CN212407358U

CN212407358U - Shaft coupling of setting machine

Info

Publication number: CN212407358U
Application number: CN202020631484.0U
Authority: CN
Inventors: 高安根; 夏俊峰; 黄炎银
Original assignee: Zhejiang Jiananda Textile Technology Co ltd
Current assignee: Zhejiang Jiananda Textile Technology Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-01-26
Anticipated expiration: 2030-04-23

Abstract

The utility model relates to a technical field of forming machine discloses a forming machine shaft coupling, and it includes two coupling bodies that the structure is the same, two the coupling body is kept away from terminal surface each other and all is equipped with the fixed slot, and the tip of two adjacent transmission shafts is connected respectively in the fixed slot of two coupling bodies, can dismantle through the multiunit fastener respectively on the circumference lateral wall of two coupling bodies and be connected with drive sprocket, two drive sprocket is through linking as an organic wholely rather than the drive chain of meshing. The utility model discloses have the effect that torsion that can bear is big, long service life.

Description

Shaft coupling of setting machine

Technical Field

The utility model belongs to the technical field of the technique of forming machine and specifically relates to a forming machine shaft coupling is related to.

Background

The setting machine is a machine for industrial manufacturing and setting, and can be divided into a vamp setting machine, a sock setting machine, a fabric setting machine and the like according to types. The traditional setting machine usually includes a width adjusting mechanism, which includes two limit rods separately arranged on two sides of the cloth to be processed and a driving component for driving the two limit rods to move horizontally, wherein the driving component includes a rotating shaft located at the bottom of the setting machine. Because the length of the cloth after being unfolded is longer, the rotating shaft is usually split into a plurality of sections of transmission shafts during actual assembly, and two adjacent transmission shafts are connected through a coupler so as to realize synchronous rotation of the transmission shafts.

In the prior art, chinese patent publication No. CN104235207A discloses a coupling, which includes a first half coupling and a second half coupling, and the first half coupling and the second half coupling have the same structure; the first half-coupling comprises a coupling body, a positioning hole penetrating through the whole coupling body is formed in the center of the coupling body, at least two protruding parts are arranged at one end of the coupling body, a groove is formed between every two adjacent protruding parts, the protruding parts and the grooves of the first half-coupling are matched with the grooves and the protruding parts of the second half-coupling respectively, and fixing holes for fixing the transmission shaft are formed in the side wall of the coupling body.

The above prior art solutions have the following drawbacks: first half-coupling and second half-coupling only cooperate with the transmission moment of torsion through recess and bellying mutually to realize the synchronous rotation of two transmission shafts, first half-coupling and second half-coupling's area of contact is little, and the torsion that two shaft coupling bodies can bear when the transmission shaft rotates is little, leads to the bellying on the shaft coupling body to easily take place brittle fracture, and the life of this shaft coupling is short, has to treat the improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a forming machine shaft coupling, it has the effect that torsion that can bear is big, long service life to the not enough of prior art existence.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a forming machine shaft coupling, includes two shaft coupling bodies that the structure is the same, two the shaft coupling body is kept away from each other's terminal surface and all is equipped with the fixed slot, and the tip of two adjacent transmission shafts is connected respectively in the fixed slot of two shaft coupling bodies, can dismantle through the multiunit fastener respectively on the circumference lateral wall of two shaft coupling bodies and be connected with driving sprocket, two driving sprocket is through linking as an organic wholely rather than the drive chain of meshing.

Through adopting above-mentioned technical scheme, when one of them transmission shaft rotated, the shaft coupling body that links to each other with this transmission shaft can drive the drive sprocket who links to each other rather than rotating, and then made another drive sprocket of drive chain drive synchronous rotation to realize the synchronous rotation of another shaft coupling body and transmission shaft. Compared with the mode that the convex block and the groove are matched in the prior art, the meshing of the transmission chain and the transmission chain wheel has larger contact area and uniform stress distribution, can bear large torsion, can not cause the matching part to break due to overlarge local stress, and has long service life of the coupler. The transmission chain wheel and the coupling body are detachably connected through the fastening piece, the transmission chain wheel and the coupling body can be independently disassembled and replaced after being abraded, the whole coupling does not need to be scrapped, and the replacement cost is low. When the coupler is applied to the setting machine, two adjacent transmission shafts are more stable when rotating synchronously, the effect of spreading and setting cloth is good, and the flatness of processed cloth is improved.

The utility model discloses further set up to: the transmission chain comprises a first chain and a second chain which are connected through a plurality of pin shafts, and the first chain and the second chain are respectively meshed with the transmission chain wheels on the two coupling bodies.

By adopting the technical scheme, the transmission chain is a double-row chain and is formed by assembling the first chain and the second chain, on one hand, when the transmission chain is partially damaged, people can take out the pin shaft by a tool to split the first chain and the second chain, so that partial disassembly and replacement of the transmission chain are realized; on the other hand, the transmission chain can be detached, so that people can conveniently replace the damaged transmission chain wheel.

The utility model discloses further set up to: the transmission chain wheel comprises a mounting ring and a plurality of transmission teeth which are integrally formed on the circumferential side wall of the mounting ring, fastening holes equal to the number of fastening pieces are formed in the mounting ring, the fastening pieces comprise fastening bolts which are respectively arranged in the fastening holes in a penetrating mode, fastening screw holes equal to the number of the fastening bolts are formed in the side wall of the coupling body, and the fastening screw holes are respectively in threaded fit with the fastening bolts.

By adopting the technical scheme, when the transmission chain wheel is installed, the installation ring is sleeved on the coupling body, so that each fastening hole is aligned with each fastening screw hole respectively, and then the fastening bolt penetrates through the fastening hole and is in threaded connection with the fastening screw hole, so that the transmission chain wheel is fixed, and the connection strength is high. Each fastening screw hole is circumferentially distributed, the borne torsion force is dispersed, and the fastening bolt is not easy to break when the coupling body drives the transmission chain wheel connected with the coupling body to rotate.

The utility model discloses further set up to: the outer wall of the mounting ring is provided with concentrical yielding grooves with the same number as the fastening holes, and the heads of the fastening bolts are located in the yielding grooves.

Through adopting above-mentioned technical scheme, the groove of stepping down can supply fastening bolt's head to stretch into for fastening bolt's head can not expose and be worn and torn.

The utility model discloses further set up to: the circumferential side walls of the two coupling bodies are provided with annular grooves at one ends close to each other, the diameter of the bottom wall of each annular groove is smaller than the inner diameter of the mounting ring, and the width of each annular groove is equal to that of the mounting ring.

Through adopting above-mentioned technical scheme, when connecting drive sprocket and shaft coupling body, stretch into the ring channel with the collar extension earlier, because the width of ring channel equals with the width of collar extension, when the inner wall butt of another shaft coupling body was kept away from to collar extension and ring channel, fastening hole and fastening screw align in the horizontal direction, have improved the installation effectiveness of ann drive sprocket.

The utility model discloses further set up to: the bottom wall of the annular groove is provided with at least one positioning groove, a positioning spring is fixed on the inner wall of the positioning groove, which is far away from the opening of the positioning groove, a positioning block is fixed at the other end of the positioning spring, and a through hole for the positioning block to extend into is formed in the mounting ring; when the positioning block extends into the through hole, each fastening hole is aligned with the fastening screw hole respectively.

By adopting the technical scheme, before the mounting ring is moved into the annular groove, the positioning block is firstly pressed to compress the positioning spring and retract the positioning spring into the positioning groove, and meanwhile, the mounting ring is moved towards the annular groove; after the positioning block is loosened, the positioning block is limited by the mounting ring to continue to compress the positioning spring; after the positioning block is moved to be aligned with the through hole, the positioning block can extend into the through hole under the action of the positioning spring, so that the mounting ring is limited to continue rotating, the alignment of the fastening hole and the fastening screw hole is facilitated, and people can conveniently screw the fastening bolt.

The utility model discloses further set up to: and an inclined plane is arranged at the joint of the end surface of the positioning block far away from the positioning spring and the end surface of the other coupling body close to the positioning spring.

Through adopting above-mentioned technical scheme, the inclined plane contacts with the collar and plays the effect of direction earlier when the collar stretches into the ring channel for people need not to press the locating piece simultaneously when removing the collar, and is easy and simple to handle, has further improved the installation effectiveness.

The utility model discloses further set up to: the end surfaces close to the two coupling bodies are provided with guide grooves communicated with the annular grooves, and the inner wall of the mounting ring is fixed with a guide block which is connected in the guide grooves in a sliding manner.

Through adopting above-mentioned technical scheme, the guide block can restrict the relative coupling body rotation of collar with the guide way cooperation, helps locating piece and through hole to align.

The utility model discloses further set up to: the inner wall of the fixed groove is provided with a sliding groove with the same extending direction as the fixed groove, the inner wall of the sliding groove, which is far away from the fixed groove, is provided with a mounting hole, and a mounting bolt penetrates through the mounting hole; the tip of transmission shaft is equipped with the sliding block of sliding connection in the sliding tray, the terminal surface that the transmission shaft was kept away from to the sliding block is equipped with the installation screw with construction bolt screw-thread fit.

Through adopting above-mentioned technical scheme, when connecting transmission shaft and shaft coupling body, stretch into the fixed slot with the tip of transmission shaft, the sliding block stretches into the sliding tray, pass mounting bolt behind the mounting hole with installation screw threaded connection again to restriction transmission shaft and shaft coupling body rotate relatively. The sliding block and the sliding groove are matched to play a role in guiding, the mounting hole and the mounting screw hole are aligned, the contact area of the transmission shaft and the coupling body is increased, and the torsion borne by the mounting bolt is shared, so that the mounting bolt is not easy to break.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the coupling bodies connected with two adjacent transmission shafts realize synchronous rotation through the transmission chain wheels and the transmission chains, the contact area and the bearable torsion are large, the breakage is not easy, the service life of the coupling is long, and the flatness of cloth processed by the setting machine with the coupling is high;

2. the transmission chain wheel is connected with the coupling body through the fastening bolt, so that people can conveniently detach and replace the worn transmission chain wheel, and the replacement cost is reduced; the head of the fastening bolt can extend into the abdicating groove, so that the head of the fastening bolt is prevented from being worn;

3. the positioning block and the through hole are matched to play a role in initially positioning the mounting ring, so that the alignment of the fastening hole and the fastening screw hole is facilitated, and people can conveniently screw the fastening bolt; the guide block and the guide groove are matched to have the effect of facilitating alignment of the positioning block and the through hole.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic view of a partial explosion of the present embodiment;

fig. 3 is a schematic structural view of the drive sprocket in this embodiment.

Reference numerals: 1. a coupling body; 11. fixing grooves; 12. a sliding groove; 121. mounting holes; 122. installing a bolt; 13. an annular groove; 131. fastening screw holes; 132. positioning a groove; 133. a positioning spring; 134. positioning blocks; 135. a bevel; 14. a guide groove; 2. a drive shaft; 21. a slider; 22. mounting a screw hole; 3. a drive sprocket; 31. a mounting ring; 311. a fastening hole; 312. a yielding groove; 313. a guide block; 314. a through hole; 32. a transmission gear; 4. a drive chain; 41. a first chain; 42. a second chain; 43. a pin shaft; 5. and fastening the bolt.

Detailed Description

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

The embodiment discloses a shaft coupling of a setting machine, as shown in fig. 1 and fig. 2, the shaft coupling comprises two shaft couplings 1 with the same structure, wherein the two shaft couplings 1 are symmetrically distributed and have collinear central axes. Two shaft coupling bodies 1 keep away from each other's terminal surface and all are equipped with fixed slot 11, and the tip of two adjacent transmission shafts 2 is connected respectively in two fixed slots 11 in the forming machine, and two shaft coupling bodies 1 are close to each other's one end and are connected with a drive sprocket 3 respectively, and drive sprocket 3 can be dismantled through the multiunit fastener with shaft coupling body 1 and be connected, and two drive sprocket 3 are linked together at the drive chain 4 in its outside through the meshing. When one of the transmission shafts 2 rotates, the coupling body 1 connected with the transmission shaft 2 can drive the transmission chain wheel 3 connected with the coupling body to rotate, and then the transmission chain 4 drives the other coupling body 1, the transmission chain wheel 3 and the transmission shaft 2 to rotate.

As shown in fig. 1 and 2, two sliding grooves 12 are respectively disposed on end surfaces of the two coupling bodies 1 far away from each other, the sliding grooves 12 are disposed on inner walls of the fixing grooves 11, extending directions of the sliding grooves 12 are the same as the extending directions of the fixing grooves 11, a mounting hole 121 is disposed on the inner wall of each sliding groove 12 far away from the fixing groove 11, and a mounting bolt 122 is inserted into the mounting hole 121. Two sliding blocks 21 are integrally formed on the circumferential side wall of the transmission shaft 2, the sliding blocks 21 are located at one end, close to the coupling body 1, of the transmission shaft 2, the two sliding blocks 21 are respectively connected in the two sliding grooves 12 in a sliding mode, and the end face, far away from the transmission shaft 2, of each sliding block 21 is provided with an installation screw hole 22 in threaded fit with the installation bolt 122. When connecting transmission shaft 2 and shaft coupling body 1, stretch into sliding block 21 sliding tray 12 and make mounting hole 121 and installation screw 22 align, then pass behind mounting hole 121 with installation screw 22 threaded connection with mounting bolt 122, convenient operation, joint strength height.

As shown in fig. 1, the transmission chain 4 is a double-row chain, which includes a first chain 41 and a second chain 42 connected by a plurality of pins 43, and the first chain 41 and the second chain 42 are respectively engaged with the transmission sprockets 3 connected to the two shaft coupling bodies 1. When the transmission chain 4 is partially worn, one can use a special tool to remove the pin 43, so as to detach the first chain 41 and the second chain 42 and detach the links of the first chain 41 and the second chain 42, so as to partially replace the transmission chain 4.

As shown in fig. 2 and 3, the driving sprocket 3 includes a mounting ring 31 and a plurality of driving teeth 32 integrally formed on a circumferential side wall of the mounting ring 31, and the driving teeth 32 are adapted to mesh with the driving chain 4. The circumferential side walls of the two coupling bodies 1 are provided with annular grooves 13 at one ends close to each other, the diameter of the bottom wall of each annular groove 13 is slightly smaller than the inner diameter of the mounting ring 31, and the width of each annular groove 13 is equal to the width of the mounting ring 31. The circumferential side wall of the mounting ring 31 is provided with fastening holes 311 with the same number as the fastening pieces, the fastening pieces comprise fastening bolts 5 respectively penetrating in the fastening holes 311, the bottom wall of the annular groove 13 is provided with fastening screw holes 131 with the same number as the fastening bolts 5, and the fastening screw holes 131 are respectively in threaded fit with the fastening bolts 5. Drive sprocket 3 is connected through a plurality of fastening bolt 5 with the shaft coupling body 1, and joint strength between them is high and can demolish it and change after drive sprocket 3's driving tooth 32 wearing and tearing, has reduced the replacement cost.

As shown in fig. 2 and 3, the outer wall of the mounting ring 31 is provided with the same number of relief grooves 312 as the fastening holes 311, each relief groove 312 is concentric with each fastening hole 311, the fastening bolt 5 can be an inner hexagon bolt, and the head of the fastening bolt 5 is located in the relief groove 312, so as to prevent the head of the fastening bolt 5 from being worn.

As shown in fig. 2 and 3, a positioning groove 132 is disposed on the bottom wall of the annular groove 13, a positioning spring 133 is fixed on the inner wall of the positioning groove 132 away from the opening, a positioning block 134 is fixed at the other end of the positioning spring 133, and an inclined surface 135 is disposed at the joint between the end surface of the positioning block 134 away from the positioning spring 133 and the end surface close to the other coupling body 1. The inner wall of the mounting ring 31 is provided with a through hole 314, the through hole 314 is used for the positioning block 134 to extend into, and each fastening hole 311 is aligned with each fastening screw hole 131 when the positioning block 134 extends into the through hole 314. When the transmission chain wheel 3 is installed, the positioning block 134 and the through hole 314 are matched to play a role in preliminarily positioning the installation ring 31, so that the alignment of the fastening hole 311 and the fastening screw hole 131 is facilitated, and the effect of facilitating people to screw the fastening bolt 5 is achieved.

As shown in fig. 2 and 3, the two coupling bodies 1 are provided with guide grooves 14 on their adjacent end surfaces, which are communicated with the annular groove 13, and guide blocks 313 are fixed on the inner wall of the mounting ring 31, and the guide blocks 313 can slide along the guide grooves 14. When the mounting ring 31 extends into the annular groove 13, the guide block 313 and the guide groove 14 cooperate to perform a guiding function, which facilitates the alignment of the positioning block 134 and the through hole 314.

The implementation principle of the embodiment is as follows: two adjacent transmission shafts 2 are connected respectively in the fixed slot 11 of two shaft coupling bodies 1, and when one of them transmission shaft 2 rotated, the shaft coupling body 1 of being connected with this transmission shaft 2 can drive the drive sprocket 3 who is connected rather than rotate, and then makes another drive sprocket 3 of drive chain 4 drive, shaft coupling body 1 and transmission shaft 2 synchronous rotation. The connecting area of the transmission chain wheel 3 and the transmission chain 4 is large in a matched transmission mode, the borne stress is relatively dispersed, the borne torsion is large, the connecting parts of the two shaft coupling bodies 1 are not easy to be broken due to overlarge local stress, the service life is long, and the setting machine with the shaft coupling is stable in cloth transmission and high in flatness when in work.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a forming machine shaft coupling, includes two shaft coupling bodies (1) that the structure is the same, two shaft coupling body (1) is kept away from terminal surface each other and all is equipped with fixed slot (11), and the tip of two adjacent transmission shafts (2) is connected respectively in fixed slot (11) of two shaft coupling bodies (1), its characterized in that: the circumference lateral wall of two shaft couplings (1) is gone up and is dismantled through the multiunit fastener respectively and be connected with drive sprocket (3), two drive sprocket (3) are through linking as an organic whole rather than engaged with drive chain (4).

2. The setting machine coupling of claim 1, wherein: the transmission chain (4) comprises a first chain (41) and a second chain (42) which are connected through a plurality of pin shafts (43), and the first chain (41) and the second chain (42) are respectively meshed with the transmission chain wheels (3) on the two coupling bodies (1).

3. The setting machine coupling of claim 1, wherein: the transmission chain wheel (3) comprises a mounting ring (31) and a plurality of transmission teeth (32) which are integrally formed on the circumferential side wall of the mounting ring (31), fastening holes (311) with the same number as the fastening pieces are formed in the mounting ring (31), the fastening pieces comprise fastening bolts (5) which are respectively arranged in the fastening holes (311), fastening screw holes (131) with the same number as the fastening bolts (5) are formed in the side wall of the coupling body (1), and the fastening screw holes (131) are respectively in threaded fit with the fastening bolts (5).

4. The setting machine coupling of claim 3, wherein: the outer wall of the mounting ring (31) is provided with concentrical yielding grooves (312) which are equal to the fastening holes (311) in number, and the heads of the fastening bolts (5) are located in the yielding grooves (312).

5. The setting machine coupling of claim 3, wherein: the one end that the circumference lateral wall of two shaft couplings (1) is close to each other all is equipped with ring channel (13), the diapire diameter of ring channel (13) is less than the internal diameter of collar (31), the width of ring channel (13) equals the width of collar (31).

6. The setting machine coupling of claim 5, wherein: the bottom wall of the annular groove (13) is provided with at least one positioning groove (132), the inner wall of the positioning groove (132) far away from the opening of the positioning groove is fixedly provided with a positioning spring (133), the other end of the positioning spring (133) is fixedly provided with a positioning block (134), and the mounting ring (31) is provided with a through hole (314) for the positioning block (134) to extend into; when the positioning block (134) extends into the through hole (314), the fastening holes (311) are respectively aligned with the fastening screw holes (131).

7. The setting machine coupling of claim 6, wherein: and an inclined plane (135) is arranged at the joint of the end surface of the positioning block (134) far away from the positioning spring (133) and the end surface of the other coupling body (1).

8. The setting machine coupling of claim 6, wherein: the end surfaces of the two coupling bodies (1) close to each other are provided with guide grooves (14) communicated with the annular grooves (13), and guide blocks (313) which are connected into the guide grooves (14) in a sliding mode are fixed on the inner wall of the mounting ring (31).

9. The setting machine coupling of claim 1, wherein: a sliding groove (12) with the same extending direction as the fixing groove (11) is formed in the inner wall of the fixing groove (11), an installation hole (121) is formed in the inner wall, far away from the fixing groove (11), of the sliding groove (12), and an installation bolt (122) penetrates through the installation hole (121); the tip of transmission shaft (2) is equipped with sliding block (21) of sliding connection in sliding tray (12), the terminal surface that transmission shaft (2) were kept away from in sliding block (21) is equipped with installation screw (22) with mounting bolt (122) screw-thread fit.