CN219054894U - Wire passing wheel quick dismounting device and multi-wire cutting machine - Google Patents

Abstract

The utility model relates to the technical field of semiconductor crystal production line cutting, in particular to a wire passing wheel quick dismounting device and a multi-wire cutting machine. The wire passing wheel quick dismounting device comprises a guide wheel, wherein the guide wheel comprises a wheel disc and a connecting column, and the connecting column is arranged at the center of the wheel disc; the wheel shaft is connected with the connecting column; the at least one wave bead mechanism is detachably connected with the wheel shaft; the ball wave mechanism comprises an elastic piece and a ball, wherein the elastic piece provides elastic force for enabling the ball to abut against the circumferential outer wall of the connecting column, so that the wheel shaft is locked with the connecting column. Therefore, the guide wheel can be efficiently and quickly assembled and disassembled.

Description

Wire passing wheel quick dismounting device and multi-wire cutting machine

Technical Field

The utility model relates to the technical field of semiconductor crystal production line cutting, in particular to a wire passing wheel quick dismounting device and a multi-wire cutting machine.

Background

Silicon carbide is an important third-generation semiconductor material developed after the first-generation semiconductor Si and the second-generation semiconductor GaAs, has the advantages of wide forbidden band, high heat conductivity, high breakdown field strength, high carrier saturation, high radiation resistance, good chemical stability and the like, and because of the characteristics of the silicon carbide, the application of the third-generation semiconductor technology can promote the trillion potential market in the three fields of energy conservation and emission reduction, information technology and national defense science and technology, the silicon carbide rapidly permeates into all corners in the fields of illumination, electronic power devices, microwave radio frequency and the like in recent years, the market scale is rapidly promoted, and the silicon carbide has wide application markets in the fields of new energy automobiles, automobile lights, general illumination, electric vehicles, 5G communication application and the like, and becomes one of the directions of new energy development in the future.

As a conventional wafer dicing apparatus, a multi-wire saw requires timely maintenance of the apparatus after dicing. The guide wheel piece of the multi-wire cutting machine is used for guiding the track of the steel wire, the guide wheel piece is required to be maintained during equipment maintenance, and the guide wheel piece in a poor state is replaced in time. The abnormal operation of the guide wheel member directly leads to crystal rejection and seriously affects the yield of wire cutting.

The guide wheel piece in the prior art is fixed with the connecting shaft by using a groove buckle type screw. Specifically, when the guide wheel piece is replaced with the connecting shaft, the bolts are required to be disassembled by the threads, the old guide wheel piece is removed, and then the new guide wheel piece is fastened on the connecting shaft through the bolts. The guide wheel pieces of the multi-wire cutting machine are numerous, and the guide wheel pieces are replaced by adopting the connecting mode, so that the labor consumption is huge, and maintenance and replacement work cannot be completed rapidly.

Disclosure of Invention

The utility model aims to provide a wire passing wheel quick dismounting device and a multi-wire cutting machine, which can efficiently and quickly finish dismounting the guide wheel, and save manpower, so that the maintenance efficiency of the guide wheel is remarkably improved, and the multi-wire cutting machine can operate efficiently and stably.

Embodiments of the utility model may be implemented as follows:

in a first aspect, the present utility model provides a device for quick assembly disassembly of a wire passing wheel, comprising:

the guide wheel comprises a wheel disc and a connecting column, and the connecting column is arranged at the center of the wheel disc;

the wheel shaft is connected with the connecting column;

the wave bead mechanism is detachably connected with the wheel shaft; the ball wave mechanism comprises an elastic piece and a ball, wherein the elastic piece provides elastic force for enabling the ball to abut against the circumferential outer wall of the connecting column, so that the wheel shaft is locked with the connecting column.

The quick dismounting device for the wire passing wheel comprises a guide wheel, a wheel shaft and at least one wave bead mechanism. The guide wheel is fixedly connected with the wheel shaft through the bead wave mechanism, so that the guide wheel can be driven to synchronously rotate when the wheel shaft rotates. Further, the ball wave mechanism is connected to the wheel shaft, and the balls of the ball wave mechanism move towards the outer circumferential surface of the connecting column of the guide wheel under the action of the elastic force of the elastic piece so as to prop the balls against the outer circumference of the connecting column, so that the guide wheel and the wheel shaft are fastened and connected. Compared with the prior art, the axle and the guide wheel are directly fastened through the bolt tightening, so that time and labor are wasted, the ball body is pushed to move by the aid of the elastic force of the elastic piece through the ball wave mechanism, the axle and the guide wheel are smoothly locked and connected, the fixed bolt connection mode is skillfully converted into the ball wave supporting mode, and the guide wheel is quickly disassembled and assembled. In addition, the arrangement of the at least one wave bead mechanism ensures that the guide wheel is convenient to disassemble and assemble, and simultaneously, the wheel shaft and the guide wheel can be connected more tightly. Meanwhile, the wave bead mechanism is detachably connected with the wheel shaft, so that on one hand, the assembly and the installation of the wave bead mechanism are convenient, and on the other hand, the wave bead mechanism is convenient to maintain at any time so as to ensure the stable connection between the guide wheel and the wheel shaft. The connecting mode has the advantages of simple structure, convenient operation, time and labor saving, improvement based on the existing guide wheel structure, low manufacturing cost and outstanding economic benefit.

In an alternative embodiment, the bead mechanism includes a body having a receiving slot;

the elastic piece is arranged in the accommodating groove;

the ball is arranged in the accommodating groove through an elastic piece, and the elastic piece provides elastic force for enabling the ball to protrude out of the notch of the accommodating groove.

In an alternative embodiment, the accommodating groove comprises a first groove body and a second groove body, wherein the first groove body is used for accommodating the elastic piece, and the second groove body is used for accommodating the ball;

one end of the second groove body is connected with the first groove body, and the other end of the second groove body extends to the notch of the accommodating groove;

the caliber of the second groove body is larger than that of the first groove body.

In an alternative embodiment, the central axis of the first slot remains collinear with the central axis of the second slot.

In an alternative embodiment, the depth of the second groove is greater than or equal to the diameter of the ball.

In an alternative embodiment, the elastic member is a spring.

In an alternative embodiment, the wheel axle is connected to the connecting post by a fixing base;

the wave bead mechanism is in threaded connection with the fixing seat so as to be close to or far away from the connecting column.

In an alternative embodiment, a plurality of the bead mechanisms are uniformly arranged along the circumferential direction of the connecting column.

In an alternative embodiment, a limiting hole is formed in the connecting column, and the ball of the wave bead mechanism can be embedded into the limiting hole.

In a second aspect, the present utility model provides a multi-wire saw including a wire-saw quick assembly and disassembly device according to any one of the preceding embodiments.

The beneficial effects of the embodiment of the utility model include, for example:

the quick dismounting device for the wire passing wheel comprises a guide wheel, a wheel shaft and a wave bead mechanism. The guide pulley includes rim plate and spliced pole, and the shaft is connected with the spliced pole. The ball of the wave bead mechanism is propped against the outer peripheral surface of the connecting column of the guide wheel through the elastic force of the elastic piece to move so as to prop the ball against the outer periphery of the connecting column, thereby realizing the fastening fit of the guide wheel and the wheel shaft. Compared with the condition that the wheel shaft and the guide wheel are screwed up by bolts to cause time and labor waste in the disassembly and assembly of the guide wheel in the prior art, the wave bead mechanism in the scheme pushes the ball body to move so that the wheel shaft and the guide wheel are smoothly locked and connected, the fixed bolt connection is skillfully converted into the wave bead supporting mode, and the guide wheel is quickly disassembled and assembled. The connecting mode has the advantages of simple structure, convenient operation and realization of rapid maintenance, disassembly and assembly work.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a prior art idler construction;

FIG. 2 is a cross-sectional view of a quick assembly disassembly device for a line passing wheel according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a quick assembly disassembly device for a wire passing wheel according to an embodiment of the utility model;

FIG. 4 is a cross-sectional view of another view of the quick assembly and disassembly device for a wire passing wheel according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a bead mechanism of a quick assembly disassembly device for a wire passing wheel according to an embodiment of the present utility model.

Icon: 11-a guide wheel piece; 12-connecting shaft; 13-connecting holes; 14-bolts; 20-a wire passing wheel quick dismounting device; 21-wheel axle; 100-idler wheels; 110-a wheel disc; 120-connecting columns; 121-a limiting hole; 122-tangential transition grooves; 300-wave bead mechanism; 310-an elastic member; 320-balls; 330-body; 340-a receiving groove; 341-a first tank; 342-a second tank; 343-a step; 400-fixing seat; 410-mating the counterbore; 420-through holes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.

Referring to fig. 1, it can be seen that the conventional guide wheel 11 is connected to the connecting shaft 12 by a connecting flange. Specifically, the connection flange has a connection hole 13 extending in the axial direction, and the connection flange has a fastening hole whose outer side wall extends radially to the inner side wall of the connection hole 13. The end of the connecting shaft 12 has a fitting hole extending in the radial direction thereof. The connecting shaft 12 is penetrated in the connecting hole 13, and the bolt 14 sequentially penetrates the fastening hole and the matching hole to realize the connection of the guide wheel piece 11 and the connecting shaft 12. As can be seen from the figure, the number of the bolts 14, the fastening holes and the fitting holes is two, and the bolts 14, the fastening holes and the fitting holes are fitted in one-to-one correspondence.

Further, an internal thread is provided in the mating hole, and an external thread of the bolt 14 is connected with the internal thread of the mating hole. The groove buckle type screw fixation between the guide wheel piece 11 and the connecting shaft 12 is realized.

However, this connection makes it necessary to remove the bolts 14 by screwing and remove the old guide wheel 11, and fasten the new guide wheel 11 to the connection shaft 12 by the bolts 14 when the shaft of the guide wheel 11 is replaced. The guide wheel pieces 11 of the multi-wire cutting machine are numerous, for example, 25 guide wheels exist in the multi-wire cutting machine for high birds, and the guide wheel pieces 11 can not be quickly maintained and replaced due to the adoption of the connecting mode.

In order to improve the above technical problems, the following embodiments provide a wire reel quick assembly disassembly device and a multi-wire saw.

Fig. 2 is a schematic cross-sectional view of the fast assembly and disassembly device 20 of the present embodiment, fig. 3 is a schematic structural view of the fast assembly and disassembly device 20 of the reel (the fixing seat 400 is shown in fig. 3 in a transparent view), fig. 4 is a schematic cross-sectional view of the fast assembly and disassembly device 20 of the reel in another view, and fig. 5 is a schematic structural view of the bead mechanism 300.

Referring to fig. 2, the present embodiment provides a quick assembly disassembly device 20 for a wire passing wheel, which includes a guide wheel 100, a wheel shaft 21 and at least one bead mechanism 300.

The guide wheel 100 comprises a wheel disc 110 and a connecting column 120, wherein the connecting column 120 is arranged at the center of the wheel disc 110;

the wheel axle 21 is connected with the connecting column 120;

the wave bead mechanism 300 is detachably connected with the wheel shaft 21; the ball mechanism 300 includes an elastic member 310 and balls 320, the elastic member 310 providing an elastic force that urges the balls 320 against the circumferential outer wall of the connection post 120 so that the wheel shaft 21 is locked with the connection post 120.

The quick assembly disassembly device 20 for a wire passing wheel of the present embodiment includes a guide wheel 100, a wheel shaft 21 and at least one wave bead mechanism 300. The guide wheel 100 is fixedly connected with the wheel shaft 21 through the bead wave mechanism 300, so that the wheel shaft 21 can drive the guide wheel 100 to synchronously rotate when rotating. Further, the ball wave mechanism 300 is connected to the axle 21, and the balls 320 of the ball wave mechanism 300 move towards the outer periphery of the connecting post 120 of the guide wheel 100 under the elastic force of the elastic member 310, so as to support the balls 320 against the outer periphery of the connecting post 120, thereby realizing the fastening connection between the guide wheel 100 and the axle 21. Compared with the prior art, the fastening of the wheel shaft 21 and the guide wheel 100 is directly performed by tightening the bolt 14, which is time-consuming and labor-consuming, the ball mechanism 300 is pushed to move by the elastic force of the elastic member 310, so that the wheel shaft 21 and the guide wheel 100 are smoothly locked and connected, and the manner of connecting the fixing bolt 14 is skillfully converted into the manner of abutting the ball, thereby realizing the quick assembly and disassembly of the guide wheel 100.

In addition, the arrangement of the wave bead mechanism 300 ensures that the guide wheel 100 is convenient to disassemble and assemble, and simultaneously, the wheel shaft 21 and the guide wheel 100 can be connected more tightly. Meanwhile, the bead mechanism 300 is detachably connected with the wheel shaft 21, so that on one hand, the bead mechanism 300 is convenient to assemble and install, and on the other hand, the bead mechanism 300 is convenient to maintain at any time so as to ensure stable connection between the guide wheel 100 and the wheel shaft 21. The connecting mode has the advantages of simple structure, convenient operation, time and labor saving, improvement based on the existing guide wheel 100 structure, low manufacturing cost and outstanding economic benefit.

With continued reference to fig. 2-5, further structural details of the reel quick assembly and disassembly device 20 are illustrated.

As can be seen in fig. 2, the axle 21 is connected to the connecting post 120 by a fixing mount 400. Specifically, the fixing base 400 is cylindrical, the fixing base 400 has a mating counterbore 410 extending along an axial direction thereof, and the connection post 120 can extend into the mating counterbore 410.

Further, the bead mechanism 300 is detachably disposed on the fixing base 400. The fixing base 400 is provided with a through hole 420 extending along a radial direction thereof, and the through hole 420 penetrates from an outer side wall of the fixing base 400 to an inner side wall of the matching counter bore 410.

Alternatively, the elastic member 310 is a spring. The spring of this embodiment is a compression spring against which the balls 320 bear, the spring providing an elastic force to move the balls 320 toward the outer sidewall of the connection post 120.

Regarding the specific structure of the elastic member 310, those skilled in the art should be able to make reasonable selections and designs according to the actual needs, and there are no specific limitations thereon, and as an example, the elastic member 310 may be made of rubber, a disc spring, a metal spring sheet, etc. to be suitable for different practical situations, this is merely an example, as long as the elastic member 310 can provide an elastic force to make the balls 320 abut against the connection post 120, which is not particularly limited.

As can also be seen in fig. 3 and 4, the wire wheel quick assembly and disassembly device 20 of the present embodiment includes three bead wave mechanisms 300. The plurality of bead mechanisms 300 are uniformly arranged along the circumferential direction of the connection post 120. The circumferential direction of the connecting column 120 can obtain more uniform supporting force from the bead mechanism 300 in the circumferential direction, so that stable connection between the guide wheel 100 and the wheel shaft 21 is ensured.

Specifically, three circumferentially arranged through holes 420 are provided in the circumferential direction on the fixing base 400, and three wave bead mechanisms 300 are provided in the through holes 420.

Regarding the specific number of the wave bead mechanism 300, those skilled in the art should be able to make reasonable selections and designs according to the actual needs, and there is no specific limitation herein, and as an example, the wave bead mechanism 300 may be two, four, five, etc. to be suitable for different practical situations, here only as long as the wave bead mechanism 300 can provide an elastic force to make the balls 320 abut against the connection post 120, and there is no specific limitation herein.

It should be understood that in other embodiments of the present utility model, the plurality of bead units 300 may not be circumferentially distributed, which is only an example and not limited thereto.

As can also be seen in fig. 2, 4 and 5, the bead mechanism 300 includes a body 330, the body 330 having a receiving slot 340; the elastic member 310 is disposed in the receiving groove 340; the balls 320 are disposed in the receiving groove 340 by the elastic member 310, and the elastic member 310 provides an elastic force that causes the balls 320 to protrude out of the notch of the receiving groove 340.

As can also be seen, the bottom of the body 330 facing away from the receiving slot 340 has a countersunk slot for an operator to screw or unscrew the bead mechanism 300 from the through hole 420. Alternatively, the countersunk head groove can be a straight groove and an inner hexagon locking mode. The body 330 may be made of both stainless steel and carbon steel. The axial length of the body 330 is long, short, and standard to accommodate pressure and to secure the body 330. The springs are classified as lightly loaded. The balls 320 have a spherical shape, and the spherical material thereof provides high strength and durability to the hardened steel material with sufficient elasticity.

Because the wave bead mechanism 300 is detachably provided in the holder 400. Optionally, the bead mechanism 300 is screwed with the fixing base 400 to be close to or far from the connection post 120. Specifically, the outer sidewall of the body 330 is provided with external threads, the inner sidewall of the through hole 420 is provided with internal threads, and the body 330 is disposed in the through hole 420 through threaded engagement.

With continued reference to fig. 2 to 5, it can be seen that in the present embodiment of the present utility model, the connection post 120 is provided with a limiting hole 121, and the ball 320 of the ball mechanism 300 can be inserted into the limiting hole 121. The ball 320 is engaged with the limiting hole 121, so that the ball mechanism 300 and the connecting column 120 can be tightly connected, and the fastening of the guide wheel 100 and the wheel shaft 21 can be ensured. The number of the limiting holes 121 is the same as that of the wave bead mechanisms 300, and the limiting holes are in one-to-one correspondence.

Specifically, the aperture of the limiting hole 121 is gradually reduced in the radial direction of the connection post 120 to form a tapered hole. The arrangement mode of the conical holes can reduce the influence of the limit holes 121 on the structural stability of the connecting column 120, and can be easily separated from the limit holes 121 when the guide wheel 100 is detached.

Further, as can be seen from fig. 3 and 4, along the circumferential direction of the connecting post 120, one side of the limiting hole 121 is provided with a tangential transition groove 122, and the tangential transition groove 122 extends circumferentially from the opening of the limiting hole 121 to the outer side wall of the connecting post 120. The groove depth of the tangential transition groove 122 gradually decreases from the side close to the limiting hole 121 to the direction away from the limiting hole 121. The arrangement of the tangential transition groove 122 can facilitate the balls 320 to enter the limiting holes 121 along the tangential transition groove 122 or to be separated from the limiting holes 121, so that the ball mechanism 300 and the connecting column 120 can be conveniently disassembled and assembled, and the guide wheel 100 can be quickly disassembled and assembled.

As can be seen from the figure, tangential transition grooves 122 are provided at the openings of the three limiting holes 121. And along the circumferential direction of the connecting post 120, the three tangential transition grooves 122 all extend in the same direction. This facilitates rotation of the plurality of bead mechanisms 300 in the same direction to achieve locking or unlocking with the connection post 120.

With continued reference to fig. 5, it can be seen that the accommodating groove 340 includes a first groove 341 and a second groove 342, the first groove 341 is configured to accommodate the elastic member 310, and the second groove 342 is configured to accommodate the ball 320;

one end of the second groove body 342 is connected with the first groove body 341, and the other end extends to the notch of the accommodating groove 340;

the diameter of the second groove 342 is larger than that of the first groove 341.

The apertures of the first groove body 341 and the second groove body 342 are different, so that a step portion 343 is formed at the connection between the first groove body 341 and the second groove body 342, and the ball 320 can abut against the step portion 343 to avoid the limit of the ball 320 in the axial direction of the accommodating groove 340.

In this embodiment, the central axis of the first slot 341 and the central axis of the second slot 342 remain collinear. The first groove 341 and the second groove 342 which are arranged in a collinear manner can ensure stability in the expansion and contraction process of the ball 320, and further the guide wheel 100 and the wheel shaft 21 can be stably connected and quickly disassembled.

Optionally, the depth of the second groove 342 is greater than or equal to the diameter of the ball 320. This allows the ball 320 to remain in a tight snap fit with the limiting aperture 121.

When the guide wheel 100 is mounted on the wheel shaft 21, the fixing base 400 with the bead mechanism 300 can be moved to a preset position along the axial direction of the connecting column 120, and then the fixing base 400 is rotated circumferentially to move the balls 320 along the tangential transition groove 122 until the balls 320 are embedded into the limiting holes 121, so that the guide wheel 100 and the wheel shaft 21 are locked. Further, the fastening degree of the guide wheel 100 and the wheel shaft 21 can be adjusted by rotating the body 330 to move the bead mechanism 300 toward or away from the connecting post 120.

When the guide wheel 100 is detached from the wheel axle 21, the fixing base 400 is rotated along the preset circumferential direction, so that the balls 320 rotate along the tangential transition groove 122 to the outer wall of the connecting column 120 (i.e. separate from the limiting hole 121), and then the fixing base 400 is pulled out along the axial direction of the connecting column 120, thereby separating the guide wheel 100 from the wheel axle 21.

It was found through experimentation that the original disassembly required 5 minutes to disassemble a single guide wheel 100, with 5 minutes 25 guide wheels 100 taking 125 minutes. After being replaced by quick assembly disassembly, the single guide wheel 100 needs 1 minute to disassemble and assemble, and labor is saved by 100 minutes. The manpower is saved by 15000 minutes in a month.

On the other hand, in the conventional design, the broken wire crystal is scrapped due to the abnormality such as the non-locking of the screw and the like, which is about 5 a/year because the guide wheel 100 is not installed in place. The quick assembly disassembly device 20 of the present embodiment can avoid this phenomenon after the quick assembly disassembly is replaced.

In a second aspect, the present utility model provides a multi-wire saw including a wire-passing wheel quick assembly and disassembly device 20 according to any of the preceding embodiments. The wire passing wheel quick assembly disassembly device 20 skillfully converts the fixed bolt into a Cheng Bozhu screw to realize quick assembly disassembly of the guide wheel 100, so that the maintenance efficiency of the multi-wire cutting machine is improved, and the cutting effect and the machining efficiency of the multi-wire cutting machine can be ensured.

In summary, the embodiment of the utility model provides a wire passing wheel quick assembly disassembly device 20 and a multi-wire cutting machine, which have at least the following advantages:

in this embodiment, the ball mechanism 300 pushes the ball to move by means of the elastic force of the elastic member 310, so that the opposite wheel shaft 21 and the guide wheel 100 are smoothly locked and connected, and thus, the manner of skillfully converting the fixing bolt connection manner into the manner of abutting against the ball is realized, and the guide wheel 100 is quickly disassembled and assembled.

In addition, the arrangement of the wave bead mechanism 300 ensures that the guide wheel 100 is convenient to disassemble and assemble, and simultaneously, the wheel shaft 21 and the guide wheel 100 can be connected more tightly.

The wave bead mechanism 300 is detachably connected with the wheel shaft 21, so that on one hand, the assembly and the installation of the wave bead mechanism 300 are facilitated, and on the other hand, the wave bead mechanism 300 is also convenient to maintain at any time so as to ensure the stable connection between the guide wheel 100 and the wheel shaft 21.

The present utility model is not limited to the above embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. Quick assembly disassembly device of wire wheel, its characterized in that includes:

the guide wheel (100), wherein the guide wheel (100) comprises a wheel disc (110) and a connecting column (120), and the connecting column (120) is arranged at the center of the wheel disc (110);

-an axle (21), said axle (21) being connected to said connection post (120);

at least one wave bead mechanism (300), wherein the wave bead mechanism (300) is detachably connected with the wheel shaft (21); the wave bead mechanism (300) comprises an elastic member (310) and a ball (320), wherein the elastic member (310) provides an elastic force for enabling the ball (320) to abut against the circumferential outer wall of the connecting column (120) so as to enable the wheel shaft (21) to be locked with the connecting column (120).

2. The quick assembly disassembly device for a wire passing wheel according to claim 1, wherein:

the wave bead mechanism (300) comprises a body (330), wherein the body (330) is provided with a containing groove (340);

the elastic piece (310) is arranged in the accommodating groove (340);

the balls (320) are disposed in the receiving groove (340) by an elastic member (310), and the elastic member (310) provides an elastic force that causes the balls (320) to protrude out of the notch of the receiving groove (340).

3. The quick assembly disassembly device for a wire passing wheel according to claim 2, wherein:

the accommodating groove (340) comprises a first groove body (341) and a second groove body (342), the first groove body (341) is used for accommodating the elastic piece (310), and the second groove body (342) is used for accommodating the ball (320);

one end of the second groove body (342) is connected with the first groove body (341), and the other end extends to the notch of the containing groove (340);

the caliber of the second groove body (342) is larger than that of the first groove body (341).

4. A fast wire wheel dismounting device as claimed in claim 3, wherein:

the central axis of the first groove body (341) and the central axis of the second groove body (342) are kept collinear.

5. A fast wire wheel dismounting device as claimed in claim 3, wherein:

the depth of the second groove body (342) is greater than or equal to the diameter of the ball (320).

6. The quick assembly disassembly device for a wire passing wheel according to claim 1, wherein:

the elastic member (310) is a spring.

7. The quick assembly disassembly device for a wire passing wheel according to claim 1, wherein:

the wheel axle (21) is connected with the connecting column (120) through a fixing seat (400);

the bead mechanism (300) is in threaded connection with the fixing seat (400) so as to be close to or far away from the connecting column (120).

8. The quick assembly disassembly device for a wire passing wheel according to claim 1, wherein:

the plurality of bead mechanisms (300) are uniformly arranged along the circumferential direction of the connecting column (120).

9. The quick assembly disassembly device for a wire passing wheel according to claim 1, wherein:

the connecting column (120) is provided with a limiting hole (121), and the ball (320) of the ball wave mechanism (300) can be embedded into the limiting hole (121).

10. A multi-wire saw, characterized in that:

the multi-wire cutting machine comprises the wire passing wheel quick dismounting device of any one of claims 1-9.

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