferably, the main body of the ingot cap is made of plastic material.

Through above-mentioned technical scheme, the density of plastics material is littleer than metal to can further reduce the whole weight of spindle cap main part. Meanwhile, the spindle cap is made of plastic materials, and the spindle cap main body can be integrally formed in a processing process in an injection molding mode, so that the processing is convenient.

Preferably, the outer side of the outer ring part is an annular supporting part, and a second reinforcing rib is connected between the annular supporting part and the outer ring part.

Through the technical scheme, the connecting pieces between the annular supporting part and the outer ring part can be reduced. Because the lower end of the yarn cylinder needs to be supported, the lower part of the existing lower spindle cap is additionally fixed with a disk body through a connecting piece for supporting the yarn cylinder. The annular supporting part is directly arranged at the lower end of the outer ring part, and the annular supporting part and the outer ring part can be processed in an injection molding mode to be connected into a whole, so that a connecting piece is not needed, and the whole weight of the lower spindle cap can be further reduced. The arrangement of the second reinforcing rib can improve the overall structural strength of the annular supporting part, so that the overall thickness of the annular supporting part can be reduced, and the weight of the main body part of the spindle cap can be further reduced.

Preferably, an extending hole is formed in the outer ring portion, a contact piece is arranged in the cavity, and a cavity between the contact piece and the extending hole forms a support mounting cavity.

Through above-mentioned technical scheme, can utilize the cavity to establish the supporter installation cavity betterly, need not to draw out the space in the spindle cap main part in addition and install the supporter. The arrangement of the extending hole can enable the end part of the supporting device to extend out of the outer ring part, so that the inner wall of the yarn barrel is supported.

Preferably, the reinforcing ribs comprise first reinforcing ribs which are arranged in pairs, the same pair of first reinforcing ribs are parallel and symmetrical to the diameter of the outer ring part, the abutting parts are located between the same pair of first reinforcing ribs, and the side edges of the abutting parts are connected to the first reinforcing ribs.

Through above-mentioned technical scheme, first strengthening rib sets up in pairs and can support the contact piece to improve the joint strength between contact piece and the spindle cap main part better, avoid the contact piece to take place phenomenons such as rupture, bending in the use.

Preferably, the device further comprises a second reinforcing rib, and the second reinforcing rib is arranged between two adjacent pairs of the first reinforcing ribs.

Through above-mentioned technical scheme, the setting up of second strengthening rib can make and obtain better connection and support between outer ring portion and the interior ring portion, makes strengthening rib global distribution more even to the structural strength between reinforcing outer ring portion and the interior ring portion.

Preferably, a transmission part for transmitting torque with the spindle blade is arranged in the spindle cap main body.

Through the technical scheme, the transmission part can conveniently and reliably transmit the torque on the ejector rod to the lower spindle cap, so that the lower spindle cap is driven to rotate.

Preferably, the transmission part is a thread arranged in the spindle rod hole; or the transmission part is a key groove arranged in the spindle rod hole; or the transmission part comprises a threaded hole arranged on the side surface of the inner ring part, and a fastening screw is arranged in the threaded hole.

Through the technical scheme, the torque transmission between the spindle cap main body and the spindle blade can be very conveniently realized, so that the joint rotation of the spindle cap main body and the spindle blade is realized.

Preferably, the lower end of the spindle rod hole is a reaming section, the diameter of the reaming section is larger than that of the spindle rod hole, and a step surface is formed between the reaming section and the spindle rod hole.

Through the technical scheme, the step surface can be abutted against the shaft shoulder on the ejector rod to support and position the spindle cap main body.

Compared with the prior art, the beneficial effects of the utility model are that: the cavity is formed in the spindle cap main body, and the spindle cap main body is made of plastic materials, so that the whole weight of the spindle cap main body can be reduced. And meanwhile, the reinforcing ribs are arranged in the cavity to reinforce the structure of the spindle cap main body, so that the strength of the spindle cap main body meets the working requirement. In addition, the annular supporting part and the outer ring part are processed in an integral injection molding mode, so that the connecting structure between the disc body and the spindle cap main body can be simplified, and meanwhile, the load on the spindle blade can be further reduced.

Drawings

Fig. 1 is a bottom view of the first embodiment.

3 fig. 32 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 at 3 a 3- 3 a 3 in 3 fig. 31 3. 3

Fig. 3 is a bottom view of the second embodiment.

FIG. 4 is a sectional view of the third embodiment.

Description of reference numerals: 1. a spindle cap body; 2. a spindle blade bore; 3. a holder mounting cavity; 4. a holder; 5. an outer ring portion; 6. an inner ring portion; 7. reinforcing ribs; 8. an annular support portion; 9. a second reinforcing rib; 10. an outlet hole; 11. a contact member; 12. a cavity; 13. a first reinforcing rib; 14. a second reinforcing rib; 15. a transmission section; 16. a reaming section; 17. a step surface; 18. a bullet cap; 19. a spring; 20. a keyway; 21. a threaded hole; 22. tightly abutting the screw; 23. and a positioning column.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

The first embodiment is as follows: as shown in fig. 1 and 2, the lower spindle cap comprises a spindle cap main body 1 made of plastic materials through injection molding, and the spindle cap main body 1 is divided into an annular supporting part 8, an outer ring part 5 and an inner ring part 6. 6 central axial of interior ring portion is provided with spindle blade hole 2, and during the installation, the spindle blade is inserted and is established in spindle blade hole 2, has seted up supporter installation cavity 3 on 5 sides of outer ring portion, installs supporter 4 in the supporter installation cavity 3, and during operation supporter 4 contradicts with a yarn section of thick bamboo inner wall for support a yarn section of thick bamboo.

Between the inner ring part 6 and the outer ring part 5 is a cavity 12 for reducing the weight of the spindle cap main body, the cavity 12 is annular, and the cavity 12 is concentric with the spindle blade hole 2. The outer ring part 5 and the inner ring part 6 are connected through a reinforcing rib 7. The reinforcing ribs 7 include first reinforcing ribs 13 and second reinforcing ribs 14, the first reinforcing ribs 13 being arranged in pairs, the same pair of first reinforcing ribs 13 being symmetrical with respect to the diameter of the outer ring portion 5, while the first reinforcing ribs 13 are parallel to the diameter of the outer ring portion 5 as the axis of symmetry; the number of the first reinforcing ribs 13 is three in total, and the three pairs of reinforcing ribs 7 are uniformly distributed on the inner circumference of the cavity 12. And a second reinforcing rib 14 is arranged between two adjacent pairs of first reinforcing ribs 13, the included angle between the second reinforcing rib 14 and the two adjacent first reinforcing ribs 13 is the same, and the arrangement of the second reinforcing rib 14 can further increase the structural strength between the inner ring part 6 and the outer ring part 5.

An extending hole 10 is formed in the outer ring portion 5 between the same pair of first reinforcing ribs 13, two abutting pieces 11 are further arranged between the same pair of first reinforcing ribs 13, and the two abutting pieces 11 are connected with one first reinforcing rib 13 respectively. The top of the contact piece 11 is connected with the spindle cap body 1, and the side surface is connected with the first reinforcing rib 13. The holder mounting cavity 3 is formed between the contact 11 and the protruding hole 10. The holder 4 includes a spring 19 and a bullet cap 18, the bullet cap 18 being mounted in the protrusion hole 10, and an end of the bullet cap 18 protruding from the protrusion hole 10. One end of the spring 19 abuts against the elastic cap 18, and the other end abuts against the abutting member 11. The contact piece 11 is arranged between the same pair of first reinforcing ribs 13, so that the stress capacity of the contact piece 11 can be greatly improved, and the phenomena of bending, breaking and the like when the contact piece is contacted with the spring 19 are avoided.

The annular supporting part 8 is arranged at the lower end of the outer side of the outer ring part 5, the annular supporting part 8 and the spindle cap main body 1 are integrally formed through injection molding, so that the annular supporting part 8 and the outer ring part 5 are naturally connected into a whole after injection molding is finished, other connecting pieces are not needed for connection, the overall weight of the lower spindle cap is further reduced, and the energy loss during the working of an electric spindle is reduced. A second reinforcing rib 9 is arranged between the annular supporting part 8 and the outer ring part 5, and the second reinforcing rib 9 is positioned on the lower end face of the annular supporting part 8. The arrangement of the second reinforcing rib 9 can better improve the structural strength of the annular supporting part 8 and the outer ring part 5, thereby reducing the overall thickness of the annular supporting part 8 and the weight of the annular supporting part 8. The annular supporting part 8 is further provided with a positioning column 23, when the yarn barrel is sleeved on the lower spindle cap, the positioning column 23 can be clamped with a clamping groove at the lower end of the yarn barrel, and therefore the yarn barrel can rotate together with the lower spindle cap.

As shown in fig. 2, a transmission part 15 for transmitting torque with the spindle blade is further arranged in the inner ring part 6, the transmission part 15 is an internal thread arranged in the spindle blade hole 2, an external thread is arranged on the spindle blade, the inner ring part 6 is in threaded connection with a thread section on the spindle blade during installation, the thread turning direction is opposite to the rotating direction of the spindle blade, and therefore looseness between the lower spindle cap and the spindle blade during rotation of the spindle blade is avoided.

The lower end of the spindle blade hole 2 is also provided with a hole expanding section 16, the diameter of the hole expanding section 16 is larger than that of the spindle blade hole 2, a step surface 17 is formed between the spindle blade hole 2 and the hole expanding section 16, and when the lower spindle cap is sleeved on the spindle blade, the step surface 17 can be abutted against a shaft shoulder on the spindle blade, so that the lower spindle cap can be positioned. In order to further prevent the looseness between the spindle blade and the lower spindle cap, a nut can be further arranged after the lower spindle cap is arranged on the spindle blade, and the lower spindle cap is pressed on a shaft shoulder of the spindle blade.

In this embodiment, the weight of the lower spindle cap made of plastic material is about 387 grams, while the weight of the aluminum lower spindle cap of the same type is 1090 grams. At the time of a full bobbin, 5000r/min and 30n/m, the power of the lower spindle cap and the upper spindle cap which are made of plastic materials is 190W, and the power of the aluminum spindle cap is 217W. No. 67 yarn is processed by using No. 192 hooks under the condition of 28t/m at 5000r/min, the plastic ingot cap is used for producing 3.83 kg of yarn, the average power is 126 watts, the electricity consumption is 0.6 kilowatt hour, and the average electricity consumption of each kilogram of yarn is 0.157 kilowatt hour. 2.15 kilograms of yarn is done to the aluminium ingot cap, and average power is 139.5 watts, power consumptive 0.4 kilowatt-hour, and the processing is on average power consumptive 0.186 kilowatt-hour per kilogram of yarn, consequently, uses the utility model discloses, can practice thrift the energy consumption, also can save the cost of manufacture.

The second embodiment, a lower spindle cap as shown in fig. 3, is different from the first embodiment in that the spindle rod hole 2 in the second embodiment is not provided with an internal thread, but is provided with a key groove 20, and torque is transmitted between the spindle rod and a flat key or a spline, so that the spindle rod and the spindle rod rotate together.

The third embodiment, a lower spindle cap as shown in fig. 4, is different from the first embodiment in that the spindle hole 2 of the third embodiment is not provided with an internal thread, and the lower end of the spindle hole 2 is also not provided with a hole expanding section 16. However, in the third embodiment, a screw hole 21 is formed in the side surface of the inner ring portion 6, and a fastening screw 22 is provided in the screw hole 21. And a clamping groove for tightly pressing the end part of the screw 22 to transmit is formed in the corresponding spindle blade, and torque is transmitted between the spindle blade and the lower spindle cap through the tightly pressing screw 22.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and those skilled in the art can make modifications and improvements without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a lower spindle cap, includes spindle cap main part (1), is provided with spindle blade hole (2) and supporter installation cavity (3) in spindle cap main part (1), installs supporter (4), characterized by in supporter installation cavity (3): the spindle cap main body (1) is internally provided with a cavity (12) for reducing the weight of the spindle cap main body (1).

2. The lower bolster cap of claim 1 further characterized by: the cavity (12) is annular, the cavity (12) is concentric with the spindle blade hole (2), the spindle cap main body (1) outside the cavity (12) is an outer annular part (5), the spindle cap main body (1) inside the cavity (12) is an inner annular part (6), and a reinforcing rib (7) for connecting the inner annular part (6) and the outer annular part (5) is arranged in the cavity (12).

3. The lower bolster cap of claim 1 further characterized by: the spindle cap main body (1) is made of plastic materials.

4. The lower bolster cap of claim 2 further characterized by: the outer side of the outer ring part (5) is provided with an annular supporting part (8), and a second reinforcing rib (9) is connected between the annular supporting part (8) and the outer ring part (5).

5. The lower bolster cap of claim 2 further characterized by: an extending hole (10) is formed in the outer ring portion (5), a contact piece (11) is arranged in the cavity (12), and a cavity between the contact piece (11) and the extending hole (10) forms a support mounting cavity (3).

6. The lower bolster cap of claim 1 further characterized by: the reinforcing rib (7) comprises first reinforcing ribs (13), the first reinforcing ribs (13) are arranged in pairs, the same pair of first reinforcing ribs (13) are parallel to each other and are symmetrical to the diameter of the outer ring portion (5), the contact piece (11) is located between the same pair of first reinforcing ribs (13), and the side edge of the contact piece (11) is connected to the first reinforcing ribs (13).

7. The lower bolster cap of claim 6 further characterized in that: the novel corrugated board is characterized by further comprising second reinforcing ribs (14), wherein the second reinforcing ribs (14) are arranged between two adjacent pairs of the first reinforcing ribs (13).

8. The lower bolster cap of claim 1 further characterized by: the spindle cap main body (1) is internally provided with a transmission part (15) which transmits torque with the spindle blade.

9. The lower bolster cap of claim 8 further characterized in that: the transmission part (15) is a thread arranged in the spindle rod hole (2); or the transmission part (15) is a key groove (20) arranged in the spindle rod hole (2); or the transmission part (15) comprises a threaded hole (21) formed in the side face of the inner ring part (6), and a fastening screw (22) is installed in the threaded hole (21).

10. The lower bolster cap of claim 9 further characterized by: the lower end of the spindle blade hole (2) is provided with a hole expanding section (16), the diameter of the hole expanding section (16) is larger than that of the spindle blade hole (2), and a step surface (17) is formed between the hole expanding section (16) and the spindle blade hole (2).